Annual report
9507.TEDINET S100YH23
Period2025-04-01 → 2026-03-31
Filed2026-06-24
StandardJapan GAAP
ConsolidatedYes
Data checks22 of 22 passed
Key figures · 147
| Metric | Value | Period | Scope | Source row |
|---|---|---|---|---|
| Revenue | ¥761.9bn | 2025-04-01 → 2026-03-31 | Cons. | Net sales |
| Revenue | ¥851.4bn | 2024-04-01 → 2025-03-31 | Cons. | Net sales |
| Revenue | ¥787.4bn | 2023-04-01 → 2024-03-31v | Cons. | Operating revenue1 (5-year summary) |
| Revenue | ¥833.2bn | 2022-04-01 → 2023-03-31v | Cons. | Operating revenue1 (5-year summary) |
| Revenue | ¥641.9bn | 2021-04-01 → 2022-03-31v | Cons. | Operating revenue1 (5-year summary) |
| Operating income | ¥67.8bn | 2025-04-01 → 2026-03-31 | Cons. | Operating income |
| Operating income | ¥89.1bn | 2024-04-01 → 2025-03-31 | Cons. | Operating income |
| Ordinary income | ¥67.9bn | 2025-04-01 → 2026-03-31 | Cons. | Ordinary income |
| Ordinary income | ¥91.6bn | 2024-04-01 → 2025-03-31 | Cons. | Ordinary income |
| Ordinary income | ¥80.1bn | 2023-04-01 → 2024-03-31v | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | −¥22.5bn | 2022-04-01 → 2023-03-31v | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | −¥12.1bn | 2021-04-01 → 2022-03-31v | Cons. | Ordinary income loss (5-year summary) |
| Profit before tax | ¥67.9bn | 2025-04-01 → 2026-03-31 | Cons. | Income before income taxes |
| Profit before tax | ¥91.6bn | 2024-04-01 → 2025-03-31 | Cons. | Income before income taxes |
| Net income (owners) | ¥50.8bn | 2025-04-01 → 2026-03-31 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥68.3bn | 2024-04-01 → 2025-03-31 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥60.5bn | 2023-04-01 → 2024-03-31v | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | −¥22.9bn | 2022-04-01 → 2023-03-31v | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | −¥6.3bn | 2021-04-01 → 2022-03-31v | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income | ¥51.0bn | 2025-04-01 → 2026-03-31 | Cons. | Profit loss |
| Net income | ¥68.5bn | 2024-04-01 → 2025-03-31 | Cons. | Profit loss |
| Total assets | ¥1.73T | at 2026-03-31 | Cons. | Assets |
| Total assets | ¥1.69T | at 2025-03-31 | Cons. | Assets |
| Total assets | ¥1.63T | at 2024-03-31v | Cons. | Total assets (5-year summary) |
| Total assets | ¥1.61T | at 2023-03-31v | Cons. | Total assets (5-year summary) |
| Total assets | ¥1.50T | at 2022-03-31v | Cons. | Total assets (5-year summary) |
| Total liabilities | ¥1.26T | at 2026-03-31 | Cons. | Liabilities |
| Total liabilities | ¥1.25T | at 2025-03-31 | Cons. | Liabilities |
| Net assets / equity | ¥477.5bn | at 2026-03-31 | Cons. | Net assets |
| Net assets / equity | ¥440.8bn | at 2025-03-31 | Cons. | Net assets |
| Net assets / equity | ¥363.2bn | at 2024-03-31v | Cons. | Net assets |
| Net assets / equity | ¥298.3bn | at 2023-03-31v | Cons. | Net assets (5-year summary) |
| Net assets / equity | ¥315.3bn | at 2022-03-31v | Cons. | Net assets (5-year summary) |
| Cash and deposits | ¥78.6bn | at 2026-03-31 | Cons. | Cash and deposits |
| Cash and deposits | ¥130.2bn | at 2025-03-31 | Cons. | Cash and deposits |
| Cash & equivalents | ¥78.6bn | at 2026-03-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥130.1bn | at 2025-03-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥118.3bn | at 2024-03-31v | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥105.9bn | at 2023-03-31v | Cons. | Cash and cash equivalents (5-year summary) |
| Cash & equivalents | ¥72.9bn | at 2022-03-31v | Cons. | Cash and cash equivalents (5-year summary) |
