Annual report
9513.TEDINET S100YISC
Period2025-04-01 → 2026-03-31
Filed2026-06-24
StandardJapan GAAP
ConsolidatedYes
Data checks24 of 24 passed
Key figures · 148
| Metric | Value | Period | Scope | Source row |
|---|---|---|---|---|
| Revenue | ¥1.18T | 2025-04-01 → 2026-03-31 | Cons. | Operating revenue1 |
| Revenue | ¥1.32T | 2024-04-01 → 2025-03-31 | Cons. | Operating revenue1 |
| Revenue | ¥1.26T | 2023-04-01 → 2024-03-31v | Cons. | Operating revenue1 (5-year summary) |
| Revenue | ¥1.84T | 2022-04-01 → 2023-03-31v | Cons. | Operating revenue1 (5-year summary) |
| Revenue | ¥1.08T | 2021-04-01 → 2022-03-31v | Cons. | Operating revenue1 (5-year summary) |
| Operating income | ¥101.0bn | 2025-04-01 → 2026-03-31 | Cons. | Operating income |
| Operating income | ¥138.3bn | 2024-04-01 → 2025-03-31 | Cons. | Operating income |
| Ordinary income | ¥158.5bn | 2025-04-01 → 2026-03-31 | Cons. | Ordinary income |
| Ordinary income | ¥140.1bn | 2024-04-01 → 2025-03-31 | Cons. | Ordinary income |
| Ordinary income | ¥118.5bn | 2023-04-01 → 2024-03-31v | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥170.8bn | 2022-04-01 → 2023-03-31v | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥72.8bn | 2021-04-01 → 2022-03-31v | Cons. | Ordinary income loss (5-year summary) |
| Profit before tax | ¥106.7bn | 2025-04-01 → 2026-03-31 | Cons. | Income before income taxes |
| Profit before tax | ¥140.1bn | 2024-04-01 → 2025-03-31 | Cons. | Income before income taxes |
| Net income (owners) | ¥58.5bn | 2025-04-01 → 2026-03-31 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥92.5bn | 2024-04-01 → 2025-03-31 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥77.8bn | 2023-04-01 → 2024-03-31v | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥113.7bn | 2022-04-01 → 2023-03-31v | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥69.7bn | 2021-04-01 → 2022-03-31v | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income | ¥73.8bn | 2025-04-01 → 2026-03-31 | Cons. | Profit loss |
| Net income | ¥102.5bn | 2024-04-01 → 2025-03-31 | Cons. | Profit loss |
| Total assets | ¥3.74T | at 2026-03-31 | Cons. | Assets |
| Total assets | ¥3.67T | at 2025-03-31 | Cons. | Assets |
| Total assets | ¥3.48T | at 2024-03-31v | Cons. | Total assets (5-year summary) |
| Total assets | ¥3.36T | at 2023-03-31v | Cons. | Total assets (5-year summary) |
| Total assets | ¥3.07T | at 2022-03-31v | Cons. | Total assets (5-year summary) |
| Total liabilities | ¥2.21T | at 2026-03-31 | Cons. | Liabilities |
| Total liabilities | ¥2.21T | at 2025-03-31 | Cons. | Liabilities |
| Net assets / equity | ¥1.53T | at 2026-03-31 | Cons. | Net assets |
| Net assets / equity | ¥1.46T | at 2025-03-31 | Cons. | Net assets |
| Net assets / equity | ¥1.33T | at 2024-03-31v | Cons. | Net assets |
| Net assets / equity | ¥1.19T | at 2023-03-31v | Cons. | Net assets (5-year summary) |
| Net assets / equity | ¥964.2bn | at 2022-03-31v | Cons. | Net assets (5-year summary) |
| Cash and deposits | ¥397.0bn | at 2026-03-31 | Cons. | Cash and deposits |
| Cash and deposits | ¥309.0bn | at 2025-03-31 | Cons. | Cash and deposits |
| Cash & equivalents | ¥348.9bn | at 2026-03-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥373.1bn | at 2025-03-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥370.7bn | at 2024-03-31v | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥334.3bn | at 2023-03-31v | Cons. | Cash and cash equivalents (5-year summary) |
| Cash & equivalents | ¥222.6bn | at 2022-03-31v | Cons. | Cash and cash equivalents (5-year summary) |
