Annual report
9508.TEDINET S100YHHO
Period2025-04-01 → 2026-03-31
Filed2026-06-24
StandardJapan GAAP
ConsolidatedYes
Data checks22 of 22 passed
Key figures · 147
| Metric | Value | Period | Scope | Source row |
|---|---|---|---|---|
| Revenue | ¥2.25T | 2025-04-01 → 2026-03-31 | Cons. | Operating revenue1 |
| Revenue | ¥2.36T | 2024-04-01 → 2025-03-31 | Cons. | Operating revenue1 |
| Revenue | ¥2.14T | 2023-04-01 → 2024-03-31v | Cons. | Operating revenue1 (5-year summary) |
| Revenue | ¥2.22T | 2022-04-01 → 2023-03-31v | Cons. | Operating revenue1 (5-year summary) |
| Revenue | ¥1.74T | 2021-04-01 → 2022-03-31v | Cons. | Operating revenue1 (5-year summary) |
| Operating income | ¥224.9bn | 2025-04-01 → 2026-03-31 | Cons. | Operating income |
| Operating income | ¥199.6bn | 2024-04-01 → 2025-03-31 | Cons. | Operating income |
| Ordinary income | ¥207.1bn | 2025-04-01 → 2026-03-31 | Cons. | Ordinary income |
| Ordinary income | ¥194.7bn | 2024-04-01 → 2025-03-31 | Cons. | Ordinary income |
| Ordinary income | ¥238.2bn | 2023-04-01 → 2024-03-31v | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | −¥86.6bn | 2022-04-01 → 2023-03-31v | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥32.4bn | 2021-04-01 → 2022-03-31v | Cons. | Ordinary income loss (5-year summary) |
| Profit before tax | ¥207.8bn | 2025-04-01 → 2026-03-31 | Cons. | Income before income taxes |
| Profit before tax | ¥180.5bn | 2024-04-01 → 2025-03-31 | Cons. | Income before income taxes |
| Net income (owners) | ¥154.5bn | 2025-04-01 → 2026-03-31 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥128.8bn | 2024-04-01 → 2025-03-31 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥166.4bn | 2023-04-01 → 2024-03-31v | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | −¥56.4bn | 2022-04-01 → 2023-03-31v | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥6.9bn | 2021-04-01 → 2022-03-31v | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income | ¥155.5bn | 2025-04-01 → 2026-03-31 | Cons. | Profit loss |
| Net income | ¥130.5bn | 2024-04-01 → 2025-03-31 | Cons. | Profit loss |
| Total assets | ¥5.98T | at 2026-03-31 | Cons. | Assets |
| Total assets | ¥5.77T | at 2025-03-31 | Cons. | Assets |
| Total assets | ¥5.73T | at 2024-03-31v | Cons. | Total assets (5-year summary) |
| Total assets | ¥5.60T | at 2023-03-31v | Cons. | Total assets (5-year summary) |
| Total assets | ¥5.34T | at 2022-03-31v | Cons. | Total assets (5-year summary) |
| Total liabilities | ¥4.76T | at 2026-03-31 | Cons. | Liabilities |
| Total liabilities | ¥4.74T | at 2025-03-31 | Cons. | Liabilities |
| Net assets / equity | ¥1.23T | at 2026-03-31 | Cons. | Net assets |
| Net assets / equity | ¥1.03T | at 2025-03-31 | Cons. | Net assets |
| Net assets / equity | ¥921.0bn | at 2024-03-31v | Cons. | Net assets |
| Net assets / equity | ¥617.2bn | at 2023-03-31v | Cons. | Net assets (5-year summary) |
| Net assets / equity | ¥676.3bn | at 2022-03-31v | Cons. | Net assets (5-year summary) |
| Cash and deposits | ¥368.4bn | at 2026-03-31 | Cons. | Cash and deposits |
| Cash and deposits | ¥362.6bn | at 2025-03-31 | Cons. | Cash and deposits |
| Cash & equivalents | ¥351.2bn | at 2026-03-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥349.7bn | at 2025-03-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥364.2bn | at 2024-03-31v | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥270.7bn | at 2023-03-31v | Cons. | Cash and cash equivalents (5-year summary) |
| Cash & equivalents | ¥241.8bn | at 2022-03-31v | Cons. | Cash and cash equivalents (5-year summary) |
| Operating cash flow | ¥438.7bn | 2025-04-01 → 2026-03-31 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥431.9bn | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥586.1bn | 2023-04-01 → 2024-03-31v | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥30.5bn | 2022-04-01 → 2023-03-31v | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥257.8bn | 2021-04-01 → 2022-03-31v | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Investing cash flow | −¥383.7bn | 2025-04-01 → 2026-03-31 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥358.9bn | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥344.3bn | 2023-04-01 → 2024-03-31v | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥328.9bn | 2022-04-01 → 2023-03-31v | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥320.9bn | 2021-04-01 → 2022-03-31v | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Financing cash flow | −¥57.7bn | 2025-04-01 → 2026-03-31 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥91.4bn | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥150.5bn | 2023-04-01 → 2024-03-31v | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | ¥324.8bn | 2022-04-01 → 2023-03-31v | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | ¥79.4bn | 2021-04-01 → 2022-03-31v | Cons. | Net cash provided by used in financing activities (5-year summary) |