| Operating cash flow | ¥82.3bn | 2025-04-01 → 2026-03-31 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥129.8bn | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥143.7bn | 2023-04-01 → 2024-03-31v | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥36.1bn | 2022-04-01 → 2023-03-31v | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥49.8bn | 2021-04-01 → 2022-03-31v | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Investing cash flow | −¥150.0bn | 2025-04-01 → 2026-03-31 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥92.9bn | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥97.3bn | 2023-04-01 → 2024-03-31v | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥91.6bn | 2022-04-01 → 2023-03-31v | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥125.1bn | 2021-04-01 → 2022-03-31v | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Financing cash flow | ¥15.4bn | 2025-04-01 → 2026-03-31 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥25.3bn | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥34.2bn | 2023-04-01 → 2024-03-31v | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | ¥84.8bn | 2022-04-01 → 2023-03-31v | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | ¥82.3bn | 2021-04-01 → 2022-03-31v | Cons. | Net cash provided by used in financing activities (5-year summary) |
| EPS (basic) | ¥247.27 | 2025-04-01 → 2026-03-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥332.2 | 2024-04-01 → 2025-03-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥294.25 | 2023-04-01 → 2024-03-31v | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥-111.19 | 2022-04-01 → 2023-03-31v | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥-30.44 | 2021-04-01 → 2022-03-31v | Cons. | Basic earnings loss per share (5-year summary) |
| Net assets per share | ¥2,321.97 | at 2026-03-31 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥2,129.65 | at 2025-03-31 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥1,752.83 | at 2024-03-31v | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥1,438.32 | at 2023-03-31v | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥1,520.93 | at 2022-03-31v | Cons. | Net assets per share (5-year summary) |
| Equity ratio | 27.4% | at 2026-03-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 26.0% | at 2025-03-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 22.1% | at 2024-03-31v | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 18.3% | at 2023-03-31v | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 20.8% | at 2022-03-31v | Cons. | Equity to asset ratio (5-year summary) |
| ROE | 11.1% | 2025-04-01 → 2026-03-31 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 17.1% | 2024-04-01 → 2025-03-31 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 18.4% | 2023-04-01 → 2024-03-31v | Cons. | Rate of return on equity (5-year summary) |
| ROE | -7.5% | 2022-04-01 → 2023-03-31v | Cons. | Rate of return on equity (5-year summary) |
| ROE | -2.0% | 2021-04-01 → 2022-03-31v | Cons. | Rate of return on equity (5-year summary) |
| Employees | 7,931 | at 2026-03-31 | Cons. | Number of employees |
| Employees | 7,962 | at 2025-03-31 | Cons. | Number of employees |
| Employees | 8,018 | at 2024-03-31v | Cons. | Number of employees |
| Employees | 8,030 | at 2023-03-31v | Cons. | Number of employees |
| Employees | 8,074 | at 2022-03-31v | Cons. | Number of employees |
| Revenue | ¥643.9bn | 2025-04-01 → 2026-03-31 | Standalone | Operating revenue1 (5-year summary) |
| Revenue | ¥723.9bn | 2024-04-01 → 2025-03-31 | Standalone | Operating revenue1 (5-year summary) |
| Revenue | ¥684.7bn | 2023-04-01 → 2024-03-31v | Standalone | Operating revenue1 (5-year summary) |
