Listed

NorthWestern Energy Group, Inc.

NWENasdaqCIK 1993004UtilitiesFiscal year ends Dec 31

Standardized line items from XBRL company facts, the last twelve quarters. Negative values are in parentheses. A figure marked d is derived from year-to-date figures.

Income statement

Revenue$392.6m, Q2 FY2026
Operating income$64.2m, Q2 FY2026
Net income$25.0m, Q2 FY2026
NorthWestern Energy Group, Inc., income statement, quarterly
Line itemUnitQ3 FY20232023-09-30Q4 FY20232023-12-31Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30Q4 FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30Q4 FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30
Revenue$m321Revenue, Q3 FY2023, three months to 2023-09-30$321.1m. XBRL concept us-gaap:Revenues. 10-Q filed 2024-10-29, accession 0001993004-24-000102.Report this figure356Revenue, Q4 FY2023, three months to 2023-12-31$356.0m. XBRL concept us-gaap:Revenues. 10-K filed 2025-02-13, accession 0001993004-25-000021.Report this figure475Revenue, Q1 FY2024, three months to 2024-03-31$475.3m. XBRL concept us-gaap:Revenues. 10-Q filed 2025-04-30, accession 0001993004-25-000084.Report this figure320Revenue, Q2 FY2024, three months to 2024-06-30$319.9m. XBRL concept us-gaap:Revenues. 10-Q filed 2025-07-31, accession 0001993004-25-000121.Report this figure345Revenue, 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$392.6m. XBRL concept us-gaap:Revenues. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure
Operating income$m55.6Operating income, Q3 FY2023, three months to 2023-09-30$55.6m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2024-10-29, accession 0001993004-24-000102.Report this figure103Operating income, Q4 FY2023, three months to 2023-12-31$103.2m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2025-02-13, accession 0001993004-25-000021.Report this figure102Operating income, Q1 FY2024, three months to 2024-03-31$102.1m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-04-30, accession 0001993004-25-000084.Report this figure61.6Operating income, Q2 FY2024, three months to 2024-06-30$61.6m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-07-31, accession 0001993004-25-000121.Report this figure67.9Operating income, Q3 FY2024, three months to 2024-09-30$67.9m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Report this figure91.7Operating income, Q4 FY2024, three months to 2024-12-31$91.7m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure125Operating income, Q1 FY2025, three months to 2025-03-31$124.7m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure60.8Operating income, Q2 FY2025, three months to 2025-06-30$60.8m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure80.3Operating income, Q3 FY2025, three months to 2025-09-30$80.3m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Report this figure60.0Operating income, Q4 FY2025, three months to 2025-12-31$60.0m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure114Operating income, Q1 FY2026, three months to 2026-03-31$114.1m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure64.2Operating income, Q2 FY2026, three months to 2026-06-30$64.2m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure
Income tax$m1.7Income tax, Q3 FY2023, three months to 2023-09-30$1.7m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2024-10-29, accession 0001993004-24-000102.Report this figure(6.5)Income tax, Q4 FY2023, three months to 2023-12-31−$6.5m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-K filed 2026-02-12, accession 0001993004-26-000006. Derived: 12-month figure less the 9-month figure.Report this figure10.3Income tax, Q1 FY2024, three months to 2024-03-31$10.3m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2025-04-30, accession 0001993004-25-000084.Report this figure4.2Income tax, Q2 FY2024, three months to 2024-06-30$4.2m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2025-07-31, accession 0001993004-25-000121.Report this figure(3.2)Income tax, Q3 FY2024, three months to 2024-09-30−$3.2m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Report this figure(20.8)Income tax, Q4 FY2024, three months to 2024-12-31−$20.8m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-K filed 2026-02-12, accession 0001993004-26-000006. Derived: 12-month figure less the 9-month figure.Report this figure15.2Income tax, Q1 FY2025, three months to 