| EPS (basic) | ¥314.65 | 2025-04-01 → 2026-03-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥260.14 | 2024-04-01 → 2025-03-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥342.3 | 2023-04-01 → 2024-03-31v | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥-123.81 | 2022-04-01 → 2023-03-31v | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥10.09 | 2021-04-01 → 2022-03-31v | Cons. | Basic earnings loss per share (5-year summary) |
| Net assets per share | ¥2,093.78 | at 2026-03-31 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥1,685.7 | at 2025-03-31 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥1,452.1 | at 2024-03-31v | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥1,015.22 | at 2023-03-31v | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥1,151.73 | at 2022-03-31v | Cons. | Net assets per share (5-year summary) |
| Equity ratio | 19.9% | at 2026-03-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 17.3% | at 2025-03-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 15.5% | at 2024-03-31v | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 10.4% | at 2023-03-31v | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 12.1% | at 2022-03-31v | Cons. | Equity to asset ratio (5-year summary) |
| ROE | 14.1% | 2025-04-01 → 2026-03-31 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 13.6% | 2024-04-01 → 2025-03-31 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 22.6% | 2023-04-01 → 2024-03-31v | Cons. | Rate of return on equity (5-year summary) |
| ROE | -9.2% | 2022-04-01 → 2023-03-31v | Cons. | Rate of return on equity (5-year summary) |
| ROE | 1.1% | 2021-04-01 → 2022-03-31v | Cons. | Rate of return on equity (5-year summary) |
| Employees | 21,189 | at 2026-03-31 | Cons. | Number of employees |
| Employees | 21,173 | at 2025-03-31 | Cons. | Number of employees |
| Employees | 21,092 | at 2024-03-31v | Cons. | Number of employees |
| Employees | 21,096 | at 2023-03-31v | Cons. | Number of employees |
| Employees | 21,226 | at 2022-03-31v | Cons. | Number of employees |
| Revenue | ¥1.77T | 2025-04-01 → 2026-03-31 | Standalone | Operating revenue1 (5-year summary) |
| Revenue | ¥1.94T | 2024-04-01 → 2025-03-31 | Standalone | Operating revenue1 (5-year summary) |
| Revenue | ¥1.79T | 2023-04-01 → 2024-03-31v | Standalone | Operating revenue1 (5-year summary) |
| Revenue | ¥1.91T | 2022-04-01 → 2023-03-31v | Standalone | Operating revenue1 (5-year summary) |
| Revenue | ¥1.46T | 2021-04-01 → 2022-03-31v | Standalone | Operating revenue1 (5-year summary) |
| Operating income | ¥152.9bn | 2025-04-01 → 2026-03-31 | Standalone | Operating income |
| Operating income | ¥111.0bn | 2024-04-01 → 2025-03-31 | Standalone | Operating income |
| Ordinary income | ¥142.1bn | 2025-04-01 → 2026-03-31 | Standalone | Ordinary income |
| Ordinary income | ¥123.4bn | 2024-04-01 → 2025-03-31 | Standalone | Ordinary income |
| Ordinary income | ¥161.7bn | 2023-04-01 → 2024-03-31v | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | −¥140.0bn | 2022-04-01 → 2023-03-31v | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥11.8bn | 2021-04-01 → 2022-03-31v | Standalone | Ordinary income loss (5-year summary) |
| Profit before tax | ¥142.9bn | 2025-04-01 → 2026-03-31 | Standalone | Income before income taxes |
| Profit before tax | ¥117.6bn | 2024-04-01 → 2025-03-31 | Standalone | Income before income taxes |
| Net income | ¥109.6bn | 2025-04-01 → 2026-03-31 | Standalone | Profit loss |
| Net income | ¥93.4bn | 2024-04-01 → 2025-03-31 | Standalone | Profit loss |
| Net income | ¥129.4bn | 2023-04-01 → 2024-03-31v | Standalone | Net income loss (5-year summary) |
| Net income | −¥88.7bn | 2022-04-01 → 2023-03-31v | Standalone | Net income loss (5-year summary) |
