2023 Q4 Form 10-Q Financial Statement

#000199300423000006 Filed on October 27, 2023

View on sec.gov

Income Statement

Concept 2023 Q4 2023 Q3 2023 Q2
Revenue $356.0M $321.1M $290.5M
YoY Change -16.29% -4.17% -10.06%
Cost Of Revenue $98.20M $88.90M $67.60M
YoY Change -35.82% -18.37% -28.84%
Gross Profit $257.8M $232.2M $222.9M
YoY Change -5.33% 2.65% -2.24%
Gross Profit Margin 72.41% 72.32% 76.73%
Selling, General & Admin $23.20M $29.40M $30.00M
YoY Change -13.43% 4.63% 10.29%
% of Gross Profit 9.0% 12.66% 13.46%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization $52.70M $52.16M $52.40M
YoY Change 6.9% 7.35% 8.71%
% of Gross Profit 20.44% 22.46% 23.51%
Operating Expenses $154.6M $176.6M $177.3M
YoY Change -18.24% -0.73% 0.91%
Operating Profit $103.2M $55.63M $45.60M
YoY Change 23.99% 15.19% -12.81%
Interest Expense -$29.50M -$28.70M -$28.40M
YoY Change 9.26% 13.44% 18.33%
% of Operating Profit -28.6% -51.59% -62.28%
Other Income/Expense, Net $2.800M $4.127M $4.100M
YoY Change -63.16% -0.72% 41.38%
Pretax Income $76.50M $31.03M $21.30M
YoY Change 19.91% 14.43% -31.73%
Income Tax -$6.600M $1.697M $2.100M
% Of Pretax Income -8.63% 5.47% 9.86%
Net Earnings $83.14M $29.34M $19.10M
YoY Change 24.65% 7.19% -35.91%
Net Earnings / Revenue 23.35% 9.14% 6.57%
Basic Earnings Per Share $1.37 $0.48 $0.32
Diluted Earnings Per Share $1.37 $0.48 $0.32
COMMON SHARES
Basic Shares Outstanding 61.24M shares 60.44M shares 59.80M shares
Diluted Shares Outstanding 60.48M shares 59.85M shares

Balance Sheet

Concept 2023 Q4 2023 Q3 2023 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments $9.164M $5.100M $7.800M
YoY Change 7.81% -43.96% -3.7%
Cash & Equivalents $9.164M $5.091M $7.800M
Short-Term Investments
Other Short-Term Assets $25.40M $27.65M $94.70M
YoY Change -9.43% -85.08% -36.95%
Inventory $114.5M $119.1M $107.6M
Prepaid Expenses
Receivables $212.3M $148.0M $147.2M
Other Receivables $0.00 $0.00 $0.00
Total Short-Term Assets $407.0M $358.4M $357.2M
YoY Change -24.46% -24.21% -11.43%
LONG-TERM ASSETS
Property, Plant & Equipment $6.040B $5.932B $5.803B
YoY Change 6.76% 7.2% 7.22%
Goodwill $357.6M $357.6M
YoY Change 0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets $52.31M $50.01M $776.9M
YoY Change 10.55% -93.33% 3.91%
Total Long-Term Assets $7.194B $7.071B $6.937B
YoY Change 6.12% 6.47% 6.44%
TOTAL ASSETS
Total Short-Term Assets $407.0M $358.4M $357.2M
Total Long-Term Assets $7.194B $7.071B $6.937B
Total Assets $7.601B $7.429B $7.294B
YoY Change 3.87% 4.43% 5.4%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable $124.3M $119.3M $94.60M
YoY Change -38.29% -19.65% -21.95%
Accrued Expenses $246.2M $315.3M $247.3M
YoY Change -1.76% 4.85% 1.69%
Deferred Revenue
YoY Change
Short-Term Debt $99.95M $0.00 $0.00
YoY Change
Long-Term Debt Due $99.95M $99.90M $103.1M
YoY Change -30.84% -32.27% 3336.67%
Total Short-Term Liabilities $534.9M $569.5M $473.3M
YoY Change -13.84% -7.91% 22.71%
LONG-TERM LIABILITIES
Long-Term Debt $2.685B $2.545B $2.565B
YoY Change 8.5% 5.21% 1.38%
Other Long-Term Liabilities $332.4M $345.7M $1.023B
YoY Change -6.48% -66.17% 0.16%
Total Long-Term Liabilities $3.017B $2.890B $3.588B
YoY Change 6.62% -15.99% 1.03%
TOTAL LIABILITIES
Total Short-Term Liabilities $534.9M $569.5M $473.3M
Total Long-Term Liabilities $3.017B $2.890B $3.588B
Total Liabilities $4.815B $4.689B $4.608B
YoY Change 3.5% 2.45% 3.4%
SHAREHOLDERS EQUITY
Retained Earnings $811.5M $767.4M
YoY Change 5.2%
Common Stock $648.0K $648.0K
YoY Change 2.37%
Preferred Stock
YoY Change
Treasury Stock (at cost) $97.93M $98.12M
YoY Change -0.47%
Treasury Stock Shares
Shareholders Equity $2.785B $2.740B $2.687B
YoY Change
Total Liabilities & Shareholders Equity $7.601B $7.429B $7.294B
YoY Change 3.87% 4.43% 5.4%

Cashflow Statement

Concept 2023 Q4 2023 Q3 2023 Q2
OPERATING ACTIVITIES
Net Income $83.14M $29.34M $19.10M
YoY Change 24.65% 7.19% -35.91%
Depreciation, Depletion And Amortization $52.70M $52.16M $52.40M
YoY Change 6.9% 7.35% 8.71%
Cash From Operating Activities $62.33M $132.8M $80.40M
YoY Change -3068.14% 73.82% 116.13%
INVESTING ACTIVITIES
Capital Expenditures $159.7M $143.8M $126.8M
YoY Change 23.98% -5.33% 6.64%
Acquisitions
YoY Change
Other Investing Activities -$123.0K -$1.400M -$2.400M
YoY Change -84.62% 700.0%
Cash From Investing Activities -$159.8M -$145.2M -$129.2M
YoY Change 23.31% -4.41% 8.3%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities 101.1M 9.900M 45.80M
YoY Change -19.37% -87.32% -40.75%
NET CHANGE
Cash From Operating Activities 62.33M 132.8M 80.40M
Cash From Investing Activities -159.8M -145.2M -129.2M
Cash From Financing Activities 101.1M 9.900M 45.80M
Net Change In Cash 3.624M -2.500M -3.000M
YoY Change -157.52% -196.15% -37.5%
FREE CASH FLOW
Cash From Operating Activities $62.33M $132.8M $80.40M
Capital Expenditures $159.7M $143.8M $126.8M
Free Cash Flow -$97.36M -$11.00M -$46.40M
YoY Change -25.62% -85.43% -43.21%

Facts In Submission

Frame Concept Type Concept / XBRL Key Value Unit
dei Entity Central Index Key
EntityCentralIndexKey
0001993004
dei Current Fiscal Year End Date
CurrentFiscalYearEndDate
--12-31
dei Document Fiscal Year Focus
DocumentFiscalYearFocus
2023
dei Document Fiscal Period Focus
DocumentFiscalPeriodFocus
Q3
dei Amendment Flag
AmendmentFlag
false
dei Entity Incorporation State Country Code
EntityIncorporationStateCountryCode
DE
dei Entity Shell Company
EntityShellCompany
false
dei Document Quarterly Report
DocumentQuarterlyReport
true
dei Entity Registrant Name
EntityRegistrantName
NORTHWESTERN ENERGY GROUP, INC.