| Operating cash flow | ¥224.3bn | 2025-04-01 → 2026-03-31 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥250.3bn | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥254.0bn | 2023-04-01 → 2024-03-31v | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥155.8bn | 2022-04-01 → 2023-03-31v | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥128.4bn | 2021-04-01 → 2022-03-31v | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Investing cash flow | −¥193.2bn | 2025-04-01 → 2026-03-31 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥122.8bn | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥162.0bn | 2023-04-01 → 2024-03-31v | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥150.8bn | 2022-04-01 → 2023-03-31v | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥178.8bn | 2021-04-01 → 2022-03-31v | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Financing cash flow | −¥64.2bn | 2025-04-01 → 2026-03-31 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥133.7bn | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥65.9bn | 2023-04-01 → 2024-03-31v | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | ¥96.0bn | 2022-04-01 → 2023-03-31v | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | ¥84.1bn | 2021-04-01 → 2022-03-31v | Cons. | Net cash provided by used in financing activities (5-year summary) |
| EPS (basic) | ¥325.51 | 2025-04-01 → 2026-03-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥505.64 | 2024-04-01 → 2025-03-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥425.31 | 2023-04-01 → 2024-03-31v | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥621.5 | 2022-04-01 → 2023-03-31v | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥380.7 | 2021-04-01 → 2022-03-31v | Cons. | Basic earnings loss per share (5-year summary) |
| Net assets per share | ¥7,985.24 | at 2026-03-31 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥7,305.66 | at 2025-03-31 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥6,649.42 | at 2024-03-31v | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥5,931.99 | at 2023-03-31v | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥5,004.62 | at 2022-03-31v | Cons. | Net assets per share (5-year summary) |
| Equity ratio | 37.6% | at 2026-03-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 36.4% | at 2025-03-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 35.0% | at 2024-03-31v | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 32.3% | at 2023-03-31v | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 29.9% | at 2022-03-31v | Cons. | Equity to asset ratio (5-year summary) |
| ROE | 4.3% | 2025-04-01 → 2026-03-31 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 7.2% | 2024-04-01 → 2025-03-31 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 6.8% | 2023-04-01 → 2024-03-31v | Cons. | Rate of return on equity (5-year summary) |
| ROE | 11.4% | 2022-04-01 → 2023-03-31v | Cons. | Rate of return on equity (5-year summary) |
| ROE | 8.1% | 2021-04-01 → 2022-03-31v | Cons. | Rate of return on equity (5-year summary) |
| Employees | 7,202 | at 2026-03-31 | Cons. | Number of employees |
| Employees | 7,127 | at 2025-03-31 | Cons. | Number of employees |
| Employees | 7,083 | at 2024-03-31v | Cons. | Number of employees |
| Employees | 7,078 | at 2023-03-31v | Cons. | Number of employees |
| Employees | 7,146 | at 2022-03-31v | Cons. | Number of employees |
| Revenue | ¥827.9bn | 2025-04-01 → 2026-03-31 | Standalone | Operating revenue1 |
| Revenue | ¥930.6bn | 2024-04-01 → 2025-03-31 | Standalone | Operating revenue1 |
| Revenue | ¥843.2bn | 2023-04-01 → 2024-03-31v | Standalone | Operating revenue1 (5-year summary) |