| Net income | ¥5.1bn | 2021-04-01 → 2022-03-31v | Standalone | Net income loss (5-year summary) |
| Total assets | ¥5.00T | at 2026-03-31 | Standalone | Assets |
| Total assets | ¥4.90T | at 2025-03-31 | Standalone | Assets |
| Total assets | ¥4.89T | at 2024-03-31v | Standalone | Total assets (5-year summary) |
| Total assets | ¥4.83T | at 2023-03-31v | Standalone | Total assets (5-year summary) |
| Total assets | ¥4.63T | at 2022-03-31v | Standalone | Total assets (5-year summary) |
| Total liabilities | ¥4.29T | at 2026-03-31 | Standalone | Liabilities |
| Total liabilities | ¥4.28T | at 2025-03-31 | Standalone | Liabilities |
| Net assets / equity | ¥705.1bn | at 2026-03-31 | Standalone | Net assets |
| Net assets / equity | ¥624.3bn | at 2025-03-31 | Standalone | Net assets |
| Net assets / equity | ¥561.4bn | at 2024-03-31v | Standalone | Net assets |
| Net assets / equity | ¥330.2bn | at 2023-03-31v | Standalone | Net assets (5-year summary) |
| Net assets / equity | ¥430.9bn | at 2022-03-31v | Standalone | Net assets (5-year summary) |
| Cash and deposits | ¥213.9bn | at 2026-03-31 | Standalone | Cash and deposits |
| Cash and deposits | ¥207.4bn | at 2025-03-31 | Standalone | Cash and deposits |
| EPS (basic) | ¥219.38 | 2025-04-01 → 2026-03-31 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥185.2 | 2024-04-01 → 2025-03-31 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥263.81 | 2023-04-01 → 2024-03-31v | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥-191.91 | 2022-04-01 → 2023-03-31v | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥6.3 | 2021-04-01 → 2022-03-31v | Standalone | Basic earnings loss per share (5-year summary) |
| Dividend per share | ¥50 | 2025-04-01 → 2026-03-31 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥50 | 2024-04-01 → 2025-03-31 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥25 | 2023-04-01 → 2024-03-31v | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥40 | 2021-04-01 → 2022-03-31v | Standalone | Dividend paid per share (5-year summary) |
| Net assets per share | ¥1,061.52 | at 2026-03-31 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥891.22 | at 2025-03-31 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥755.64 | at 2024-03-31v | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥482.13 | at 2023-03-31v | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥697.35 | at 2022-03-31v | Standalone | Net assets per share (5-year summary) |
| Equity ratio | 14.1% | at 2026-03-31 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 12.7% | at 2025-03-31 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 11.5% | at 2024-03-31v | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 6.8% | at 2023-03-31v | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 9.3% | at 2022-03-31v | Standalone | Equity to asset ratio (5-year summary) |
| ROE | 16.5% | 2025-04-01 → 2026-03-31 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 15.8% | 2024-04-01 → 2025-03-31 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 29.0% | 2023-04-01 → 2024-03-31v | Standalone | Rate of return on equity (5-year summary) |
| ROE | -23.3% | 2022-04-01 → 2023-03-31v | Standalone | Rate of return on equity (5-year summary) |
| ROE | 1.2% | 2021-04-01 → 2022-03-31v | Standalone | Rate of return on equity (5-year summary) |
| Shares issued | 474,184,000 | at 2026-03-31 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 474,184,000 | at 2025-03-31 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 474,184,000 | at 2024-03-31v | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 474,184,000 | at 2023-03-31v | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 474,184,000 | at 2022-03-31v | Standalone | Total number of issued shares (5-year summary) |
| Employees | 4,383 | at 2026-03-31 | Standalone | Number of employees |
| Employees | 4,446 | at 2025-03-31 | Standalone | Number of employees |
| Employees | 4,668 | at 2024-03-31v | Standalone | Number of employees |
| Employees | 4,774 | at 2023-03-31v | Standalone | Number of employees |
| Employees | 5,235 | at 2022-03-31v | Standalone | Number of employees |
Periods use the dates stated in the filing. d = earlier-year period dated by calendar; v = that date confirmed by the company's own earlier filing.
