$NOVA
Sunnova Energy International Inc. Stock $nova

$nova Overview Financials Valuation SEC Filings Company Website

2021 Form 10-K Financial Statement

#000177269522000011 Filed on February 24, 2022

Income Statement

Concept	2021	2020 Q4	2020
Revenue	$241.8M	$38.02M	$160.8M
YoY Change	50.32%	13.12%	22.24%
Cost Of Revenue	$98.31M	$17.74M	$65.20M
YoY Change	50.78%	29.68%	37.55%
Gross Profit	$143.4M	$20.28M	$95.60M
YoY Change	50.05%	1.71%	13.67%
Gross Profit Margin	59.34%	53.33%	59.45%
Selling, General & Admin	$220.1M	$38.27M	$131.5M
YoY Change	67.39%	31.42%	23.36%
% of Gross Profit	153.45%	188.71%	137.55%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$85.60M	$18.26M	$66.07M
YoY Change	29.57%	27.25%	33.9%
% of Gross Profit	59.67%	90.04%	69.11%
Operating Expenses	$194.6M	$38.26M	$131.4M
YoY Change	48.12%	31.52%	23.38%
Operating Profit	-$54.89M	-$17.98M	-$35.78M
YoY Change	53.42%	96.37%	60.66%
Interest Expense	-$82.02M	-$20.33M	-$130.8M
YoY Change	-37.29%	346.81%	31.33%
% of Operating Profit
Other Income/Expense, Net	-$516.0K	$1.580M	$1.752M
YoY Change	-129.45%	-3260.0%	-299.09%
Pretax Income	-$147.3M	-$128.8M	-$307.6M
YoY Change	-52.13%	835.97%	130.58%
Income Tax	$260.0K	$10.00K	$181.0K
% Of Pretax Income
Net Earnings	-$138.1M	-$128.8M	-$252.3M
YoY Change	-45.25%	835.85%	74.77%
Net Earnings / Revenue	-57.14%	-338.71%	-156.87%
Basic Earnings Per Share	-$1.25		-$2.87
Diluted Earnings Per Share	-$1.25	-$959.3K	-$2.87
COMMON SHARES
Basic Shares Outstanding	110.9M shares	93.59M shares	87.87M shares
Diluted Shares Outstanding	110.9M shares		87.87M shares

Balance Sheet

Concept	2021	2020 Q4	2020
SHORT-TERM ASSETS
Cash & Short-Term Investments	$243.1M	$209.9M	$209.9M
YoY Change	15.82%	151.38%	151.38%
Cash & Equivalents	$243.1M	$377.9M	$209.9M
Short-Term Investments
Other Short-Term Assets	$105.5M	$215.2M	$87.70M
YoY Change	20.3%	23.65%	-24.07%
Inventory	$128.0M	$102.6M	$102.6M
Prepaid Expenses
Receivables	$81.45M	$10.24M	$35.10M
Other Receivables	$57.74M	$21.38M	$21.40M
Total Short-Term Assets	$615.7M	$456.7M	$456.7M
YoY Change	34.82%	66.47%	66.5%
LONG-TERM ASSETS
Property, Plant & Equipment	$2.928B	$2.323B	$2.332B
YoY Change	25.55%	33.13%	32.92%
Goodwill		$0.00
YoY Change
Intangibles		$49.00K
YoY Change
Long-Term Investments
YoY Change
Other Assets	$552.5M	$294.3M	$285.2M
YoY Change	93.71%	73.43%	78.25%
Total Long-Term Assets	$4.888B	$3.131B	$3.131B
YoY Change	56.14%	41.5%	41.49%
TOTAL ASSETS
Total Short-Term Assets	$615.7M	$456.7M	$456.7M
Total Long-Term Assets	$4.888B	$3.131B	$3.131B
Total Assets	$5.504B	$3.588B	$3.588B
YoY Change	53.42%	44.25%	44.25%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$55.03M	$39.91M	$39.90M
YoY Change	37.93%	10.27%	10.22%
Accrued Expenses	$82.91M	$34.05M	$35.10M
YoY Change	136.21%	-13.9%	-12.47%
Deferred Revenue		$3.754M
YoY Change		79.96%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$130.5M	$110.9M	$111.0M
YoY Change	17.53%	13.77%	8.29%
Total Short-Term Liabilities	$310.9M	$210.9M	$210.9M
YoY Change	47.41%	8.13%	8.15%
LONG-TERM LIABILITIES
Long-Term Debt	$3.137B	$1.925B	$1.925B
YoY Change	62.95%	42.95%	42.97%
Other Long-Term Liabilities	$435.0M	$171.2M	$171.2M
YoY Change	154.1%	34.38%	34.38%
Total Long-Term Liabilities	$3.572B	$1.925B	$2.096B
YoY Change	70.4%	42.95%	42.22%
TOTAL LIABILITIES
Total Short-Term Liabilities	$310.9M	$210.9M	$210.9M
Total Long-Term Liabilities	$3.572B	$1.925B	$2.096B
Total Liabilities	$4.315B	$2.307B	$2.636B
YoY Change	63.69%	38.23%	43.17%
SHAREHOLDERS EQUITY
Retained Earnings		-$531.0M
YoY Change		46.76%
Common Stock		$1.483B
YoY Change		47.13%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.189B	$951.7M	$951.7M
YoY Change
Total Liabilities & Shareholders Equity	$5.504B	$3.588B	$3.588B
YoY Change	53.42%	44.25%	44.25%