dei Entity Tax Identification Number
EntityTaxIdentificationNumber
93-2020320
dei Entity Interactive Data Current
EntityInteractiveDataCurrent
Yes
dei Entity Filer Category
EntityFilerCategory
Large Accelerated Filer
dei Entity Small Business
EntitySmallBusiness
false
dei Entity Emerging Growth Company
EntityEmergingGrowthCompany
false
CY2023Q4 dei Entity Common Stock Shares Outstanding
EntityCommonStockSharesOutstanding
61242238 shares
CY2023Q3 us-gaap Regulated Operating Revenue Electric Non Nuclear
RegulatedOperatingRevenueElectricNonNuclear
280030000 usd
CY2022Q3 us-gaap Regulated Operating Revenue Electric Non Nuclear
RegulatedOperatingRevenueElectricNonNuclear
292270000 usd
us-gaap Regulated Operating Revenue Electric Non Nuclear
RegulatedOperatingRevenueElectricNonNuclear
804604000 usd
us-gaap Regulated Operating Revenue Electric Non Nuclear
RegulatedOperatingRevenueElectricNonNuclear
807415000 usd
CY2023Q3 us-gaap Regulated Operating Revenue Gas
RegulatedOperatingRevenueGas
41060000 usd
CY2022Q3 us-gaap Regulated Operating Revenue Gas
RegulatedOperatingRevenueGas
42798000 usd
us-gaap Regulated Operating Revenue Gas
RegulatedOperatingRevenueGas
261530000 usd
us-gaap Regulated Operating Revenue Gas
RegulatedOperatingRevenueGas
245139000 usd
CY2023Q3 us-gaap Revenues
Revenues
321090000 usd
CY2022Q3 us-gaap Revenues
Revenues
335068000 usd
us-gaap Revenues
Revenues
1066134000 usd
us-gaap Revenues
Revenues
1052554000 usd
CY2023Q3 nwe Utility Operating Expense Fuel Purchased Supply And Direct Transmission Expense
UtilityOperatingExpenseFuelPurchasedSupplyAndDirectTransmissionExpense
88943000 usd
CY2022Q3 nwe Utility Operating Expense Fuel Purchased Supply And Direct Transmission Expense
UtilityOperatingExpenseFuelPurchasedSupplyAndDirectTransmissionExpense
108920000 usd
nwe Utility Operating Expense Fuel Purchased Supply And Direct Transmission Expense
UtilityOperatingExpenseFuelPurchasedSupplyAndDirectTransmissionExpense
322013000 usd
nwe Utility Operating Expense Fuel Purchased Supply And Direct Transmission Expense
UtilityOperatingExpenseFuelPurchasedSupplyAndDirectTransmissionExpense
338994000 usd
CY2023Q3 us-gaap Utilities Operating Expense Maintenance Operations And Other Costs And Expenses
UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses
53240000 usd
CY2022Q3 us-gaap Utilities Operating Expense Maintenance Operations And Other Costs And Expenses
UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses
54654000 usd
us-gaap Utilities Operating Expense Maintenance Operations And Other Costs And Expenses
UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses
163941000 usd
us-gaap Utilities Operating Expense Maintenance Operations And Other Costs And Expenses
UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses
160785000 usd
CY2023Q3 us-gaap General And Administrative Expense
GeneralAndAdministrativeExpense
29355000 usd
CY2022Q3 us-gaap General And Administrative Expense
GeneralAndAdministrativeExpense
28146000 usd
us-gaap General And Administrative Expense
GeneralAndAdministrativeExpense
94058000 usd
us-gaap General And Administrative Expense
GeneralAndAdministrativeExpense
87010000 usd
CY2023Q3 us-gaap Utilities Operating Expense Taxes
UtilitiesOperatingExpenseTaxes
41763000 usd
CY2022Q3 us-gaap Utilities Operating Expense Taxes
UtilitiesOperatingExpenseTaxes
46466000 usd
us-gaap Utilities Operating Expense Taxes
UtilitiesOperatingExpenseTaxes
131043000 usd
us-gaap Utilities Operating Expense Taxes
UtilitiesOperatingExpenseTaxes
140209000 usd
CY2023Q3 us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
52159000 usd
CY2022Q3 us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
48588000 usd
us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
157787000 usd
us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
145705000 usd
CY2023Q3 us-gaap Costs And Expenses
CostsAndExpenses
265460000 usd
CY2022Q3 us-gaap Costs And Expenses
CostsAndExpenses
286774000 usd
us-gaap Costs And Expenses
CostsAndExpenses
868842000 usd
us-gaap Costs And Expenses
CostsAndExpenses
872703000 usd
CY2023Q3 us-gaap Operating Income Loss
OperatingIncomeLoss
55630000 usd
CY2022Q3 us-gaap Operating Income Loss
OperatingIncomeLoss
48294000 usd
us-gaap Operating Income Loss
OperatingIncomeLoss
197292000 usd
us-gaap Operating Income Loss
OperatingIncomeLoss
179851000 usd
CY2023Q3 us-gaap Interest And Debt Expense
InterestAndDebtExpense
28725000 usd
CY2022Q3 us-gaap Interest And Debt Expense
InterestAndDebtExpense
25332000 usd
us-gaap Interest And Debt Expense
InterestAndDebtExpense
85144000 usd
us-gaap Interest And Debt Expense
InterestAndDebtExpense
73081000 usd
CY2023Q3 us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
4127000 usd
CY2022Q3 us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
4157000 usd
us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
12926000 usd
us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
11791000 usd
CY2023Q3 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
31032000 usd
CY2022Q3 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
27119000 usd
us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
125074000 usd
us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
118561000 usd
CY2023Q3 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
1697000 usd
CY2022Q3 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
-249000 usd
us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
14085000 usd
us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
2297000 usd
CY2023Q3 us-gaap Net Income Loss
NetIncomeLoss
29335000 usd
CY2022Q3 us-gaap Net Income Loss
NetIncomeLoss
27368000 usd
us-gaap Net Income Loss
NetIncomeLoss
110989000 usd
CY2023Q3 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
60442000 shares
CY2022Q3 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
56311000 shares
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
60011000 shares
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
54901000 shares
CY2023Q3 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.48
CY2022Q3 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.48
us-gaap Earnings Per Share Basic
EarningsPerShareBasic
1.85
us-gaap Earnings Per Share Basic
EarningsPerShareBasic
2.12
CY2023Q3 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.48
CY2022Q3 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.47
us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
1.85
us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
2.09
CY2023Q3 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.64
CY2022Q3 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.63
us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
1.92
us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
1.89
CY2023Q3 us-gaap Net Income Loss
NetIncomeLoss
29335000 usd
CY2022Q3 us-gaap Net Income Loss
NetIncomeLoss
27368000 usd
us-gaap Net Income Loss
NetIncomeLoss
110989000 usd
us-gaap Net Income Loss
NetIncomeLoss
116264000 usd
CY2023Q3 us-gaap Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent
-7000 usd
CY2022Q3 us-gaap Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent
-4000 usd
us-gaap Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent
-10000 usd
us-gaap Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent
-5000 usd
CY2023Q3 us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
168000 usd