| Revenue | ¥723.6bn | 2022-04-01 → 2023-03-31v | Standalone | Operating revenue1 (5-year summary) |
| Revenue | ¥524.0bn | 2021-04-01 → 2022-03-31v | Standalone | Operating revenue1 (5-year summary) |
| Operating income | ¥37.6bn | 2025-04-01 → 2026-03-31 | Standalone | Operating income |
| Operating income | ¥42.9bn | 2024-04-01 → 2025-03-31 | Standalone | Operating income |
| Ordinary income | ¥45.0bn | 2025-04-01 → 2026-03-31 | Standalone | Ordinary income |
| Ordinary income | ¥54.3bn | 2024-04-01 → 2025-03-31 | Standalone | Ordinary income |
| Ordinary income | ¥51.5bn | 2023-04-01 → 2024-03-31v | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | −¥30.3bn | 2022-04-01 → 2023-03-31v | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | −¥29.0bn | 2021-04-01 → 2022-03-31v | Standalone | Ordinary income loss (5-year summary) |
| Profit before tax | ¥45.0bn | 2025-04-01 → 2026-03-31 | Standalone | Income before income taxes |
| Profit before tax | ¥54.3bn | 2024-04-01 → 2025-03-31 | Standalone | Income before income taxes |
| Net income | ¥35.7bn | 2025-04-01 → 2026-03-31 | Standalone | Profit loss |
| Net income | ¥43.4bn | 2024-04-01 → 2025-03-31 | Standalone | Profit loss |
| Net income | ¥42.9bn | 2023-04-01 → 2024-03-31v | Standalone | Net income loss (5-year summary) |
| Net income | −¥23.5bn | 2022-04-01 → 2023-03-31v | Standalone | Net income loss (5-year summary) |
| Net income | −¥13.0bn | 2021-04-01 → 2022-03-31v | Standalone | Net income loss (5-year summary) |
| Total assets | ¥1.53T | at 2026-03-31 | Standalone | Assets |
| Total assets | ¥1.50T | at 2025-03-31 | Standalone | Assets |
| Total assets | ¥1.48T | at 2024-03-31v | Standalone | Total assets (5-year summary) |
| Total assets | ¥1.48T | at 2023-03-31v | Standalone | Total assets (5-year summary) |
| Total assets | ¥1.38T | at 2022-03-31v | Standalone | Total assets (5-year summary) |
| Total liabilities | ¥1.21T | at 2026-03-31 | Standalone | Liabilities |
| Total liabilities | ¥1.20T | at 2025-03-31 | Standalone | Liabilities |
| Net assets / equity | ¥321.9bn | at 2026-03-31 | Standalone | Net assets |
| Net assets / equity | ¥295.6bn | at 2025-03-31 | Standalone | Net assets |
| Net assets / equity | ¥261.6bn | at 2024-03-31v | Standalone | Net assets |
| Net assets / equity | ¥222.4bn | at 2023-03-31v | Standalone | Net assets (5-year summary) |
| Net assets / equity | ¥251.3bn | at 2022-03-31v | Standalone | Net assets (5-year summary) |
| Cash and deposits | ¥76.8bn | at 2026-03-31 | Standalone | Cash and deposits |
| Cash and deposits | ¥123.0bn | at 2025-03-31 | Standalone | Cash and deposits |
| EPS (basic) | ¥172.5 | 2025-04-01 → 2026-03-31 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥209.41 | 2024-04-01 → 2025-03-31 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥206.89 | 2023-04-01 → 2024-03-31v | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥-113.32 | 2022-04-01 → 2023-03-31v | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥-62.93 | 2021-04-01 → 2022-03-31v | Standalone | Basic earnings loss per share (5-year summary) |
| Dividend per share | ¥50 | 2025-04-01 → 2026-03-31 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥40 | 2024-04-01 → 2025-03-31 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥30 | 2023-04-01 → 2024-03-31v | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥30 | 2021-04-01 → 2022-03-31v | Standalone | Dividend paid per share (5-year summary) |