2025-03-31$15.2m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure3.4Income tax, Q2 FY2025, three months to 2025-06-30$3.4m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure8.8Income tax, Q3 FY2025, three months to 2025-09-30$8.8m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Report this figure(20.9)Income tax, Q4 FY2025, three months to 2025-12-31−$20.9m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-K filed 2026-02-12, accession 0001993004-26-000006. Derived: 12-month figure less the 9-month figure.Report this figure13.8Income tax, Q1 FY2026, three months to 2026-03-31$13.8m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure3.5Income tax, Q2 FY2026, three months to 2026-06-30$3.5m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure
Net income$m29.3Net income, Q3 FY2023, three months to 2023-09-30$29.3m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2024-10-29, accession 0001993004-24-000102.Report this figure83.1Net income, Q4 FY2023, three months to 2023-12-31$83.1m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2025-02-13, accession 0001993004-25-000021.Report this figure65.1Net income, Q1 FY2024, three months to 2024-03-31$65.1m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-04-30, accession 0001993004-25-000084.Report this figure31.7Net income, Q2 FY2024, three months to 2024-06-30$31.7m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-07-31, accession 0001993004-25-000121.Report this figure46.8Net income, Q3 FY2024, three months to 2024-09-30$46.8m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Report this figure80.6Net income, Q4 FY2024, three months to 2024-12-31$80.6m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure76.9Net income, Q1 FY2025, three months to 2025-03-31$76.9m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure21.2Net income, Q2 FY2025, three months to 2025-06-30$21.2m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure38.2Net income, Q3 FY2025, three months to 2025-09-30$38.2m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Report this figure44.7Net income, Q4 FY2025, three months to 2025-12-31$44.7m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure63.5Net income, Q1 FY2026, three months to 2026-03-31$63.5m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure25.0Net income, Q2 FY2026, three months to 2026-06-30$25.0m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure
Diluted EPS$ per share0.48Diluted EPS, Q3 FY2023, three months to 2023-09-30$0.48 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2024-10-29, accession 0001993004-24-000102.Report this figure1.37Diluted EPS, Q4 FY2023, three months to 2023-12-31$1.37 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2025-02-13, accession 0001993004-25-000021.Report this figure1.06Diluted EPS, Q1 FY2024, three months to 2024-03-31$1.06 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-04-30, accession 0001993004-25-000084.Report this figure0.52Diluted EPS, Q2 FY2024, three months to 2024-06-30$0.52 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-07-31, accession 0001993004-25-000121.Report this figure0.76Diluted 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$0.40 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure
Basic EPS$ per share0.48Basic EPS, Q3 FY2023, three months to 2023-09-30$0.48 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2024-10-29, accession 0001993004-24-000102.Report this figure1.37Basic EPS, Q4 FY2023, three months to 2023-12-31$1.37 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-K filed 2025-02-13, accession 0001993004-25-000021.Report this figure1.06Basic EPS, Q1 FY2024, three months to 2024-03-31$1.06 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-04-30, accession 0001993004-25-000084.Report this figure0.52Basic EPS, Q2 FY2024, three months to 2024-06-30$0.52 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-07-31, accession 0001993004-25-000121.Report this figure0.76Basic EPS, Q3 FY2024, three months to 2024-09-30$0.76 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Report this figure1.32Basic EPS, Q4 FY2024, three months to 2024-12-31$1.32 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure1.25Basic EPS, Q1 FY2025, three months to 2025-03-31$1.25 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure0.35Basic EPS, Q2 FY2025, three months to 2025-06-30$0.35 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure0.62Basic EPS, Q3 FY2025, three months to 2025-09-30$0.62 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Report this figure0.73Basic EPS, Q4 FY2025, three months to 2025-12-31$0.73 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure1.03Basic EPS, Q1 FY2026, three months to 2026-03-31$1.03 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure0.41Basic EPS, Q2 FY2026, three months to 2026-06-30$0.41 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure

Balance sheet

Cash and equivalents$4.2m, Q2 FY2026
Long-term debt$3.44bn, Q2 FY2026
Shareholders' equity$2.90bn, Q2 FY2026
NorthWestern Energy Group, Inc., balance sheet, quarterly
Line itemUnitQ3 FY20232023-09-30FY20232023-12-31Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30
Cash and equivalents$m5.1Cash and equivalents, Q3 FY2023, at 2023-09-30$5.1m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2024-10-29, accession 0001993004-24-000102.Report this figure9.2Cash and equivalents, FY2023, at 2023-12-31$9.2m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure4.2Cash and equivalents, Q1 FY2024, at 2024-03-31$4.2m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2025-04-30, accession 0001993004-25-000084.Report this figure6.4Cash and equivalents, Q2 FY2024, at 2024-06-30$6.4m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2025-07-31, accession 0001993004-25-000121.Report this figure2.5Cash and equivalents, Q3 FY2024, at 2024-09-30$2.5m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Report this figure4.3Cash and equivalents, FY2024, at 2024-12-31$4.3m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure56.0Cash and equivalents, Q1 FY2025, at 2025-03-31$56.0m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure2.9Cash and equivalents, Q2 FY2025, at 2025-06-30$2.9m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure6.2Cash and equivalents, Q3 FY2025, at 2025-09-30$6.2m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Report this figure8.8Cash and equivalents, FY2025, at 2025-12-31$8.8m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure5.9Cash and equivalents, Q1 FY2026, at 2026-03-31$5.9m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure4.2Cash and equivalents, Q2 FY2026, at 2026-06-30$4.2m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure
Current assets$m358Current assets, Q3 FY2023, at 2023-09-30$358.4m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2023-10-27, accession 0001993004-23-000006.Report this figure407Current assets, FY2023, at 2023-12-31$407.0m. XBRL concept us-gaap:AssetsCurrent. 10-K filed 2025-02-13, accession 0001993004-25-000021.Report this figure397Current assets, Q1 FY2024, at 2024-03-31$396.8m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2024-04-26, accession 0001993004-24-000035.Report this figure364Current assets, Q2 FY2024, at 2024-06-30$364.0m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2024-07-31, accession 0001993004-24-000072.Report this figure368Current assets, Q3 FY2024, at 2024-09-30$368.4m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2024-10-29, accession 0001993004-24-000102.Report this figure418Current assets, FY2024, at 2024-12-31$418.2m. XBRL concept us-gaap:AssetsCurrent. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure473Current assets, Q1 FY2025, at 2025-03-31$472.8m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2025-04-30, accession 0001993004-25-000084.Report this figure403Current assets, Q2 FY2025, at 2025-06-30$403.1m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2025-07-31, accession 0001993004-25-000121.Report this figure444Current assets, Q3 FY2025, at 2025-09-30$443.9m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Report this figure504Current assets, FY2025, at 2025-12-31$503.9m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure513Current assets, Q1 FY2026, at 2026-03-31$513.2m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure482Current assets, Q2 FY2026, at 2026-06-30$481.6m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure
Total assets$m7,429Total assets, Q3 FY2023, at 2023-09-30$7.43bn. XBRL concept us-gaap:Assets. 10-Q filed 2024-10-29, accession 0001993004-24-000102.Report this figure7,601Total assets, FY2023, at 2023-12-31$7.60bn. XBRL concept us-gaap:Assets. 10-K filed 2025-02-13, accession 0001993004-25-000021.Report this figure7,633Total assets, Q1 FY2024, at 2024-03-31$7.63bn. XBRL concept us-gaap:Assets. 10-Q filed 2024-04-26, accession 0001993004-24-000035.Report this figure7,714Total assets, Q2 FY2024, at 2024-06-30$7.71bn. XBRL concept us-gaap:Assets. 10-Q filed 2024-07-31, accession 0001993004-24-000072.Report this figure7,854Total assets, Q3 FY2024, at 2024-09-30$7.85bn. XBRL concept us-gaap:Assets. 10-Q filed 2024-10-29, accession 0001993004-24-000102.Report this figure7,998Total assets, FY2024, at 2024-12-31$8.00bn. XBRL concept us-gaap:Assets. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure8,101Total assets, Q1 FY2025, at 2025-03-31$8.10bn. XBRL concept us-gaap:Assets. 10-Q filed 2025-04-30, accession 0001993004-25-000084.Report this figure8,136Total assets, Q2 FY2025, at 2025-06-30$8.14bn. XBRL concept us-gaap:Assets. 10-Q filed 2025-07-31, accession 0001993004-25-000121.Report this figure8,299Total assets, Q3 FY2025, at 2025-09-30$8.30bn. XBRL concept us-gaap:Assets. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Report this figure8,460Total assets, FY2025, at 2025-12-31$8.46bn. XBRL concept us-gaap:Assets. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure8,583Total assets, Q1 FY2026, at 2026-03-31$8.58bn. XBRL concept us-gaap:Assets. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure8,704Total assets, Q2 FY2026, at 2026-06-30$8.70bn. XBRL concept us-gaap:Assets. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure
Current liabilities$m570Current liabilities, Q3 FY2023, at 2023-09-30$569.5m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2023-10-27, accession 0001993004-23-000006.Report this figure535Current liabilities, FY2023, at 2023-12-31$534.9m. XBRL concept us-gaap:LiabilitiesCurrent. 10-K filed 2025-02-13, accession 0001993004-25-000021.Report this figure445Current liabilities, Q1 FY2024, at 2024-03-31$444.7m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2024-04-26, accession 0001993004-24-000035.Report this figure700Current liabilities, Q2 FY2024, at 2024-06-30$699.8m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2024-07-31, accession 0001993004-24-000072.Report this figure813Current liabilities, Q3 FY2024, at 2024-09-30$813.3m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2024-10-29, accession 0001993004-24-000102.Report this figure802Current liabilities, FY2024, at 2024-12-31$802.2m. XBRL concept us-gaap:LiabilitiesCurrent. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure398Current liabilities, Q1 FY2025, at 2025-03-31$397.6m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2025-04-30, accession 0001993004-25-000084.Report this figure537Current liabilities, Q2 FY2025, at 2025-06-30$537.4m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2025-07-31, accession 0001993004-25-000121.Report this figure685Current liabilities, Q3 FY2025, at 2025-09-30$684.6m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Report this figure697Current liabilities, FY2025, at 2025-12-31$697.5m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure731Current liabilities, Q1 FY2026, at 2026-03-31$730.9m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure583Current liabilities, Q2 FY2026, at 2026-06-30$583.0m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure
Total liabilities$m4,689Total liabilities, Q3 FY2023, at 2023-09-30$4.69bn. XBRL concept us-gaap:Liabilities. 10-Q filed 2023-10-27, accession 0001993004-23-000006.Report this figure4,815Total liabilities, FY2023, at 2023-12-31$4.82bn. XBRL concept us-gaap:Liabilities. 10-K filed 2025-02-13, accession 0001993004-25-000021.Report this figure4,820Total liabilities, Q1 FY2024, at 2024-03-31$4.82bn. XBRL concept us-gaap:Liabilities. 10-Q filed 2024-04-26, accession 0001993004-24-000035.Report this figure4,907Total liabilities, Q2 FY2024, at 2024-06-30$4.91bn. XBRL concept us-gaap:Liabilities. 10-Q filed 2024-07-31, accession 0001993004-24-000072.Report this figure5,038Total liabilities, Q3 FY2024, at 2024-09-30$5.04bn. XBRL concept us-gaap:Liabilities. 10-Q filed 2024-10-29, accession 0001993004-24-000102.Report this figure5,140Total liabilities, FY2024, at 2024-12-31$5.14bn. XBRL concept us-gaap:Liabilities. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure5,205Total liabilities, Q1 FY2025, at 2025-03-31$5.21bn. XBRL concept us-gaap:Liabilities. 