Listed

NorthWestern Energy Group, Inc.

NWENasdaqCIK 1993004UtilitiesFiscal year ends Dec 31

Latest reported revenue, Q2 FY2026$392.6mRevenue, Q2 FY2026, three months to 2026-06-30$392.6m. XBRL concept us-gaap:Revenues. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figureThree months to Jun 30, 2026, from the 10-Q filed Jul 30, 2026.

Latest quarter: Q2 FY2026

Three months to Jun 30, 2026, against the same quarter a year earlier.

  • Revenue$392.6mRevenue, Q2 FY2026, three months to 2026-06-30$392.6m. XBRL concept us-gaap:Revenues. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure+14.6% on a year earlier
  • Gross marginnot reported (Gross profit not reported)No year-earlier figure to compare
  • Operating margin16.4%Operating margin, Q2 FY2026, three months to 2026-06-30. operating income / revenueOperating income: $64.2m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Revenue: $392.6m. XBRL concept us-gaap:Revenues. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure−1.4 pts on a year earlier
  • Net margin6.4%Net margin, Q2 FY2026, three months to 2026-06-30. net income / revenueNet income: $25.0m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Revenue: $392.6m. XBRL concept us-gaap:Revenues. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure+0.2 pts on a year earlier
  • Diluted EPS$0.40Diluted EPS, Q2 FY2026, three months to 2026-06-30$0.40 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure+14.3% on a year earlier
  • Free cash flow−$114.9mFree cash flow, Q2 FY2026, three months to 2026-06-30. operating cash flow − capital expenditureOperating cash flow: $73.8m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-07-30, accession 0001993004-26-000050. Derived: 6-month figure less the 3-month figure.Capital expenditure: $188.7m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-07-30, accession 0001993004-26-000050. Derived: 6-month figure less the 3-month figure.Report this figure−62.6% on a year earlier