CY2022Q3 us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
158000 usd
us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
502000 usd
us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
474000 usd
CY2023Q3 us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax
-113000 usd
CY2022Q3 us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax
-113000 usd
us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax
-339000 usd
us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax
-339000 usd
CY2023Q3 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-62000 usd
CY2022Q3 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-49000 usd
us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-173000 usd
us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-140000 usd
CY2023Q3 us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
29273000 usd
CY2022Q3 us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
27319000 usd
us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
110816000 usd
us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
116124000 usd
CY2023Q3 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
5091000 usd
CY2022Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
8489000 usd
CY2023Q3 us-gaap Restricted Cash
RestrictedCash
16549000 usd
CY2022Q4 us-gaap Restricted Cash
RestrictedCash
13974000 usd
CY2023Q3 us-gaap Accounts Receivable Net Current
AccountsReceivableNetCurrent
148043000 usd
CY2022Q4 us-gaap Accounts Receivable Net Current
AccountsReceivableNetCurrent
244952000 usd
CY2023Q3 us-gaap Inventory Net
InventoryNet
119080000 usd
CY2022Q4 us-gaap Inventory Net
InventoryNet
107359000 usd
CY2023Q3 us-gaap Regulatory Assets Current
RegulatoryAssetsCurrent
41940000 usd
CY2022Q4 us-gaap Regulatory Assets Current
RegulatoryAssetsCurrent
136009000 usd
CY2023Q3 us-gaap Other Assets Current
OtherAssetsCurrent
27651000 usd
CY2022Q4 us-gaap Other Assets Current
OtherAssetsCurrent
28041000 usd
CY2023Q3 us-gaap Assets Current
AssetsCurrent
358354000 usd
CY2022Q4 us-gaap Assets Current
AssetsCurrent
538824000 usd
CY2023Q3 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
5932179000 usd
CY2022Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
5657480000 usd
CY2023Q3 us-gaap Goodwill
Goodwill
357586000 usd
CY2022Q4 us-gaap Goodwill
Goodwill
357586000 usd
CY2023Q3 us-gaap Regulatory Assets Noncurrent
RegulatoryAssetsNoncurrent
731373000 usd
CY2022Q4 us-gaap Regulatory Assets Noncurrent
RegulatoryAssetsNoncurrent
716570000 usd
CY2023Q3 us-gaap Other Assets Noncurrent
OtherAssetsNoncurrent
50007000 usd
CY2022Q4 us-gaap Other Assets Noncurrent
OtherAssetsNoncurrent
47323000 usd
CY2023Q3 us-gaap Assets
Assets
7429499000 usd
CY2022Q4 us-gaap Assets
Assets
7317783000 usd
CY2023Q3 us-gaap Finance Lease Liability Current
FinanceLeaseLiabilityCurrent
3275000 usd
CY2022Q4 us-gaap Finance Lease Liability Current
FinanceLeaseLiabilityCurrent
3098000 usd
CY2023Q3 us-gaap Long Term Debt Current
LongTermDebtCurrent
99900000 usd
CY2022Q4 us-gaap Long Term Debt Current
LongTermDebtCurrent
144525000 usd
CY2023Q3 us-gaap Accounts Payable Current
AccountsPayableCurrent
119315000 usd
CY2022Q4 us-gaap Accounts Payable Current
AccountsPayableCurrent
201498000 usd
CY2023Q3 us-gaap Accrued Liabilities Current
AccruedLiabilitiesCurrent
315291000 usd
CY2022Q4 us-gaap Accrued Liabilities Current
AccruedLiabilitiesCurrent
250579000 usd
CY2023Q3 us-gaap Regulatory Liability Current
RegulatoryLiabilityCurrent
31733000 usd
CY2022Q4 us-gaap Regulatory Liability Current
RegulatoryLiabilityCurrent
21145000 usd
CY2023Q3 us-gaap Liabilities Current
LiabilitiesCurrent
569514000 usd
CY2022Q4 us-gaap Liabilities Current
LiabilitiesCurrent
620845000 usd
CY2023Q3 us-gaap Finance Lease Liability Noncurrent
FinanceLeaseLiabilityNoncurrent
6327000 usd
CY2022Q4 us-gaap Finance Lease Liability Noncurrent
FinanceLeaseLiabilityNoncurrent
8799000 usd
CY2023Q3 us-gaap Long Term Debt Noncurrent
LongTermDebtNoncurrent
2544522000 usd
CY2022Q4 us-gaap Long Term Debt Noncurrent
LongTermDebtNoncurrent
2474357000 usd
CY2023Q3 us-gaap Deferred Income Tax Liabilities Net
DeferredIncomeTaxLiabilitiesNet
551221000 usd
CY2022Q4 us-gaap Deferred Income Tax Liabilities Net
DeferredIncomeTaxLiabilitiesNet
538983000 usd
CY2023Q3 us-gaap Regulatory Liability Noncurrent
RegulatoryLiabilityNoncurrent
671831000 usd
CY2022Q4 us-gaap Regulatory Liability Noncurrent
RegulatoryLiabilityNoncurrent
654213000 usd
CY2023Q3 us-gaap Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
345670000 usd
CY2022Q4 us-gaap Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
355403000 usd
CY2023Q3 us-gaap Liabilities
Liabilities
4689085000 usd
CY2022Q4 us-gaap Liabilities
Liabilities
4652600000 usd
CY2023Q3 us-gaap Commitments And Contingencies
CommitmentsAndContingencies
usd
CY2022Q4 us-gaap Commitments And Contingencies
CommitmentsAndContingencies
usd
CY2023Q3 us-gaap Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
0.01
CY2023Q3 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
200000000 shares
CY2023Q3 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
64761918 shares
CY2023Q3 us-gaap Common Stock Shares Outstanding
CommonStockSharesOutstanding
61241779 shares
CY2023Q3 us-gaap Preferred Stock Par Or Stated Value Per Share
PreferredStockParOrStatedValuePerShare
0.01
CY2023Q3 us-gaap Preferred Stock Shares Authorized
PreferredStockSharesAuthorized
50000000 shares
CY2023Q3 us-gaap Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
0 shares
CY2023Q3 us-gaap Preferred Stock Shares Issued
PreferredStockSharesIssued
0 shares
CY2023Q3 us-gaap Common Stock Value
CommonStockValue
648000 usd
CY2022Q4 us-gaap Common Stock Value
CommonStockValue
633000 usd
CY2023Q3 us-gaap Treasury Stock Value
TreasuryStockValue
98122000 usd
CY2022Q4 us-gaap Treasury Stock Value
TreasuryStockValue
98392000 usd
CY2023Q3 us-gaap Additional Paid In Capital
AdditionalPaidInCapital
2078554000 usd
CY2022Q4 us-gaap Additional Paid In Capital
AdditionalPaidInCapital
1999376000 usd
CY2023Q3 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
767355000 usd
CY2022Q4 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
771414000 usd
CY2023Q3 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-8021000 usd
CY2022Q4 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-7848000 usd
CY2023Q3 us-gaap Stockholders Equity
StockholdersEquity
2740414000 usd
CY2022Q4 us-gaap Stockholders Equity
StockholdersEquity
2665183000 usd
CY2023Q3 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
7429499000 usd
CY2022Q4 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
7317783000 usd
us-gaap Net Income Loss
NetIncomeLoss
110989000 usd
us-gaap Net Income Loss
NetIncomeLoss
116264000 usd
us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
157787000 usd
us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
145705000 usd
nwe Amortization Of Debt Issue Costs Discount And Deferred Hedge Gain
AmortizationOfDebtIssueCostsDiscountAndDeferredHedgeGain
3997000 usd
nwe Amortization Of Debt Issue Costs Discount And Deferred Hedge Gain
AmortizationOfDebtIssueCostsDiscountAndDeferredHedgeGain
4044000 usd
us-gaap Share Based Compensation
ShareBasedCompensation
5119000 usd
us-gaap Share Based Compensation
ShareBasedCompensation
4324000 usd
us-gaap Increase Decrease In Allowance For Equity Funds Used During Construction
IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction
12530000 usd
