$NOVA
Sunnova Energy International Inc. Stock $nova

$nova Overview Financials Valuation SEC Filings Company Website

2021 Q1 Form 10-Q Financial Statement

#000177269521000066 Filed on April 29, 2021

Income Statement

Concept	2021 Q1	2020 Q1
Revenue	$41.28M	$29.83M
YoY Change	38.38%	11.66%
Cost Of Revenue	$18.64M	$14.03M
YoY Change	32.86%	36.08%
Gross Profit	$22.63M	$15.80M
YoY Change	43.23%	-3.72%
Gross Profit Margin	54.83%	52.97%
Selling, General & Admin	$45.94M	$30.11M
YoY Change	52.57%	43.79%
% of Gross Profit	203.0%	190.57%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$19.54M	$14.95M
YoY Change	30.76%	35.72%
% of Gross Profit	86.36%	94.59%
Operating Expenses	$45.94M	$30.11M
YoY Change	52.57%	44.0%
Operating Profit	-$23.31M	-$14.31M
YoY Change	62.91%	217.42%
Interest Expense	-$8.051M	-$62.70M
YoY Change	-87.16%	102.32%
% of Operating Profit
Other Income/Expense, Net	$113.0K	$0.00
YoY Change
Pretax Income	-$24.06M	-$77.00M
YoY Change	-68.75%	116.9%
Income Tax	$0.00	$0.00
% Of Pretax Income
Net Earnings	-$32.98M	-$71.08M
YoY Change	-53.59%	84.54%
Net Earnings / Revenue	-79.91%	-238.27%
Basic Earnings Per Share	-$0.31
Diluted Earnings Per Share	-$0.31	-$846.2K
COMMON SHARES
Basic Shares Outstanding	106.4M shares	84.00M shares
Diluted Shares Outstanding	106.4M shares

Balance Sheet

Concept	2021 Q1	2020 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$150.9M	$73.40M
YoY Change	105.59%	67.2%
Cash & Equivalents	$263.5M	$169.2M
Short-Term Investments
Other Short-Term Assets	$192.6M	$174.0M
YoY Change	10.67%	3063.93%
Inventory	$107.7M	$115.1M
Prepaid Expenses
Receivables	$11.80M	$10.67M
Other Receivables	$21.54M	$9.264M
Total Short-Term Assets	$376.8M	$280.0M
YoY Change	34.6%	225.53%
LONG-TERM ASSETS
Property, Plant & Equipment	$2.446B	$1.885B
YoY Change	29.8%	34.68%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$310.8M	$169.7M
YoY Change	83.13%	96.43%
Total Long-Term Assets	$3.380B	$2.402B
YoY Change	40.69%	42.69%
TOTAL ASSETS
Total Short-Term Assets	$376.8M	$280.0M
Total Long-Term Assets	$3.380B	$2.402B
Total Assets	$3.757B	$2.682B
YoY Change	40.06%	51.58%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$33.90M	$59.66M
YoY Change	-43.17%	70.94%
Accrued Expenses	$44.31M	$15.16M
YoY Change	192.31%	21.26%
Deferred Revenue	$9.026M	$2.893M
YoY Change	211.99%
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due	$116.2M	$100.7M
YoY Change	15.38%	95.57%
Total Short-Term Liabilities	$217.3M	$190.9M
YoY Change	13.88%	73.35%
LONG-TERM LIABILITIES
Long-Term Debt	$1.995B	$1.512B
YoY Change	31.97%	48.72%
Other Long-Term Liabilities	$183.4M	$145.3M
YoY Change	26.22%	92.2%
Total Long-Term Liabilities	$1.995B	$1.512B
YoY Change	31.97%	38.42%
TOTAL LIABILITIES
Total Short-Term Liabilities	$217.3M	$190.9M
Total Long-Term Liabilities	$1.995B	$1.512B
Total Liabilities	$2.396B	$1.848B
YoY Change	29.66%	42.56%
SHAREHOLDERS EQUITY
Retained Earnings	-$524.5M	-$361.8M
YoY Change	44.96%
Common Stock	$1.547B	$1.011B
YoY Change	53.11%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.023B	$592.0M
YoY Change
Total Liabilities & Shareholders Equity	$3.757B	$2.682B
YoY Change	40.06%	51.58%