| Net assets per share | ¥1,566.84 | at 2026-03-31 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥1,425.94 | at 2025-03-31 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥1,262.19 | at 2024-03-31v | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥1,073.2 | at 2023-03-31v | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥1,211.84 | at 2022-03-31v | Standalone | Net assets per share (5-year summary) |
| Equity ratio | 21.0% | at 2026-03-31 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 19.7% | at 2025-03-31 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 17.7% | at 2024-03-31v | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 15.0% | at 2023-03-31v | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 18.1% | at 2022-03-31v | Standalone | Equity to asset ratio (5-year summary) |
| ROE | 11.6% | 2025-04-01 → 2026-03-31 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 15.6% | 2024-04-01 → 2025-03-31 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 17.7% | 2023-04-01 → 2024-03-31v | Standalone | Rate of return on equity (5-year summary) |
| ROE | -9.9% | 2022-04-01 → 2023-03-31v | Standalone | Rate of return on equity (5-year summary) |
| ROE | -5.0% | 2021-04-01 → 2022-03-31v | Standalone | Rate of return on equity (5-year summary) |
| Shares issued | 207,528,000 | at 2026-03-31 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 207,528,000 | at 2025-03-31 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 207,528,000 | at 2024-03-31v | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 207,528,000 | at 2023-03-31v | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 223,086,000 | at 2022-03-31v | Standalone | Total number of issued shares (5-year summary) |
| Employees | 2,111 | at 2026-03-31 | Standalone | Number of employees |
| Employees | 2,121 | at 2025-03-31 | Standalone | Number of employees |
| Employees | 2,170 | at 2024-03-31v | Standalone | Number of employees |
| Employees | 2,199 | at 2023-03-31v | Standalone | Number of employees |
| Employees | 2,243 | 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 · 115
| Segment | Item | Period | Value |
|---|---|---|---|
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | capex | 2025-04-01 → 2026-03-31 | ¥10.0bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | employees | at 2026-03-31 | 1385 pure |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue | 2025-04-01 → 2026-03-31 | ¥42.2bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue external | 2025-04-01 → 2026-03-31 | ¥11.8bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue intersegment | 2025-04-01 → 2026-03-31 | ¥30.4bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | segment assets | at 2026-03-31 | ¥72.6bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | segment ordinary income | 2025-04-01 → 2026-03-31 | ¥3.9bn |
| Reconciling Itemsreconciling | capex | 2025-04-01 → 2026-03-31 | −¥2.2bn |
| Reconciling Itemsreconciling | revenue | 2025-04-01 → 2026-03-31 | −¥279.8bn |
| Reconciling Itemsreconciling | revenue intersegment | 2025-04-01 → 2026-03-31 | −¥279.8bn |
| Reconciling Itemsreconciling | segment assets | at 2026-03-31 | −¥531.8bn |
| Reconciling Itemsreconciling | segment ordinary income | 2025-04-01 → 2026-03-31 | −¥1.3bn |
| Construction Engineeringreportable segment | capex | 2025-04-01 → 2026-03-31 | ¥251m |
| Construction Engineeringreportable segment | employees | at 2026-03-31 | 1409 pure |
| Construction Engineeringreportable segment | revenue | 2025-04-01 → 2026-03-31 | ¥58.9bn |
| Construction Engineeringreportable segment | revenue external | 2025-04-01 → 2026-03-31 | ¥24.2bn |
| Construction Engineeringreportable segment | revenue intersegment | 2025-04-01 → 2026-03-31 | ¥34.7bn |