Segments · 147
| Segment | Item | Period | Value |
|---|---|---|---|
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | capex | 2025-04-01 → 2026-03-31 | ¥634m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | depreciation | 2025-04-01 → 2026-03-31 | ¥398m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | employees | at 2026-03-31 | 494 pure |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue | 2025-04-01 → 2026-03-31 | ¥8.9bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue external | 2025-04-01 → 2026-03-31 | ¥4.2bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue intersegment | 2025-04-01 → 2026-03-31 | ¥4.6bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | segment assets | at 2026-03-31 | ¥16.3bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | segment ordinary income | 2025-04-01 → 2026-03-31 | ¥25m |
| Reconciling Itemsreconciling | capex | 2025-04-01 → 2026-03-31 | −¥7.3bn |
| Reconciling Itemsreconciling | depreciation | 2025-04-01 → 2026-03-31 | −¥3.4bn |
| Reconciling Itemsreconciling | revenue | 2025-04-01 → 2026-03-31 | −¥859.9bn |
| Reconciling Itemsreconciling | revenue intersegment | 2025-04-01 → 2026-03-31 | −¥859.9bn |
| Reconciling Itemsreconciling | segment assets | at 2026-03-31 | −¥2.00T |
| Reconciling Itemsreconciling | segment ordinary income | 2025-04-01 → 2026-03-31 | −¥3.0bn |
| Electricity Transmission And Distribution Businessreportable segment | capex | 2025-04-01 → 2026-03-31 | ¥146.6bn |
| Electricity Transmission And Distribution Businessreportable segment | depreciation | 2025-04-01 → 2026-03-31 | ¥87.6bn |
| Electricity Transmission And Distribution Businessreportable segment | employees | at 2026-03-31 | 3776 pure |
| Electricity Transmission And Distribution Businessreportable segment | revenue | 2025-04-01 → 2026-03-31 | ¥720.6bn |
| Electricity Transmission And Distribution Businessreportable segment | revenue external | 2025-04-01 → 2026-03-31 | ¥269.7bn |
| Electricity Transmission And Distribution Businessreportable segment | revenue intersegment | 2025-04-01 → 2026-03-31 | ¥450.9bn |
| Electricity Transmission And Distribution Businessreportable segment | segment assets | at 2026-03-31 | ¥2.11T |
| Electricity Transmission And Distribution Businessreportable segment | segment ordinary income | 2025-04-01 → 2026-03-31 | ¥8.3bn |
| ICT Servicesreportable segment | capex | 2025-04-01 → 2026-03-31 | ¥25.0bn |
| ICT Servicesreportable segment | depreciation | 2025-04-01 → 2026-03-31 | ¥25.5bn |
| ICT Servicesreportable segment | employees | at 2026-03-31 | 2883 pure |
| ICT Servicesreportable segment | revenue | 2025-04-01 → 2026-03-31 | ¥152.1bn |
| ICT Servicesreportable segment | revenue external | 2025-04-01 → 2026-03-31 | ¥105.8bn |
| ICT Servicesreportable segment | revenue intersegment | 2025-04-01 → 2026-03-31 | ¥46.2bn |
| ICT Servicesreportable segment | segment assets | at 2026-03-31 | ¥224.2bn |
| ICT Servicesreportable segment | segment ordinary income | 2025-04-01 → 2026-03-31 | ¥10.6bn |
| Other Energy Service Businessreportable segment | capex | 2025-04-01 → 2026-03-31 | ¥42.5bn |
| Other Energy Service Businessreportable segment | depreciation | 2025-04-01 → 2026-03-31 | ¥14.7bn |
| Other Energy Service Businessreportable segment | employees | at 2026-03-31 | 7719 pure |
| Other Energy Service Businessreportable segment | revenue | 2025-04-01 → 2026-03-31 | ¥351.8bn |
| Other Energy Service Businessreportable segment | revenue external | 2025-04-01 → 2026-03-31 | ¥146.2bn |
| Other Energy Service Businessreportable segment | revenue intersegment | 2025-04-01 → 2026-03-31 | ¥205.6bn |
| Other Energy Service Businessreportable segment | segment assets | at 2026-03-31 | ¥630.3bn |
| Other Energy Service Businessreportable segment | segment ordinary income | 2025-04-01 → 2026-03-31 | ¥36.9bn |
| Overseas Businessreportable segment | capex | 2025-04-01 → 2026-03-31 | ¥108m |
| Overseas Businessreportable segment | depreciation | 2025-04-01 → 2026-03-31 | ¥77m |
| Overseas Businessreportable segment | employees | at 2026-03-31 | 96 pure |