Cashflow Statement

Concept	2021 Q1	2020 Q1
OPERATING ACTIVITIES
Net Income	-$32.98M	-$71.08M
YoY Change	-53.59%	84.54%
Depreciation, Depletion And Amortization	$19.54M	$14.95M
YoY Change	30.76%	35.72%
Cash From Operating Activities	-$49.91M	-$58.11M
YoY Change	-14.12%	137.87%
INVESTING ACTIVITIES
Capital Expenditures	$117.5M	$141.2M
YoY Change	-16.83%	104.97%
Acquisitions
YoY Change
Other Investing Activities	-$208.0K	-$289.0K
YoY Change	-28.03%	236.05%
Cash From Investing Activities	-$226.2M	-$184.3M
YoY Change	22.73%	98.87%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		-$41.00K
YoY Change		-783.33%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	$161.7M	$261.4M
YoY Change	-38.14%	139.02%
NET CHANGE
Cash From Operating Activities	-$49.91M	-$58.11M
Cash From Investing Activities	-$226.2M	-$184.3M
Cash From Financing Activities	$161.7M	$261.4M
Net Change In Cash	-$114.4M	$18.95M
YoY Change	-704.01%	-344.17%
FREE CASH FLOW
Cash From Operating Activities	-$49.91M	-$58.11M
Capital Expenditures	$117.5M	$141.2M
Free Cash Flow	-$167.4M	-$199.3M
YoY Change	-16.04%	113.58%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021Q1	dei	Entity Registrant Name EntityRegistrantName	Sunnova Energy International Inc.
CY2021Q1	dei	Entity Central Index Key EntityCentralIndexKey	0001772695
CY2021Q1	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
CY2021Q1	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1
CY2021Q1	dei	Amendment Flag AmendmentFlag	false
CY2021Q1	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2020	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	nova:AccountingStandardsUpdate202006Member
CY2021Q1	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	us-gaap:OtherLiabilitiesCurrent
CY2020Q4	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	us-gaap:OtherLiabilitiesCurrent
CY2021Q1	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	us-gaap:OtherAssetsNoncurrent
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	us-gaap:OtherAssetsNoncurrent
CY2021Q1	us-gaap	Operating Lease Liability Noncurrent Statement Of Financial Position Extensible List OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	us-gaap:LiabilitiesOtherThanLongtermDebtNoncurren
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent Statement Of Financial Position Extensible List OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	us-gaap:LiabilitiesOtherThanLongtermDebtNoncurren
CY2021Q1	dei	Document Type DocumentType	10-Q
CY2021Q1	dei	Document Quarterly Report DocumentQuarterlyReport	true
CY2021Q1	dei	Document Period End Date DocumentPeriodEndDate	2021-03-31
CY2021Q1	dei	Document Transition Report DocumentTransitionReport	false
CY2021Q1	dei	Entity File Number EntityFileNumber	001-38995
CY2021Q1	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2021Q1	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	30-1192746
CY2021Q1	dei	Entity Address Address Line1 EntityAddressAddressLine1	20 East Greenway Plaza, Suite 540
CY2021Q1	dei	Entity Address City Or Town EntityAddressCityOrTown	Houston
CY2021Q1	dei	Entity Address State Or Province EntityAddressStateOrProvince	TX
CY2021Q1	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	77046
CY2021Q1	dei	City Area Code CityAreaCode	281
CY2021Q1	dei	Local Phone Number LocalPhoneNumber	892-1588
CY2021Q1	dei	Security12b Title Security12bTitle	Common Stock, $0.0001 par value per share
CY2021Q1	dei	Trading Symbol TradingSymbol	NOVA
CY2021Q1	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2021Q1	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2021Q1	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2021Q1	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
CY2021Q1	dei	Entity Small Business EntitySmallBusiness	false
CY2021Q1	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2021Q1	dei	Entity Shell Company EntityShellCompany	false
CY2021Q2	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	111970130	shares
CY2021Q1	us-gaap	Cash Cash	150892000	USD
CY2020Q4	us-gaap	Cash Cash	209859000	USD
CY2021Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	11802000	USD
CY2020Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	10243000	USD
CY2021Q1	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	21536000	USD
CY2020Q4	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	21378000	USD
CY2021Q1	nova	Other Current Asset Allowance OtherCurrentAssetAllowance	837000	USD
CY2020Q4	nova	Other Current Asset Allowance OtherCurrentAssetAllowance	707000	USD
CY2021Q1	us-gaap	Other Assets Current OtherAssetsCurrent	192580000	USD
CY2020Q4	us-gaap	Other Assets Current OtherAssetsCurrent	215175000	USD
CY2021Q1	us-gaap	Assets Current AssetsCurrent	376810000	USD
CY2020Q4	us-gaap	Assets Current AssetsCurrent	456655000	USD
CY2021Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2446103000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2323169000	USD
CY2021Q1	us-gaap	Allowance For Notes And Loans Receivable Current AllowanceForNotesAndLoansReceivableCurrent	20082000	USD
CY2020Q4	us-gaap	Allowance For Notes And Loans Receivable Current AllowanceForNotesAndLoansReceivableCurrent	16961000	USD
CY2021Q1	us-gaap	Notes And Loans Receivable Net Noncurrent NotesAndLoansReceivableNetNoncurrent	622901000	USD
CY2020Q4	us-gaap	Notes And Loans Receivable Net Noncurrent NotesAndLoansReceivableNetNoncurrent	513386000	USD
CY2021Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	310794000	USD
CY2020Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	294372000	USD
CY2021Q1	us-gaap	Assets Assets	3756608000	USD
CY2020Q4	us-gaap	Assets Assets	3587582000	USD
CY2021Q1	us-gaap	Accounts Payable Current AccountsPayableCurrent	33903000	USD
CY2020Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	39908000	USD
CY2021Q1	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	44309000	USD
CY2020Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	34049000	USD
CY2021Q1	us-gaap	Long Term Debt Current LongTermDebtCurrent	116205000	USD
CY2020Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	110883000	USD
CY2021Q1	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	22932000	USD
CY2020Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	26013000	USD
CY2021Q1	us-gaap	Liabilities Current LiabilitiesCurrent	217349000	USD
CY2020Q4	us-gaap	Liabilities Current LiabilitiesCurrent	210853000	USD
CY2021Q1	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1994734000	USD
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1924653000	USD
CY2021Q1	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	183618000	USD
CY2020Q4	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	171395000	USD
CY2021Q1	us-gaap	Liabilities Liabilities	2395701000	USD
CY2020Q4	us-gaap	Liabilities Liabilities	2306901000	USD
CY2021Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2021Q1	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	137122000	USD
CY2020Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	136124000	USD
CY2021Q1	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	108553802	shares
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	100412036	shares
CY2021Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
CY2021Q1	us-gaap	Common Stock Value CommonStockValue	11000	USD
CY2020Q4	us-gaap	Common Stock Value CommonStockValue	10000	USD
CY2021Q1	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1547375000	USD