| Revenue | ¥1.37T | 2022-04-01 → 2023-03-31v | Standalone | Operating revenue1 (5-year summary) |
| Revenue | ¥790.1bn | 2021-04-01 → 2022-03-31v | Standalone | Operating revenue1 (5-year summary) |
| Operating income | ¥30.8bn | 2025-04-01 → 2026-03-31 | Standalone | Operating income |
| Operating income | ¥54.7bn | 2024-04-01 → 2025-03-31 | Standalone | Operating income |
| Ordinary income | ¥105.9bn | 2025-04-01 → 2026-03-31 | Standalone | Ordinary income |
| Ordinary income | ¥107.5bn | 2024-04-01 → 2025-03-31 | Standalone | Ordinary income |
| Ordinary income | ¥55.2bn | 2023-04-01 → 2024-03-31v | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥75.3bn | 2022-04-01 → 2023-03-31v | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥58.3bn | 2021-04-01 → 2022-03-31v | Standalone | Ordinary income loss (5-year summary) |
| Profit before tax | ¥55.3bn | 2025-04-01 → 2026-03-31 | Standalone | Income before income taxes |
| Profit before tax | ¥107.5bn | 2024-04-01 → 2025-03-31 | Standalone | Income before income taxes |
| Net income | ¥54.7bn | 2025-04-01 → 2026-03-31 | Standalone | Profit loss |
| Net income | ¥93.2bn | 2024-04-01 → 2025-03-31 | Standalone | Profit loss |
| Net income | ¥52.3bn | 2023-04-01 → 2024-03-31v | Standalone | Net income loss (5-year summary) |
| Net income | ¥60.1bn | 2022-04-01 → 2023-03-31v | Standalone | Net income loss (5-year summary) |
| Net income | ¥73.7bn | 2021-04-01 → 2022-03-31v | Standalone | Net income loss (5-year summary) |
| Total assets | ¥2.60T | at 2026-03-31 | Standalone | Assets |
| Total assets | ¥2.56T | at 2025-03-31 | Standalone | Assets |
| Total assets | ¥2.53T | at 2024-03-31v | Standalone | Total assets (5-year summary) |
| Total assets | ¥2.49T | at 2023-03-31v | Standalone | Total assets (5-year summary) |
| Total assets | ¥2.42T | at 2022-03-31v | Standalone | Total assets (5-year summary) |
| Total liabilities | ¥1.66T | at 2026-03-31 | Standalone | Liabilities |
| Total liabilities | ¥1.66T | at 2025-03-31 | Standalone | Liabilities |
| Net assets / equity | ¥938.4bn | at 2026-03-31 | Standalone | Net assets |
| Net assets / equity | ¥900.0bn | at 2025-03-31 | Standalone | Net assets |
| Net assets / equity | ¥825.7bn | at 2024-03-31v | Standalone | Net assets |
| Net assets / equity | ¥772.4bn | at 2023-03-31v | Standalone | Net assets (5-year summary) |
| Net assets / equity | ¥742.9bn | at 2022-03-31v | Standalone | Net assets (5-year summary) |
| Cash and deposits | ¥123.1bn | at 2026-03-31 | Standalone | Cash and deposits |
| Cash and deposits | ¥60.0bn | at 2025-03-31 | Standalone | Cash and deposits |
| EPS (basic) | ¥303.91 | 2025-04-01 → 2026-03-31 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥509.82 | 2024-04-01 → 2025-03-31 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥286.23 | 2023-04-01 → 2024-03-31v | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥328.53 | 2022-04-01 → 2023-03-31v | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥402.61 | 2021-04-01 → 2022-03-31v | Standalone | Basic earnings loss per share (5-year summary) |
| Dividend per share | ¥100 | 2025-04-01 → 2026-03-31 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥100 | 2024-04-01 → 2025-03-31 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥100 | 2023-04-01 → 2024-03-31v | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥90 | 2022-04-01 → 2023-03-31v | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥75 | 2021-04-01 → 2022-03-31v | Standalone | Dividend paid per share (5-year summary) |