Cashflow Statement

Concept	2021	2020 Q4	2020
OPERATING ACTIVITIES
Net Income	-$138.1M	-$128.8M	-$252.3M
YoY Change	-45.25%	835.85%	74.77%
Depreciation, Depletion And Amortization	$85.60M	$18.26M	$66.07M
YoY Change	29.57%	27.25%	33.9%
Cash From Operating Activities	-$209.2M	-$29.67M	-$131.5M
YoY Change	59.15%	-69.0%	-22.79%
INVESTING ACTIVITIES
Capital Expenditures	$554.5M	-$138.5M	$578.4M
YoY Change	-4.12%	5.23%	34.25%
Acquisitions
YoY Change
Other Investing Activities	-$3.867M	-$96.73M	$2.032M
YoY Change	-290.31%	105.85%	338.88%
Cash From Investing Activities	-$1.241B	-$235.2M	-$829.5M
YoY Change	49.63%	31.7%	45.96%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$10.51M		$152.3M
YoY Change	-93.1%		-7.4%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	$1.464B	431.1M	$1.189B
YoY Change	23.21%	36.71%	48.24%
NET CHANGE
Cash From Operating Activities	-$209.2M	-29.67M	-$131.5M
Cash From Investing Activities	-$1.241B	-235.2M	-$829.5M
Cash From Financing Activities	$1.464B	431.1M	$1.189B
Net Change In Cash	$14.00M	166.2M	$227.6M
YoY Change	-93.85%	305.19%	259.87%
FREE CASH FLOW
Cash From Operating Activities	-$209.2M	-$29.67M	-$131.5M
Capital Expenditures	$554.5M	-$138.5M	$578.4M
Free Cash Flow	-$763.8M	$108.8M	-$709.8M
YoY Change	7.6%	203.18%	18.09%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2021	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
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CY2021	dei	Document Type DocumentType	10-K
CY2021	dei	Document Annual Report DocumentAnnualReport	true
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2021	dei	Document Transition Report DocumentTransitionReport	false
CY2021	dei	Entity File Number EntityFileNumber	001-38995
CY2021	dei	Entity Registrant Name EntityRegistrantName	Sunnova Energy International Inc.
CY2021	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2021	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	30-1192746
CY2021	dei	Entity Address Address Line1 EntityAddressAddressLine1	20 East Greenway Plaza, Suite 540
CY2021	dei	Entity Address City Or Town EntityAddressCityOrTown	Houston
CY2021	dei	Entity Address State Or Province EntityAddressStateOrProvince	TX
CY2021	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	77046
CY2021	dei	City Area Code CityAreaCode	281
CY2021	dei	Local Phone Number LocalPhoneNumber	892-1588
CY2021	dei	Security12b Title Security12bTitle	Common Stock, $0.0001 par value per share
CY2021	dei	Trading Symbol TradingSymbol	NOVA
CY2021	dei	Security Exchange Name SecurityExchangeName	NYSE
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CY2019	us-gaap	Profit Loss ProfitLoss	-133434000	USD
CY2021	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-9382000	USD
CY2020	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-55534000	USD
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	10917000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-138128000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-252284000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-144351000	USD
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-138128000	USD
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-138128000	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-252284000	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-252284000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-169076000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-169076000	USD
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.25
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.25
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.87
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.87
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-4.14
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-4.14
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	110881630	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	110881630	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	87871457	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	87871457	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	40797976	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40797976	shares
CY2021	us-gaap	Profit Loss ProfitLoss	-147510000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	-307818000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	-133434000	USD
CY2021	us-gaap	Depreciation Depreciation	85600000	USD
CY2020	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	-5824000	USD
CY2019	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	-1772000	USD
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	21354000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	29000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	21000	USD
CY2021	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	14050000	USD
CY2020	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	9031000	USD
CY2019	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	9822000	USD
CY2021	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	9949000	USD
CY2020	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	15685000	USD
CY2019	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	3018000	USD
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	17236000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	10873000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	9235000	USD
CY2021	nova	Paid In Kind Interest Affiliates PaidInKindInterestAffiliates	0	USD
CY2020	nova	Paid In Kind Interest Affiliates PaidInKindInterestAffiliates	0	USD
CY2019	nova	Paid In Kind Interest Affiliates PaidInKindInterestAffiliates	2716000	USD
CY2021	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	4874000	USD
CY2020	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	13768000	USD
CY2019	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-19237000	USD
CY2021	us-gaap	Unrealized Gain Loss On Hybrid Instrument Net UnrealizedGainLossOnHybridInstrumentNet	21988000	USD
CY2020	us-gaap	Unrealized Gain Loss On Hybrid Instrument Net UnrealizedGainLossOnHybridInstrumentNet	907000	USD
CY2019	us-gaap	Unrealized Gain Loss On Hybrid Instrument Net UnrealizedGainLossOnHybridInstrumentNet	-150000	USD
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-9824000	USD
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-142772000	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2021	nova	Gain Loss On Extinguishment Of Debt Related Party GainLossOnExtinguishmentOfDebtRelatedParty	0	USD
CY2020	nova	Gain Loss On Extinguishment Of Debt Related Party GainLossOnExtinguishmentOfDebtRelatedParty	0	USD
CY2019	nova	Gain Loss On Extinguishment Of Debt Related Party GainLossOnExtinguishmentOfDebtRelatedParty	-10645000	USD
CY2021	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-30117000	USD
CY2020	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-14933000	USD
CY2019	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-8421000	USD
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	53261000	USD
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	4297000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	9349000	USD
CY2021	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	129810000	USD
CY2020	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	24256000	USD
CY2019	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	131741000	USD
CY2021	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	70758000	USD
CY2020	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	42411000	USD
CY2019	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	40118000	USD
CY2021	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-6392000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-1141000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	5292000	USD
CY2021	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	27908000	USD
CY2020	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-4504000	USD
CY2019	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	15099000	USD
CY2021	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	5963000	USD
CY2020	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	5397000	USD
CY2019	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	8452000	USD
CY2021	nova	Increase Decrease In Long Term Debt Paid In Kind Affiliates IncreaseDecreaseInLongTermDebtPaidInKindAffiliates	0	USD
CY2020	nova	Increase Decrease In Long Term Debt Paid In Kind Affiliates IncreaseDecreaseInLongTermDebtPaidInKindAffiliates	0	USD
CY2019	nova	Increase Decrease In Long Term Debt Paid In Kind Affiliates IncreaseDecreaseInLongTermDebtPaidInKindAffiliates	-719000	USD
CY2021	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-293000	USD
CY2020	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-2974000	USD
CY2019	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	1879000	USD
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-209230000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-131466000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-170262000	USD