| Overseas Businessreportable segment | revenue | 2025-04-01 → 2026-03-31 | ¥3.7bn |
| Overseas Businessreportable segment | revenue external | 2025-04-01 → 2026-03-31 | ¥3.7bn |
| Overseas Businessreportable segment | segment assets | at 2026-03-31 | ¥247.3bn |
| Overseas Businessreportable segment | segment ordinary income | 2025-04-01 → 2026-03-31 | ¥12.6bn |
| Power Generation And Retail Electricity Businessreportable segment | capex | 2025-04-01 → 2026-03-31 | ¥167.8bn |
| Power Generation And Retail Electricity Businessreportable segment | depreciation | 2025-04-01 → 2026-03-31 | ¥121.7bn |
| Power Generation And Retail Electricity Businessreportable segment | employees | at 2026-03-31 | 5539 pure |
| Power Generation And Retail Electricity Businessreportable segment | revenue | 2025-04-01 → 2026-03-31 | ¥1.84T |
| Power Generation And Retail Electricity Businessreportable segment | revenue external | 2025-04-01 → 2026-03-31 | ¥1.70T |
| Power Generation And Retail Electricity Businessreportable segment | revenue intersegment | 2025-04-01 → 2026-03-31 | ¥141.5bn |
| Power Generation And Retail Electricity Businessreportable segment | segment assets | at 2026-03-31 | ¥4.53T |
| Power Generation And Retail Electricity Businessreportable segment | segment ordinary income | 2025-04-01 → 2026-03-31 | ¥136.4bn |
| Urban Development Businessreportable segment | capex | 2025-04-01 → 2026-03-31 | ¥6.1bn |
| Urban Development Businessreportable segment | depreciation | 2025-04-01 → 2026-03-31 | ¥3.7bn |
| Urban Development Businessreportable segment | employees | at 2026-03-31 | 682 pure |
| Urban Development Businessreportable segment | revenue | 2025-04-01 → 2026-03-31 | ¥27.1bn |
| Urban Development Businessreportable segment | revenue external | 2025-04-01 → 2026-03-31 | ¥16.1bn |
| Urban Development Businessreportable segment | revenue intersegment | 2025-04-01 → 2026-03-31 | ¥11.1bn |
| Urban Development Businessreportable segment | segment assets | at 2026-03-31 | ¥230.1bn |
| Urban Development Businessreportable segment | segment ordinary income | 2025-04-01 → 2026-03-31 | ¥5.2bn |
| —segment total | capex | 2025-04-01 → 2026-03-31 | ¥388.1bn |
| —segment total | depreciation | 2025-04-01 → 2026-03-31 | ¥253.3bn |
| —segment total | revenue | 2025-04-01 → 2026-03-31 | ¥3.10T |
| —segment total | revenue external | 2025-04-01 → 2026-03-31 | ¥2.24T |
| —segment total | revenue intersegment | 2025-04-01 → 2026-03-31 | ¥855.2bn |
| —segment total | segment assets | at 2026-03-31 | ¥7.97T |
| —segment total | segment ordinary income | 2025-04-01 → 2026-03-31 | ¥210.1bn |
| Total Of Reportable Segments And Otherssegment total | capex | 2025-04-01 → 2026-03-31 | ¥388.7bn |
| Total Of Reportable Segments And Otherssegment total | depreciation | 2025-04-01 → 2026-03-31 | ¥253.7bn |
| Total Of Reportable Segments And Otherssegment total | revenue | 2025-04-01 → 2026-03-31 | ¥3.11T |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2025-04-01 → 2026-03-31 | ¥2.25T |
| Total Of Reportable Segments And Otherssegment total | revenue intersegment | 2025-04-01 → 2026-03-31 | ¥859.9bn |
| Total Of Reportable Segments And Otherssegment total | segment assets | at 2026-03-31 | ¥7.98T |
| Total Of Reportable Segments And Otherssegment total | segment ordinary income | 2025-04-01 → 2026-03-31 | ¥210.1bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | capex | 2024-04-01 → 2025-03-31 | ¥510m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | depreciation | 2024-04-01 → 2025-03-31 | ¥401m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue | 2024-04-01 → 2025-03-31 | ¥9.7bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue external | 2024-04-01 → 2025-03-31 | ¥4.1bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue intersegment | 2024-04-01 → 2025-03-31 | ¥5.6bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | segment assets | at 2025-03-31 | ¥16.3bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | segment ordinary income | 2024-04-01 → 2025-03-31 | ¥566m |
| Reconciling Itemsreconciling | capex | 2024-04-01 → 2025-03-31 | −¥6.8bn |