| Construction Engineeringreportable segment | segment assets | at 2026-03-31 | ¥63.7bn |
| Construction Engineeringreportable segment | segment ordinary income | 2025-04-01 → 2026-03-31 | ¥5.2bn |
| Energyreportable segment | capex | 2025-04-01 → 2026-03-31 | ¥7.8bn |
| Energyreportable segment | employees | at 2026-03-31 | 287 pure |
| Energyreportable segment | revenue | 2025-04-01 → 2026-03-31 | ¥27.1bn |
| Energyreportable segment | revenue external | 2025-04-01 → 2026-03-31 | ¥23.1bn |
| Energyreportable segment | revenue intersegment | 2025-04-01 → 2026-03-31 | ¥4.0bn |
| Energyreportable segment | segment assets | at 2026-03-31 | ¥126.3bn |
| Energyreportable segment | segment ordinary income | 2025-04-01 → 2026-03-31 | ¥5.4bn |
| Information Technology Communicationsreportable segment | capex | 2025-04-01 → 2026-03-31 | ¥5.2bn |
| Information Technology Communicationsreportable segment | employees | at 2026-03-31 | 843 pure |
| Information Technology Communicationsreportable segment | revenue | 2025-04-01 → 2026-03-31 | ¥52.8bn |
| Information Technology Communicationsreportable segment | revenue external | 2025-04-01 → 2026-03-31 | ¥40.4bn |
| Information Technology Communicationsreportable segment | revenue intersegment | 2025-04-01 → 2026-03-31 | ¥12.3bn |
| Information Technology Communicationsreportable segment | segment assets | at 2026-03-31 | ¥72.1bn |
| Information Technology Communicationsreportable segment | segment ordinary income | 2025-04-01 → 2026-03-31 | ¥11.3bn |
| Power Generation And Salesreportable segment | capex | 2025-04-01 → 2026-03-31 | ¥67.5bn |
| Power Generation And Salesreportable segment | employees | at 2026-03-31 | 2063 pure |
| Power Generation And Salesreportable segment | revenue | 2025-04-01 → 2026-03-31 | ¥630.1bn |
| Power Generation And Salesreportable segment | revenue external | 2025-04-01 → 2026-03-31 | ¥584.7bn |
| Power Generation And Salesreportable segment | revenue intersegment | 2025-04-01 → 2026-03-31 | ¥45.5bn |
| Power Generation And Salesreportable segment | segment assets | at 2026-03-31 | ¥1.39T |
| Power Generation And Salesreportable segment | segment ordinary income | 2025-04-01 → 2026-03-31 | ¥34.9bn |
| Transmission And Distributionreportable segment | capex | 2025-04-01 → 2026-03-31 | ¥36.2bn |
| Transmission And Distributionreportable segment | employees | at 2026-03-31 | 1944 pure |
| Transmission And Distributionreportable segment | revenue | 2025-04-01 → 2026-03-31 | ¥230.5bn |
| Transmission And Distributionreportable segment | revenue external | 2025-04-01 → 2026-03-31 | ¥77.6bn |
| Transmission And Distributionreportable segment | revenue intersegment | 2025-04-01 → 2026-03-31 | ¥152.9bn |
| Transmission And Distributionreportable segment | segment assets | at 2026-03-31 | ¥537.3bn |
| Transmission And Distributionreportable segment | segment ordinary income | 2025-04-01 → 2026-03-31 | ¥8.5bn |
| —segment total | capex | 2025-04-01 → 2026-03-31 | ¥117.0bn |
| —segment total | revenue | 2025-04-01 → 2026-03-31 | ¥999.4bn |
| —segment total | revenue external | 2025-04-01 → 2026-03-31 | ¥750.0bn |
| —segment total | revenue intersegment | 2025-04-01 → 2026-03-31 | ¥249.4bn |
| —segment total | segment assets | at 2026-03-31 | ¥2.19T |
| —segment total | segment ordinary income | 2025-04-01 → 2026-03-31 | ¥65.3bn |
| Total Of Reportable Segments And Otherssegment total | capex | 2025-04-01 → 2026-03-31 | ¥127.0bn |
| Total Of Reportable Segments And Otherssegment total | revenue | 2025-04-01 → 2026-03-31 | ¥1.04T |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2025-04-01 → 2026-03-31 | ¥761.9bn |