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	554541000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	578369000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	430822000	USD
CY2021	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	728926000	USD
CY2020	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	285238000	USD
CY2019	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	159303000	USD
CY2021	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	66879000	USD
CY2020	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	35479000	USD
CY2019	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	21604000	USD
CY2021	nova	Payments For Investments In Solar Receivables PaymentsForInvestmentsInSolarReceivables	32212000	USD
CY2020	nova	Payments For Investments In Solar Receivables PaymentsForInvestmentsInSolarReceivables	0	USD
CY2019	nova	Payments For Investments In Solar Receivables PaymentsForInvestmentsInSolarReceivables	0	USD
CY2021	nova	Proceeds For Investments In Solar Receivables ProceedsForInvestmentsInSolarReceivables	3231000	USD
CY2020	nova	Proceeds For Investments In Solar Receivables ProceedsForInvestmentsInSolarReceivables	0	USD
CY2019	nova	Proceeds For Investments In Solar Receivables ProceedsForInvestmentsInSolarReceivables	0	USD
CY2021	nova	Proceeds From State Utility Rebates ProceedsFromStateUtilityRebates	486000	USD
CY2020	nova	Proceeds From State Utility Rebates ProceedsFromStateUtilityRebates	641000	USD
CY2019	nova	Proceeds From State Utility Rebates ProceedsFromStateUtilityRebates	668000	USD
CY2021	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-3867000	USD
CY2020	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	2032000	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	463000	USD
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1241216000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-829519000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-568316000	USD
CY2021	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	2235939000	USD
CY2020	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	1651765000	USD
CY2019	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	883360000	USD
CY2021	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	947130000	USD
CY2020	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	963872000	USD
CY2019	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	342540000	USD
CY2021	us-gaap	Proceeds From Related Party Debt ProceedsFromRelatedPartyDebt	0	USD
CY2020	us-gaap	Proceeds From Related Party Debt ProceedsFromRelatedPartyDebt	0	USD
CY2019	us-gaap	Proceeds From Related Party Debt ProceedsFromRelatedPartyDebt	15000000	USD
CY2021	us-gaap	Repayments Of Related Party Debt RepaymentsOfRelatedPartyDebt	0	USD
CY2020	us-gaap	Repayments Of Related Party Debt RepaymentsOfRelatedPartyDebt	0	USD
CY2019	us-gaap	Repayments Of Related Party Debt RepaymentsOfRelatedPartyDebt	56236000	USD
CY2021	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	34555000	USD
CY2020	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	4981000	USD
CY2019	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	4672000	USD
CY2021	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	31324000	USD
CY2020	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	24084000	USD
CY2019	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	12110000	USD
CY2021	nova	Payments Of Debt Discounts PaymentsOfDebtDiscounts	2324000	USD
CY2020	nova	Payments Of Debt Discounts PaymentsOfDebtDiscounts	3374000	USD
CY2019	nova	Payments Of Debt Discounts PaymentsOfDebtDiscounts	1084000	USD
CY2021	nova	Payments For Capped Call Transactions PaymentsForCappedCallTransactions	91655000	USD
CY2020	nova	Payments For Capped Call Transactions PaymentsForCappedCallTransactions	0	USD
CY2019	nova	Payments For Capped Call Transactions PaymentsForCappedCallTransactions	0	USD
CY2021	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	10513000	USD
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	152277000	USD
CY2019	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	164452000	USD
CY2021	us-gaap	Proceeds From Convertible Debt ProceedsFromConvertibleDebt	0	USD
CY2020	us-gaap	Proceeds From Convertible Debt ProceedsFromConvertibleDebt	73657000	USD
CY2019	us-gaap	Proceeds From Convertible Debt ProceedsFromConvertibleDebt	13984000	USD
CY2021	us-gaap	Proceeds From Issuance Of Convertible Preferred Stock ProceedsFromIssuanceOfConvertiblePreferredStock	0	USD
CY2020	us-gaap	Proceeds From Issuance Of Convertible Preferred Stock ProceedsFromIssuanceOfConvertiblePreferredStock	0	USD
CY2019	us-gaap	Proceeds From Issuance Of Convertible Preferred Stock ProceedsFromIssuanceOfConvertiblePreferredStock	-2510000	USD
CY2021	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	350121000	USD
CY2020	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	320245000	USD
CY2019	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	157149000	USD
CY2021	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	15854000	USD
CY2020	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	6527000	USD
CY2019	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	7559000	USD
CY2021	nova	Payments Of Costs Related To Noncontrolling Interests PaymentsOfCostsRelatedToNoncontrollingInterests	8805000	USD
CY2020	nova	Payments Of Costs Related To Noncontrolling Interests PaymentsOfCostsRelatedToNoncontrollingInterests	6517000	USD
CY2019	nova	Payments Of Costs Related To Noncontrolling Interests PaymentsOfCostsRelatedToNoncontrollingInterests	5395000	USD
CY2021	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-476000	USD
CY2020	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-2000	USD
CY2019	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-16000	USD
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1464450000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1188587000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	801823000	USD
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	14004000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	227602000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	63245000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	377893000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	150291000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	87046000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	391897000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	377893000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	150291000	USD
CY2021Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	80213000	USD
CY2020Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	73020000	USD
CY2019Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	10474000	USD
CY2021Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	68583000	USD
CY2020Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	95014000	USD
CY2019Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	56332000	USD
CY2021Q4	us-gaap	Cash Cash	243101000	USD
CY2020Q4	us-gaap	Cash Cash	209859000	USD
CY2019Q4	us-gaap	Cash Cash	83485000	USD
CY2021	nova	Change In Receivables Purchases Of Property And Equipment ChangeInReceivablesPurchasesOfPropertyAndEquipment	-8476000	USD
CY2020	nova	Change In Receivables Purchases Of Property And Equipment ChangeInReceivablesPurchasesOfPropertyAndEquipment	12109000	USD
CY2019	nova	Change In Receivables Purchases Of Property And Equipment ChangeInReceivablesPurchasesOfPropertyAndEquipment	-975000	USD
CY2021	nova	Change In Capital Expenditures Incurred But Not Yet Paid ChangeInCapitalExpendituresIncurredButNotYetPaid	-1979000	USD
CY2020	nova	Change In Capital Expenditures Incurred But Not Yet Paid ChangeInCapitalExpendituresIncurredButNotYetPaid	21041000	USD
CY2019	nova	Change In Capital Expenditures Incurred But Not Yet Paid ChangeInCapitalExpendituresIncurredButNotYetPaid	26952000	USD
CY2021	nova	Change In Accounts Payable And Accrued Expenses Related To Payments For Investments ChangeInAccountsPayableAndAccruedExpensesRelatedToPaymentsForInvestments	26464000	USD
CY2020	nova	Change In Accounts Payable And Accrued Expenses Related To Payments For Investments ChangeInAccountsPayableAndAccruedExpensesRelatedToPaymentsForInvestments	-18383000	USD
CY2019	nova	Change In Accounts Payable And Accrued Expenses Related To Payments For Investments ChangeInAccountsPayableAndAccruedExpensesRelatedToPaymentsForInvestments	-10557000	USD
CY2021	nova	Note Payable For Purchase Of Inventory NotePayableForPurchaseOfInventory	32301000	USD
CY2020	nova	Note Payable For Purchase Of Inventory NotePayableForPurchaseOfInventory	0	USD
CY2019	nova	Note Payable For Purchase Of Inventory NotePayableForPurchaseOfInventory	0	USD
CY2021	us-gaap	Debt Conversion Converted Instrument Amount1 DebtConversionConvertedInstrumentAmount1	95648000	USD
CY2020	us-gaap	Debt Conversion Converted Instrument Amount1 DebtConversionConvertedInstrumentAmount1	149352000	USD
CY2019	us-gaap	Debt Conversion Converted Instrument Amount1 DebtConversionConvertedInstrumentAmount1	0	USD
