Annual report
9513.TEDINET S100W4NR
Period2024-04-01 → 2025-03-31
Filed2025-06-25
StandardJapan GAAP
ConsolidatedYes
Data checks23 of 24 passed
Key figures · 149
| Metric | Value | Period | Scope | Source row |
|---|---|---|---|---|
| Revenue | ¥1.32T | 2024-04-01 → 2025-03-31 | Cons. | Operating revenue1 |
| Revenue | ¥1.26T | 2023-04-01 → 2024-03-31 | Cons. | Operating revenue1 |
| Revenue | ¥1.84T | 2022-04-01 → 2023-03-31d | Cons. | Operating revenue1 (5-year summary) |
| Revenue | ¥1.08T | 2021-04-01 → 2022-03-31d | Cons. | Operating revenue1 (5-year summary) |
| Revenue | ¥909.1bn | 2020-04-01 → 2021-03-31d | Cons. | Operating revenue1 (5-year summary) |
| Operating income | ¥138.3bn | 2024-04-01 → 2025-03-31 | Cons. | Operating income |
| Operating income | ¥105.7bn | 2023-04-01 → 2024-03-31 | Cons. | Operating income |
| Ordinary income | ¥140.1bn | 2024-04-01 → 2025-03-31 | Cons. | Ordinary income |
| Ordinary income | ¥118.5bn | 2023-04-01 → 2024-03-31 | Cons. | Ordinary income |
| Ordinary income | ¥170.8bn | 2022-04-01 → 2023-03-31d | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥72.8bn | 2021-04-01 → 2022-03-31d | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥60.9bn | 2020-04-01 → 2021-03-31d | Cons. | Ordinary income loss (5-year summary) |
| Profit before tax | ¥140.1bn | 2024-04-01 → 2025-03-31 | Cons. | Income before income taxes |
| Profit before tax | ¥118.5bn | 2023-04-01 → 2024-03-31 | Cons. | Income before income taxes |
| 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 → 2024-03-31 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥113.7bn | 2022-04-01 → 2023-03-31d | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥69.7bn | 2021-04-01 → 2022-03-31d | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥22.4bn | 2020-04-01 → 2021-03-31d | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income | ¥102.5bn | 2024-04-01 → 2025-03-31 | Cons. | Profit loss |
| Net income | ¥84.7bn | 2023-04-01 → 2024-03-31 | Cons. | Profit loss |
| Total assets | ¥3.67T | at 2025-03-31 | Cons. | Assets |
| Total assets | ¥3.48T | at 2024-03-31 | Cons. | Assets |
| Total assets | ¥3.36T | at 2023-03-31d | Cons. | Total assets (5-year summary) |
| Total assets | ¥3.07T | at 2022-03-31d | Cons. | Total assets (5-year summary) |
| Total assets | ¥2.84T | at 2021-03-31d | Cons. | Total assets (5-year summary) |
| Total liabilities | ¥2.21T | at 2025-03-31 | Cons. | Liabilities |
| Total liabilities | ¥2.14T | at 2024-03-31 | Cons. | Liabilities |
| Net assets / equity | ¥1.46T | at 2025-03-31 | Cons. | Net assets |
| Net assets / equity | ¥1.33T | at 2024-03-31 | Cons. | Net assets |
| Net assets / equity | ¥1.19T | at 2023-03-31d | Cons. | Net assets |
| Net assets / equity | ¥1.19T | at 2023-03-31d | Cons. | Net assets (5-year summary) |
| Net assets / equity | ¥964.2bn | at 2022-03-31d | Cons. | Net assets (5-year summary) |
| Net assets / equity | ¥853.7bn | at 2021-03-31d | Cons. | Net assets (5-year summary) |
| Cash and deposits | ¥309.0bn | at 2025-03-31 | Cons. | Cash and deposits |
| Cash and deposits | ¥278.8bn | at 2024-03-31 | Cons. | Cash and deposits |
| Cash & equivalents | ¥373.1bn | at 2025-03-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥370.7bn | at 2024-03-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥334.3bn | at 2023-03-31d | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥222.6bn | at 2022-03-31d | Cons. | Cash and cash equivalents (5-year summary) |
| Cash & equivalents | ¥185.3bn | at 2021-03-31d | Cons. | Cash and cash equivalents (5-year summary) |
