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 |
|---|---|---|---|
| Filer name in japanese | FilingDateInstant | Original text (Japanese)電源開発株式会社 | |
| Filer name in english | FilingDateInstant | Electric Power Development Co., Ltd. | |
| Fund name in japanese | FilingDateInstant | － | |
| Fund name in english | FilingDateInstant | － | |
| Cabinet office ordinance | FilingDateInstant | Original text (Japanese)企業内容等の開示に関する内閣府令 | |
| Document type | FilingDateInstant | Original text (Japanese)第三号様式 | |
| Accounting standards | FilingDateInstant | Japan GAAP | |
| Whether consolidated financial statements are prepared | FilingDateInstant | true | |
| Industry code when consolidated financial statements are prepared in accordance with industry specific regulations | FilingDateInstant | cte | |
| Industry code when financial statements are prepared in accordance with industry specific regulations | FilingDateInstant | cte | |
| Current fiscal year start date | FilingDateInstant | 2025-04-01 | |
| Current period end date | FilingDateInstant | 2026-03-31 | |
| Type of current period | FilingDateInstant | FY | |
| Current fiscal year end date | FilingDateInstant | 2026-03-31 | |
| Previous fiscal year start date | FilingDateInstant | 2024-04-01 | |
| Comparative period end date | FilingDateInstant | 2025-03-31 | |
| Previous fiscal year end date | FilingDateInstant | 2025-03-31 | |
| Next fiscal year start date | FilingDateInstant | － | |
| End date of quarterly or semi annual period of next fiscal year | FilingDateInstant | － | |
| Amendment flag | FilingDateInstant | false | |
| Identification of document subject to amendment | FilingDateInstant | － | |
| Report amendment flag | FilingDateInstant | false | |
| Xbrl amendment flag | FilingDateInstant | false | |
| Business results of group (text) | FilingDateInstant | Text · Plus | |
| Business results of reporting company (text) | FilingDateInstant | Text · Plus | |
| Company history (text) | FilingDateInstant | Text · Plus | |
| Description of business (text) | FilingDateInstant | Text · Plus | |
| Overview of affiliated entities (text) | FilingDateInstant | Text · Plus | |
| Business policy business environment issues to address etc (text) | FilingDateInstant | Text · Plus | |
| Disclosure of sustainability related financial information (text) | FilingDateInstant | Text · Plus | |
| Reference to other information | FilingDateInstant | Original text (Japanese)当社ウェブサイト | |
| Governance (text) | FilingDateInstant | Text · Plus | |
| Strategy (text) | FilingDateInstant | Text · Plus | |
| Reference to other information1 strategy (text) | FilingDateInstant | Text · Plus | |
| Reference to other information2 strategy (text) | FilingDateInstant | Text · Plus | |
| Policy on development of human resources and internal environment strategy (text) | FilingDateInstant | Text · Plus | |
| Reference to other information3 startegy (text) | FilingDateInstant | Text · Plus | |
| Risk management (text) | FilingDateInstant | Text · Plus | |
| Metrics and targets (text) | FilingDateInstant | Text · Plus | |
| Reference to other information metrics and targets | FilingDateInstant | Original text (Japanese)統合報告書2026 | |
| Description of metrics related to policy on development of human resources and internal environment and targets and performance using such metrics metrics and targets (text) | FilingDateInstant | Text · Plus | |
| Metrics description of metrics related to policy on development of human resources and internal environment and targets and performance using such metrics | CurrentYearInstant_Row1Member | Original text (Japanese)従業員当たりの研修平均時間 | |
| Metrics unit description of metrics related to policy on development of human resources and internal environment and targets and performance using such metrics | CurrentYearInstant_Row1Member | Original text (Japanese)時間／人 | |
| Metrics description of metrics related to policy on development of human resources and internal environment and targets and performance using such metrics | CurrentYearInstant_Row2Member | Original text (Japanese)従業員当たりの研修費用 | |
| Metrics unit description of metrics related to policy on development of human resources and internal environment and targets and performance using such metrics | CurrentYearInstant_Row2Member | Original text (Japanese)千円／人 | |
| Metrics description of metrics related to policy on development of human resources and internal environment and targets and performance using such metrics | CurrentYearInstant_Row3Member | Original text (Japanese)人間ドック高受診率（90％以上）の維持・向上 | |
| Metrics unit description of metrics related to policy on development of human resources and internal environment and targets and performance using such metrics | CurrentYearInstant_Row3Member | ％ | |
| Metrics description of metrics related to policy on development of human resources and internal environment and targets and performance using such metrics | CurrentYearInstant_Row4Member | Original text (Japanese)エンゲージメント調査スコア 昨年度同等以上 | |
| Metrics description of metrics related to policy on development of human resources and internal environment and targets and performance using such metrics | CurrentYearInstant_Row5Member | Original text (Japanese)女性役付社員数 | |
| Target period description of metrics related to policy on development of human resources and internal environment and targets and performance using such metrics | CurrentYearInstant_Row5Member | Original text (Japanese)2030年まで |
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 |