CY2021	us-gaap	Interest Paid Net InterestPaidNet	88256000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	87829000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	58060000	USD
CY2021	us-gaap	Income Taxes Paid IncomeTaxesPaid	190000	USD
CY2020	us-gaap	Income Taxes Paid IncomeTaxesPaid	181000	USD
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	0	USD
CY2018Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	85680000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	501118000	USD
CY2019	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	-8521000	USD
CY2019	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	-141955000	USD
CY2019	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	163966000	USD
CY2019	nova	Stockholders Equity Repurchase Of Convertible Preferred Stock StockholdersEquityRepurchaseOfConvertiblePreferredStock	191000	USD
CY2019	nova	Stock Issued During Period Value Conversion Of Convertible Notes StockIssuedDuringPeriodValueConversionOfConvertibleNotes	32834000	USD
CY2019	us-gaap	Stock Issued During Period Value Conversion Of Convertible Securities StockIssuedDuringPeriodValueConversionOfConvertibleSecurities	0	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Equity Component Of Convertible Debt AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt	13984000	USD
CY2019	nova	Noncontrolling Interest Increase From Contributions From Noncontrolling Interest Holders NoncontrollingInterestIncreaseFromContributionsFromNoncontrollingInterestHolders	77579000	USD
CY2019	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	79570000	USD
CY2019	nova	Distributions To Redeemable Noncontrolling Interests DistributionsToRedeemableNoncontrollingInterests	7559000	USD
CY2019	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	0	USD
CY2019	nova	Noncontrolling Interest Decreasefrom Costs Related To Redeemable Noncontrolling Interest NoncontrollingInterestDecreasefromCostsRelatedToRedeemableNoncontrollingInterest	2338000	USD
CY2019	nova	Noncontrolling Interest Decrease From Costs Related To Noncontrolling Interest Holders NoncontrollingInterestDecreaseFromCostsRelatedToNoncontrollingInterestHolders	5054000	USD
CY2019	nova	Redeemable Noncontrolling Interest Reallocation Of Basis RedeemableNoncontrollingInterestReallocationOfBasis	37112000	USD
CY2019	nova	Reallocation Of Asset Basis ReallocationOfAssetBasis	37112000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	9235000	USD
CY2019	us-gaap	Temporary Equity Other Changes TemporaryEquityOtherChanges	2358000	USD
CY2019	us-gaap	Stockholders Equity Other StockholdersEquityOther	-492000	USD
CY2019Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	127129000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	691111000	USD
CY2020	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	-10164000	USD
CY2020	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	-317982000	USD
CY2020	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	469271000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Equity Component Of Convertible Debt AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt	-5177000	USD
CY2020	nova	Noncontrolling Interest Increase From Contributions From Noncontrolling Interest Holders NoncontrollingInterestIncreaseFromContributionsFromNoncontrollingInterestHolders	3449000	USD
CY2020	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	316796000	USD
CY2020	nova	Distributions To Redeemable Noncontrolling Interests DistributionsToRedeemableNoncontrollingInterests	4802000	USD
CY2020	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	1725000	USD
CY2020	nova	Noncontrolling Interest Decreasefrom Costs Related To Redeemable Noncontrolling Interest NoncontrollingInterestDecreasefromCostsRelatedToRedeemableNoncontrollingInterest	-187000	USD
CY2020	nova	Noncontrolling Interest Decrease From Costs Related To Noncontrolling Interest Holders NoncontrollingInterestDecreaseFromCostsRelatedToNoncontrollingInterestHolders	7895000	USD
CY2020	nova	Redeemable Noncontrolling Interest Reallocation Of Basis RedeemableNoncontrollingInterestReallocationOfBasis	883000	USD
CY2020	nova	Reallocation Of Asset Basis ReallocationOfAssetBasis	883000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	10873000	USD
CY2020	us-gaap	Temporary Equity Other Changes TemporaryEquityOtherChanges	880000	USD
CY2020	us-gaap	Stockholders Equity Other StockholdersEquityOther	1690000	USD
CY2020Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	136124000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1144557000	USD
CY2020Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	136124000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1144557000	USD
CY2021	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	-6991000	USD
CY2021	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	-154501000	USD
CY2021	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	249709000	USD
CY2021	us-gaap	Adjustments To Additional Paid In Capital Equity Component Of Convertible Debt Subsequent Adjustments AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebtSubsequentAdjustments	8807000	USD
CY2021	nova	Apic Capped Call Transaction APICCappedCallTransaction	91655000	USD
CY2021	nova	Noncontrolling Interest Increase From Contributions From Noncontrolling Interest Holders NoncontrollingInterestIncreaseFromContributionsFromNoncontrollingInterestHolders	8375000	USD
CY2021	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	341746000	USD
CY2021	nova	Distributions To Redeemable Noncontrolling Interests DistributionsToRedeemableNoncontrollingInterests	4522000	USD
CY2021	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	11332000	USD
CY2021	nova	Noncontrolling Interest Decreasefrom Costs Related To Redeemable Noncontrolling Interest NoncontrollingInterestDecreasefromCostsRelatedToRedeemableNoncontrollingInterest	447000	USD
CY2021	nova	Noncontrolling Interest Decrease From Costs Related To Noncontrolling Interest Holders NoncontrollingInterestDecreaseFromCostsRelatedToNoncontrollingInterestHolders	10902000	USD
CY2021	nova	Redeemable Noncontrolling Interest Reallocation Of Basis RedeemableNoncontrollingInterestReallocationOfBasis	1118000	USD
CY2021	nova	Reallocation Of Asset Basis ReallocationOfAssetBasis	1118000	USD
CY2021Q4	us-gaap	Number Of States In Which Entity Operates NumberOfStatesInWhichEntityOperates	25	state
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	17236000	USD
CY2021	us-gaap	Temporary Equity Other Changes TemporaryEquityOtherChanges	-67000	USD
CY2021	us-gaap	Stockholders Equity Other StockholdersEquityOther	3146000	USD
CY2021Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	145336000	USD
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1476277000	USD
CY2021	nova	Number Of Customers NumberOfCustomers	195000	customer
CY2021	nova	Revenue From Contract With Customers Maximum Renewal Term RevenueFromContractWithCustomersMaximumRenewalTerm	P10Y
	nova	Capital Commitments From Investors CapitalCommitmentsFromInvestors	9000000000	USD
CY2021	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div style="text-indent:9pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Reclassifications</span></div><div><span><br/></span></div><div style="text-indent:22.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Certain prior period amounts have been reclassified to conform to the current period presentation. These reclassifications did not have a significant impact on our consolidated financial statements.</span></div>
CY2021	us-gaap	Use Of Estimates UseOfEstimates	<div style="text-indent:11.25pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Use of Estimates</span></div><div><span><br/></span></div><div style="text-indent:24.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The application of GAAP in the preparation of the consolidated financial statements requires us to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. We base our estimates on historical experience and on various other assumptions believed to be reasonable, the results of which form the basis for making judgments about the carrying values of assets and liabilities. Actual results could differ materially from those estimates.</span></div>
CY2021Q4	us-gaap	Cash Uninsured Amount CashUninsuredAmount	225700000	USD
CY2020Q4	us-gaap	Cash Uninsured Amount CashUninsuredAmount	199600000	USD
CY2021Q4	us-gaap	Restricted Cash RestrictedCash	148796000	USD
CY2020Q4	us-gaap	Restricted Cash RestrictedCash	168034000	USD
CY2021Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	80200000	USD
CY2020Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	73000000	USD
CY2021Q4	nova	Restricted Cash Uninsured RestrictedCashUninsured	144300000	USD
CY2020Q4	nova	Restricted Cash Uninsured RestrictedCashUninsured	163800000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	912000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	960000	USD
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1956000	USD