us-gaap Increase Decrease In Allowance For Equity Funds Used During Construction
IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction
9983000 usd
us-gaap Gain Loss On Sale Of Other Assets
GainLossOnSaleOfOtherAssets
27000 usd
us-gaap Gain Loss On Sale Of Other Assets
GainLossOnSaleOfOtherAssets
-524000 usd
us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
-13281000 usd
us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
-12127000 usd
us-gaap Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
-96910000 usd
us-gaap Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
-49522000 usd
us-gaap Increase Decrease In Inventories
IncreaseDecreaseInInventories
11721000 usd
us-gaap Increase Decrease In Inventories
IncreaseDecreaseInInventories
48639000 usd
us-gaap Increase Decrease In Other Current Assets
IncreaseDecreaseInOtherCurrentAssets
-389000 usd
us-gaap Increase Decrease In Other Current Assets
IncreaseDecreaseInOtherCurrentAssets
5139000 usd
us-gaap Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
-60815000 usd
us-gaap Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
36064000 usd
us-gaap Increase Decrease In Accrued Liabilities
IncreaseDecreaseInAccruedLiabilities
65058000 usd
us-gaap Increase Decrease In Accrued Liabilities
IncreaseDecreaseInAccruedLiabilities
67636000 usd
us-gaap Increase Decrease In Other Regulatory Assets
IncreaseDecreaseInOtherRegulatoryAssets
-94069000 usd
us-gaap Increase Decrease In Other Regulatory Assets
IncreaseDecreaseInOtherRegulatoryAssets
20788000 usd
us-gaap Increase Decrease In Regulatory Liabilities
IncreaseDecreaseInRegulatoryLiabilities
10588000 usd
us-gaap Increase Decrease In Regulatory Liabilities
IncreaseDecreaseInRegulatoryLiabilities
-6398000 usd
us-gaap Increase Decrease In Other Noncurrent Assets
IncreaseDecreaseInOtherNoncurrentAssets
-1981000 usd
us-gaap Increase Decrease In Other Noncurrent Assets
IncreaseDecreaseInOtherNoncurrentAssets
-8968000 usd
us-gaap Increase Decrease In Other Noncurrent Liabilities
IncreaseDecreaseInOtherNoncurrentLiabilities
-21591000 usd
us-gaap Increase Decrease In Other Noncurrent Liabilities
IncreaseDecreaseInOtherNoncurrentLiabilities
-20707000 usd
us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
426922000 usd
us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
309270000 usd
us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
407170000 usd
us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
386339000 usd
us-gaap Payments To Acquire Investments
PaymentsToAcquireInvestments
3804000 usd
us-gaap Payments To Acquire Investments
PaymentsToAcquireInvestments
914000 usd
us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-410974000 usd
us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-387253000 usd
us-gaap Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
73613000 usd
us-gaap Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
179903000 usd
us-gaap Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
115048000 usd
us-gaap Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
102980000 usd
us-gaap Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
300000000 usd
us-gaap Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
0 usd
us-gaap Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
-2336000 usd
us-gaap Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
-977000 usd
us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
-16771000 usd
us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
87946000 usd
us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
-823000 usd
us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
9963000 usd
CY2022Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
22463000 usd
CY2021Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
18762000 usd
CY2023Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
21640000 usd
CY2022Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
28725000 usd
us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
3204000 usd
us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
9060000 usd
us-gaap Interest Paid Net
InterestPaidNet
64533000 usd
us-gaap Interest Paid Net
InterestPaidNet
60610000 usd
us-gaap Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
43389000 usd
us-gaap Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
26184000 usd
us-gaap Notes Issued1
NotesIssued1
144660000 usd
us-gaap Notes Issued1
NotesIssued1
0 usd
CY2022Q2 us-gaap Stockholders Equity
StockholdersEquity
2464520000 usd
CY2022Q3 us-gaap Net Income Loss
NetIncomeLoss
27368000 usd
CY2022Q3 us-gaap Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
-4000 usd
CY2022Q3 us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax
-113000 usd
CY2022Q3 us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
158000 usd
CY2022Q3 us-gaap Stock Issued During Period Value Share Based Compensation
StockIssuedDuringPeriodValueShareBasedCompensation
2080000 usd
CY2022Q3 us-gaap Stock Issued During Period Value New Issues
StockIssuedDuringPeriodValueNewIssues
78584000 usd
CY2022Q3 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.630
CY2022Q3 us-gaap Dividends Common Stock
DividendsCommonStock
35174000 usd
CY2022Q3 us-gaap Stockholders Equity
StockholdersEquity
2537329000 usd
CY2023Q2 us-gaap Stockholders Equity
StockholdersEquity
2686724000 usd
CY2023Q3 us-gaap Net Income Loss
NetIncomeLoss
29335000 usd
CY2023Q3 us-gaap Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
-7000 usd
CY2023Q3 us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax
-113000 usd
CY2023Q3 us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
168000 usd
CY2023Q3 us-gaap Stock Issued During Period Value Share Based Compensation
StockIssuedDuringPeriodValueShareBasedCompensation
239000 usd
CY2023Q3 us-gaap Stock Issued During Period Value New Issues
StockIssuedDuringPeriodValueNewIssues
63141000 usd
CY2023Q3 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.640
CY2023Q3 us-gaap Dividends Common Stock
DividendsCommonStock
38963000 usd
CY2023Q3 us-gaap Stockholders Equity
StockholdersEquity
2740414000 usd
CY2021Q4 us-gaap Stockholders Equity
StockholdersEquity
2339713000 usd
us-gaap Net Income Loss
NetIncomeLoss
116264000 usd
us-gaap Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
-5000 usd
us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax
-339000 usd
us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
474000 usd
us-gaap Stock Issued During Period Value Share Based Compensation
StockIssuedDuringPeriodValueShareBasedCompensation
5146000 usd
us-gaap Stock Issued During Period Value New Issues
StockIssuedDuringPeriodValueNewIssues
179326000 usd
us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
1.890
us-gaap Dividends Common Stock
DividendsCommonStock
102980000 usd
CY2022Q3 us-gaap Stockholders Equity
StockholdersEquity
2537329000 usd
CY2022Q4 us-gaap Stockholders Equity
StockholdersEquity
2665183000 usd
us-gaap Net Income Loss
NetIncomeLoss
110989000 usd
us-gaap Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
-10000 usd
us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax
-339000 usd
us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
502000 usd
us-gaap Stock Issued During Period Value Share Based Compensation
StockIssuedDuringPeriodValueShareBasedCompensation
4911000 usd
us-gaap Stock Issued During Period Value New Issues
StockIssuedDuringPeriodValueNewIssues
74552000 usd