10-Q filed 2025-04-30, accession 0001993004-25-000084.Report this figure5,256Total liabilities, Q2 FY2025, at 2025-06-30$5.26bn. XBRL concept us-gaap:Liabilities. 10-Q filed 2025-07-31, accession 0001993004-25-000121.Report this figure5,419Total liabilities, Q3 FY2025, at 2025-09-30$5.42bn. XBRL concept us-gaap:Liabilities. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Report this figure5,574Total liabilities, FY2025, at 2025-12-31$5.57bn. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure5,674Total liabilities, Q1 FY2026, at 2026-03-31$5.67bn. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure5,808Total liabilities, Q2 FY2026, at 2026-06-30$5.81bn. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure
Long-term debt$m2,545Long-term debt, Q3 FY2023, at 2023-09-30$2.54bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2023-10-27, accession 0001993004-23-000006.Report this figure2,685Long-term debt, FY2023, at 2023-12-31$2.68bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-K filed 2025-02-13, accession 0001993004-25-000021.Report this figure2,767Long-term debt, Q1 FY2024, at 2024-03-31$2.77bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2024-04-26, accession 0001993004-24-000035.Report this figure2,570Long-term debt, Q2 FY2024, at 2024-06-30$2.57bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2024-07-31, accession 0001993004-24-000072.Report this figure2,568Long-term debt, Q3 FY2024, at 2024-09-30$2.57bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2024-10-29, accession 0001993004-24-000102.Report this figure2,695Long-term debt, FY2024, at 2024-12-31$2.70bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure3,131Long-term debt, Q1 FY2025, at 2025-03-31$3.13bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2025-04-30, accession 0001993004-25-000084.Report this figure3,030Long-term debt, Q2 FY2025, at 2025-06-30$3.03bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2025-07-31, accession 0001993004-25-000121.Report this figure3,044Long-term debt, Q3 FY2025, at 2025-09-30$3.04bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Report this figure3,181Long-term debt, FY2025, at 2025-12-31$3.18bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure3,178Long-term debt, Q1 FY2026, at 2026-03-31$3.18bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure3,442Long-term debt, Q2 FY2026, at 2026-06-30$3.44bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure
Current portion of debt$m99.9Current portion of debt, Q3 FY2023, at 2023-09-30$99.9m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2023-10-27, accession 0001993004-23-000006.Report this figure100.0Current portion of debt, FY2023, at 2023-12-31$100.0m. XBRL concept us-gaap:LongTermDebtCurrent. 10-K filed 2025-02-13, accession 0001993004-25-000021.Report this figure0.0Current portion of debt, Q1 FY2024, at 2024-03-31$0. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2024-04-26, accession 0001993004-24-000035.Report this figure225Current portion of debt, Q2 FY2024, at 2024-06-30$224.9m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2024-07-31, accession 0001993004-24-000072.Report this figure300Current portion of debt, Q3 FY2024, at 2024-09-30$299.9m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2024-10-29, accession 0001993004-24-000102.Report this figure300Current portion of debt, FY2024, at 2024-12-31$299.9m. XBRL concept us-gaap:LongTermDebtCurrent. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure0.0Current portion of debt, Q1 FY2025, at 2025-03-31$0. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2025-04-30, accession 0001993004-25-000084.Report this figure60.0Current portion of debt, Q2 FY2025, at 2025-06-30$60.0m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2025-07-31, accession 0001993004-25-000121.Report this figure105Current portion of debt, Q3 FY2025, at 2025-09-30$105.0m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Report this figure105Current portion of debt, FY2025, at 2025-12-31$105.0m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure105Current portion of debt, Q1 FY2026, at 2026-03-31$105.0m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure45.0Current portion of debt, Q2 FY2026, at 2026-06-30$45.0m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure
Short-term borrowings$m0.0Short-term borrowings, Q3 FY2023, at 2023-09-30$0. XBRL concept us-gaap:ShortTermBorrowings. 10-Q filed 2024-10-29, accession 0001993004-24-000102.Report this figure0.0Short-term borrowings, FY2023, at 2023-12-31$0. XBRL concept us-gaap:ShortTermBorrowings. 10-K filed 2025-02-13, accession 0001993004-25-000021.Report this figurenot reported100Short-term borrowings, Q2 FY2024, at 2024-06-30$100.0m. XBRL concept us-gaap:ShortTermBorrowings. 10-Q filed 2024-07-31, accession 0001993004-24-000072.Report this figure100Short-term borrowings, Q3 FY2024, at 2024-09-30$100.0m. XBRL concept us-gaap:ShortTermBorrowings. 10-Q filed 2024-10-29, accession 0001993004-24-000102.Report this figure100Short-term borrowings, FY2024, at 2024-12-31$100.0m. XBRL concept us-gaap:ShortTermBorrowings. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure0.0Short-term borrowings, Q1 FY2025, at 2025-03-31$0. XBRL concept us-gaap:ShortTermBorrowings. 10-Q filed 2025-04-30, accession 0001993004-25-000084.Report this figure100Short-term borrowings, Q2 FY2025, at 2025-06-30$100.0m. XBRL concept us-gaap:ShortTermBorrowings. 10-Q filed 2025-07-31, accession 0001993004-25-000121.Report this figure150Short-term borrowings, Q3 FY2025, at 2025-09-30$150.0m. XBRL concept us-gaap:ShortTermBorrowings. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Report this figure150Short-term borrowings, FY2025, at 2025-12-31$150.0m. XBRL concept us-gaap:ShortTermBorrowings. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure150Short-term borrowings, Q1 FY2026, at 2026-03-31$150.0m. XBRL concept us-gaap:ShortTermBorrowings. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure100Short-term borrowings, Q2 FY2026, at 2026-06-30$100.0m. XBRL concept us-gaap:ShortTermBorrowings. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure
Shareholders' equity$m2,740Shareholders' equity, Q3 FY2023, at 2023-09-30$2.74bn. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2024-10-29, accession 0001993004-24-000102.Report this figure2,785Shareholders' equity, FY2023, at 2023-12-31$2.79bn. XBRL concept us-gaap:StockholdersEquity. 10-K filed 2026-02-12, accession 0001993004-26-000006.Report this figure2,813Shareholders' equity, Q1 FY2024, at 2024-03-31$2.81bn. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-07-31, accession 0001993004-25-000121.Report this figure2,807Shareholders' equity, Q2 FY2024, at 2024-06-30$2.81bn. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Report this figure2,816Shareholders' equity, Q3 FY2024, at 2024-09-30$2.82bn. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Report this figure2,858Shareholders' equity, FY2024, at 2024-12-31$2.86bn. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure2,896Shareholders' equity, Q1 FY2025, at 2025-03-31$2.90bn. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure2,880Shareholders' equity, Q2 FY2025, at 2025-06-30$2.88bn. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure2,880Shareholders' equity, Q3 FY2025, at 2025-09-30$2.88bn. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Report this figure2,886Shareholders' equity, FY2025, at 2025-12-31$2.89bn. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure2,909Shareholders' equity, Q1 FY2026, at 2026-03-31$2.91bn. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure2,895Shareholders' equity, Q2 FY2026, at 2026-06-30$2.90bn. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure

Cash flow

Operating cash flow$73.8m, Q2 FY2026
Capital expenditure$188.7m, Q2 FY2026
NorthWestern Energy Group, Inc., cash flow, quarterly
Line itemUnitQ3 FY20232023-09-30Q4 FY20232023-12-31Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30Q4 FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30Q4 FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30
Operating cash flow$m133Operating cash flow, Q3 FY2023, three months to 2023-09-30$132.9m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2024-10-29, accession 0001993004-24-000102. Derived: 9-month figure less the 6-month figure.Report this figure62.3Operating cash flow, Q4 FY2023, three months to 2023-12-31$62.3m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-02-12, accession 0001993004-26-000006. Derived: 12-month figure less the 9-month figure.Report this figure162Operating cash flow, Q1 FY2024, three months to 2024-03-31$161.7m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-04-30, accession 0001993004-25-000084.Report this figure62.3Operating