| Reconciling Itemsreconciling | depreciation | 2024-04-01 → 2025-03-31 | −¥2.6bn |
| Reconciling Itemsreconciling | revenue | 2024-04-01 → 2025-03-31 | −¥908.4bn |
| Reconciling Itemsreconciling | revenue intersegment | 2024-04-01 → 2025-03-31 | −¥908.4bn |
| Reconciling Itemsreconciling | segment assets | at 2025-03-31 | −¥1.94T |
| Reconciling Itemsreconciling | segment ordinary income | 2024-04-01 → 2025-03-31 | −¥3.0bn |
| Electricity Transmission And Distribution Businessreportable segment | capex | 2024-04-01 → 2025-03-31 | ¥132.7bn |
| Electricity Transmission And Distribution Businessreportable segment | depreciation | 2024-04-01 → 2025-03-31 | ¥85.1bn |
| Electricity Transmission And Distribution Businessreportable segment | revenue | 2024-04-01 → 2025-03-31 | ¥747.9bn |
| Electricity Transmission And Distribution Businessreportable segment | revenue external | 2024-04-01 → 2025-03-31 | ¥255.2bn |
| Electricity Transmission And Distribution Businessreportable segment | revenue intersegment | 2024-04-01 → 2025-03-31 | ¥492.7bn |
| Electricity Transmission And Distribution Businessreportable segment | segment assets | at 2025-03-31 | ¥2.05T |
| Electricity Transmission And Distribution Businessreportable segment | segment ordinary income | 2024-04-01 → 2025-03-31 | ¥26.6bn |
| ICT Servicesreportable segment | capex | 2024-04-01 → 2025-03-31 | ¥27.5bn |
| ICT Servicesreportable segment | depreciation | 2024-04-01 → 2025-03-31 | ¥27.8bn |
| ICT Servicesreportable segment | revenue | 2024-04-01 → 2025-03-31 | ¥137.9bn |
| ICT Servicesreportable segment | revenue external | 2024-04-01 → 2025-03-31 | ¥95.7bn |
| ICT Servicesreportable segment | revenue intersegment | 2024-04-01 → 2025-03-31 | ¥42.2bn |
| ICT Servicesreportable segment | segment assets | at 2025-03-31 | ¥223.0bn |
| ICT Servicesreportable segment | segment ordinary income | 2024-04-01 → 2025-03-31 | ¥10.6bn |
| Other Energy Service Businessreportable segment | capex | 2024-04-01 → 2025-03-31 | ¥29.6bn |
| Other Energy Service Businessreportable segment | depreciation | 2024-04-01 → 2025-03-31 | ¥13.5bn |
| Other Energy Service Businessreportable segment | revenue | 2024-04-01 → 2025-03-31 | ¥324.3bn |
| Other Energy Service Businessreportable segment | revenue external | 2024-04-01 → 2025-03-31 | ¥133.8bn |
| Other Energy Service Businessreportable segment | revenue intersegment | 2024-04-01 → 2025-03-31 | ¥190.5bn |
| Other Energy Service Businessreportable segment | segment assets | at 2025-03-31 | ¥555.1bn |
| Other Energy Service Businessreportable segment | segment ordinary income | 2024-04-01 → 2025-03-31 | ¥33.2bn |
| Overseas Businessreportable segment | capex | 2024-04-01 → 2025-03-31 | ¥25m |
| Overseas Businessreportable segment | depreciation | 2024-04-01 → 2025-03-31 | ¥37m |
| Overseas Businessreportable segment | revenue | 2024-04-01 → 2025-03-31 | ¥4.4bn |
| Overseas Businessreportable segment | revenue external | 2024-04-01 → 2025-03-31 | ¥4.4bn |
| Overseas Businessreportable segment | revenue intersegment | 2024-04-01 → 2025-03-31 | ¥2m |
| Overseas Businessreportable segment | segment assets | at 2025-03-31 | ¥243.1bn |
| Overseas Businessreportable segment | segment ordinary income | 2024-04-01 → 2025-03-31 | ¥8.9bn |
| Power Generation And Retail Electricity Businessreportable segment | capex | 2024-04-01 → 2025-03-31 | ¥161.4bn |
| Power Generation And Retail Electricity Businessreportable segment | depreciation | 2024-04-01 → 2025-03-31 | ¥122.7bn |
| Power Generation And Retail Electricity Businessreportable segment | revenue | 2024-04-01 → 2025-03-31 | ¥2.01T |
| Power Generation And Retail Electricity Businessreportable segment | revenue external | 2024-04-01 → 2025-03-31 | ¥1.85T |
| Power Generation And Retail Electricity Businessreportable segment | revenue intersegment | 2024-04-01 → 2025-03-31 | ¥166.4bn |
| Power Generation And Retail Electricity Businessreportable segment | segment assets | at 2025-03-31 | ¥4.43T |
| Power Generation And Retail Electricity Businessreportable segment | segment ordinary income | 2024-04-01 → 2025-03-31 | ¥114.4bn |