| 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 → 2024-03-31 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥155.8bn | 2022-04-01 → 2023-03-31d | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥128.4bn | 2021-04-01 → 2022-03-31d | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥168.0bn | 2020-04-01 → 2021-03-31d | Cons. | Net cash provided by used in operating activities (5-year summary) |
| 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 → 2024-03-31 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥150.8bn | 2022-04-01 → 2023-03-31d | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥178.8bn | 2021-04-01 → 2022-03-31d | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥143.3bn | 2020-04-01 → 2021-03-31d | Cons. | Net cash provided by used in investing activities (5-year summary) |
| 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 → 2024-03-31 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | ¥96.0bn | 2022-04-01 → 2023-03-31d | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | ¥84.1bn | 2021-04-01 → 2022-03-31d | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | ¥7.0bn | 2020-04-01 → 2021-03-31d | Cons. | Net cash provided by used in financing activities (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 → 2024-03-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥621.5 | 2022-04-01 → 2023-03-31d | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥380.7 | 2021-04-01 → 2022-03-31d | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥122.16 | 2020-04-01 → 2021-03-31d | Cons. | Basic earnings loss 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 2024-03-31 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥5,931.99 | at 2023-03-31d | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥5,004.62 | at 2022-03-31d | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥4,420.7 | at 2021-03-31d | Cons. | Net assets per share (5-year summary) |
| Equity ratio | 36.4% | at 2025-03-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 35.0% | at 2024-03-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 32.3% | at 2023-03-31d | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 29.9% | at 2022-03-31d | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 28.5% | at 2021-03-31d | Cons. | Equity to asset ratio (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 → 2024-03-31 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 11.4% | 2022-04-01 → 2023-03-31d | Cons. | Rate of return on equity (5-year summary) |
| ROE | 8.1% | 2021-04-01 → 2022-03-31d | Cons. | Rate of return on equity (5-year summary) |
| ROE | 2.8% | 2020-04-01 → 2021-03-31d | Cons. | Rate of return on equity (5-year summary) |
| Employees | 7,127 | at 2025-03-31 | Cons. | Number of employees |
| Employees | 7,083 | at 2024-03-31 | Cons. | Number of employees |
| Employees | 7,078 | at 2023-03-31d | Cons. | Number of employees |
| Employees | 7,146 | at 2022-03-31d | Cons. | Number of employees |
| Employees | 7,156 | at 2021-03-31d | Cons. | Number of employees |
| Revenue | ¥930.6bn | 2024-04-01 → 2025-03-31 | Standalone | Operating revenue1 |
| Revenue | ¥843.2bn | 2023-04-01 → 2024-03-31 | Standalone | Operating revenue1 |
| Revenue | ¥1.37T | 2022-04-01 → 2023-03-31d | Standalone | Operating revenue1 (5-year summary) |
| Revenue | ¥790.1bn | 2021-04-01 → 2022-03-31d | Standalone | Operating revenue1 (5-year summary) |
| Revenue | ¥589.9bn | 2020-04-01 → 2021-03-31d | Standalone | Operating revenue1 (5-year summary) |
| Operating income | ¥54.7bn | 2024-04-01 → 2025-03-31 | Standalone | Operating income |
| Operating income | ¥5.1bn | 2023-04-01 → 2024-03-31 | Standalone | Operating income |