cash flow, Q2 FY2024, three months to 2024-06-30$62.3m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-07-31, accession 0001993004-25-000121. Derived: 6-month figure less the 3-month figure.Report this figure120Operating cash flow, Q3 FY2024, three months to 2024-09-30$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.Report this figure62.8Operating cash flow, Q4 FY2024, three months to 2024-12-31$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.Report this figure153Operating cash flow, Q1 FY2025, three months to 2025-03-31$153.4m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure58.2Operating cash flow, Q2 FY2025, three months to 2025-06-30$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.Report this figure127Operating cash flow, Q3 FY2025, three months to 2025-09-30$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.Report this figure56.2Operating cash flow, Q4 FY2025, three months to 2025-12-31$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.Report this figure159Operating cash flow, Q1 FY2026, three months to 2026-03-31$159.4m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure73.8Operating cash flow, Q2 FY2026, three months to 2026-06-30$73.8m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-07-30, accession 0001993004-26-000050. Derived: 6-month figure less the 3-month figure.Report this figure
Capital expenditure$m144Capital expenditure, Q3 FY2023, three months to 2023-09-30$143.8m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2024-10-29, accession 0001993004-24-000102. Derived: 9-month figure less the 6-month figure.Report this figure160Capital expenditure, Q4 FY2023, three months to 2023-12-31$159.7m. 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 figure109Capital expenditure, Q1 FY2024, three months to 2024-03-31$108.8m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-04-30, accession 0001993004-25-000084.Report this figure139Capital expenditure, Q2 FY2024, three months to 2024-06-30$138.6m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-07-31, accession 0001993004-25-000121. Derived: 6-month figure less the 3-month figure.Report this figure153Capital expenditure, Q3 FY2024, three months to 2024-09-30$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 figure149Capital expenditure, Q4 FY2024, three months to 2024-12-31$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 figure92.1Capital expenditure, Q1 FY2025, three months to 2025-03-31$92.1m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure129Capital expenditure, Q2 FY2025, three months to 2025-06-30$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 figure154Capital expenditure, Q3 FY2025, three months to 2025-09-30$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 figure150Capital expenditure, Q4 FY2025, three months to 2025-12-31$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 figure116Capital expenditure, Q1 FY2026, three months to 2026-03-31$116.1m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure189Capital expenditure, Q2 FY2026, three months to 2026-06-30$188.7m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-07-30, accession 0001993004-26-000050. Derived: 6-month figure less the 3-month figure.Report this figure
Dividends paid$m39.0Dividends paid, Q3 FY2023, three months to 2023-09-30$39.0m. XBRL concept us-gaap:PaymentsOfDividendsCommonStock. 10-Q filed 2024-10-29, accession 0001993004-24-000102. Derived: 9-month figure less the 6-month figure.Report this figure39.0Dividends paid, Q4 FY2023, three months to 2023-12-31$39.0m. XBRL concept us-gaap:PaymentsOfDividendsCommonStock. 10-K filed 2026-02-12, accession 0001993004-26-000006. Derived: 12-month figure less the 9-month figure.Report this figure39.6Dividends paid, Q1 FY2024, three months to 2024-03-31$39.6m. XBRL concept us-gaap:PaymentsOfDividendsCommonStock. 10-Q filed 2025-04-30, accession 0001993004-25-000084.Report this figure39.6Dividends paid, Q2 FY2024, three months to 2024-06-30$39.6m. XBRL concept us-gaap:PaymentsOfDividendsCommonStock. 10-Q filed 2025-07-31, accession 0001993004-25-000121. Derived: 6-month figure less the 3-month figure.Report this figure39.7Dividends paid, Q3 FY2024, three months to 2024-09-30$39.6m. XBRL concept us-gaap:PaymentsOfDividendsCommonStock. 