| Urban Development Businessreportable segment | capex | 2024-04-01 → 2025-03-31 | ¥5.5bn |
| Urban Development Businessreportable segment | depreciation | 2024-04-01 → 2025-03-31 | ¥3.6bn |
| Urban Development Businessreportable segment | revenue | 2024-04-01 → 2025-03-31 | ¥28.6bn |
| Urban Development Businessreportable segment | revenue external | 2024-04-01 → 2025-03-31 | ¥17.6bn |
| Urban Development Businessreportable segment | revenue intersegment | 2024-04-01 → 2025-03-31 | ¥11.0bn |
| Urban Development Businessreportable segment | segment assets | at 2025-03-31 | ¥193.8bn |
| Urban Development Businessreportable segment | segment ordinary income | 2024-04-01 → 2025-03-31 | ¥3.4bn |
| —segment total | capex | 2024-04-01 → 2025-03-31 | ¥356.6bn |
| —segment total | depreciation | 2024-04-01 → 2025-03-31 | ¥252.9bn |
| —segment total | revenue | 2024-04-01 → 2025-03-31 | ¥3.26T |
| —segment total | revenue external | 2024-04-01 → 2025-03-31 | ¥2.35T |
| —segment total | revenue intersegment | 2024-04-01 → 2025-03-31 | ¥902.9bn |
| —segment total | segment assets | at 2025-03-31 | ¥7.70T |
| —segment total | segment ordinary income | 2024-04-01 → 2025-03-31 | ¥197.1bn |
| Total Of Reportable Segments And Otherssegment total | capex | 2024-04-01 → 2025-03-31 | ¥357.1bn |
| Total Of Reportable Segments And Otherssegment total | depreciation | 2024-04-01 → 2025-03-31 | ¥253.3bn |
| Total Of Reportable Segments And Otherssegment total | revenue | 2024-04-01 → 2025-03-31 | ¥3.27T |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2024-04-01 → 2025-03-31 | ¥2.36T |
| Total Of Reportable Segments And Otherssegment total | revenue intersegment | 2024-04-01 → 2025-03-31 | ¥908.4bn |
| Total Of Reportable Segments And Otherssegment total | segment assets | at 2025-03-31 | ¥7.72T |
| Total Of Reportable Segments And Otherssegment total | segment ordinary income | 2024-04-01 → 2025-03-31 | ¥197.7bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | employees | at 2026-03-31 | 7 pure |
| Other Energy Service Businessreportable segment | employees | at 2026-03-31 | 22 pure |
| Power Generation And Retail Electricity Businessreportable segment | employees | at 2026-03-31 | 4354 pure |
Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.
All source rows · 2,233
| Item | Context | Value | Unit |
|---|---|---|---|
| Regular employees differences in wages between male and female employees metrics of consolidated subsidiaries | CurrentYearInstant_Row22Member | 0.826 | |
| Non regular employees differences in wages between male and female employees metrics of consolidated subsidiaries | CurrentYearInstant_Row22Member | 0.964 | |
| Ratio of female employees in managerial positions metrics of consolidated subsidiaries | CurrentYearInstant_Row23Member | 0.000 | |
| All employees ratio of male employees taking childcare leave metrics of consolidated subsidiaries | CurrentYearInstant_Row23Member | 1.000 | |
| All employees differences in wages between male and female employees metrics of consolidated subsidiaries | CurrentYearInstant_Row23Member | 0.672 | |
| Regular employees differences in wages between male and female employees metrics of consolidated subsidiaries | CurrentYearInstant_Row23Member | 0.757 | |
| Non regular employees differences in wages between male and female employees metrics of consolidated subsidiaries | CurrentYearInstant_Row23Member | 0.855 | |
| Noncurrent assets | Prior1YearInstant | 4868471000000 | JPY |
| Noncurrent assets | CurrentYearInstant | 5052530000000 | JPY |
| Electric utility plant and equipment assets ele | Prior1YearInstant | 3059149000000 | JPY |
| Electric utility plant and equipment assets ele | CurrentYearInstant | 3065714000000 | JPY |
| Hydroelectric power production facilities nca electric ele | Prior1YearInstant | 267832000000 | JPY |
| Hydroelectric power production facilities nca electric ele | CurrentYearInstant | 265599000000 | JPY |
| Thermal power production facilities nca electric ele | Prior1YearInstant | 188729000000 | JPY |