| Ordinary income | ¥107.5bn | 2024-04-01 → 2025-03-31 | Standalone | Ordinary income |
| Ordinary income | ¥55.2bn | 2023-04-01 → 2024-03-31 | Standalone | Ordinary income |
| Ordinary income | ¥75.3bn | 2022-04-01 → 2023-03-31d | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥58.3bn | 2021-04-01 → 2022-03-31d | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥114.0bn | 2020-04-01 → 2021-03-31d | Standalone | Ordinary income loss (5-year summary) |
| Profit before tax | ¥107.5bn | 2024-04-01 → 2025-03-31 | Standalone | Income before income taxes |
| Profit before tax | ¥55.2bn | 2023-04-01 → 2024-03-31 | Standalone | Income before income taxes |
| Net income | ¥93.2bn | 2024-04-01 → 2025-03-31 | Standalone | Profit loss |
| Net income | ¥52.3bn | 2023-04-01 → 2024-03-31 | Standalone | Profit loss |
| Net income | ¥60.1bn | 2022-04-01 → 2023-03-31d | Standalone | Net income loss (5-year summary) |
| Net income | ¥73.7bn | 2021-04-01 → 2022-03-31d | Standalone | Net income loss (5-year summary) |
| Net income | ¥15.5bn | 2020-04-01 → 2021-03-31d | Standalone | Net income loss (5-year summary) |
| Total assets | ¥2.56T | at 2025-03-31 | Standalone | Assets |
| Total assets | ¥2.53T | at 2024-03-31 | Standalone | Assets |
| Total assets | ¥2.49T | at 2023-03-31d | Standalone | Total assets (5-year summary) |
| Total assets | ¥2.42T | at 2022-03-31d | Standalone | Total assets (5-year summary) |
| Total assets | ¥2.25T | at 2021-03-31d | Standalone | Total assets (5-year summary) |
| Total liabilities | ¥1.66T | at 2025-03-31 | Standalone | Liabilities |
| Total liabilities | ¥1.71T | at 2024-03-31 | Standalone | Liabilities |
| Net assets / equity | ¥900.0bn | at 2025-03-31 | Standalone | Net assets |
| Net assets / equity | ¥825.7bn | at 2024-03-31 | Standalone | Net assets |
| Net assets / equity | ¥772.4bn | at 2023-03-31d | Standalone | Net assets |
| Net assets / equity | ¥742.9bn | at 2022-03-31d | Standalone | Net assets (5-year summary) |
| Net assets / equity | ¥670.5bn | at 2021-03-31d | Standalone | Net assets (5-year summary) |
| Cash and deposits | ¥60.0bn | at 2025-03-31 | Standalone | Cash and deposits |
| Cash and deposits | ¥64.1bn | at 2024-03-31 | Standalone | Cash and deposits |
| 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 → 2024-03-31 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥328.53 | 2022-04-01 → 2023-03-31d | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥402.61 | 2021-04-01 → 2022-03-31d | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥84.85 | 2020-04-01 → 2021-03-31d | Standalone | Basic earnings loss 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 → 2024-03-31 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥90 | 2022-04-01 → 2023-03-31d | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥75 | 2021-04-01 → 2022-03-31d | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥75 | 2020-04-01 → 2021-03-31d | Standalone | Dividend paid 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 2024-03-31 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥4,224.18 | at 2023-03-31d | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥4,058.32 | at 2022-03-31d | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥3,663.12 | at 2021-03-31d | Standalone | Net assets per share (5-year summary) |
| Equity ratio | 35.2% | at 2025-03-31 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 32.6% | at 2024-03-31 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 31.0% | at 2023-03-31d | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 30.7% | at 2022-03-31d | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 29.8% | at 2021-03-31d | Standalone | Equity to asset ratio (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 → 2024-03-31 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 7.9% | 2022-04-01 → 2023-03-31d | Standalone | Rate of return on equity (5-year summary) |