| Total Of Reportable Segments And Otherssegment total | revenue intersegment | 2025-04-01 → 2026-03-31 | ¥279.8bn |
| Total Of Reportable Segments And Otherssegment total | segment assets | at 2026-03-31 | ¥2.27T |
| Total Of Reportable Segments And Otherssegment total | segment ordinary income | 2025-04-01 → 2026-03-31 | ¥69.2bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | capex | 2024-04-01 → 2025-03-31 | ¥3.5bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue | 2024-04-01 → 2025-03-31 | ¥36.0bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue external | 2024-04-01 → 2025-03-31 | ¥9.3bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue intersegment | 2024-04-01 → 2025-03-31 | ¥26.6bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | segment assets | at 2025-03-31 | ¥62.4bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | segment ordinary income | 2024-04-01 → 2025-03-31 | ¥2.9bn |
| Reconciling Itemsreconciling | capex | 2024-04-01 → 2025-03-31 | −¥1.6bn |
| Reconciling Itemsreconciling | revenue | 2024-04-01 → 2025-03-31 | −¥278.6bn |
| Reconciling Itemsreconciling | revenue intersegment | 2024-04-01 → 2025-03-31 | −¥278.6bn |
| Reconciling Itemsreconciling | segment assets | at 2025-03-31 | −¥494.1bn |
| Reconciling Itemsreconciling | segment ordinary income | 2024-04-01 → 2025-03-31 | −¥510m |
| Construction Engineeringreportable segment | capex | 2024-04-01 → 2025-03-31 | ¥189m |
| Construction Engineeringreportable segment | revenue | 2024-04-01 → 2025-03-31 | ¥55.3bn |
| Construction Engineeringreportable segment | revenue external | 2024-04-01 → 2025-03-31 | ¥23.7bn |
| Construction Engineeringreportable segment | revenue intersegment | 2024-04-01 → 2025-03-31 | ¥31.6bn |
| Construction Engineeringreportable segment | segment assets | at 2025-03-31 | ¥61.4bn |
| Construction Engineeringreportable segment | segment ordinary income | 2024-04-01 → 2025-03-31 | ¥5.5bn |
| Energyreportable segment | capex | 2024-04-01 → 2025-03-31 | ¥3.0bn |
| Energyreportable segment | revenue | 2024-04-01 → 2025-03-31 | ¥26.6bn |
| Energyreportable segment | revenue external | 2024-04-01 → 2025-03-31 | ¥23.2bn |
| Energyreportable segment | revenue intersegment | 2024-04-01 → 2025-03-31 | ¥3.5bn |
| Energyreportable segment | segment assets | at 2025-03-31 | ¥111.9bn |
| Energyreportable segment | segment ordinary income | 2024-04-01 → 2025-03-31 | ¥5.6bn |
| Information Technology Communicationsreportable segment | capex | 2024-04-01 → 2025-03-31 | ¥6.9bn |
| Information Technology Communicationsreportable segment | revenue | 2024-04-01 → 2025-03-31 | ¥50.4bn |
| Information Technology Communicationsreportable segment | revenue external | 2024-04-01 → 2025-03-31 | ¥38.9bn |
| Information Technology Communicationsreportable segment | revenue intersegment | 2024-04-01 → 2025-03-31 | ¥11.5bn |
| Information Technology Communicationsreportable segment | segment assets | at 2025-03-31 | ¥68.9bn |
| Information Technology Communicationsreportable segment | segment ordinary income | 2024-04-01 → 2025-03-31 | ¥10.6bn |
| Power Generation And Salesreportable segment | capex | 2024-04-01 → 2025-03-31 | ¥41.4bn |
| Power Generation And Salesreportable segment | revenue | 2024-04-01 → 2025-03-31 | ¥709.6bn |
| Power Generation And Salesreportable segment | revenue external | 2024-04-01 → 2025-03-31 | ¥664.0bn |
| Power Generation And Salesreportable segment | revenue intersegment | 2024-04-01 → 2025-03-31 | ¥45.7bn |
| Power Generation And Salesreportable segment | segment assets | at 2025-03-31 | ¥1.36T |
| Power Generation And Salesreportable segment | segment ordinary income | 2024-04-01 → 2025-03-31 | ¥41.4bn |