us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
1.920
us-gaap Dividends Common Stock
DividendsCommonStock
115048000 usd
CY2023Q3 us-gaap Stockholders Equity
StockholdersEquity
2740414000 usd
CY2022Q4 nwe Number Of Customers
NumberOfCustomers
764200 customers
CY2023Q3 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
5091000 usd
CY2022Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
8489000 usd
CY2022Q3 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
9069000 usd
CY2023Q3 us-gaap Restricted Cash
RestrictedCash
16549000 usd
CY2022Q4 us-gaap Restricted Cash
RestrictedCash
13974000 usd
CY2023Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
21640000 usd
CY2023Q3 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
31032000 usd
CY2022Q3 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
27119000 usd
CY2023Q3 us-gaap Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
6516000 usd
CY2023Q3 us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
0.210
CY2022Q3 us-gaap Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
5697000 usd
CY2022Q3 us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
0.210
CY2023Q3 us-gaap Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
121000 usd
CY2023Q3 us-gaap Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
0.004
CY2022Q3 us-gaap Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
145000 usd
CY2022Q3 us-gaap Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
0.005
CY2023Q3 us-gaap Income Tax Reconciliation Deductions Other
IncomeTaxReconciliationDeductionsOther
4189000 usd
CY2023Q3 us-gaap Effective Income Tax Rate Reconciliation Deductions Other
EffectiveIncomeTaxRateReconciliationDeductionsOther
0.135
CY2022Q3 us-gaap Income Tax Reconciliation Deductions Other
IncomeTaxReconciliationDeductionsOther
3374000 usd
CY2022Q3 us-gaap Effective Income Tax Rate Reconciliation Deductions Other
EffectiveIncomeTaxRateReconciliationDeductionsOther
0.124
CY2023Q3 us-gaap Income Tax Reconciliation Tax Credits Other
IncomeTaxReconciliationTaxCreditsOther
1261000 usd
CY2023Q3 us-gaap Effective Income Tax Rate Reconciliation Tax Credits Other
EffectiveIncomeTaxRateReconciliationTaxCreditsOther
0.041
CY2022Q3 us-gaap Income Tax Reconciliation Tax Credits Other
IncomeTaxReconciliationTaxCreditsOther
1668000 usd
CY2022Q3 us-gaap Effective Income Tax Rate Reconciliation Tax Credits Other
EffectiveIncomeTaxRateReconciliationTaxCreditsOther
0.062
CY2023Q3 nwe Effective Income Tax Rate Reconciliation Amortizationof Excess Deferred Taxes
EffectiveIncomeTaxRateReconciliationAmortizationofExcessDeferredTaxes
-323000 usd
CY2023Q3 nwe Effective Income Tax Rate Reconciliation Amortizationof Excess Deferred Taxes Percent
EffectiveIncomeTaxRateReconciliationAmortizationofExcessDeferredTaxesPercent
-0.010
CY2022Q3 nwe Effective Income Tax Rate Reconciliation Amortizationof Excess Deferred Taxes
EffectiveIncomeTaxRateReconciliationAmortizationofExcessDeferredTaxes
-246000 usd
CY2022Q3 nwe Effective Income Tax Rate Reconciliation Amortizationof Excess Deferred Taxes Percent
EffectiveIncomeTaxRateReconciliationAmortizationofExcessDeferredTaxesPercent
-0.009
CY2023Q3 us-gaap Income Tax Reconciliation Prior Year Income Taxes
IncomeTaxReconciliationPriorYearIncomeTaxes
411000 usd
CY2023Q3 us-gaap Effective Income Tax Rate Reconciliation Prior Year Income Taxes
EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes
0.013
CY2022Q3 us-gaap Income Tax Reconciliation Prior Year Income Taxes
IncomeTaxReconciliationPriorYearIncomeTaxes
-926000 usd
CY2022Q3 us-gaap Effective Income Tax Rate Reconciliation Prior Year Income Taxes
EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes
-0.034
CY2023Q3 nwe Income Tax Reconciliation Deductions Accelerated Tax Depreciation Flow Through Adjustment
IncomeTaxReconciliationDeductionsAcceleratedTaxDepreciationFlowThroughAdjustment
-358000 usd
CY2023Q3 nwe Income Tax Reconciliation Accelerated Tax Depreciation Flow Through Adjustment
IncomeTaxReconciliationAcceleratedTaxDepreciationFlowThroughAdjustment
-0.012
CY2022Q3 nwe Income Tax Reconciliation Deductions Accelerated Tax Depreciation Flow Through Adjustment
IncomeTaxReconciliationDeductionsAcceleratedTaxDepreciationFlowThroughAdjustment
-266000 usd
CY2022Q3 nwe Income Tax Reconciliation Accelerated Tax Depreciation Flow Through Adjustment
IncomeTaxReconciliationAcceleratedTaxDepreciationFlowThroughAdjustment
-0.010
CY2023Q3 us-gaap Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
64000 usd
CY2023Q3 us-gaap Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
0.002
CY2022Q3 us-gaap Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
-143000 usd
CY2022Q3 us-gaap Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
-0.005
CY2023Q3 us-gaap Income Tax Reconciliation Other Reconciling Items
IncomeTaxReconciliationOtherReconcilingItems
-4819000 usd
CY2023Q3 us-gaap Effective Income Tax Rate Reconciliation Other Reconciling Items Percent
EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent
-0.155
CY2022Q3 us-gaap Income Tax Reconciliation Other Reconciling Items
IncomeTaxReconciliationOtherReconcilingItems
-5946000 usd
CY2022Q3 us-gaap Effective Income Tax Rate Reconciliation Other Reconciling Items Percent
EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent
-0.219
CY2023Q3 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
1697000 usd
CY2023Q3 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.055
CY2022Q3 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
-249000 usd
CY2022Q3 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
-0.009
us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
125074000 usd
us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
118561000 usd
us-gaap Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
26265000 usd
us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
0.210
us-gaap Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
24897000 usd
us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
0.210
us-gaap Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
1353000 usd
us-gaap Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
0.011
us-gaap Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
976000 usd
us-gaap Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
0.008
us-gaap Income Tax Reconciliation Deductions Other
IncomeTaxReconciliationDeductionsOther
11742000 usd
us-gaap Effective Income Tax Rate Reconciliation Deductions Other
EffectiveIncomeTaxRateReconciliationDeductionsOther
0.094
us-gaap Income Tax Reconciliation Deductions Other
IncomeTaxReconciliationDeductionsOther
13488000 usd
us-gaap Effective Income Tax Rate Reconciliation Deductions Other
EffectiveIncomeTaxRateReconciliationDeductionsOther
0.114
us-gaap Income Tax Reconciliation Tax Credits Other
IncomeTaxReconciliationTaxCreditsOther
5607000 usd
us-gaap Effective Income Tax Rate Reconciliation Tax Credits Other
EffectiveIncomeTaxRateReconciliationTaxCreditsOther
0.045
us-gaap Income Tax Reconciliation Tax Credits Other
IncomeTaxReconciliationTaxCreditsOther
8050000 usd
us-gaap Effective Income Tax Rate Reconciliation Tax Credits Other
EffectiveIncomeTaxRateReconciliationTaxCreditsOther
0.068
nwe Effective Income Tax Rate Reconciliation Amortizationof Excess Deferred Taxes
EffectiveIncomeTaxRateReconciliationAmortizationofExcessDeferredTaxes
-1355000 usd
nwe Effective Income Tax Rate Reconciliation Amortizationof Excess Deferred Taxes Percent