| Net assets per share | ¥5,331.61 | at 2026-03-31 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥4,921.16 | at 2025-03-31 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥4,515.16 | at 2024-03-31v | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥4,224.18 | at 2023-03-31v | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥4,058.32 | at 2022-03-31v | Standalone | Net assets per share (5-year summary) |
| Equity ratio | 36.1% | at 2026-03-31 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 35.2% | at 2025-03-31 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 32.6% | at 2024-03-31v | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 31.0% | at 2023-03-31v | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 30.7% | at 2022-03-31v | Standalone | Equity to asset ratio (5-year summary) |
| ROE | 5.9% | 2025-04-01 → 2026-03-31 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 10.8% | 2024-04-01 → 2025-03-31 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 6.6% | 2023-04-01 → 2024-03-31v | Standalone | Rate of return on equity (5-year summary) |
| ROE | 7.9% | 2022-04-01 → 2023-03-31v | Standalone | Rate of return on equity (5-year summary) |
| ROE | 10.4% | 2021-04-01 → 2022-03-31v | Standalone | Rate of return on equity (5-year summary) |
| Shares issued | 183,051,000 | at 2026-03-31 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 183,051,000 | at 2025-03-31 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 183,051,000 | at 2024-03-31v | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 183,051,000 | at 2023-03-31v | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 183,051,000 | at 2022-03-31v | Standalone | Total number of issued shares (5-year summary) |
| Employees | 1,994 | at 2026-03-31 | Standalone | Number of employees |
| Employees | 1,899 | at 2025-03-31 | Standalone | Number of employees |
| Employees | 1,862 | at 2024-03-31v | Standalone | Number of employees |
| Employees | 1,816 | at 2023-03-31v | Standalone | Number of employees |
| Employees | 1,785 | 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 · 102
| Segment | Item | Period | Value |
|---|---|---|---|
| Otherother segments | employees | at 2026-03-31 | 115 pure |
| Reconciling Itemsreconciling | capex | 2025-04-01 → 2026-03-31 | −¥1.9bn |
| Reconciling Itemsreconciling | depreciation | 2025-04-01 → 2026-03-31 | −¥842m |
| Reconciling Itemsreconciling | revenue | 2025-04-01 → 2026-03-31 | −¥67.0bn |
| Reconciling Itemsreconciling | revenue intersegment | 2025-04-01 → 2026-03-31 | −¥67.0bn |
| Reconciling Itemsreconciling | segment assets | at 2026-03-31 | −¥293.5bn |
| Reconciling Itemsreconciling | segment ordinary income | 2025-04-01 → 2026-03-31 | −¥860m |
| Electric Power Relatedreportable segment | capex | 2025-04-01 → 2026-03-31 | ¥4.8bn |
| Electric Power Relatedreportable segment | depreciation | 2025-04-01 → 2026-03-31 | ¥10.1bn |
| Electric Power Relatedreportable segment | employees | at 2026-03-31 | 1305 pure |
| Electric Power Relatedreportable segment | revenue | 2025-04-01 → 2026-03-31 | ¥89.9bn |
| Electric Power Relatedreportable segment | revenue external | 2025-04-01 → 2026-03-31 | ¥49.6bn |
| Electric Power Relatedreportable segment | revenue intersegment | 2025-04-01 → 2026-03-31 | ¥40.3bn |
| Electric Power Relatedreportable segment | segment assets | at 2026-03-31 | ¥224.8bn |
| Electric Power Relatedreportable segment | segment ordinary income | 2025-04-01 → 2026-03-31 | ¥17.0bn |
| Other Businessesreportable segment | capex | 2025-04-01 → 2026-03-31 | ¥307m |
| Other Businessesreportable segment | depreciation | 2025-04-01 → 2026-03-31 | ¥352m |
| Other Businessesreportable segment | revenue | 2025-04-01 → 2026-03-31 | ¥16.0bn |
| Other Businessesreportable segment | revenue external | 2025-04-01 → 2026-03-31 | ¥15.0bn |