CY2020Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1482716000	USD
CY2021Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-524511000	USD
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-530995000	USD
CY2021Q1	us-gaap	Stockholders Equity StockholdersEquity	1022875000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	951731000	USD
CY2021Q1	us-gaap	Minority Interest MinorityInterest	200910000	USD
CY2020Q4	us-gaap	Minority Interest MinorityInterest	192826000	USD
CY2021Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1223785000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1144557000	USD
CY2021Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	3756608000	USD
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	3587582000	USD
CY2021Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	41276000	USD
CY2020Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	29829000	USD
CY2021Q1	us-gaap	Cost Of Goods And Services Sold Depreciation CostOfGoodsAndServicesSoldDepreciation	17408000	USD
CY2020Q1	us-gaap	Cost Of Goods And Services Sold Depreciation CostOfGoodsAndServicesSoldDepreciation	12986000	USD
CY2021Q1	us-gaap	Cost Of Goods And Service Excluding Depreciation Depletion And Amortization CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization	1234000	USD
CY2020Q1	us-gaap	Cost Of Goods And Service Excluding Depreciation Depletion And Amortization CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization	1043000	USD
CY2021Q1	nova	Operations And Maintenance Expense OperationsAndMaintenanceExpense	3620000	USD
CY2020Q1	nova	Operations And Maintenance Expense OperationsAndMaintenanceExpense	2219000	USD
CY2021Q1	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	42320000	USD
CY2020Q1	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	27893000	USD
CY2021Q1	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	0	USD
CY2020Q1	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	6000	USD
CY2021Q1	us-gaap	Costs And Expenses CostsAndExpenses	64582000	USD
CY2020Q1	us-gaap	Costs And Expenses CostsAndExpenses	44135000	USD
CY2021Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	-23306000	USD
CY2020Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	-14306000	USD
CY2021Q1	us-gaap	Interest Expense Debt InterestExpenseDebt	8051000	USD
CY2020Q1	us-gaap	Interest Expense Debt InterestExpenseDebt	67318000	USD
CY2021Q1	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	7180000	USD
CY2020Q1	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	4620000	USD
CY2021Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	113000	USD
CY2020Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	0	USD
CY2021Q1	us-gaap	Income Loss Including Portion Attributable To Noncontrolling Interest IncomeLossIncludingPortionAttributableToNoncontrollingInterest	-24064000	USD
CY2020Q1	us-gaap	Income Loss Including Portion Attributable To Noncontrolling Interest IncomeLossIncludingPortionAttributableToNoncontrollingInterest	-77004000	USD
CY2021Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	0	USD
CY2020Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	0	USD
CY2021Q1	us-gaap	Profit Loss ProfitLoss	-24064000	USD
CY2020Q1	us-gaap	Profit Loss ProfitLoss	-77004000	USD
CY2021Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	8919000	USD
CY2020Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-5929000	USD
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	-32983000	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	-71075000	USD
CY2021Q1	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-0.31
CY2020Q1	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-0.85
CY2021Q1	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	106359220	shares
CY2020Q1	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	84001151	shares
CY2021Q1	us-gaap	Profit Loss ProfitLoss	-24064000	USD
CY2020Q1	us-gaap	Profit Loss ProfitLoss	-77004000	USD
CY2021Q1	us-gaap	Depreciation Depreciation	19543000	USD
CY2020Q1	us-gaap	Depreciation Depreciation	14946000	USD
CY2021Q1	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	-326000	USD
CY2020Q1	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	-331000	USD
CY2021Q1	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	2164000	USD
CY2020Q1	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	3494000	USD
CY2021Q1	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	1720000	USD
CY2020Q1	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	4663000	USD
CY2021Q1	us-gaap	Share Based Compensation ShareBasedCompensation	7924000	USD
CY2020Q1	us-gaap	Share Based Compensation ShareBasedCompensation	2690000	USD
CY2021Q1	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	18705000	USD
CY2020Q1	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-7596000	USD
CY2021Q1	us-gaap	Unrealized Gain Loss On Hybrid Instrument Net UnrealizedGainLossOnHybridInstrumentNet	113000	USD
CY2020Q1	us-gaap	Unrealized Gain Loss On Hybrid Instrument Net UnrealizedGainLossOnHybridInstrumentNet	0	USD
CY2021Q1	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	3644000	USD
CY2020Q1	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-3424000	USD
CY2021Q1	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	1771000	USD
CY2020Q1	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	2755000	USD
CY2021Q1	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	26808000	USD
CY2020Q1	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	-4124000	USD
CY2021Q1	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	7501000	USD
CY2020Q1	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	8682000	USD
CY2021Q1	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-756000	USD
CY2020Q1	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	13768000	USD
CY2021Q1	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	10626000	USD
CY2020Q1	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-17227000	USD
CY2021Q1	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	-6869000	USD
CY2020Q1	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	-6446000	USD
CY2021Q1	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-1980000	USD
CY2020Q1	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-1034000	USD
CY2021Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-49908000	USD
CY2020Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-58112000	USD
CY2021Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	117459000	USD
CY2020Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	141231000	USD
CY2021Q1	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	122532000	USD
CY2020Q1	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	50448000	USD
CY2021Q1	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	13459000	USD
CY2020Q1	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	6940000	USD
CY2021Q1	nova	Proceeds From State Utility Rebates ProceedsFromStateUtilityRebates	111000	USD
CY2020Q1	nova	Proceeds From State Utility Rebates ProceedsFromStateUtilityRebates	135000	USD
CY2021Q1	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-208000	USD
CY2020Q1	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-289000	USD
CY2021Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-226213000	USD
CY2020Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-184315000	USD
CY2021Q1	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	311280000	USD