CY2020	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1878000	USD
CY2021	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	1997000	USD
CY2020	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	1741000	USD
CY2021	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	173000	USD
CY2020	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	55000	USD
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	1044000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	912000	USD
CY2021Q4	us-gaap	Inventory Net InventoryNet	127955000	USD
CY2020Q4	us-gaap	Inventory Net InventoryNet	102589000	USD
CY2021	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="text-indent:11.25pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Concentrations of Risk</span></div><div><span><br/></span></div><div style="text-indent:24.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Financial instruments that potentially subject us to concentrations of credit risk consist primarily of cash, restricted cash, accounts receivable and notes receivable. The concentrated risk associated with cash and restricted cash is mitigated by our policy of banking with creditworthy institutions. Typically, amounts on deposit with certain banking institutions exceed FDIC insurance limits. We do not generally require collateral or other security to support accounts receivable. To reduce credit risk related to our relationship with our dealers, management performs periodic credit evaluations and ongoing assessments of our dealers' financial condition.</span></div>
CY2021	nova	Number Of Dealers NumberOfDealers	200	dealer
CY2021	nova	Dealer Commitment Customer Agreement Average Term DealerCommitmentCustomerAgreementAverageTerm	P23Y
CY2020Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	0	USD
CY2019Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	0	USD
CY2021	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	84307000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	0	USD
CY2021	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	4052000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	0	USD
CY2021	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	2403000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	0	USD
CY2021Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	82658000	USD
CY2020Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	0	USD
CY2019Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	58900000	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	241752000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	160820000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	131556000	USD
CY2021Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	1600000000	USD
CY2021Q4	us-gaap	Revenue Remaining Performance Obligation Percentage RevenueRemainingPerformanceObligationPercentage	0.05
CY2021Q4	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P12M
CY2021	us-gaap	Revenue Performance Obligation Description Of Timing RevenuePerformanceObligationDescriptionOfTiming	We do not expect the annual recognition to vary significantly over approximately the next 20 years as the vast majority of existing solar service agreements have at least 20 years remaining
CY2021	nova	Average Ageof Solar Systems AverageAgeofSolarSystems	P4Y
CY2021Q4	us-gaap	Financing Receivable Threshold Period Past Due Writeoff FinancingReceivableThresholdPeriodPastDueWriteoff	P180D
CY2021Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	297819000	USD
CY2020Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	106809000	USD
CY2021Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	15300000	USD
CY2020Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	3800000	USD
CY2021	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	8400000	USD
CY2020	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	7300000	USD
CY2020Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	39792000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	212323000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	487000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	21803000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	449000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	190520000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	38000	USD
CY2019Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	25621000	USD
CY2021	nova	Debt Issuance Costs Additions DebtIssuanceCostsAdditions	30314000	USD
CY2020	nova	Debt Issuance Costs Additions DebtIssuanceCostsAdditions	23202000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	28441000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	28432000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	28432000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	18876000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	15690000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	70649000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	190520000	USD
CY2021	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	14050000	USD
CY2020	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	9031000	USD
CY2021Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	56056000	USD
CY2020Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	39792000	USD
CY2021Q4	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	815000	USD
CY2020Q4	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	0	USD
CY2021	us-gaap	Advertising Expense AdvertisingExpense	1900000	USD
CY2020	us-gaap	Advertising Expense AdvertisingExpense	195000	USD
CY2019	us-gaap	Advertising Expense AdvertisingExpense	1000000	USD
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	1300000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	2536757000	USD
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	300735000	USD
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	820000	USD
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	736000	USD
CY2021	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	-3700000	USD
CY2020	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	-5800000	USD
CY2019	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	-1800000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	3210348000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	213588000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2909613000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2323169000	USD
CY2021Q4	us-gaap	Inventory Net InventoryNet	127955000	USD
CY2020Q4	us-gaap	Inventory Net InventoryNet	102589000	USD
CY2021Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	80213000	USD
CY2020Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	73020000	USD
CY2021Q4	us-gaap	Notes And Loans Receivable Net Current NotesAndLoansReceivableNetCurrent	56074000	USD
CY2020Q4	us-gaap	Notes And Loans Receivable Net Current NotesAndLoansReceivableNetCurrent	24035000	USD
CY2021Q4	us-gaap	Other Prepaid Expense Current OtherPrepaidExpenseCurrent	14920000	USD
CY2020Q4	us-gaap	Other Prepaid Expense Current OtherPrepaidExpenseCurrent	8645000	USD
CY2021Q4	nova	Investments In Solar Receivables Current InvestmentsInSolarReceivablesCurrent	6787000	USD
CY2021Q4	nova	Prepaid Inventory PrepaidInventory	4835000	USD
CY2020Q4	nova	Prepaid Inventory PrepaidInventory	3352000	USD
CY2020Q4	nova	Investments In Solar Receivables Current InvestmentsInSolarReceivablesCurrent	0	USD
CY2021Q4	nova	Deferred Receivables Current DeferredReceivablesCurrent	4818000	USD
CY2020Q4	nova	Deferred Receivables Current DeferredReceivablesCurrent	2678000	USD
CY2021Q4	us-gaap	Other Assets Miscellaneous Current OtherAssetsMiscellaneousCurrent	719000	USD
CY2020Q4	us-gaap	Other Assets Miscellaneous Current OtherAssetsMiscellaneousCurrent	856000	USD
CY2021Q4	us-gaap	Other Assets Current OtherAssetsCurrent	296321000	USD
CY2020Q4	us-gaap	Other Assets Current OtherAssetsCurrent	215175000	USD
CY2021Q4	nova	Financing Receivable Construction In Progress FinancingReceivableConstructionInProgress	238791000	USD
CY2020Q4	nova	Financing Receivable Construction In Progress FinancingReceivableConstructionInProgress	85604000	USD
CY2021Q4	nova	Exclusivity And Other Bonus Arrangements With Dealers Net ExclusivityAndOtherBonusArrangementsWithDealersNet	81756000	USD
CY2020Q4	nova	Exclusivity And Other Bonus Arrangements With Dealers Net ExclusivityAndOtherBonusArrangementsWithDealersNet	55709000	USD
CY2021Q4	nova	Investments In Solar Receivables Noncurrent InvestmentsInSolarReceivablesNoncurrent	75871000	USD
CY2020Q4	nova	Investments In Solar Receivables Noncurrent InvestmentsInSolarReceivablesNoncurrent	0	USD
CY2021Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	68583000	USD
CY2020Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	95014000	USD
CY2021Q4	us-gaap	Contract With Customer Asset Net Noncurrent ContractWithCustomerAssetNetNoncurrent	43367000	USD
CY2020Q4	us-gaap	Contract With Customer Asset Net Noncurrent ContractWithCustomerAssetNetNoncurrent	33411000	USD