| Other Businessesreportable segment | revenue intersegment | 2025-04-01 → 2026-03-31 | ¥992m |
| Other Businessesreportable segment | segment assets | at 2026-03-31 | ¥13.6bn |
| Other Businessesreportable segment | segment ordinary income | 2025-04-01 → 2026-03-31 | ¥417m |
| Overseasreportable segment | capex | 2025-04-01 → 2026-03-31 | ¥60.2bn |
| Overseasreportable segment | depreciation | 2025-04-01 → 2026-03-31 | ¥29.6bn |
| Overseasreportable segment | employees | at 2026-03-31 | 668 pure |
| Overseasreportable segment | revenue | 2025-04-01 → 2026-03-31 | ¥227.9bn |
| Overseasreportable segment | revenue external | 2025-04-01 → 2026-03-31 | ¥227.9bn |
| Overseasreportable segment | segment assets | at 2026-03-31 | ¥1.16T |
| Overseasreportable segment | segment ordinary income | 2025-04-01 → 2026-03-31 | ¥94.9bn |
| Power Generationreportable segment | capex | 2025-04-01 → 2026-03-31 | ¥80.8bn |
| Power Generationreportable segment | depreciation | 2025-04-01 → 2026-03-31 | ¥65.9bn |
| Power Generationreportable segment | employees | at 2026-03-31 | 4815 pure |
| Power Generationreportable segment | revenue | 2025-04-01 → 2026-03-31 | ¥865.6bn |
| Power Generationreportable segment | revenue external | 2025-04-01 → 2026-03-31 | ¥840.4bn |
| Power Generationreportable segment | revenue intersegment | 2025-04-01 → 2026-03-31 | ¥25.2bn |
| Power Generationreportable segment | segment assets | at 2026-03-31 | ¥2.32T |
| Power Generationreportable segment | segment ordinary income | 2025-04-01 → 2026-03-31 | ¥45.4bn |
| Transmissionand Transformationreportable segment | capex | 2025-04-01 → 2026-03-31 | ¥44.4bn |
| Transmissionand Transformationreportable segment | depreciation | 2025-04-01 → 2026-03-31 | ¥11.0bn |
| Transmissionand Transformationreportable segment | employees | at 2026-03-31 | 299 pure |
| Transmissionand Transformationreportable segment | revenue | 2025-04-01 → 2026-03-31 | ¥49.9bn |
| Transmissionand Transformationreportable segment | revenue external | 2025-04-01 → 2026-03-31 | ¥49.3bn |
| Transmissionand Transformationreportable segment | revenue intersegment | 2025-04-01 → 2026-03-31 | ¥583m |
| Transmissionand Transformationreportable segment | segment assets | at 2026-03-31 | ¥313.6bn |
| Transmissionand Transformationreportable segment | segment ordinary income | 2025-04-01 → 2026-03-31 | ¥1.8bn |
| —segment total | capex | 2025-04-01 → 2026-03-31 | ¥190.5bn |
| —segment total | depreciation | 2025-04-01 → 2026-03-31 | ¥116.9bn |
| —segment total | revenue | 2025-04-01 → 2026-03-31 | ¥1.25T |
| —segment total | revenue external | 2025-04-01 → 2026-03-31 | ¥1.18T |
| —segment total | revenue intersegment | 2025-04-01 → 2026-03-31 | ¥67.0bn |
| —segment total | segment assets | at 2026-03-31 | ¥4.03T |
| —segment total | segment ordinary income | 2025-04-01 → 2026-03-31 | ¥159.4bn |
| Reconciling Itemsreconciling | capex | 2024-04-01 → 2025-03-31 | −¥1.7bn |
| Reconciling Itemsreconciling | depreciation | 2024-04-01 → 2025-03-31 | −¥803m |
| Reconciling Itemsreconciling | revenue | 2024-04-01 → 2025-03-31 | −¥66.7bn |
| Reconciling Itemsreconciling | revenue intersegment | 2024-04-01 → 2025-03-31 | −¥66.7bn |
| Reconciling Itemsreconciling | segment assets | at 2025-03-31 | −¥262.7bn |
| Reconciling Itemsreconciling | segment ordinary income | 2024-04-01 → 2025-03-31 | −¥502m |
| Electric Power Relatedreportable segment | capex | 2024-04-01 → 2025-03-31 | ¥4.5bn |
| Electric Power Relatedreportable segment | depreciation | 2024-04-01 → 2025-03-31 | ¥7.7bn |
| Electric Power Relatedreportable segment | revenue | 2024-04-01 → 2025-03-31 | ¥102.7bn |