CY2020Q1	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	583681000	USD
CY2021Q1	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	174800000	USD
CY2020Q1	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	408695000	USD
CY2021Q1	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	2254000	USD
CY2020Q1	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	2398000	USD
CY2021Q1	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	6273000	USD
CY2020Q1	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	10619000	USD
CY2021Q1	nova	Payments Of Debt Discounts PaymentsOfDebtDiscounts	20000	USD
CY2020Q1	nova	Payments Of Debt Discounts PaymentsOfDebtDiscounts	229000	USD
CY2021Q1	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	1037000	USD
CY2020Q1	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	41000	USD
CY2021Q1	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	40802000	USD
CY2020Q1	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	102342000	USD
CY2021Q1	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	2833000	USD
CY2020Q1	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	1373000	USD
CY2021Q1	nova	Payments Of Costs Related To Noncontrolling Interests PaymentsOfCostsRelatedToNoncontrollingInterests	3146000	USD
CY2020Q1	nova	Payments Of Costs Related To Noncontrolling Interests PaymentsOfCostsRelatedToNoncontrollingInterests	1295000	USD
CY2021Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-28000	USD
CY2020Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-1000	USD
CY2021Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	161691000	USD
CY2020Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	261372000	USD
CY2021Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-114430000	USD
CY2020Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	18945000	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
CY2021Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	263463000	USD
CY2020Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	169236000	USD
CY2021Q1	us-gaap	Restricted Cash Current RestrictedCashCurrent	43603000	USD
CY2020Q1	us-gaap	Restricted Cash Current RestrictedCashCurrent	30502000	USD
CY2021Q1	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	68968000	USD
CY2020Q1	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	65298000	USD
CY2021Q1	us-gaap	Cash Cash	150892000	USD
CY2020Q1	us-gaap	Cash Cash	73436000	USD
CY2021Q1	nova	Change In Capital Expenditures Incurred But Not Yet Paid ChangeInCapitalExpendituresIncurredButNotYetPaid	3272000	USD
CY2020Q1	nova	Change In Capital Expenditures Incurred But Not Yet Paid ChangeInCapitalExpendituresIncurredButNotYetPaid	9357000	USD
CY2021Q1	nova	Change In Accounts Payable And Accrued Expenses Related To Payments For Investments ChangeInAccountsPayableAndAccruedExpensesRelatedToPaymentsForInvestments	-9107000	USD
CY2020Q1	nova	Change In Accounts Payable And Accrued Expenses Related To Payments For Investments ChangeInAccountsPayableAndAccruedExpensesRelatedToPaymentsForInvestments	-4523000	USD
CY2021Q1	us-gaap	Debt Conversion Converted Instrument Amount1 DebtConversionConvertedInstrumentAmount1	95648000	USD
CY2020Q1	us-gaap	Debt Conversion Converted Instrument Amount1 DebtConversionConvertedInstrumentAmount1	0	USD
CY2021Q1	us-gaap	Interest Paid Net InterestPaidNet	28180000	USD
CY2020Q1	us-gaap	Interest Paid Net InterestPaidNet	25369000	USD
CY2021Q1	us-gaap	Income Taxes Paid IncomeTaxesPaid	0	USD
CY2020Q1	us-gaap	Income Taxes Paid IncomeTaxesPaid	0	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
CY2020Q1	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	1576000	USD
CY2020Q1	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	-78580000	USD
CY2020Q1	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	214000	USD
CY2020Q1	nova	Noncontrolling Interest Increase From Contributions From Noncontrolling Interest Holders NoncontrollingInterestIncreaseFromContributionsFromNoncontrollingInterestHolders	3170000	USD
CY2020Q1	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	99172000	USD
CY2020Q1	nova	Distributions To Redeemable Noncontrolling Interests DistributionsToRedeemableNoncontrollingInterests	1373000	USD
CY2020Q1	nova	Noncontrolling Interest Decreasefrom Costs Related To Redeemable Noncontrolling Interest NoncontrollingInterestDecreasefromCostsRelatedToRedeemableNoncontrollingInterest	-187000	USD
CY2020Q1	nova	Noncontrolling Interest Decrease From Costs Related To Noncontrolling Interest Holders NoncontrollingInterestDecreaseFromCostsRelatedToNoncontrollingInterestHolders	894000	USD
CY2020Q1	nova	Redeemable Noncontrolling Interest Reallocation Of Basis RedeemableNoncontrollingInterestReallocationOfBasis	-145000	USD
CY2020Q1	nova	Reallocation Of Asset Basis ReallocationOfAssetBasis	-145000	USD
CY2020Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2690000	USD
CY2020Q1	us-gaap	Temporary Equity Other Changes TemporaryEquityOtherChanges	-44000	USD
CY2020Q1	us-gaap	Stockholders Equity Other StockholdersEquityOther	3000	USD
CY2020Q1	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	130790000	USD
CY2020Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	703657000	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
CY2021Q1	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	2110000	USD
CY2021Q1	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	-26174000	USD
CY2021Q1	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	65542000	USD
CY2021Q1	us-gaap	Adjustments To Additional Paid In Capital Equity Component Of Convertible Debt Subsequent Adjustments AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebtSubsequentAdjustments	8807000	USD
CY2021Q1	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	40802000	USD
CY2021Q1	nova	Distributions To Redeemable Noncontrolling Interests DistributionsToRedeemableNoncontrollingInterests	1090000	USD
CY2021Q1	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	1743000	USD
CY2021Q1	nova	Noncontrolling Interest Decrease From Costs Related To Noncontrolling Interest Holders NoncontrollingInterestDecreaseFromCostsRelatedToNoncontrollingInterestHolders	55000	USD
CY2021Q1	nova	Redeemable Noncontrolling Interest Reallocation Of Basis RedeemableNoncontrollingInterestReallocationOfBasis	-40000	USD
CY2021Q1	nova	Reallocation Of Asset Basis ReallocationOfAssetBasis	-40000	USD
CY2021Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	7924000	USD
CY2021Q1	us-gaap	Temporary Equity Other Changes TemporaryEquityOtherChanges	-62000	USD
CY2021Q1	us-gaap	Stockholders Equity Other StockholdersEquityOther	475000	USD
CY2021Q1	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	137122000	USD
CY2021Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1223785000	USD
CY2021Q1	nova	Number Of Customers NumberOfCustomers	116000	customer
CY2021Q1	us-gaap	Number Of States In Which Entity Operates NumberOfStatesInWhichEntityOperates	25	state
CY2021Q1	nova	Revenue From Contract With Customers Maximum Renewal Term RevenueFromContractWithCustomersMaximumRenewalTerm	P10Y
	nova	Capital Commitments From Investors CapitalCommitmentsFromInvestors	6900000000	USD
CY2021Q1	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P12M
CY2019Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	127129000	USD
CY2020Q1	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	1576000	USD
