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 |
|---|---|---|---|
| Name of securities details of specified investment equity securities held for purposes other than pure investment reporting company | CurrentYearInstant_Row5Member | Original text (Japanese)㈱Ｔ＆Ｄホールディングス | |
| Purpose of shareholding overview of business alliance quantitative effects of shareholding and reason for increase in number of shares details of specified investment shares held for purposes other than pure investment reporting company | CurrentYearInstant_Row5Member | Original text (Japanese)資金調達における安定的な供給元。金融取引基盤の維持・強化を目的として保有。 | |
| Whether issuer of aforementioned shares holds reporting companys shares details of specified investment shares held for purposes other than pure investment reporting company | CurrentYearInstant_Row5Member | Original text (Japanese)無(注３) | |
| Name of securities details of specified investment equity securities held for purposes other than pure investment reporting company | CurrentYearInstant_Row6Member | Original text (Japanese)東日本旅客鉄道㈱ | |
| Purpose of shareholding overview of business alliance quantitative effects of shareholding and reason for increase in number of shares details of specified investment shares held for purposes other than pure investment reporting company | CurrentYearInstant_Row6Member | Original text (Japanese)風力発電事業における協働事業検討の相手先。事業上の関係の維持・強化・構築を目的として保有。 | |
| Whether issuer of aforementioned shares holds reporting companys shares details of specified investment shares held for purposes other than pure investment reporting company | CurrentYearInstant_Row6Member | Original text (Japanese)有 | |
| Name of securities details of specified investment equity securities held for purposes other than pure investment reporting company | CurrentYearInstant_Row7Member | Original text (Japanese)飯野海運㈱ | |
| Purpose of shareholding overview of business alliance quantitative effects of shareholding and reason for increase in number of shares details of specified investment shares held for purposes other than pure investment reporting company | CurrentYearInstant_Row7Member | Original text (Japanese)火力発電事業(石炭輸送)における重要取引先。営業上の取引基盤の維持・強化を目的として保有。 | |
| Whether issuer of aforementioned shares holds reporting companys shares details of specified investment shares held for purposes other than pure investment reporting company | CurrentYearInstant_Row7Member | Original text (Japanese)有 | |
| Name of securities details of specified investment equity securities held for purposes other than pure investment reporting company | CurrentYearInstant_Row8Member | Original text (Japanese)東海旅客鉄道㈱ | |
| Purpose of shareholding overview of business alliance quantitative effects of shareholding and reason for increase in number of shares details of specified investment shares held for purposes other than pure investment reporting company | CurrentYearInstant_Row8Member | Original text (Japanese)発電事業(非化石価値)における重要取引先。営業上の取引基盤の維持・強化を目的として保有。 | |
| Whether issuer of aforementioned shares holds reporting companys shares details of specified investment shares held for purposes other than pure investment reporting company | CurrentYearInstant_Row8Member | Original text (Japanese)有 | |
| Name of securities details of specified investment equity securities held for purposes other than pure investment reporting company | CurrentYearInstant_Row9Member | Original text (Japanese)㈱日立製作所 | |
| Purpose of shareholding overview of business alliance quantitative effects of shareholding and reason for increase in number of shares details of specified investment shares held for purposes other than pure investment reporting company | CurrentYearInstant_Row9Member | Original text (Japanese)発電事業(発電プラントの建設、保守等)における重要取引先。営業上の取引基盤の維持・強化を目的として保有。 | |
| Whether issuer of aforementioned shares holds reporting companys shares details of specified investment shares held for purposes other than pure investment reporting company | CurrentYearInstant_Row9Member | Original text (Japanese)有 | |
| Name of securities details of specified investment equity securities held for purposes other than pure investment reporting company | CurrentYearInstant_Row10Member | Original text (Japanese)月島ホールディングス㈱ | |
| Purpose of shareholding overview of business alliance quantitative effects of shareholding and reason for increase in number of shares details of specified investment shares held for purposes other than pure investment reporting company | CurrentYearInstant_Row10Member | Original text (Japanese)汚泥燃料化合弁事業の相手先。協働事業展開の維持・強化を目的として保有。 | |
| Whether issuer of aforementioned shares holds reporting companys shares details of specified investment shares held for purposes other than pure investment reporting company | CurrentYearInstant_Row10Member | Original text (Japanese)有 | |
| Name of securities details of specified investment equity securities held for purposes other than pure investment reporting company | CurrentYearInstant_Row11Member | Original text (Japanese)日本郵船㈱ | |
| Purpose of shareholding overview of business alliance quantitative effects of shareholding and reason for increase in number of shares details of specified investment shares held for purposes other than pure investment reporting company | CurrentYearInstant_Row11Member | Original text (Japanese)火力発電事業(石炭輸送)における重要取引先。営業上の取引基盤の維持・強化を目的として保有。 | |
| Whether issuer of aforementioned shares holds reporting companys shares details of specified investment shares held for purposes other than pure investment reporting company | CurrentYearInstant_Row11Member | Original text (Japanese)有 | |
| Name of securities details of specified investment equity securities held for purposes other than pure investment reporting company | CurrentYearInstant_Row12Member | Original text (Japanese)㈱大林組 | |