| Electric Power Relatedreportable segment | revenue external | 2024-04-01 → 2025-03-31 | ¥59.2bn |
| Electric Power Relatedreportable segment | revenue intersegment | 2024-04-01 → 2025-03-31 | ¥43.5bn |
| Electric Power Relatedreportable segment | segment assets | at 2025-03-31 | ¥233.5bn |
| Electric Power Relatedreportable segment | segment ordinary income | 2024-04-01 → 2025-03-31 | ¥34.1bn |
| Other Businessesreportable segment | capex | 2024-04-01 → 2025-03-31 | ¥544m |
| Other Businessesreportable segment | depreciation | 2024-04-01 → 2025-03-31 | ¥348m |
| Other Businessesreportable segment | revenue | 2024-04-01 → 2025-03-31 | ¥18.2bn |
| Other Businessesreportable segment | revenue external | 2024-04-01 → 2025-03-31 | ¥17.2bn |
| Other Businessesreportable segment | revenue intersegment | 2024-04-01 → 2025-03-31 | ¥911m |
| Other Businessesreportable segment | segment assets | at 2025-03-31 | ¥16.0bn |
| Other Businessesreportable segment | segment ordinary income | 2024-04-01 → 2025-03-31 | ¥623m |
| Overseasreportable segment | capex | 2024-04-01 → 2025-03-31 | ¥22.2bn |
| Overseasreportable segment | depreciation | 2024-04-01 → 2025-03-31 | ¥27.0bn |
| Overseasreportable segment | revenue | 2024-04-01 → 2025-03-31 | ¥244.7bn |
| Overseasreportable segment | revenue external | 2024-04-01 → 2025-03-31 | ¥244.7bn |
| Overseasreportable segment | segment assets | at 2025-03-31 | ¥1.13T |
| Overseasreportable segment | segment ordinary income | 2024-04-01 → 2025-03-31 | ¥34.5bn |
| Power Generationreportable segment | capex | 2024-04-01 → 2025-03-31 | ¥78.0bn |
| Power Generationreportable segment | depreciation | 2024-04-01 → 2025-03-31 | ¥71.3bn |
| Power Generationreportable segment | revenue | 2024-04-01 → 2025-03-31 | ¥967.4bn |
| Power Generationreportable segment | revenue external | 2024-04-01 → 2025-03-31 | ¥945.7bn |
| Power Generationreportable segment | revenue intersegment | 2024-04-01 → 2025-03-31 | ¥21.7bn |
| Power Generationreportable segment | segment assets | at 2025-03-31 | ¥2.27T |
| Power Generationreportable segment | segment ordinary income | 2024-04-01 → 2025-03-31 | ¥68.5bn |
| Transmissionand Transformationreportable segment | capex | 2024-04-01 → 2025-03-31 | ¥28.8bn |
| Transmissionand Transformationreportable segment | depreciation | 2024-04-01 → 2025-03-31 | ¥10.8bn |
| Transmissionand Transformationreportable segment | revenue | 2024-04-01 → 2025-03-31 | ¥50.5bn |
| Transmissionand Transformationreportable segment | revenue external | 2024-04-01 → 2025-03-31 | ¥49.9bn |
| Transmissionand Transformationreportable segment | revenue intersegment | 2024-04-01 → 2025-03-31 | ¥606m |
| Transmissionand Transformationreportable segment | segment assets | at 2025-03-31 | ¥276.0bn |
| Transmissionand Transformationreportable segment | segment ordinary income | 2024-04-01 → 2025-03-31 | ¥2.8bn |
| —segment total | capex | 2024-04-01 → 2025-03-31 | ¥134.2bn |
| —segment total | depreciation | 2024-04-01 → 2025-03-31 | ¥117.2bn |
| —segment total | revenue | 2024-04-01 → 2025-03-31 | ¥1.38T |
| —segment total | revenue external | 2024-04-01 → 2025-03-31 | ¥1.32T |
| —segment total | revenue intersegment | 2024-04-01 → 2025-03-31 | ¥66.7bn |
| —segment total | segment assets | at 2025-03-31 | ¥3.93T |
| —segment total | segment ordinary income | 2024-04-01 → 2025-03-31 | ¥140.6bn |
| Otherother segments | employees | at 2026-03-31 | 3 pure |
| Overseasreportable segment | employees | at 2026-03-31 | 101 pure |
| Power Generationreportable segment | employees | at 2026-03-31 | 1890 pure |
Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.