CY2020Q1	nova	Noncontrolling Interest Increase From Contributions From Noncontrolling Interest Holders NoncontrollingInterestIncreaseFromContributionsFromNoncontrollingInterestHolders	3170000	USD
CY2020Q1	nova	Distributions To Redeemable Noncontrolling Interests DistributionsToRedeemableNoncontrollingInterests	1373000	USD
CY2020Q1	nova	Noncontrolling Interest Decreasefrom Costs Related To Redeemable Noncontrolling Interest NoncontrollingInterestDecreasefromCostsRelatedToRedeemableNoncontrollingInterest	-187000	USD
CY2020Q1	nova	Redeemable Noncontrolling Interest Reallocation Of Basis RedeemableNoncontrollingInterestReallocationOfBasis	-145000	USD
CY2020Q1	us-gaap	Temporary Equity Other Changes TemporaryEquityOtherChanges	-44000	USD
CY2020Q1	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	130790000	USD
CY2021Q1	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 interim financial statements requires us to make estimates and assumptions that affect the amounts reported in the interim 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>
CY2021Q1	us-gaap	Financing Receivable Threshold Period Past Due Writeoff FinancingReceivableThresholdPeriodPastDueWriteoff	P180D
CY2019Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	58900000	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
CY2021Q1	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	396000	USD
CY2020Q1	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	402000	USD
CY2021Q1	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	496000	USD
CY2020Q1	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	385000	USD
CY2021Q1	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	36000	USD
CY2020Q1	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	9000	USD
CY2021Q1	nova	Accounts Receivable Allowance For Credit Loss Other Net AccountsReceivableAllowanceForCreditLossOtherNet	0	USD
CY2020Q1	nova	Accounts Receivable Allowance For Credit Loss Other Net AccountsReceivableAllowanceForCreditLossOtherNet	1000	USD
CY2021Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	848000	USD
CY2020Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	747000	USD
CY2021Q1	us-gaap	Inventory Net InventoryNet	107684000	USD
CY2020Q4	us-gaap	Inventory Net InventoryNet	102589000	USD
CY2021Q1	nova	Accrued Expense Inventory AccruedExpenseInventory	13500000	USD
CY2020Q4	nova	Accrued Expense Inventory AccruedExpenseInventory	8900000	USD
CY2021Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	41276000	USD
CY2020Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	29829000	USD
CY2021Q1	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	1700000000	USD
CY2021Q1	us-gaap	Revenue Remaining Performance Obligation Percentage RevenueRemainingPerformanceObligationPercentage	0.04
CY2021Q1	nova	Average Ageof Solar Systems AverageAgeofSolarSystems	P4Y
CY2021Q1	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
CY2021Q1	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	136472000	USD
CY2020Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	106809000	USD
CY2021Q1	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	9000000.0	USD
CY2020Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	3800000	USD
CY2021Q1	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	2500000	USD
CY2020Q1	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	997000	USD
CY2021Q1	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	2679139000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	2536757000	USD
CY2021Q1	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	233036000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	213588000	USD
CY2021Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2446103000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2323169000	USD
CY2021Q1	us-gaap	Inventory Net InventoryNet	107684000	USD
CY2020Q4	us-gaap	Inventory Net InventoryNet	102589000	USD
CY2021Q1	us-gaap	Restricted Cash Current RestrictedCashCurrent	43603000	USD
CY2020Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	73020000	USD
CY2021Q1	us-gaap	Notes And Loans Receivable Net Current NotesAndLoansReceivableNetCurrent	29077000	USD
CY2020Q4	us-gaap	Other Assets Current OtherAssetsCurrent	215175000	USD
CY2020Q4	us-gaap	Other Prepaid Expense Current OtherPrepaidExpenseCurrent	8645000	USD
CY2021Q1	nova	Prepaid Inventory PrepaidInventory	0	USD
CY2020Q4	us-gaap	Notes And Loans Receivable Net Current NotesAndLoansReceivableNetCurrent	24035000	USD
CY2021Q1	us-gaap	Other Prepaid Expense Current OtherPrepaidExpenseCurrent	9318000	USD
CY2020Q4	nova	Prepaid Inventory PrepaidInventory	3352000	USD
CY2021Q1	nova	Deferred Receivables Current DeferredReceivablesCurrent	2075000	USD
CY2020Q4	nova	Deferred Receivables Current DeferredReceivablesCurrent	2678000	USD
CY2021Q1	nova	Financing Receivable After Allowance For Credit Loss Other Current FinancingReceivableAfterAllowanceForCreditLossOtherCurrent	820000	USD
CY2020Q4	nova	Financing Receivable After Allowance For Credit Loss Other Current FinancingReceivableAfterAllowanceForCreditLossOtherCurrent	853000	USD
CY2021Q1	us-gaap	Other Assets Miscellaneous Current OtherAssetsMiscellaneousCurrent	3000	USD
CY2020Q4	us-gaap	Other Assets Miscellaneous Current OtherAssetsMiscellaneousCurrent	3000	USD
CY2021Q1	us-gaap	Other Assets Current OtherAssetsCurrent	192580000	USD
CY2021Q1	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	68968000	USD
CY2020Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	95014000	USD
CY2021Q1	nova	Financing Receivable Construction In Progress FinancingReceivableConstructionInProgress	102242000	USD
CY2020Q4	nova	Financing Receivable Construction In Progress FinancingReceivableConstructionInProgress	85604000	USD
CY2021Q1	nova	Exclusivity And Other Bonus Arrangements With Dealers Net ExclusivityAndOtherBonusArrangementsWithDealersNet	62600000	USD
CY2020Q4	nova	Exclusivity And Other Bonus Arrangements With Dealers Net ExclusivityAndOtherBonusArrangementsWithDealersNet	55709000	USD
CY2021Q1	us-gaap	Contract With Customer Asset Net Noncurrent ContractWithCustomerAssetNetNoncurrent	35877000	USD
CY2020Q4	us-gaap	Contract With Customer Asset Net Noncurrent ContractWithCustomerAssetNetNoncurrent	33411000	USD
CY2021Q1	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	14291000	USD
CY2020Q4	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	0	USD
CY2021Q1	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	26816000	USD
CY2020Q4	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	24634000	USD
CY2021Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	310794000	USD
CY2020Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	294372000	USD
CY2021Q1	us-gaap	Interest Payable Current InterestPayableCurrent	10318000	USD
CY2020Q4	us-gaap	Interest Payable Current InterestPayableCurrent	17718000	USD
CY2021Q1	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	9026000	USD
CY2020Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	3754000	USD
CY2021Q1	us-gaap	Loss Contingency Accrual Carrying Value Current LossContingencyAccrualCarryingValueCurrent	2349000	USD
CY2020Q4	us-gaap	Loss Contingency Accrual Carrying Value Current LossContingencyAccrualCarryingValueCurrent	3308000	USD
CY2021Q1	nova	Lease Liability Current LeaseLiabilityCurrent	1217000	USD
CY2020Q4	nova	Lease Liability Current LeaseLiabilityCurrent	1206000	USD
CY2021Q1	us-gaap	Other Sundry Liabilities Current OtherSundryLiabilitiesCurrent	22000	USD