Last eight quarters

Full statements
Revenue$392.6mOperating margin 16.4%
Diluted EPS$0.40, Q2 FY2026
Free cash flow−$114.9m, Q2 FY2026
NorthWestern Energy Group, Inc., key figures for the last eight quarters
Line itemUnitQ3 FY20242024-09-30Q4 FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30Q4 FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30Shape over the periods
Revenue$m345Revenue, Q3 FY2024, three months to 2024-09-30$345.2m. XBRL concept us-gaap:Revenues. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Report this figure373Revenue, Q4 FY2024, three months to 2024-12-31$373.5m. XBRL concept us-gaap:Revenues. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure467Revenue, Q1 FY2025, three months to 2025-03-31$466.6m. XBRL concept us-gaap:Revenues. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure343Revenue, Q2 FY2025, three months to 2025-06-30$342.7m. XBRL concept us-gaap:Revenues. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure387Revenue, Q3 FY2025, three months to 2025-09-30$387.0m. XBRL concept us-gaap:Revenues. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Report this figure414Revenue, Q4 FY2025, three months to 2025-12-31$414.3m. XBRL concept us-gaap:Revenues. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure498Revenue, Q1 FY2026, three months to 2026-03-31$497.6m. XBRL concept us-gaap:Revenues. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure393Revenue, Q2 FY2026, three months to 2026-06-30$392.6m. XBRL concept us-gaap:Revenues. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure
Gross margin%not reported (Gross profit not reported)not reported (Gross profit not reported)not reported (Gross profit not reported)not reported (Gross profit not reported)not reported (Gross profit not reported)not reported (Gross profit not reported)not reported (Gross profit not reported)not reported (Gross profit not reported)
Operating margin%19.7%Operating margin, Q3 FY2024, three months to 2024-09-30. operating income / revenueOperating income: $67.9m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Revenue: $345.2m. XBRL concept us-gaap:Revenues. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Report this figure24.6%Operating margin, Q4 FY2024, three months to 2024-12-31. operating income / revenueOperating income: $91.7m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-02-12, accession 0001993004-26-000006.Revenue: $373.5m. XBRL concept us-gaap:Revenues. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure26.7%Operating margin, Q1 FY2025, three months to 2025-03-31. operating income / revenueOperating income: $124.7m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Revenue: $466.6m. XBRL concept us-gaap:Revenues. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure17.7%Operating margin, Q2 FY2025, three months to 2025-06-30. operating income / revenueOperating income: $60.8m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Revenue: $342.7m. XBRL concept us-gaap:Revenues. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure20.7%Operating margin, Q3 FY2025, three months to 2025-09-30. operating income / revenueOperating income: $80.3m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Revenue: $387.0m. XBRL concept us-gaap:Revenues. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Report this figure14.5%Operating margin, Q4 FY2025, three months to 2025-12-31. operating income / revenueOperating income: $60.0m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-02-12, accession 0001993004-26-000006.Revenue: $414.3m. XBRL concept us-gaap:Revenues. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure22.9%Operating margin, Q1 FY2026, three months to 2026-03-31. operating income / revenueOperating income: $114.1m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Revenue: $497.6m. XBRL concept us-gaap:Revenues. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure16.4%Operating margin, Q2 FY2026, three months to 2026-06-30. operating income / revenueOperating income: $64.2m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Revenue: $392.6m. XBRL concept us-gaap:Revenues. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure
Net margin%13.6%Net margin, Q3 FY2024, three months to 2024-09-30. net income / revenueNet income: $46.8m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Revenue: $345.2m. XBRL concept us-gaap:Revenues. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Report this figure21.6%Net margin, Q4 FY2024, three months to 2024-12-31. net income / revenueNet income: $80.6m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-02-12, accession 0001993004-26-000006.Revenue: $373.5m. XBRL concept us-gaap:Revenues. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure16.5%Net margin, Q1 FY2025, three months to 2025-03-31. net income / revenueNet income: $76.9m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Revenue: $466.6m. XBRL concept us-gaap:Revenues. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure6.2%Net margin, Q2 FY2025, three months to 2025-06-30. net income / revenueNet income: $21.2m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Revenue: $342.7m. XBRL concept us-gaap:Revenues. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure9.9%Net margin, Q3 FY2025, three months to 2025-09-30. net income / revenueNet income: $38.2m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Revenue: $387.0m. XBRL concept us-gaap:Revenues. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Report this figure10.8%Net margin, Q4 FY2025, three months to 2025-12-31. net income / revenueNet income: $44.7m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-02-12, accession 0001993004-26-000006.Revenue: $414.3m. XBRL concept us-gaap:Revenues. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure12.8%Net margin, Q1 FY2026, three months to 2026-03-31. net income / revenueNet income: $63.5m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Revenue: $497.6m. XBRL concept us-gaap:Revenues. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure6.4%Net margin, Q2 FY2026, three months to 2026-06-30. net income / revenueNet income: $25.0m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Revenue: $392.6m. XBRL concept us-gaap:Revenues. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure
Diluted EPS$ per share0.76Diluted EPS, Q3 FY2024, three months to 2024-09-30$0.76 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Report this figure1.31Diluted EPS, Q4 FY2024, three months to 2024-12-31$1.31 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure1.25Diluted EPS, Q1 FY2025, three months to 2025-03-31$1.25 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure0.35Diluted EPS, Q2 FY2025, three months to 2025-06-30$0.35 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure0.62Diluted EPS, Q3 FY2025, three months to 2025-09-30$0.62 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Report this figure0.72Diluted EPS, Q4 FY2025, three months to 2025-12-31$0.72 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure1.03Diluted EPS, Q1 FY2026, three months to 2026-03-31$1.03 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure0.40Diluted EPS, Q2 FY2026, three months to 2026-06-30$0.40 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure
Free cash flow$m(33.2)Free cash flow, Q3 FY2024, three months to 2024-09-30. operating cash flow − capital expenditureOperating cash flow: $120.0m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-10-30, accession 0001993004-25-000184. Derived: 9-month figure less the 6-month figure.Capital expenditure: $153.2m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-10-30, accession 0001993004-25-000184. Derived: 9-month figure less the 6-month figure.Report this figure(85.9)Free cash flow, Q4 FY2024, three months to 2024-12-31. operating cash flow − capital expenditureOperating cash flow: $62.8m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-02-12, accession 0001993004-26-000006. Derived: 12-month figure less the 9-month figure.Capital expenditure: $148.7m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-02-12, accession 0001993004-26-000006. Derived: 12-month figure less the 9-month figure.Report this figure61.3Free cash flow, Q1 FY2025, three months to 2025-03-31. operating cash flow − capital expenditureOperating cash flow: $153.4m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Capital expenditure: $92.1m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure(70.6)Free cash flow, Q2 FY2025, three months to 2025-06-30. operating cash flow − capital expenditureOperating cash flow: $58.2m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-07-30, accession 0001993004-26-000050. Derived: 6-month figure less the 3-month figure.Capital expenditure: $128.9m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-07-30, accession 0001993004-26-000050. Derived: 6-month figure less the 3-month figure.Report this figure(26.9)Free cash flow, Q3 FY2025, three months to 2025-09-30. operating cash flow − capital expenditureOperating cash flow: $126.7m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-10-30, accession 0001993004-25-000184. Derived: 9-month figure less the 6-month figure.Capital expenditure: $153.6m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-10-30, accession 0001993004-25-000184. Derived: 9-month figure less the 6-month figure.Report this figure(93.7)Free cash flow, Q4 FY2025, three months to 2025-12-31. operating cash flow − capital expenditureOperating cash flow: $56.2m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-02-12, accession 0001993004-26-000006. Derived: 12-month figure less the 9-month figure.Capital expenditure: $149.9m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-02-12, accession 0001993004-26-000006. Derived: 12-month figure less the 9-month figure.Report this figure43.3Free cash flow, Q1 FY2026, three months to 2026-03-31. operating cash flow − capital expenditureOperating cash flow: $159.4m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Capital expenditure: $116.1m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure(115)Free cash flow, Q2 FY2026, three months to 2026-06-30. operating cash flow − capital expenditureOperating cash flow: $73.8m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-07-30, accession 0001993004-26-000050. Derived: 6-month figure less the 3-month figure.Capital expenditure: $188.7m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-07-30, accession 0001993004-26-000050. Derived: 6-month figure less the 3-month figure.Report this figure