EffectiveIncomeTaxRateReconciliationAmortizationofExcessDeferredTaxesPercent
-0.011
nwe Effective Income Tax Rate Reconciliation Amortizationof Excess Deferred Taxes
EffectiveIncomeTaxRateReconciliationAmortizationofExcessDeferredTaxes
-819000 usd
nwe Effective Income Tax Rate Reconciliation Amortizationof Excess Deferred Taxes Percent
EffectiveIncomeTaxRateReconciliationAmortizationofExcessDeferredTaxesPercent
-0.007
nwe Reduction To Previously Claimed Alternative Minimum Tax Credit Amount
ReductionToPreviouslyClaimedAlternativeMinimumTaxCreditAmount
3186000 usd
nwe Reduction To Previously Claimed Alternative Minimum Tax Credit Percent
ReductionToPreviouslyClaimedAlternativeMinimumTaxCreditPercent
0.025
nwe Reduction To Previously Claimed Alternative Minimum Tax Credit Amount
ReductionToPreviouslyClaimedAlternativeMinimumTaxCreditAmount
0 usd
nwe Reduction To Previously Claimed Alternative Minimum Tax Credit Percent
ReductionToPreviouslyClaimedAlternativeMinimumTaxCreditPercent
0
nwe Income Tax Reconciliation Deductions Accelerated Tax Depreciation Flow Through Adjustment
IncomeTaxReconciliationDeductionsAcceleratedTaxDepreciationFlowThroughAdjustment
-1247000 usd
nwe Income Tax Reconciliation Accelerated Tax Depreciation Flow Through Adjustment
IncomeTaxReconciliationAcceleratedTaxDepreciationFlowThroughAdjustment
-0.010
nwe Income Tax Reconciliation Deductions Accelerated Tax Depreciation Flow Through Adjustment
IncomeTaxReconciliationDeductionsAcceleratedTaxDepreciationFlowThroughAdjustment
-409000 usd
nwe Income Tax Reconciliation Accelerated Tax Depreciation Flow Through Adjustment
IncomeTaxReconciliationAcceleratedTaxDepreciationFlowThroughAdjustment
-0.003
us-gaap Income Tax Reconciliation Prior Year Income Taxes
IncomeTaxReconciliationPriorYearIncomeTaxes
411000 usd
us-gaap Effective Income Tax Rate Reconciliation Prior Year Income Taxes
EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes
0.003
us-gaap Income Tax Reconciliation Prior Year Income Taxes
IncomeTaxReconciliationPriorYearIncomeTaxes
-926000 usd
us-gaap Effective Income Tax Rate Reconciliation Prior Year Income Taxes
EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes
-0.008
us-gaap Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost
IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost
388000 usd
us-gaap Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost
EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost
0.003
us-gaap Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost
IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost
-253000 usd
us-gaap Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost
EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost
-0.002
us-gaap Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
-61000 usd
us-gaap Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
0.001
us-gaap Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
-449000 usd
us-gaap Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
-0.003
us-gaap Income Tax Reconciliation Other Reconciling Items
IncomeTaxReconciliationOtherReconcilingItems
-12180000 usd
us-gaap Effective Income Tax Rate Reconciliation Other Reconciling Items Percent
EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent
-0.097
us-gaap Income Tax Reconciliation Other Reconciling Items
IncomeTaxReconciliationOtherReconcilingItems
-22600000 usd
us-gaap Effective Income Tax Rate Reconciliation Other Reconciling Items Percent
EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent
-0.191
us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
14085000 usd
us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.113
us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
2297000 usd
us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.019
nwe Unrecognized Tax Benefit More Likely Than Not Percentage Threshold
UnrecognizedTaxBenefitMoreLikelyThanNotPercentageThreshold
0.50
CY2023Q3 us-gaap Unrecognized Tax Benefits
UnrecognizedTaxBenefits
29100000 usd
CY2023Q3 us-gaap Unrecognized Tax Benefits That Would Impact Effective Tax Rate
UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
27800000 usd
CY2023Q3 us-gaap Decrease In Unrecognized Tax Benefits Is Reasonably Possible
DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible
17400000 usd
CY2023Q3 nwe Income Tax Benefit From Decrease In Unrecognized Tax Benefits Reasonably Possible By2024
IncomeTaxBenefitFromDecreaseInUnrecognizedTaxBenefitsReasonablyPossibleBy2024
20100000 usd
CY2023Q3 us-gaap Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued
UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
2400000 usd
CY2022Q4 us-gaap Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued
UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
1400000 usd
CY2023Q3 us-gaap Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax
-7000 usd
CY2023Q3 us-gaap Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax
OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax
0 usd
CY2023Q3 us-gaap Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
-7000 usd
CY2022Q3 us-gaap Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax
-4000 usd
CY2022Q3 us-gaap Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax
OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax
0 usd
CY2022Q3 us-gaap Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
-4000 usd
CY2023Q3 us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax
-153000 usd
CY2023Q3 us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax
-40000 usd
CY2023Q3 us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax
-113000 usd
CY2022Q3 us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax
-153000 usd
CY2022Q3 us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax
-40000 usd
CY2022Q3 us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax
-113000 usd
CY2023Q3 us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax
212000 usd
CY2023Q3 us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax
44000 usd
CY2023Q3 us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
168000 usd
CY2022Q3 us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax
212000 usd
CY2022Q3 us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax
54000 usd
CY2022Q3 us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
158000 usd
CY2023Q3 us-gaap Other Comprehensive Income Loss Before Tax
OtherComprehensiveIncomeLossBeforeTax
-66000 usd
CY2023Q3 us-gaap Other Comprehensive Income Loss Tax
OtherComprehensiveIncomeLossTax
-4000 usd
CY2023Q3 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-62000 usd
CY2022Q3 us-gaap Other Comprehensive Income Loss Before Tax
OtherComprehensiveIncomeLossBeforeTax
-63000 usd
CY2022Q3 us-gaap Other Comprehensive Income Loss Tax
OtherComprehensiveIncomeLossTax
-14000 usd
CY2022Q3 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-49000 usd
us-gaap Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax
-10000 usd
us-gaap Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax
OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax
0 usd
us-gaap Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
-10000 usd
us-gaap Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax
-5000 usd
us-gaap Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax
OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax
0 usd
us-gaap Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