CY2021Q4	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	62768000	USD
CY2020Q4	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	24586000	USD
CY2021Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	571136000	USD
CY2020Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	294324000	USD
CY2021Q4	us-gaap	Interest Payable Current InterestPayableCurrent	22740000	USD
CY2020Q4	us-gaap	Interest Payable Current InterestPayableCurrent	17718000	USD
CY2021Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	15273000	USD
CY2020Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	3754000	USD
CY2021Q4	us-gaap	Loss Contingency Accrual Carrying Value Current LossContingencyAccrualCarryingValueCurrent	3175000	USD
CY2020Q4	us-gaap	Loss Contingency Accrual Carrying Value Current LossContingencyAccrualCarryingValueCurrent	3308000	USD
CY2021Q4	nova	Lease Liability Current LeaseLiabilityCurrent	1850000	USD
CY2020Q4	nova	Lease Liability Current LeaseLiabilityCurrent	1206000	USD
CY2021Q4	us-gaap	Other Sundry Liabilities Current OtherSundryLiabilitiesCurrent	1312000	USD
CY2020Q4	us-gaap	Other Sundry Liabilities Current OtherSundryLiabilitiesCurrent	28000	USD
CY2021Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	44350000	USD
CY2020Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	26014000	USD
CY2021	nova	Asset Retirement Obligation Useful Life AssetRetirementObligationUsefulLife	P30Y
CY2020Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	41788000	USD
CY2019Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	31053000	USD
CY2021	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	9807000	USD
CY2020	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	8633000	USD
CY2021	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	2897000	USD
CY2020	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	2186000	USD
CY2021	nova	Asset Retirement Obligation Other AssetRetirementObligationOther	96000	USD
CY2020	nova	Asset Retirement Obligation Other AssetRetirementObligationOther	84000	USD
CY2021Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	54396000	USD
CY2020Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	41788000	USD
CY2021Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	1301285000	USD
CY2020Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	555089000	USD
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	41138000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	17668000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	17668000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	1091000	USD
CY2021	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	23470000	USD
CY2020	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	7785000	USD
CY2021	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	0	USD
CY2020	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	443000	USD
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	41138000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	17668000	USD
CY2021	us-gaap	Provision For Lease Losses ProvisionForLeaseLosses	209000	USD
CY2020	us-gaap	Provision For Lease Losses ProvisionForLeaseLosses	184000	USD
CY2021Q4	nova	Solar Energy Equipment Not Yet Placed In Service SolarEnergyEquipmentNotYetPlacedInService	238800000	USD
CY2020Q4	nova	Solar Energy Equipment Not Yet Placed In Service SolarEnergyEquipmentNotYetPlacedInService	85600000	USD
CY2021Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	0	USD
CY2020Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	0	USD
CY2020Q4	srt	Financing Receivable Allowance For Credit Loss To Nonaccrual Percent FinancingReceivableAllowanceForCreditLossToNonaccrualPercent	0
CY2021Q4	srt	Financing Receivable Allowance For Credit Loss To Nonaccrual Percent FinancingReceivableAllowanceForCreditLossToNonaccrualPercent	0
CY2021	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	0	USD
CY2020	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	0	USD
CY2021Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	1301285000	USD
CY2020Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	555089000	USD
CY2021Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	15300000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	8600000	USD
CY2021Q4	us-gaap	Financing Receivable Originated In Current Fiscal Year FinancingReceivableOriginatedInCurrentFiscalYear	791159000	USD
CY2021Q4	us-gaap	Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear	243563000	USD
CY2021Q4	us-gaap	Financing Receivable Originated Two Years Before Latest Fiscal Year FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear	125033000	USD
CY2021Q4	us-gaap	Financing Receivable Originated Three Years Before Latest Fiscal Year FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear	82415000	USD
CY2021Q4	us-gaap	Financing Receivable Originated Four Years Before Latest Fiscal Year FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear	30529000	USD
CY2021Q4	us-gaap	Financing Receivable Originated Five Or More Years Before Latest Fiscal Year FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear	28586000	USD
CY2021Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	1301285000	USD
CY2021Q4	nova	Master Lease Agreement Upfront Lease Payment MasterLeaseAgreementUpfrontLeasePayment	35000000	USD
CY2021Q4	nova	Master Lease Agreement Common Stock Consideration MasterLeaseAgreementCommonStockConsideration	1027409	shares
CY2021Q4	nova	Master Lease Agreement Total Consideration MasterLeaseAgreementTotalConsideration	79400000	USD
CY2021Q3	nova	Investments In Solar Receivables InvestmentsInSolarReceivables	84300000	USD
CY2021Q4	nova	Investments In Solar Receivables InvestmentsInSolarReceivables	82700000	USD
CY2021Q4	nova	Investments In Solar Receivables Current InvestmentsInSolarReceivablesCurrent	6800000	USD
CY2021Q4	nova	Investments In Solar Receivables Noncurrent InvestmentsInSolarReceivablesNoncurrent	75900000	USD
CY2021	nova	Gain Loss On Investments In Solar Receivables GainLossOnInvestmentsInSolarReceivables	2400000	USD
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	3135681000	USD
CY2021Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	129793000	USD
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1924653000	USD
CY2020Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	110883000	USD
CY2021Q4	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	411800000	USD
CY2021Q2	nova	Apic Capped Call Transaction APICCappedCallTransaction	91700000	USD
CY2021Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	78900000	USD
CY2020Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	87600000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	129793000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	435248000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	108985000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	106534000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	1087902000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	1475889000	USD
CY2021Q4	us-gaap	Long Term Debt LongTermDebt	3344351000	USD
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0
CY2021	us-gaap	Income Loss Including Portion Attributable To Noncontrolling Interest IncomeLossIncludingPortionAttributableToNoncontrollingInterest	-147250000	USD
CY2020	us-gaap	Income Loss Including Portion Attributable To Noncontrolling Interest IncomeLossIncludingPortionAttributableToNoncontrollingInterest	-307637000	USD
CY2019	us-gaap	Income Loss Including Portion Attributable To Noncontrolling Interest IncomeLossIncludingPortionAttributableToNoncontrollingInterest	-133434000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-30923000	USD
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-64604000	USD
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-28021000	USD
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-2399000	USD
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-16862000	USD
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-8344000	USD
CY2021	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	-1970000	USD
CY2020	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	-11662000	USD
CY2019	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	2293000	USD
CY2021	nova	Effective Income Tax Rate Reconciliation Investment Tax Credit Recapture Amount EffectiveIncomeTaxRateReconciliationInvestmentTaxCreditRecaptureAmount	82000	USD
CY2020	nova	Effective Income Tax Rate Reconciliation Investment Tax Credit Recapture Amount EffectiveIncomeTaxRateReconciliationInvestmentTaxCreditRecaptureAmount	232000	USD
CY2019	nova	Effective Income Tax Rate Reconciliation Investment Tax Credit Recapture Amount EffectiveIncomeTaxRateReconciliationInvestmentTaxCreditRecaptureAmount	296000	USD
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	1054000	USD
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	475000	USD
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	852000	USD
CY2021	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	30476000	USD
CY2020	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	69278000	USD