| ROE | 10.4% | 2021-04-01 → 2022-03-31d | Standalone | Rate of return on equity (5-year summary) |
| ROE | 2.3% | 2020-04-01 → 2021-03-31d | Standalone | Rate of return on equity (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 2024-03-31 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 183,051,000 | at 2023-03-31d | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 183,051,000 | at 2022-03-31d | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 183,051,000 | at 2021-03-31d | Standalone | Total number of issued shares (5-year summary) |
| Employees | 1,899 | at 2025-03-31 | Standalone | Number of employees |
| Employees | 1,862 | at 2024-03-31 | Standalone | Number of employees |
| Employees | 1,816 | at 2023-03-31d | Standalone | Number of employees |
| Employees | 1,785 | at 2022-03-31d | Standalone | Number of employees |
| Employees | 1,722 | at 2021-03-31d | 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 2025-03-31 | 118 pure |
| 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 | employees | at 2025-03-31 | 1266 pure |
| 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 | employees | at 2025-03-31 | 668 pure |
| 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 | employees | at 2025-03-31 | 4795 pure |
| 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 | employees | at 2025-03-31 | 280 pure |
| 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 |
| Reconciling Itemsreconciling | capex | 2023-04-01 → 2024-03-31 | −¥1.5bn |
| Reconciling Itemsreconciling | depreciation | 2023-04-01 → 2024-03-31 | −¥766m |
| Reconciling Itemsreconciling | revenue | 2023-04-01 → 2024-03-31 | −¥63.3bn |
| Reconciling Itemsreconciling | revenue intersegment | 2023-04-01 → 2024-03-31 | −¥63.3bn |
| Reconciling Itemsreconciling | segment assets | at 2024-03-31 | −¥249.5bn |
| Reconciling Itemsreconciling | segment ordinary income | 2023-04-01 → 2024-03-31 | −¥787m |
| Electric Power Relatedreportable segment | capex | 2023-04-01 → 2024-03-31 | ¥4.7bn |
| Electric Power Relatedreportable segment | depreciation | 2023-04-01 → 2024-03-31 | ¥8.2bn |
| Electric Power Relatedreportable segment | revenue | 2023-04-01 → 2024-03-31 | ¥119.6bn |
| Electric Power Relatedreportable segment | revenue external | 2023-04-01 → 2024-03-31 | ¥77.9bn |
| Electric Power Relatedreportable segment | revenue intersegment | 2023-04-01 → 2024-03-31 | ¥41.8bn |
| Electric Power Relatedreportable segment | segment assets | at 2024-03-31 | ¥219.7bn |
| Electric Power Relatedreportable segment | segment ordinary income | 2023-04-01 → 2024-03-31 | ¥47.2bn |
| Other Businessesreportable segment | capex | 2023-04-01 → 2024-03-31 | ¥87m |
| Other Businessesreportable segment | depreciation | 2023-04-01 → 2024-03-31 | ¥335m |
| Other Businessesreportable segment | revenue | 2023-04-01 → 2024-03-31 | ¥17.3bn |
| Other Businessesreportable segment | revenue external | 2023-04-01 → 2024-03-31 | ¥16.3bn |
| Other Businessesreportable segment | revenue intersegment | 2023-04-01 → 2024-03-31 | ¥992m |
| Other Businessesreportable segment | segment assets | at 2024-03-31 | ¥15.0bn |
| Other Businessesreportable segment | segment ordinary income | 2023-04-01 → 2024-03-31 | ¥160m |
| Overseasreportable segment | capex | 2023-04-01 → 2024-03-31 | ¥3.8bn |
| Overseasreportable segment | depreciation | 2023-04-01 → 2024-03-31 | ¥23.4bn |