CY2020Q4	us-gaap	Other Sundry Liabilities Current OtherSundryLiabilitiesCurrent	27000	USD
CY2021Q1	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	22932000	USD
CY2020Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	26013000	USD
CY2021Q1	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	0	USD
CY2021Q1	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
CY2021Q1	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	2290000	USD
CY2020Q1	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	2067000	USD
CY2021Q1	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	652000	USD
CY2020Q1	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	489000	USD
CY2021Q1	nova	Asset Retirement Obligation Other AssetRetirementObligationOther	-16000	USD
CY2020Q1	nova	Asset Retirement Obligation Other AssetRetirementObligationOther	-15000	USD
CY2021Q1	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	44714000	USD
CY2020Q1	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	33594000	USD
CY2021Q1	us-gaap	Notes Receivable Gross NotesReceivableGross	672897000	USD
CY2020Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	555089000	USD
CY2021Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	20919000	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
CY2021Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	3251000	USD
CY2020Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	1811000	USD
CY2021Q1	nova	Finance Receivables Allowance For Credit Loss Other Net FinanceReceivablesAllowanceForCreditLossOtherNet	0	USD
CY2020Q1	nova	Finance Receivables Allowance For Credit Loss Other Net FinanceReceivablesAllowanceForCreditLossOtherNet	-1000	USD
CY2021Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	20919000	USD
CY2020Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	12136000	USD
CY2021Q1	us-gaap	Provision For Lease Losses ProvisionForLeaseLosses	62000	USD
CY2020Q1	us-gaap	Provision For Lease Losses ProvisionForLeaseLosses	53000	USD
CY2021Q1	nova	Solar Energy Equipment Not Yet Placed In Service SolarEnergyEquipmentNotYetPlacedInService	102200000	USD
CY2020Q4	nova	Solar Energy Equipment Not Yet Placed In Service SolarEnergyEquipmentNotYetPlacedInService	85600000	USD
CY2020Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	0	USD
CY2020Q1	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	0	USD
CY2021Q1	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	0	USD
CY2021Q1	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	17797000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	17092000	USD
CY2021Q1	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	655100000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	537997000	USD
CY2021Q1	us-gaap	Notes Receivable Gross NotesReceivableGross	672897000	USD
CY2020Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	555089000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	8600000	USD
CY2021Q1	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	8600000	USD
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	75031	shares
CY2020Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	110883000	USD
CY2021Q1	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	281100000	USD
CY2021Q1	us-gaap	Financing Receivable Originated In Current Fiscal Year FinancingReceivableOriginatedInCurrentFiscalYear	129799000	USD
CY2021Q1	us-gaap	Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear	261450000	USD
CY2021Q1	us-gaap	Financing Receivable Originated Two Years Before Latest Fiscal Year FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear	132412000	USD
CY2021Q1	us-gaap	Financing Receivable Originated Three Years Before Latest Fiscal Year FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear	86868000	USD
CY2021Q1	us-gaap	Financing Receivable Originated Four Years Before Latest Fiscal Year FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear	32357000	USD
CY2021Q1	us-gaap	Financing Receivable Originated Five Or More Years Before Latest Fiscal Year FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear	30011000	USD
CY2021Q1	us-gaap	Notes Receivable Gross NotesReceivableGross	672897000	USD
CY2021Q1	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1994734000	USD
CY2021Q1	us-gaap	Long Term Debt Current LongTermDebtCurrent	116205000	USD
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1924653000	USD
CY2021Q1	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	51700000	USD
CY2020Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	87600000	USD
CY2020Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0
CY2021Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0
CY2020Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	0	USD
CY2021Q1	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	0	USD
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
CY2020Q1	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
CY2021Q1	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	40.50
CY2021Q1	nova	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Remaining Contractual Term ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageRemainingContractualTerm	P9Y11M19D
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	18.35
CY2021Q1	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	491125	shares
CY2021Q1	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	16.30
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	15549000	USD
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2850254	shares
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	16.66
CY2021Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y8M8D
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	68865000	USD
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	2775223	shares
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	16.01
CY2021Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P5Y6M25D
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue	68841000	USD
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	2850254	shares
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	16.66
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	68865000	USD
CY2021Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	75031	shares
CY2021Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1	P5Y8M8D
CY2021Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	18.35
CY2021Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares	0	shares
CY2020Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares	265207	shares
CY2021Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	0	USD
CY2020Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	791000	USD
CY2021Q1	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions	1400000	USD
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	11294	shares
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	16.22
CY2021Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-32983000	USD
CY2021Q1	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-32983000	USD
CY2020Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-71075000	USD
CY2020Q1	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-71075000	USD
CY2021Q1	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-0.31
CY2020Q1	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-0.85
CY2021Q1	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	106359220	shares
CY2020Q1	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	84001151	shares