All source rows · 2,053
| Item | Context | Value | Unit |
|---|---|---|---|
| Address major shareholders | CurrentYearInstant_No10MajorShareholdersMember | Original text (Japanese)東京都千代田区丸の内１－１－２ | |
| Issued shares voting rights (text) | FilingDateInstant | Text · Plus | |
| Description issued shares voting rights | CurrentYearInstant_SharesWithNoVotingRightsMember | － | |
| Description issued shares voting rights | CurrentYearInstant_SharesWithRestrictedVotingRightsTreasurySharesEtcMember | － | |
| Description issued shares voting rights | CurrentYearInstant_SharesWithRestrictedVotingRightsOtherMember | － | |
| Description issued shares voting rights | CurrentYearInstant_OrdinarySharesTreasurySharesSharesWithFullVotingRightsTreasurySharesEtcMember | － | |
| Description issued shares voting rights | CurrentYearInstant_OrdinarySharesSharesWithFullVotingRightsOtherMember | － | |
| Description issued shares voting rights | CurrentYearInstant_OrdinarySharesSharesLessThanOneUnitMember | Original text (Japanese)一単元（100株）未満の株式 | |
| Treasury shares etc (text) | FilingDateInstant | Text · Plus | |
| Name of shareholder treasury shares etc | CurrentYearInstant_Row1Member | Original text (Japanese)電源開発株式会社 | |
| Address of shareholder treasury shares etc | CurrentYearInstant_Row1Member | Original text (Japanese)東京都中央区銀座６－15－１ | |
| Share ownership plans for directors and other officers and employees (text) | FilingDateInstant | Text · Plus | |
| Classes of shares etc (text) | FilingDateInstant | Text · Plus | |
| Acquisitions by resolution of shareholders meeting (text) | FilingDateInstant | Text · Plus | |
| Acquisitions by resolution of board of directors meeting (text) | FilingDateInstant | Text · Plus | |
| Acquisitions not based on resolution of shareholders meeting or board of directors meeting (text) | FilingDateInstant | Text · Plus | |
| Disposals or holding of acquired treasury shares (text) | FilingDateInstant | Text · Plus | |
| Dividend policy (text) | FilingDateInstant | Text · Plus | |
| Date of resolution dividends of surplus | FilingDateInstant_Row1Member | 2025-10-31 | |
| Resolution dividends of surplus | FilingDateInstant_Row1Member | Original text (Japanese)取締役会決議 | |
| Date of resolution dividends of surplus | FilingDateInstant_Row2Member | 2026-06-25 | |
| Resolution dividends of surplus | FilingDateInstant_Row2Member | Original text (Japanese)定時株主総会決議（予定） | |
| Overview of corporate governance (text) | FilingDateInstant | Text · Plus | |
| Corporate governance company with audit and supervisory committee (text) | FilingDateInstant | Text · Plus | |
| Basic policy regarding control of company (text) | FilingDateInstant | Text · Plus | |
| Information about officers (text) | FilingDateInstant | Text · Plus | |
| Official title or position information about directors and corporate auditors | FilingDateInstant_jpcrp030000-asr_E04510-000WatanabeToshifumiMember | Original text (Japanese)代表取締役会長 | |
| Name information about directors and corporate auditors | FilingDateInstant_jpcrp030000-asr_E04510-000WatanabeToshifumiMember | Original text (Japanese)渡部 肇史 | |
| Date of birth information about directors and corporate auditors | FilingDateInstant_jpcrp030000-asr_E04510-000WatanabeToshifumiMember | 1955-03-10 | |
| Career summary information about directors and corporate auditors (text) | FilingDateInstant_jpcrp030000-asr_E04510-000WatanabeToshifumiMember | Text · Plus | |