| Thermal power production facilities nca electric ele | CurrentYearInstant | 173999000000 | JPY |
| Nuclear power production facilities nca electric ele | Prior1YearInstant | 766728000000 | JPY |
| Nuclear power production facilities nca electric ele | CurrentYearInstant | 745802000000 | JPY |
| Internal combustion engine power production facilities nca electric ele | Prior1YearInstant | 29425000000 | JPY |
| Internal combustion engine power production facilities nca electric ele | CurrentYearInstant | 36825000000 | JPY |
| Renewable power production and related facilities nca electric ele | Prior1YearInstant | 38506000000 | JPY |
| Renewable power production and related facilities nca electric ele | CurrentYearInstant | 40285000000 | JPY |
| Transmission facilities nca electric ele | Prior1YearInstant | 679962000000 | JPY |
| Transmission facilities nca electric ele | CurrentYearInstant | 699084000000 | JPY |
| Transformation facilities nca electric ele | Prior1YearInstant | 250820000000 | JPY |
| Transformation facilities nca electric ele | CurrentYearInstant | 258385000000 | JPY |
| Distribution facilities nca electric ele | Prior1YearInstant | 677639000000 | JPY |
| Distribution facilities nca electric ele | CurrentYearInstant | 687571000000 | JPY |
| General facilities nca electric ele | Prior1YearInstant | 153721000000 | JPY |
| General facilities nca electric ele | CurrentYearInstant | 151346000000 | JPY |
| Other electric utility plant and equipment nca electric ele | Prior1YearInstant | 5782000000 | JPY |
| Other electric utility plant and equipment nca electric ele | CurrentYearInstant | 6814000000 | JPY |
| Other noncurrent assets ele | Prior1YearInstant | 400324000000 | JPY |
| Other noncurrent assets ele | CurrentYearInstant | 469424000000 | JPY |
| Construction in progress ele | Prior1YearInstant | 486121000000 | JPY |
| Construction in progress ele | CurrentYearInstant | 496033000000 | JPY |
| Construction and retirement in progress nca in process ele | Prior1YearInstant | 301901000000 | JPY |
| Construction and retirement in progress nca in process ele | CurrentYearInstant | 295587000000 | JPY |
| Nuclear power abolition in progress ele | Prior1YearInstant | 27827000000 | JPY |
| Nuclear power abolition in progress ele | CurrentYearInstant | 22875000000 | JPY |
| Special account related to reprocessing of spent nuclear fuel ele | Prior1YearInstant | 156392000000 | JPY |
| Special account related to reprocessing of spent nuclear fuel ele | CurrentYearInstant | 177570000000 | JPY |
| Nuclear fuel ncaele | Prior1YearInstant | 245793000000 | JPY |
| Nuclear fuel ncaele | CurrentYearInstant | 271219000000 | JPY |
| Loaded nuclear fuel ncaele | Prior1YearInstant | 43753000000 | JPY |
| Loaded nuclear fuel ncaele | CurrentYearInstant | 54700000000 | JPY |
| Nuclear fuel in processing ncaele | Prior1YearInstant | 202039000000 | JPY |
| Nuclear fuel in processing ncaele | CurrentYearInstant | 216519000000 | JPY |
| Investments and other assets | Prior1YearInstant | 677082000000 | JPY |
| Investments and other assets | CurrentYearInstant | 750136000000 | JPY |
| Long term investments ele | Prior1YearInstant | 273764000000 | JPY |
Every row of the EDINET CSV. Item names are the XBRL element names; filed text is kept in its original Japanese. Filed text is available on Plus and Pro.
Data checks · 22 of 22 passed
| balance sheet identity | pass rounding |
| balance sheet identity | pass |
| balance sheet identity | pass |
| balance sheet identity | pass rounding |
| dei present | pass |
| period resolution | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net income attributable to parent | pass |
| statement vs summary · net income attributable to parent | pass |
| statement vs summary · operating cash flow | pass |
| statement vs summary · operating cash flow | pass |
| statement vs summary · revenue | pass |
| statement vs summary · revenue | pass |
| statement vs summary · total assets | pass |
| statement vs summary · total assets | pass |
| statement vs summary · total assets | pass |
| statement vs summary · total assets | pass |