-5000 usd
us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax
-459000 usd
us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax
-120000 usd
us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax
-339000 usd
us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax
-459000 usd
us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax
-120000 usd
us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax
-339000 usd
us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax
636000 usd
us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax
134000 usd
us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
502000 usd
us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax
636000 usd
us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax
162000 usd
us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
474000 usd
us-gaap Other Comprehensive Income Loss Before Tax
OtherComprehensiveIncomeLossBeforeTax
-187000 usd
us-gaap Other Comprehensive Income Loss Tax
OtherComprehensiveIncomeLossTax
-14000 usd
us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-173000 usd
us-gaap Other Comprehensive Income Loss Before Tax
OtherComprehensiveIncomeLossBeforeTax
-182000 usd
us-gaap Other Comprehensive Income Loss Tax
OtherComprehensiveIncomeLossTax
-42000 usd
us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-140000 usd
CY2022Q4 us-gaap Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax
AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax
1435000 usd
CY2023Q3 us-gaap Aoci Loss Cash Flow Hedge Cumulative Gain Loss After Tax
AociLossCashFlowHedgeCumulativeGainLossAfterTax
-9486000 usd
CY2022Q4 us-gaap Aoci Loss Cash Flow Hedge Cumulative Gain Loss After Tax
AociLossCashFlowHedgeCumulativeGainLossAfterTax
-9825000 usd
CY2023Q3 us-gaap Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax
AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax
-40000 usd
CY2023Q3 us-gaap Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax
AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax
1425000 usd
CY2022Q4 us-gaap Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax
AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax
-542000 usd
CY2023Q3 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-8021000 usd
CY2022Q4 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-7848000 usd
CY2023Q2 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-7959000 usd
CY2023Q3 us-gaap Other Comprehensive Income Loss Before Reclassifications Net Of Tax
OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
-7000 usd
CY2023Q3 us-gaap Interest Rate Cash Flow Hedge Gain Loss Reclassified To Earnings Net
InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet
113000 usd
CY2023Q3 us-gaap Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax
ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
-168000 usd
CY2023Q3 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-62000 usd
CY2023Q3 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-8021000 usd
CY2022Q2 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-7401000 usd
CY2022Q3 us-gaap Other Comprehensive Income Loss Before Reclassifications Net Of Tax
OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
-4000 usd
CY2022Q3 us-gaap Interest Rate Cash Flow Hedge Gain Loss Reclassified To Earnings Net
InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet
113000 usd
CY2022Q3 us-gaap Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax
ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
-158000 usd
CY2022Q3 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-49000 usd
CY2022Q3 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-7450000 usd
CY2022Q4 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-7848000 usd
us-gaap Other Comprehensive Income Loss Before Reclassifications Net Of Tax
OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
-10000 usd
us-gaap Interest Rate Cash Flow Hedge Gain Loss Reclassified To Earnings Net
InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet
339000 usd
us-gaap Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax
ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
-502000 usd
us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-173000 usd
CY2023Q3 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-8021000 usd
CY2021Q4 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-7310000 usd
us-gaap Other Comprehensive Income Loss Before Reclassifications Net Of Tax
OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
-5000 usd
us-gaap Interest Rate Cash Flow Hedge Gain Loss Reclassified To Earnings Net
InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet
339000 usd
us-gaap Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax
ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
-474000 usd
us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-140000 usd
CY2022Q3 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-7450000 usd
CY2023Q3 us-gaap Revenues
Revenues
321090000 usd
CY2023Q3 nwe Utility Operating Expense Fuel Purchased Supply And Direct Transmission Expense
UtilityOperatingExpenseFuelPurchasedSupplyAndDirectTransmissionExpense
88943000 usd
CY2023Q3 nwe Utility Margin
UtilityMargin
232147000 usd
CY2023Q3 us-gaap Utilities Operating Expense Maintenance Operations And Other Costs And Expenses
UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses
53240000 usd
CY2023Q3 us-gaap General And Administrative Expense
GeneralAndAdministrativeExpense
29355000 usd
CY2023Q3 us-gaap Utilities Operating Expense Taxes
UtilitiesOperatingExpenseTaxes
41763000 usd
CY2023Q3 us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
52159000 usd
CY2023Q3 us-gaap Operating Income Loss
OperatingIncomeLoss
55630000 usd
CY2023Q3 us-gaap Interest And Debt Expense
InterestAndDebtExpense
28725000 usd
CY2023Q3 us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
4127000 usd
CY2023Q3 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
1697000 usd
CY2023Q3 us-gaap Net Income Loss
NetIncomeLoss
29335000 usd
CY2023Q3 us-gaap Assets
Assets
7429499000 usd
CY2023Q3 us-gaap Property Plant And Equipment Additions
PropertyPlantAndEquipmentAdditions
157163000 usd
CY2022Q3 us-gaap Revenues
Revenues
335068000 usd
CY2022Q3 nwe Utility Operating Expense Fuel Purchased Supply And Direct Transmission Expense
UtilityOperatingExpenseFuelPurchasedSupplyAndDirectTransmissionExpense
108920000 usd
CY2022Q3 nwe Utility Margin
UtilityMargin
226148000 usd
CY2022Q3 us-gaap Utilities Operating Expense Maintenance Operations And Other Costs And Expenses
UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses
54654000 usd
CY2022Q3 us-gaap General And Administrative Expense
GeneralAndAdministrativeExpense
28146000 usd
CY2022Q3 us-gaap Utilities Operating Expense Taxes
UtilitiesOperatingExpenseTaxes
46466000 usd
CY2022Q3 us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
48588000 usd
CY2022Q3 us-gaap Operating Income Loss
OperatingIncomeLoss
48294000 usd
CY2022Q3 us-gaap Interest And Debt Expense
InterestAndDebtExpense
25332000 usd
CY2022Q3 us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
4157000 usd
CY2022Q3 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
-249000 usd
CY2022Q3 us-gaap Net Income Loss
NetIncomeLoss
27368000 usd
CY2022Q3 us-gaap Assets
Assets
7114213000 usd
CY2022Q3 us-gaap Property Plant And Equipment Additions