| Term of office information about directors and corporate auditors | FilingDateInstant_jpcrp030000-asr_E04510-000WatanabeToshifumiMember | Original text (Japanese)(注)２ | |
| Official title or position information about directors and corporate auditors | FilingDateInstant_jpcrp030000-asr_E04510-000KatoHideakiMember | Original text (Japanese)代表取締役社長 社長執行役員 | |
| Name information about directors and corporate auditors | FilingDateInstant_jpcrp030000-asr_E04510-000KatoHideakiMember | Original text (Japanese)加藤 英彰 | |
| Date of birth information about directors and corporate auditors | FilingDateInstant_jpcrp030000-asr_E04510-000KatoHideakiMember | 1966-09-28 | |
| Career summary information about directors and corporate auditors (text) | FilingDateInstant_jpcrp030000-asr_E04510-000KatoHideakiMember | Text · Plus | |
| Term of office information about directors and corporate auditors | FilingDateInstant_jpcrp030000-asr_E04510-000KatoHideakiMember | Original text (Japanese)(注)２ | |
| Official title or position information about directors and corporate auditors | FilingDateInstant_jpcrp030000-asr_E04510-000ShimadaYoshikazuMember | Original text (Japanese)代表取締役副社長執行役員 | |
| Name information about directors and corporate auditors | FilingDateInstant_jpcrp030000-asr_E04510-000ShimadaYoshikazuMember | Original text (Japanese)嶋田 善多 | |
| Date of birth information about directors and corporate auditors | FilingDateInstant_jpcrp030000-asr_E04510-000ShimadaYoshikazuMember | 1957-05-16 | |
| Career summary information about directors and corporate auditors (text) | FilingDateInstant_jpcrp030000-asr_E04510-000ShimadaYoshikazuMember | Text · Plus | |
| Term of office information about directors and corporate auditors | FilingDateInstant_jpcrp030000-asr_E04510-000ShimadaYoshikazuMember | Original text (Japanese)(注)２ | |
| Official title or position information about directors and corporate auditors | FilingDateInstant_jpcrp030000-asr_E04510-000HagiwaraOsamuMember | Original text (Japanese)取締役副社長執行役員原子力事業本部長 | |
| Name information about directors and corporate auditors | FilingDateInstant_jpcrp030000-asr_E04510-000HagiwaraOsamuMember | Original text (Japanese)萩原 修 | |
| Date of birth information about directors and corporate auditors | FilingDateInstant_jpcrp030000-asr_E04510-000HagiwaraOsamuMember | 1960-12-11 | |
| Career summary information about directors and corporate auditors (text) | FilingDateInstant_jpcrp030000-asr_E04510-000HagiwaraOsamuMember | Text · Plus | |
| Term of office information about directors and corporate auditors | FilingDateInstant_jpcrp030000-asr_E04510-000HagiwaraOsamuMember | Original text (Japanese)(注)２ | |
| Official title or position information about directors and corporate auditors | FilingDateInstant_jpcrp030000-asr_E04510-000SasatsuHiroshiMember | Original text (Japanese)取締役副社長執行役員 | |
| Name information about directors and corporate auditors | FilingDateInstant_jpcrp030000-asr_E04510-000SasatsuHiroshiMember | Original text (Japanese)笹津 浩司 | |
| Date of birth information about directors and corporate auditors | FilingDateInstant_jpcrp030000-asr_E04510-000SasatsuHiroshiMember | 1962-03-15 | |
| Career summary information about directors and corporate auditors (text) | FilingDateInstant_jpcrp030000-asr_E04510-000SasatsuHiroshiMember | Text · Plus |
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 · 24 of 24 passed
| balance sheet identity | pass |
| balance sheet identity | pass rounding |
| 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 · 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 |