10-Q filed 2025-10-30, accession 0001993004-25-000184. Derived: 9-month figure less the 6-month figure.Report this figure39.7Dividends paid, Q4 FY2024, three months to 2024-12-31$39.7m. XBRL concept us-gaap:PaymentsOfDividendsCommonStock. 10-K filed 2026-02-12, accession 0001993004-26-000006. Derived: 12-month figure less the 9-month figure.Report this figure40.3Dividends paid, Q1 FY2025, three months to 2025-03-31$40.3m. XBRL concept us-gaap:PaymentsOfDividendsCommonStock. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure40.3Dividends paid, Q2 FY2025, three months to 2025-06-30$40.3m. XBRL concept us-gaap:PaymentsOfDividendsCommonStock. 10-Q filed 2026-07-30, accession 0001993004-26-000050. Derived: 6-month figure less the 3-month figure.Report this figure40.4Dividends paid, Q3 FY2025, three months to 2025-09-30$40.4m. XBRL concept us-gaap:PaymentsOfDividendsCommonStock. 10-Q filed 2025-10-30, accession 0001993004-25-000184. Derived: 9-month figure less the 6-month figure.Report this figure40.4Dividends paid, Q4 FY2025, three months to 2025-12-31$40.4m. XBRL concept us-gaap:PaymentsOfDividendsCommonStock. 10-K filed 2026-02-12, accession 0001993004-26-000006. Derived: 12-month figure less the 9-month figure.Report this figure41.0Dividends paid, Q1 FY2026, three months to 2026-03-31$41.0m. XBRL concept us-gaap:PaymentsOfDividendsCommonStock. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure41.1Dividends paid, Q2 FY2026, three months to 2026-06-30$41.1m. XBRL concept us-gaap:PaymentsOfDividendsCommonStock. 10-Q filed 2026-07-30, accession 0001993004-26-000050. Derived: 6-month figure less the 3-month figure.Report this figure

Shares

Diluted shares (weighted)61.77m, Q2 FY2026
NorthWestern Energy Group, Inc., shares, quarterly
Line itemUnitperiod not labelled2022-09-30period not labelled2023-03-31period not labelled2023-06-30Q3 FY20232023-09-30Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30Q1 FY20262026-03-31Q2 FY20262026-06-30
Diluted shares (weighted)m shares56.6Diluted shares (weighted), period not labelled, three months to 2022-09-3056,637,404 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2023-10-27, accession 0001993004-23-000006.Report this figure59.8Diluted shares (weighted), period not labelled, three months to 2023-03-3159,789,204 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2024-04-26, accession 0001993004-24-000035.Report this figure59.8Diluted shares (weighted), period not labelled, three months to 2023-06-3059,849,674 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2024-07-31, accession 0001993004-24-000072.Report this figure60.5Diluted shares (weighted), Q3 FY2023, three months to 2023-09-3060,477,697 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2024-10-29, accession 0001993004-24-000102.Report this figure61.3Diluted shares (weighted), Q1 FY2024, three months to 2024-03-3161,309,619 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-04-30, accession 0001993004-25-000084.Report this figure61.4Diluted shares (weighted), Q2 FY2024, three months to 2024-06-3061,357,348 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-07-31, accession 0001993004-25-000121.Report this figure61.4Diluted shares (weighted), Q3 FY2024, three months to 2024-09-3061,396,975 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Report this figure61.4Diluted shares (weighted), Q1 FY2025, three months to 2025-03-3161,426,101 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure61.5Diluted shares (weighted), Q2 FY2025, three months to 2025-06-3061,483,946 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure61.6Diluted shares (weighted), Q3 FY2025, three months to 2025-09-3061,553,325 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-10-30, accession 0001993004-25-000184.Report this figure61.6Diluted shares (weighted), Q1 FY2026, three months to 2026-03-3161,632,002 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-04-30, accession 0001993004-26-000029.Report this figure61.8Diluted shares (weighted), Q2 FY2026, three months to 2026-06-3061,774,594 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure

Shares outstanding: 61.52mShares outstanding, period not labelled, at 2026-07-2461,517,850 shares. XBRL concept dei:EntityCommonStockSharesOutstanding. 10-Q filed 2026-07-30, accession 0001993004-26-000050.Report this figure at Jul 24, 2026, from the cover of the 10-Q filed Jul 30, 2026.

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