| Purpose of shareholding overview of business alliance quantitative effects of shareholding and reason for increase in number of shares details of specified investment shares held for purposes other than pure investment reporting company | CurrentYearInstant_Row12Member | Original text (Japanese)発電事業(建設等)における重要取引先。営業上の取引基盤の維持・強化を目的として保有。 | |
| Whether issuer of aforementioned shares holds reporting companys shares details of specified investment shares held for purposes other than pure investment reporting company | CurrentYearInstant_Row12Member | Original text (Japanese)有 | |
| Name of securities details of specified investment equity securities held for purposes other than pure investment reporting company | CurrentYearInstant_Row13Member | Original text (Japanese)㈱日本製鋼所 | |
| Purpose of shareholding overview of business alliance quantitative effects of shareholding and reason for increase in number of shares details of specified investment shares held for purposes other than pure investment reporting company | CurrentYearInstant_Row13Member | Original text (Japanese)風力発電事業(保守等)における重要取引先。営業上の取引基盤の維持・強化を目的として保有。 | |
| Whether issuer of aforementioned shares holds reporting companys shares details of specified investment shares held for purposes other than pure investment reporting company | CurrentYearInstant_Row13Member | Original text (Japanese)有 | |
| Name of securities details of specified investment equity securities held for purposes other than pure investment reporting company | CurrentYearInstant_Row14Member | Original text (Japanese)日本製鉄㈱ | |
| Purpose of shareholding overview of business alliance quantitative effects of shareholding and reason for increase in number of shares details of specified investment shares held for purposes other than pure investment reporting company | CurrentYearInstant_Row14Member | Original text (Japanese)火力発電合弁事業の相手先。協働事業展開の維持・強化を目的として保有。 | |
| Whether issuer of aforementioned shares holds reporting companys shares details of specified investment shares held for purposes other than pure investment reporting company | CurrentYearInstant_Row14Member | Original text (Japanese)有 | |
| Name of securities details of specified investment equity securities held for purposes other than pure investment reporting company | CurrentYearInstant_Row15Member | Green Earth Institute㈱ | |
| Purpose of shareholding overview of business alliance quantitative effects of shareholding and reason for increase in number of shares details of specified investment shares held for purposes other than pure investment reporting company | CurrentYearInstant_Row15Member | Original text (Japanese)バイオマス燃料製造に関する共同検討先。事業上の関係の維持・強化・構築を目的として保有。 | |
| Whether issuer of aforementioned shares holds reporting companys shares details of specified investment shares held for purposes other than pure investment reporting company | CurrentYearInstant_Row15Member | Original text (Japanese)無 | |
| Name of securities details of specified investment equity securities held for purposes other than pure investment reporting company | CurrentYearInstant_Row16Member | Original text (Japanese)㈱商船三井 | |
| Purpose of shareholding overview of business alliance quantitative effects of shareholding and reason for increase in number of shares details of specified investment shares held for purposes other than pure investment reporting company | CurrentYearInstant_Row16Member | Text · Plus | |
| Whether issuer of aforementioned shares holds reporting companys shares details of specified investment shares held for purposes other than pure investment reporting company | CurrentYearInstant_Row16Member | Original text (Japanese)無 | |
| Name of securities details of deemed holdings of equity securities held for purposes other than pure investment reporting company | CurrentYearInstant_Row1Member | ㈱INPEX | |
| Purpose of shareholding overview of business alliance quantitative effects of shareholding and reason for increase in number of shares details of deemed holdings of shares held for purposes other than pure investment reporting company | CurrentYearInstant_Row1Member | Text · Plus | |
| Whether issuer of aforementioned shares holds reporting companys shares details of deemed holdings of shares held for purposes other than pure investment reporting company | CurrentYearInstant_Row1Member | Original text (Japanese)無 | |
| Footnotes deemed holdings of shares held for purposes other than pure investment reporting company (text) | CurrentYearInstant_Row1Member | Text · Plus | |
| Footnotes deemed holdings of shares held for purposes other than pure investment reporting company (text) | CurrentYearInstant_Row2Member | Text · Plus | |
| Footnotes deemed holdings of shares held for purposes other than pure investment reporting company (text) | CurrentYearInstant_Row3Member | Text · Plus | |
| Footnotes deemed holdings of shares held for purposes other than pure investment reporting company (text) | CurrentYearInstant_Row4Member | Text · Plus | |
| Basic policy on human resources strategy employees etc (text) | FilingDateInstant | Text · Plus | |
| Information about employees (text) | FilingDateInstant | Text · Plus | |
| Reporting company metrics of reporting company | CurrentYearInstant_NonConsolidatedMember | Original text (Japanese)電源開発㈱ | |
| Consolidated subsidiaries metrics of consolidated subsidiaries | CurrentYearInstant_Row1Member | Original text (Japanese)㈱J-POWERビジネスサービス | |
| Consolidated subsidiaries metrics of consolidated subsidiaries | CurrentYearInstant_Row2Member | Original text (Japanese)㈱J-POWERハイテック | |
| Consolidated subsidiaries metrics of consolidated subsidiaries | CurrentYearInstant_Row3Member | Original text (Japanese)J-POWERジェネレーションサービス㈱ | |
| Consolidated subsidiaries metrics of consolidated subsidiaries | CurrentYearInstant_Row4Member | Original text (Japanese)J-POWERテレコミュニケーションサービス㈱ |
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 |