CY2019	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	37510000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	260000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	181000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	0	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	260000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	181000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	0	USD
CY2021Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Domestic DeferredTaxAssetsOperatingLossCarryforwardsDomestic	252277000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Domestic DeferredTaxAssetsOperatingLossCarryforwardsDomestic	242732000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	68092000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	76281000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards General Business DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness	275807000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards General Business DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness	267522000	USD
CY2021Q4	us-gaap	Deferred Tax Asset Interest Carryforward DeferredTaxAssetInterestCarryforward	37896000	USD
CY2020Q4	us-gaap	Deferred Tax Asset Interest Carryforward DeferredTaxAssetInterestCarryforward	39036000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	85999000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	44337000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	36878000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	23010000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	756949000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	692918000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	330701000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	298032000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	55934000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	0	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Investments DeferredTaxLiabilitiesInvestments	81814000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Investments DeferredTaxLiabilitiesInvestments	57222000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	6877000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	3427000	USD
CY2021Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	475326000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	358681000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	281623000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	334237000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	0	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	0	USD
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	281600000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	334200000	USD
CY2021Q4	us-gaap	Tax Credit Carryforward Amount TaxCreditCarryforwardAmount	275800000	USD
CY2021Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	0	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	0	USD
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0
CY2021Q2	nova	Number Of Tax Equity Funds NumberOfTaxEquityFunds	4	tax_equity_fund
CY2021Q2	nova	Number Of Tax Equity Funds NumberOfTaxEquityFunds	4	tax_equity_fund
CY2020	nova	Notes Receivable Related Party Decrease Forgiveness NotesReceivableRelatedPartyDecreaseForgiveness	1300000	USD
CY2021	nova	Payments For Non Performance Fees PaymentsForNonPerformanceFees	41200000	USD
CY2020	nova	Payments For Non Performance Fees PaymentsForNonPerformanceFees	2100000	USD
CY2019	nova	Payments For Non Performance Fees PaymentsForNonPerformanceFees	1300000	USD
CY2021Q4	nova	Non Performance Fee NonPerformanceFee	5100000	USD
CY2020Q4	nova	Non Performance Fee NonPerformanceFee	1500000	USD
CY2020	us-gaap	Debt Conversion Converted Instrument Shares Issued1 DebtConversionConvertedInstrumentSharesIssued1	11168874	shares
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-142800000	USD
CY2021Q4	nova	Master Lease Agreement Common Stock Consideration MasterLeaseAgreementCommonStockConsideration	1027409	shares
CY2021	nova	Number Of Stock Option Plans NumberOfStockOptionPlans	2	plan
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	94295	shares
CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	2143	shares
CY2019	nova	Sharebased Compensation Arrangementby Sharebased Payment Award Options Issued In Period SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsIssuedInPeriod	2143	shares
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	922770	shares
CY2020	nova	Sharebased Compensation Arrangementby Sharebased Payment Award Options Issued In Period SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsIssuedInPeriod	922770	shares
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	75031	shares
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	569740	shares
CY2021	nova	Sharebased Compensation Arrangementby Sharebased Payment Award Options Issued In Period SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsIssuedInPeriod	569740	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	4304309	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	15.86
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P7Y29D
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	242000	USD
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	922770	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	14.76
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	28022000	USD
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	115191	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	19.19
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue	3.54
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	3266348	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	16.06
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y9M25D
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	94962000	USD
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	75031	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	40.50
CY2021	nova	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Remaining Contractual Term ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageRemainingContractualTerm	P9Y2M19D
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	18.35
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	569740	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	15.85
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	17623000	USD
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	5824	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	40.50
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue	18.35
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2765815	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	16.71
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y10M28D
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	31874000	USD
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	2698549	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	16.12
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y9M18D
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue	31874000	USD
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	2765815	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	16.71
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1	P4Y10M28D
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	31874000	USD
CY2020Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	0	shares
CY2020Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	0
CY2021Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	67266	shares
CY2021Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	18.35
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares	1941	shares
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares	915501	shares
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	36000	USD
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	3200000	USD
CY2021Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions	914000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-138128000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-252284000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-144351000	USD
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-138128000	USD
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-138128000	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-252284000	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-252284000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-169076000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-169076000	USD
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.25
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.25
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.87
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.87
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-4.14
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-4.14