PropertyPlantAndEquipmentAdditions
151901000 usd
us-gaap Revenues
Revenues
1066134000 usd
nwe Utility Operating Expense Fuel Purchased Supply And Direct Transmission Expense
UtilityOperatingExpenseFuelPurchasedSupplyAndDirectTransmissionExpense
322013000 usd
nwe Utility Margin
UtilityMargin
744121000 usd
us-gaap Utilities Operating Expense Maintenance Operations And Other Costs And Expenses
UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses
163941000 usd
us-gaap General And Administrative Expense
GeneralAndAdministrativeExpense
94058000 usd
us-gaap Utilities Operating Expense Taxes
UtilitiesOperatingExpenseTaxes
131043000 usd
us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
157787000 usd
us-gaap Operating Income Loss
OperatingIncomeLoss
197292000 usd
us-gaap Interest And Debt Expense
InterestAndDebtExpense
85144000 usd
us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
12926000 usd
us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
14085000 usd
us-gaap Net Income Loss
NetIncomeLoss
110989000 usd
CY2023Q3 us-gaap Assets
Assets
7429499000 usd
us-gaap Property Plant And Equipment Additions
PropertyPlantAndEquipmentAdditions
420525000 usd
us-gaap Revenues
Revenues
1052554000 usd
nwe Utility Operating Expense Fuel Purchased Supply And Direct Transmission Expense
UtilityOperatingExpenseFuelPurchasedSupplyAndDirectTransmissionExpense
338994000 usd
nwe Utility Margin
UtilityMargin
713560000 usd
us-gaap Utilities Operating Expense Maintenance Operations And Other Costs And Expenses
UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses
160785000 usd
us-gaap General And Administrative Expense
GeneralAndAdministrativeExpense
87010000 usd
us-gaap Utilities Operating Expense Taxes
UtilitiesOperatingExpenseTaxes
140209000 usd
us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
145705000 usd
us-gaap Operating Income Loss
OperatingIncomeLoss
179851000 usd
us-gaap Interest And Debt Expense
InterestAndDebtExpense
73081000 usd
us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
11791000 usd
us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
2297000 usd
us-gaap Net Income Loss
NetIncomeLoss
116264000 usd
CY2022Q3 us-gaap Assets
Assets
7114213000 usd
us-gaap Property Plant And Equipment Additions
PropertyPlantAndEquipmentAdditions
386339000 usd
CY2023Q3 us-gaap Revenue From Contract With Customer Including Assessed Tax
RevenueFromContractWithCustomerIncludingAssessedTax
332300000 usd
CY2022Q3 us-gaap Revenue From Contract With Customer Including Assessed Tax
RevenueFromContractWithCustomerIncludingAssessedTax
307300000 usd
us-gaap Revenue From Contract With Customer Including Assessed Tax
RevenueFromContractWithCustomerIncludingAssessedTax
1169400000 usd
us-gaap Revenue From Contract With Customer Including Assessed Tax
RevenueFromContractWithCustomerIncludingAssessedTax
1039700000 usd
CY2023Q3 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
60442164 shares
CY2022Q3 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
56310526 shares
CY2023Q3 us-gaap Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
35533 shares
CY2022Q3 us-gaap Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
14306 shares
CY2023Q3 us-gaap Incremental Common Shares Attributable To Equity Forward Agreements
IncrementalCommonSharesAttributableToEquityForwardAgreements
0 shares
CY2022Q3 us-gaap Incremental Common Shares Attributable To Equity Forward Agreements
IncrementalCommonSharesAttributableToEquityForwardAgreements
312572 shares
CY2023Q3 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
60477697 shares
CY2022Q3 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
56637404 shares
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
60010609 shares
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
54901161 shares
us-gaap Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
31311 shares
us-gaap Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
20150 shares
us-gaap Incremental Common Shares Attributable To Equity Forward Agreements
IncrementalCommonSharesAttributableToEquityForwardAgreements
0 shares
us-gaap Incremental Common Shares Attributable To Equity Forward Agreements
IncrementalCommonSharesAttributableToEquityForwardAgreements
619361 shares
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
60041920 shares
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
55540672 shares
CY2023Q3 us-gaap Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
32649 shares
us-gaap Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
51829 shares
us-gaap Pension Contributions
PensionContributions
8200000 usd
CY2023Q3 nwe Minimum Expected Future Employer Pension Contributions Remainderof Fiscal Year
MinimumExpectedFutureEmployerPensionContributionsRemainderofFiscalYear
3000000 usd
CY2023Q3 ecd Rule10b51 Arr Adopted Flag
Rule10b51ArrAdoptedFlag
false
CY2023Q3 ecd Rule10b51 Arr Trmntd Flag
Rule10b51ArrTrmntdFlag
false
CY2023Q3 ecd Non Rule10b51 Arr Trmntd Flag
NonRule10b51ArrTrmntdFlag
false
CY2023Q3 ecd Non Rule10b51 Arr Adopted Flag
NonRule10b51ArrAdoptedFlag
false

Files In Submission

Name View Source Status
0001993004-23-000006-index-headers.html Edgar Link pending
0001993004-23-000006-index.html Edgar Link pending
0001993004-23-000006.txt Edgar Link pending
0001993004-23-000006-xbrl.zip Edgar Link pending
a101anorthwesternenergygro.htm Edgar Link pending
a101bnorthwesternenergygro.htm Edgar Link pending
ex311certificationq32023.htm Edgar Link pending
ex312certificationq32023.htm Edgar Link pending
ex313certificationq32023.htm Edgar Link pending
ex314certificationq32023.htm Edgar Link pending
ex321certificationq32023.htm Edgar Link pending
ex322certificationq32023.htm Edgar Link pending
ex323certificationq32023.htm Edgar Link pending
ex324certificationq32023.htm Edgar Link pending
Financial_Report.xlsx Edgar Link pending
FilingSummary.xml Edgar Link unprocessable
MetaLinks.json Edgar Link pending
nwe-20230930.htm Edgar Link pending
nwe-20230930.xsd Edgar Link pending
nwe-20230930_g1.jpg Edgar Link pending
R1.htm Edgar Link pending
R10.htm Edgar Link pending
R11.htm Edgar Link pending
R12.htm Edgar Link pending
R13.htm Edgar Link pending
R14.htm Edgar Link pending
R15.htm Edgar Link pending
R16.htm Edgar Link pending
R17.htm Edgar Link pending
R18.htm Edgar Link pending
R19.htm Edgar Link pending
R2.htm Edgar Link pending
R20.htm Edgar Link pending
R21.htm Edgar Link pending
R22.htm Edgar Link pending
R23.htm Edgar Link pending
R24.htm Edgar Link pending
R25.htm Edgar Link pending
R26.htm Edgar Link pending
R27.htm Edgar Link pending
R28.htm Edgar Link pending
R29.htm Edgar Link pending
R3.htm Edgar Link pending
R30.htm Edgar Link pending
R31.htm Edgar Link pending
R32.htm Edgar Link pending
R33.htm Edgar Link pending
R34.htm Edgar Link pending
R35.htm Edgar Link pending
R36.htm Edgar Link pending
R37.htm Edgar Link pending
R38.htm Edgar Link pending
R39.htm Edgar Link pending
R4.htm Edgar Link pending
R40.htm Edgar Link pending
R41.htm Edgar Link pending
R5.htm Edgar Link pending
R6.htm Edgar Link pending
R7.htm Edgar Link pending
R8.htm Edgar Link pending
R9.htm Edgar Link pending
report.css Edgar Link pending
Show.js Edgar Link pending
nwe-20230930_def.xml Edgar Link unprocessable
nwe-20230930_lab.xml Edgar Link unprocessable
nwe-20230930_htm.xml Edgar Link completed
nwe-20230930_pre.xml Edgar Link unprocessable
nwe-20230930_cal.xml Edgar Link unprocessable