CY2021Q1	us-gaap	Operating Lease Cost OperatingLeaseCost	336000	USD
CY2020Q1	us-gaap	Operating Lease Cost OperatingLeaseCost	336000	USD
CY2021Q1	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	25000	USD
CY2020Q1	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	2000	USD
CY2021Q1	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	3000	USD
CY2020Q1	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	0	USD
CY2021Q1	us-gaap	Short Term Lease Cost ShortTermLeaseCost	10000	USD
CY2020Q1	us-gaap	Short Term Lease Cost ShortTermLeaseCost	16000	USD
CY2021Q1	us-gaap	Variable Lease Cost VariableLeaseCost	261000	USD
CY2020Q1	us-gaap	Variable Lease Cost VariableLeaseCost	7000	USD
CY2021Q1	us-gaap	Lease Cost LeaseCost	635000	USD
CY2020Q1	us-gaap	Lease Cost LeaseCost	361000	USD
CY2021Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	8558000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	8779000	USD
CY2021Q1	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	367000	USD
CY2020Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	391000	USD
CY2021Q1	nova	Lease Right Of Use Asset LeaseRightOfUseAsset	8925000	USD
CY2020Q4	nova	Lease Right Of Use Asset LeaseRightOfUseAsset	9170000	USD
CY2021Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	1108000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	1094000	USD
CY2021Q1	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	110000	USD
CY2020Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	112000	USD
CY2021Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	9885000	USD
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	9742000	USD
CY2021Q1	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	178000	USD
CY2020Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	203000	USD
CY2021Q1	nova	Lease Liability LeaseLiability	11281000	USD
CY2020Q4	nova	Lease Liability LeaseLiability	11151000	USD
CY2021Q1	us-gaap	Operating Lease Payments OperatingLeasePayments	-42000	USD
CY2020Q1	us-gaap	Operating Lease Payments OperatingLeasePayments	11000	USD
CY2021Q1	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	3000	USD
CY2020Q1	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	0	USD
CY2021Q1	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	28000	USD
CY2020Q1	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1000	USD
CY2021Q1	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	USD
CY2020Q1	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	USD
CY2021Q1	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	0	USD
CY2020Q1	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	0	USD
CY2021Q1	nova	Operating Leases Leasehold Improvements Reimbursements OperatingLeasesLeaseholdImprovementsReimbursements	423000	USD
CY2021Q1	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y2M23D
CY2020Q1	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y5M19D
CY2021Q1	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P3Y8M26D
CY2020Q1	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P3Y11M26D
CY2021Q1	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0393
CY2020Q1	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0393
CY2021Q1	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0338
CY2020Q1	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0339
CY2021Q1	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	1155000	USD
CY2021Q1	us-gaap	Finance Lease Liability Payments Remainder Of Fiscal Year FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear	91000	USD
CY2021Q1	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	1559000	USD
CY2021Q1	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	88000	USD
CY2021Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	1594000	USD
CY2021Q1	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	69000	USD
CY2021Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	1616000	USD
CY2021Q1	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	55000	USD
CY2021Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1633000	USD
CY2021Q1	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	0	USD
CY2021Q1	nova	Lessee Operating Lease Liability To Be Paid After Year Four LesseeOperatingLeaseLiabilityToBePaidAfterYearFour	5984000	USD
CY2021Q1	nova	Finance Lease Liability To Be Paid After Year Four FinanceLeaseLiabilityToBePaidAfterYearFour	0	USD
CY2021Q1	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	13541000	USD
CY2021Q1	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	303000	USD
CY2021Q1	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	2021000	USD
CY2021Q1	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	15000	USD
CY2021Q1	nova	Lessee Operating Lease Leasehold Incentive LesseeOperatingLeaseLeaseholdIncentive	527000	USD
CY2021Q1	nova	Finance Lease Liability Leasehold Incentives FinanceLeaseLiabilityLeaseholdIncentives	0	USD
CY2021Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	10993000	USD
CY2021Q1	us-gaap	Finance Lease Liability FinanceLeaseLiability	288000	USD
CY2021Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	1108000	USD
CY2021Q1	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	110000	USD
CY2021Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	9885000	USD
CY2021Q1	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	178000	USD
CY2021Q1	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	375000	USD
CY2021Q1	us-gaap	Other Commitment OtherCommitment	62600000	USD
CY2020Q4	us-gaap	Other Commitment OtherCommitment	55700000	USD
CY2021Q1	nova	Payments For Other Commitments PaymentsForOtherCommitments	3700000	USD
CY2020Q1	nova	Payments For Other Commitments PaymentsForOtherCommitments	5300000	USD
CY2019Q3	nova	Purchase Obligation Purchase Term PurchaseObligationPurchaseTerm	P5Y
CY2020Q4	nova	Purchase Obligation Purchase Term PurchaseObligationPurchaseTerm	P1Y
CY2021Q1	us-gaap	Purchase Obligation Future Minimum Payments Remainder Of Fiscal Year PurchaseObligationFutureMinimumPaymentsRemainderOfFiscalYear	15642000	USD
CY2021Q1	us-gaap	Purchase Obligation Due In Next Twelve Months PurchaseObligationDueInNextTwelveMonths	26810000	USD
CY2021Q1	us-gaap	Purchase Obligation Due In Second Year PurchaseObligationDueInSecondYear	26605000	USD
CY2021Q1	us-gaap	Purchase Obligation Due In Third Year PurchaseObligationDueInThirdYear	19807000	USD
CY2021Q1	us-gaap	Purchase Obligation Due In Fourth Year PurchaseObligationDueInFourthYear	0	USD
CY2021Q1	nova	Purchase Obligation To Be Paid After Year Four PurchaseObligationToBePaidAfterYearFour	0	USD
CY2021Q1	us-gaap	Purchase Obligation PurchaseObligation	88864000	USD
CY2021Q1	us-gaap	Contractual Obligation Future Minimum Payments Due Remainder Of Fiscal Year ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear	8026000	USD
CY2021Q1	us-gaap	Contractual Obligation Due In Next Twelve Months ContractualObligationDueInNextTwelveMonths	2216000	USD
CY2021Q1	us-gaap	Contractual Obligation Due In Second Year ContractualObligationDueInSecondYear	26000	USD
CY2021Q1	us-gaap	Contractual Obligation Due In Third Year ContractualObligationDueInThirdYear	26000	USD
CY2021Q1	us-gaap	Contractual Obligation Due In Fourth Year ContractualObligationDueInFourthYear	7000	USD
CY2021Q1	nova	Contractual Obligation To Be Paid After Year Four ContractualObligationToBePaidAfterYearFour	0	USD
CY2021Q1	us-gaap	Contractual Obligation ContractualObligation	10301000	USD