| Overseasreportable segment | revenue | 2023-04-01 → 2024-03-31 | ¥259.3bn |
| Overseasreportable segment | revenue external | 2023-04-01 → 2024-03-31 | ¥259.3bn |
| Overseasreportable segment | segment assets | at 2024-03-31 | ¥947.0bn |
| Overseasreportable segment | segment ordinary income | 2023-04-01 → 2024-03-31 | ¥44.3bn |
| Power Generationreportable segment | capex | 2023-04-01 → 2024-03-31 | ¥93.9bn |
| Power Generationreportable segment | depreciation | 2023-04-01 → 2024-03-31 | ¥68.0bn |
| Power Generationreportable segment | revenue | 2023-04-01 → 2024-03-31 | ¥875.5bn |
| Power Generationreportable segment | revenue external | 2023-04-01 → 2024-03-31 | ¥855.7bn |
| Power Generationreportable segment | revenue intersegment | 2023-04-01 → 2024-03-31 | ¥19.9bn |
| Power Generationreportable segment | segment assets | at 2024-03-31 | ¥2.28T |
| Power Generationreportable segment | segment ordinary income | 2023-04-01 → 2024-03-31 | ¥20.4bn |
| Transmissionand Transformationreportable segment | capex | 2023-04-01 → 2024-03-31 | ¥18.8bn |
| Transmissionand Transformationreportable segment | depreciation | 2023-04-01 → 2024-03-31 | ¥11.1bn |
| Transmissionand Transformationreportable segment | revenue | 2023-04-01 → 2024-03-31 | ¥49.6bn |
| Transmissionand Transformationreportable segment | revenue external | 2023-04-01 → 2024-03-31 | ¥48.9bn |
| Transmissionand Transformationreportable segment | revenue intersegment | 2023-04-01 → 2024-03-31 | ¥643m |
| Transmissionand Transformationreportable segment | segment assets | at 2024-03-31 | ¥259.0bn |
| Transmissionand Transformationreportable segment | segment ordinary income | 2023-04-01 → 2024-03-31 | ¥7.3bn |
| —segment total | capex | 2023-04-01 → 2024-03-31 | ¥121.3bn |
| —segment total | depreciation | 2023-04-01 → 2024-03-31 | ¥111.1bn |
| —segment total | revenue | 2023-04-01 → 2024-03-31 | ¥1.32T |
| —segment total | revenue external | 2023-04-01 → 2024-03-31 | ¥1.26T |
| —segment total | revenue intersegment | 2023-04-01 → 2024-03-31 | ¥63.3bn |
| —segment total | segment assets | at 2024-03-31 | ¥3.73T |
| —segment total | segment ordinary income | 2023-04-01 → 2024-03-31 | ¥119.3bn |
| Otherother segments | employees | at 2025-03-31 | 2 pure |
| Overseasreportable segment | employees | at 2025-03-31 | 89 pure |
| Power Generationreportable segment | employees | at 2025-03-31 | 1808 pure |
Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.
All source rows · 2,024
| Item | Context | Value | Unit |
|---|---|---|---|
| Independent auditors report consolidated (text) | FilingDateInstant | Text · Plus | |
| Audit firm1 consolidated | FilingDateInstant | Original text (Japanese)EY新日本有限責任監査法人 | |
| Cpa1 audit firm1 consolidated | FilingDateInstant | Original text (Japanese)佐 藤 森 夫 | |
| Cpa3 audit firm1 consolidated | FilingDateInstant | Original text (Japanese)前 田 康 雄 | |
| Key audit matters consolidated (text) | FilingDateInstant | Text · Plus | |
| Overview kam consolidated (text) | FilingDateInstant | Text · Plus | |
| Short description kam consolidated | FilingDateInstant_Row1Member | Original text (Japanese)大間原子力発電所計画に関連する建設仮勘定の評価 | |
| Description including reason kam consolidated (text) | FilingDateInstant_Row1Member | Text · Plus | |
| Reference kam consolidated | FilingDateInstant_Row1Member | Original text (Japanese)注記事項（重要な会計上の見積り） | |
| Auditors response kam consolidated (text) | FilingDateInstant_Row1Member | Text · Plus | |
| Other information consolidated (text) | FilingDateInstant | Text · Plus | |
| Fee related information consolidated (text) | FilingDateInstant | Text · Plus | |