Focus or hover a figure to see its XBRL concept, period and filing; each links to that filing. A figure marked d is derived: a quarter computed from year-to-date figures, such as the fourth quarter as the fiscal year less the nine months before it. A ratio reads not reported when any input is missing.

Last five fiscal years

Revenue$1.61bnOperating margin 20.2%
Diluted EPS$2.94, FY2025
Free cash flow−$130.0m, FY2025
NorthWestern Energy Group, Inc., key figures for the last five fiscal years
Line itemUnitFY2021-12-31FY2022-12-31FY20232023-12-31FY20242024-12-31FY20252025-12-31Shape over the periods
Revenue$m1,372Revenue, period not labelled, twelve months to 2021-12-31$1.37bn. XBRL concept us-gaap:Revenues. 10-K filed 2024-02-15, accession 0001993004-24-000006.Report this figure1,478Revenue, period not labelled, twelve months to 2022-12-31$1.48bn. XBRL concept us-gaap:Revenues. 10-K filed 2025-02-13, accession 0001993004-25-000021.Report this figure1,422Revenue, FY2023, twelve months to 2023-12-31$1.42bn. XBRL concept us-gaap:Revenues. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure1,514Revenue, FY2024, twelve months to 2024-12-31$1.51bn. XBRL concept us-gaap:Revenues. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure1,611Revenue, FY2025, twelve months to 2025-12-31$1.61bn. XBRL concept us-gaap:Revenues. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure
Gross margin%not reported (Gross profit not reported)not reported (Gross profit not reported)not reported (Gross profit not reported)not reported (Gross profit not reported)not reported (Gross profit not reported)
Operating margin%20.1%Operating margin, period not labelled, twelve months to 2021-12-31. operating income / revenueOperating income: $275.7m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2024-02-15, accession 0001993004-24-000006.Revenue: $1.37bn. XBRL concept us-gaap:Revenues. 10-K filed 2024-02-15, accession 0001993004-24-000006.Report this figure17.8%Operating margin, period not labelled, twelve months to 2022-12-31. operating income / revenueOperating income: $263.1m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2025-02-13, accession 0001993004-25-000021.Revenue: $1.48bn. XBRL concept us-gaap:Revenues. 10-K filed 2025-02-13, accession 0001993004-25-000021.Report this figure21.1%Operating margin, FY2023, twelve months to 2023-12-31. operating income / revenueOperating income: $300.5m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-02-12, accession 0001993004-26-000006.Revenue: $1.42bn. XBRL concept us-gaap:Revenues. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure21.4%Operating margin, FY2024, twelve months to 2024-12-31. operating income / revenueOperating income: $323.3m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-02-12, accession 0001993004-26-000006.Revenue: $1.51bn. XBRL concept us-gaap:Revenues. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure20.2%Operating margin, FY2025, twelve months to 2025-12-31. operating income / revenueOperating income: $325.8m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-02-12, accession 0001993004-26-000006.Revenue: $1.61bn. XBRL concept us-gaap:Revenues. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure
Net margin%13.6%Net margin, period not labelled, twelve months to 2021-12-31. net income / revenueNet income: $186.8m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2024-02-15, accession 0001993004-24-000006.Revenue: $1.37bn. XBRL concept us-gaap:Revenues. 10-K filed 2024-02-15, accession 0001993004-24-000006.Report this figure12.4%Net margin, period not labelled, twelve months to 2022-12-31. net income / revenueNet income: $183.0m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2025-02-13, accession 0001993004-25-000021.Revenue: $1.48bn. XBRL concept us-gaap:Revenues. 10-K filed 2025-02-13, accession 0001993004-25-000021.Report this figure13.7%Net margin, FY2023, twelve months to 2023-12-31. net income / revenueNet income: $194.1m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-02-12, accession 0001993004-26-000006.Revenue: $1.42bn. XBRL concept us-gaap:Revenues. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure14.8%Net margin, FY2024, twelve months to 2024-12-31. net income / revenueNet income: $224.1m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-02-12, accession 0001993004-26-000006.Revenue: $1.51bn. XBRL concept us-gaap:Revenues. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure11.2%Net margin, FY2025, twelve months to 2025-12-31. net income / revenueNet income: $181.1m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-02-12, accession 0001993004-26-000006.Revenue: $1.61bn. XBRL concept us-gaap:Revenues. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure
Diluted EPS$ per share3.60Diluted EPS, period not labelled, twelve months to 2021-12-31$3.60 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2024-02-15, accession 0001993004-24-000006.Report this figure3.25Diluted EPS, period not labelled, twelve months to 2022-12-31$3.25 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2025-02-13, accession 0001993004-25-000021.Report this figure3.22Diluted EPS, FY2023, twelve months to 2023-12-31$3.22 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure3.65Diluted EPS, FY2024, twelve months to 2024-12-31$3.65 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure2.94Diluted EPS, FY2025, twelve months to 2025-12-31$2.94 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure
Free cash flow$m(214)Free cash flow, period not labelled, twelve months to 2021-12-31. operating cash flow − capital expenditureOperating cash flow: $220.0m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2024-02-15, accession 0001993004-24-000006.Capital expenditure: $434.3m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2024-02-15, accession 0001993004-24-000006.Report this figure(208)Free cash flow, period not labelled, twelve months to 2022-12-31. operating cash flow − capital expenditureOperating cash flow: $307.2m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2025-02-13, accession 0001993004-25-000021.Capital expenditure: $515.1m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2025-02-13, accession 0001993004-25-000021.Report this figure(77.7)Free cash flow, FY2023, twelve months to 2023-12-31. operating cash flow − capital expenditureOperating cash flow: $489.2m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-02-12, accession 0001993004-26-000006.Capital expenditure: $566.9m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure(143)Free cash flow, FY2024, twelve months to 2024-12-31. operating cash flow − capital expenditureOperating cash flow: $406.7m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-02-12, accession 0001993004-26-000006.Capital expenditure: $549.2m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure(130)Free cash flow, FY2025, twelve months to 2025-12-31. operating cash flow − capital expenditureOperating cash flow: $394.5m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-02-12, accession 0001993004-26-000006.Capital expenditure: $524.5m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure

Focus or hover a figure to see its XBRL concept, period and filing; each links to that filing. A figure marked d is derived: a quarter computed from year-to-date figures, such as the fourth quarter as the fiscal year less the nine months before it. A ratio reads not reported when any input is missing.

Insider purchases and sales

All insider transactions

The last 20 open-market transactions reported on Form 4 (codes P and S). The reported price is the price per share the insider stated on the form: filing data, not a market price.

No open-market purchases or sales by insiders are in coverage from Nov 2024 to Oct 2026.

No open-market purchases or sales by insiders are in coverage for this company.

Funds that report holding it

All funds

From each manager's latest Form 13F, largest reported value first. Reported value is as filed at the quarter end: filing data, not a price. A put or call is an option position, not shares held.

Funds that report holding NorthWestern Energy Group, Inc.
FundQuarter endedReported valueSharesPut or callChange on the quarter before
BlackRock, Inc.2026-06-30$649.6m9,070,752Added+789,222
VANGUARD PORTFOLIO MANAGEMENT LLC2026-06-30$254.2m3,548,697Added+58,960
VANGUARD CAPITAL MANAGEMENT LLC2026-06-30$199.8m2,790,136Added+7,429
STATE STREET CORP2026-06-30$174.1m2,431,546Added+96,465
GEODE CAPITAL MANAGEMENT, LLC2026-06-30$128.1m1,788,900Added+94,546
FRANKLIN RESOURCES INC2026-06-30$113.3m1,581,525Reduced−40,442
NEUBERGER BERMAN GROUP LLC2026-06-30$97.3m1,357,486Added+82,960
Balyasny Asset Management L.P.2026-06-30$92.1m1,285,897Added+375,337
AMERICAN CENTURY COMPANIES INC2026-06-30$88.7m1,238,268Reduced−319,599
SYSTEMATIC FINANCIAL MANAGEMENT LP2026-06-30$80.4m1,121,956Reduced−10,109

Recent filings

All 295 filings

Reports and events: 10-K, 10-Q, 8-K, proxy statements and ownership schedules.

NorthWestern Energy Group, Inc., recent filings
FiledFormWhat it isAccession number
2026-09-0914:24 ET8-K7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits0001993004-26-000054
2026-07-3011:14 ET8-K2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits0001993004-26-000052
2026-07-3022:19 ET10-QQuarterly reportPeriod 2026-06-300001993004-26-000050
2026-06-2214:47 ET8-K1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits0001993004-26-000046
2026-06-0211:22 ET8-K1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits0001993004-26-000044
2026-06-0211:14 ET8-K7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits0001993004-26-000042
2026-05-2711:05 ET8-K7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits0001993004-26-000038
2026-05-1814:23 ET8-K7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits0001993004-26-000035
2026-05-0514:33 ET8-K5.07 Shareholder vote results; 9.01 Financial statements and exhibits0001993004-26-000033
2026-04-3015:19 ET8-K2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits0001993004-26-000031

Latest annual report

Form 10-K for the fiscal year ended Dec 31, 2025Filed Feb 12, 2026. Its page lists the documents and the extracted sections, such as Business and Risk factors.

Forecast league

Q3 FY2026, the quarter ended 2026-09-30, is open for forecasts until the first results filing for it is accepted by EDGAR. Results are due by [object Promise].Forecast this quarter

About the filer

CIK
1993004
Tickers
NWE
Exchange
Nasdaq
SIC code
4931 Electric & Other Services Combined
Sector
Utilities
Fiscal year ends
Dec 31
Incorporated in
DE
Filer category
Large accelerated filer

Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 24, 2026, 15:50 ET. Listed shows no prices and gives no investment advice.