Files In Submission

Name	View Source	Status
0001772695-21-000066-index-headers.html	Edgar Link	pending
0001772695-21-000066-index.html	Edgar Link	pending
0001772695-21-000066.txt	Edgar Link	pending
0001772695-21-000066-xbrl.zip	Edgar Link	pending
exhibit101-ezopamendmentno.htm	Edgar Link	pending
exhibit105-tepharcreditagr.htm	Edgar Link	pending
exhibit106-tepharparentgua.htm	Edgar Link	pending
exhibit107-tepinvamendment.htm	Edgar Link	pending
exhibit108-stockpurchaseag.htm	Edgar Link	pending
exhibit311-q12021.htm	Edgar Link	pending
exhibit312-q12021.htm	Edgar Link	pending
exhibit321-q12021.htm	Edgar Link	pending
exhibit322-q12021.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
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report.css	Edgar Link	pending
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$NOVA
Sunnova Energy International Inc. Stock $nova

2021 Q1 Form 10-Q Financial Statement

#000177269521000066 Filed on April 29, 2021

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$NOVA Sunnova Energy International Inc. Stock $nova

2021 Q1 Form 10-Q Financial Statement

#000177269521000066 Filed on April 29, 2021

Income Statement

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Facts In Submission

Files In Submission

$NOVA
Sunnova Energy International Inc. Stock $nova