| Independent auditors report non consolidated (text) | FilingDateInstant | Text · Plus | |
| Audit firm1 non consolidated | FilingDateInstant | Original text (Japanese)EY新日本有限責任監査法人 | |
| Cpa1 audit firm1 non consolidated | FilingDateInstant | Original text (Japanese)佐 藤 森 夫 | |
| Cpa3 audit firm1 non consolidated | FilingDateInstant | Original text (Japanese)前 田 康 雄 | |
| Key audit matters non consolidated (text) | FilingDateInstant | Text · Plus | |
| Overview kam non consolidated (text) | FilingDateInstant | Text · Plus | |
| Short description kam non consolidated | FilingDateInstant_Row1Member | Original text (Japanese)大間原子力発電所計画に関連する建設仮勘定の評価 | |
| Same as kam for consolidated fskam non consolidated (text) | FilingDateInstant_Row1Member | Text · Plus | |
| Reference kam non consolidated | FilingDateInstant_Row1Member | Original text (Japanese)注記事項（重要な会計上の見積り） | |
| Other information non consolidated (text) | FilingDateInstant | Text · Plus | |
| Fee related information non consolidated (text) | FilingDateInstant | Text · Plus | |
| Number of submission | FilingDateInstant | 1 | |
| Operating revenue1 (5-year summary) | Prior4YearDuration | 909144000000 | JPY |
| Operating revenue1 (5-year summary) | Prior3YearDuration | 1084621000000 | JPY |
| Operating revenue1 (5-year summary) | Prior2YearDuration | 1841922000000 | JPY |
| Operating revenue1 (5-year summary) | Prior1YearDuration | 1257998000000 | JPY |
| Operating revenue1 (5-year summary) | CurrentYearDuration | 1316674000000 | JPY |
| Ordinary income loss (5-year summary) | Prior4YearDuration | 60903000000 | JPY |
| Ordinary income loss (5-year summary) | Prior3YearDuration | 72846000000 | JPY |
| Ordinary income loss (5-year summary) | Prior2YearDuration | 170792000000 | JPY |
| Ordinary income loss (5-year summary) | Prior1YearDuration | 118535000000 | JPY |
| Ordinary income loss (5-year summary) | CurrentYearDuration | 140095000000 | JPY |
| Profit loss attributable to owners of parent (5-year summary) | Prior4YearDuration | 22361000000 | JPY |
| Profit loss attributable to owners of parent (5-year summary) | Prior3YearDuration | 69687000000 | JPY |
| Profit loss attributable to owners of parent (5-year summary) | Prior2YearDuration | 113689000000 | JPY |
| Profit loss attributable to owners of parent (5-year summary) | Prior1YearDuration | 77774000000 | JPY |
| Profit loss attributable to owners of parent (5-year summary) | CurrentYearDuration | 92469000000 | JPY |
| Comprehensive income (5-year summary) | Prior4YearDuration | 19686000000 | JPY |
| Comprehensive income (5-year summary) | Prior3YearDuration | 129418000000 | JPY |
| Comprehensive income (5-year summary) | Prior2YearDuration | 194719000000 | JPY |
| Comprehensive income (5-year summary) | Prior1YearDuration | 159656000000 | JPY |
| Comprehensive income (5-year summary) | CurrentYearDuration | 157033000000 | JPY |
| Net assets (5-year summary) | Prior4YearInstant | 853742000000 | JPY |
| Net assets (5-year summary) | Prior3YearInstant | 964162000000 | JPY |
| Net assets (5-year summary) | Prior2YearInstant | 1192800000000 | JPY |
| Net assets (5-year summary) | Prior1YearInstant | 1333135000000 | JPY |
| Net assets (5-year summary) | CurrentYearInstant | 1463502000000 | JPY |
| Total assets (5-year summary) | Prior4YearInstant | 2842016000000 | 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 · 23 of 24 passed
| balance sheet identity | pass |
| balance sheet identity | pass |
| balance sheet identity | pass |
| balance sheet identity | pass |
| dei present | pass |
| period resolution | pass |
| statement vs summary · net assets | mismatch |
| 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 |