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	110881630	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	110881630	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	87871457	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	87871457	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	40797976	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40797976	shares
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	1643000	USD
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	1342000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	1248000	USD
CY2021	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	417000	USD
CY2020	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	3000	USD
CY2019	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	8000	USD
CY2021	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	38000	USD
CY2020	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	0	USD
CY2019	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	0	USD
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	78000	USD
CY2020	us-gaap	Short Term Lease Cost ShortTermLeaseCost	49000	USD
CY2019	us-gaap	Short Term Lease Cost ShortTermLeaseCost	48000	USD
CY2021	us-gaap	Variable Lease Cost VariableLeaseCost	1064000	USD
CY2020	us-gaap	Variable Lease Cost VariableLeaseCost	696000	USD
CY2019	us-gaap	Variable Lease Cost VariableLeaseCost	1037000	USD
CY2020Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	112000	USD
CY2021	us-gaap	Sublease Income SubleaseIncome	0	USD
CY2020	us-gaap	Sublease Income SubleaseIncome	0	USD
CY2019	us-gaap	Sublease Income SubleaseIncome	73000	USD
CY2021	us-gaap	Lease Cost LeaseCost	3240000	USD
CY2020	us-gaap	Lease Cost LeaseCost	2090000	USD
CY2019	us-gaap	Lease Cost LeaseCost	2268000	USD
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	16483000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	8779000	USD
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	2187000	USD
CY2020Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	391000	USD
CY2021Q4	nova	Lease Right Of Use Asset LeaseRightOfUseAsset	18670000	USD
CY2020Q4	nova	Lease Right Of Use Asset LeaseRightOfUseAsset	9170000	USD
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	1190000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	1094000	USD
CY2021Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	660000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	USD
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	17684000	USD
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	9742000	USD
CY2021Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	1024000	USD
CY2020Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	203000	USD
CY2021Q4	nova	Lease Liability LeaseLiability	20558000	USD
CY2020Q4	nova	Lease Liability LeaseLiability	11151000	USD
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	1310000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	-439000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	1254000	USD
CY2021	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	38000	USD
CY2020	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	0	USD
CY2019	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	0	USD
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	476000	USD
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	2000	USD
CY2019	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	8000	USD
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	8867000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	8087000	USD
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	2213000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	392000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	13000	USD
CY2021	nova	Operating Leases Leasehold Improvements Reimbursements OperatingLeasesLeaseholdImprovementsReimbursements	423000	USD
CY2020	nova	Operating Leases Leasehold Improvements Reimbursements OperatingLeasesLeaseholdImprovementsReimbursements	1500000	USD
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y6M14D
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y5M19D
CY2021Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P3Y4M6D
CY2020Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P3Y11M26D
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0392
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0393
CY2021Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0311
CY2020Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0339
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	1941000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	702000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	3086000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	539000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	3065000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	386000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	3113000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	134000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	3180000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	0	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	8638000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	0	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	23023000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	1761000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	3302000	USD
CY2021Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	77000	USD
CY2021Q4	nova	Lessee Operating Lease Leasehold Incentive LesseeOperatingLeaseLeaseholdIncentive	847000	USD
CY2021Q4	nova	Finance Lease Liability Leasehold Incentives FinanceLeaseLiabilityLeaseholdIncentives	0	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	18874000	USD
CY2021Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	1684000	USD
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	1190000	USD
CY2021Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	660000	USD
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	17684000	USD
CY2021Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	1024000	USD
CY2021Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	200000	USD
CY2020Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	375000	USD
CY2021Q4	us-gaap	Other Commitment OtherCommitment	81800000	USD
CY2020Q4	us-gaap	Other Commitment OtherCommitment	55700000	USD
CY2021	nova	Payments For Other Commitments PaymentsForOtherCommitments	28900000	USD
CY2020	nova	Payments For Other Commitments PaymentsForOtherCommitments	25800000	USD
CY2019Q3	nova	Purchase Obligation Purchase Term PurchaseObligationPurchaseTerm	P5Y
CY2021Q4	nova	Purchase Obligation Megawatt Hours PurchaseObligationMegawattHours	1420	MWh
CY2020Q4	nova	Purchase Obligation Purchase Term PurchaseObligationPurchaseTerm	P1Y
CY2021Q4	us-gaap	Purchase Obligation Due In Next Twelve Months PurchaseObligationDueInNextTwelveMonths	0	USD
CY2021Q4	us-gaap	Purchase Obligation Due In Second Year PurchaseObligationDueInSecondYear	0	USD
CY2021Q4	us-gaap	Purchase Obligation Due In Third Year PurchaseObligationDueInThirdYear	4974000	USD
CY2021Q4	us-gaap	Purchase Obligation Due In Fourth Year PurchaseObligationDueInFourthYear	0	USD
CY2021Q4	us-gaap	Purchase Obligation Due In Fifth Year PurchaseObligationDueInFifthYear	0	USD
CY2021Q4	us-gaap	Purchase Obligation Due After Fifth Year PurchaseObligationDueAfterFifthYear	0	USD
CY2021Q4	us-gaap	Purchase Obligation PurchaseObligation	4974000	USD
CY2021Q4	us-gaap	Contractual Obligation Due In Next Twelve Months ContractualObligationDueInNextTwelveMonths	21212000	USD
CY2021Q4	us-gaap	Contractual Obligation Due In Second Year ContractualObligationDueInSecondYear	18169000	USD
CY2021Q4	us-gaap	Contractual Obligation Due In Third Year ContractualObligationDueInThirdYear	4648000	USD
CY2021Q4	us-gaap	Contractual Obligation Due In Fourth Year ContractualObligationDueInFourthYear	13000	USD
CY2021Q4	us-gaap	Contractual Obligation Due In Fifth Year ContractualObligationDueInFifthYear	0	USD
CY2021Q4	us-gaap	Contractual Obligation Due After Fifth Year ContractualObligationDueAfterFifthYear	0	USD
CY2021Q4	us-gaap	Contractual Obligation ContractualObligation	44042000	USD
CY2021	dei	Auditor Name AuditorName	PricewaterhouseCoopers LLP
CY2021	dei	Auditor Location AuditorLocation	Houston, TX
CY2021	dei	Auditor Firm AuditorFirmId	238

Files In Submission

Name	View Source	Status
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0001772695-22-000011-index.html	Edgar Link	pending
0001772695-22-000011.txt	Edgar Link	pending
0001772695-22-000011-xbrl.zip	Edgar Link	pending
exhibit10114-tephfourthame.htm	Edgar Link	pending
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$NOVA
Sunnova Energy International Inc. Stock $nova

2021 Form 10-K Financial Statement

#000177269522000011 Filed on February 24, 2022

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$NOVA Sunnova Energy International Inc. Stock $nova

2021 Form 10-K Financial Statement

#000177269522000011 Filed on February 24, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NOVA
Sunnova Energy International Inc. Stock $nova