| Transmission And Distributionreportable segment | capex | 2024-04-01 → 2025-03-31 | ¥28.3bn |
| Transmission And Distributionreportable segment | revenue | 2024-04-01 → 2025-03-31 | ¥252.1bn |
| Transmission And Distributionreportable segment | revenue external | 2024-04-01 → 2025-03-31 | ¥92.4bn |
| Transmission And Distributionreportable segment | revenue intersegment | 2024-04-01 → 2025-03-31 | ¥159.7bn |
| Transmission And Distributionreportable segment | segment assets | at 2025-03-31 | ¥515.1bn |
| Transmission And Distributionreportable segment | segment ordinary income | 2024-04-01 → 2025-03-31 | ¥26.1bn |
| —segment total | capex | 2024-04-01 → 2025-03-31 | ¥79.7bn |
| —segment total | revenue | 2024-04-01 → 2025-03-31 | ¥1.09T |
| —segment total | revenue external | 2024-04-01 → 2025-03-31 | ¥842.1bn |
| —segment total | revenue intersegment | 2024-04-01 → 2025-03-31 | ¥252.0bn |
| —segment total | segment assets | at 2025-03-31 | ¥2.12T |
| —segment total | segment ordinary income | 2024-04-01 → 2025-03-31 | ¥89.2bn |
| Total Of Reportable Segments And Otherssegment total | capex | 2024-04-01 → 2025-03-31 | ¥83.2bn |
| Total Of Reportable Segments And Otherssegment total | revenue | 2024-04-01 → 2025-03-31 | ¥1.13T |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2024-04-01 → 2025-03-31 | ¥851.4bn |
| Total Of Reportable Segments And Otherssegment total | revenue intersegment | 2024-04-01 → 2025-03-31 | ¥278.6bn |
| Total Of Reportable Segments And Otherssegment total | segment assets | at 2025-03-31 | ¥2.18T |
| Total Of Reportable Segments And Otherssegment total | segment ordinary income | 2024-04-01 → 2025-03-31 | ¥92.1bn |
| Energyreportable segment | employees | at 2026-03-31 | 46 pure |
| Information Technology Communicationsreportable segment | employees | at 2026-03-31 | 2 pure |
| Power Generation And Salesreportable segment | employees | at 2026-03-31 | 2063 pure |
Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.
All source rows · 1,936
| Item | Context | Value | Unit |
|---|---|---|---|
| Career summary information about directors and corporate auditors proposal (text) | FilingDateInstant_jpcrp030000-asr_E04505-000OtsukaIwaoMember | Text · Plus | |
| Term of office information about directors and corporate auditors proposal | FilingDateInstant_jpcrp030000-asr_E04505-000OtsukaIwaoMember | Original text (Japanese)2025年６月～2027年６月 | |
| Official title or position information about directors and corporate auditors proposal | FilingDateInstant_jpcrp030000-asr_E04505-000NishiyamaShoichiMember | Original text (Japanese)取締役監査等委員 | |
| Name information about directors and corporate auditors proposal | FilingDateInstant_jpcrp030000-asr_E04505-000NishiyamaShoichiMember | Original text (Japanese)西 山 彰 一 | |
| Date of birth information about directors and corporate auditors proposal | FilingDateInstant_jpcrp030000-asr_E04505-000NishiyamaShoichiMember | 1955-01-06 | |
| Career summary information about directors and corporate auditors proposal (text) | FilingDateInstant_jpcrp030000-asr_E04505-000NishiyamaShoichiMember | Text · Plus | |
| Term of office information about directors and corporate auditors proposal | FilingDateInstant_jpcrp030000-asr_E04505-000NishiyamaShoichiMember | Original text (Japanese)2025年６月～2027年６月 | |
| Official title or position information about directors and corporate auditors proposal | FilingDateInstant_jpcrp030000-asr_E04505-000IzutaniYachiyoMember | Original text (Japanese)取締役監査等委員 | |
| Name information about directors and corporate auditors proposal | FilingDateInstant_jpcrp030000-asr_E04505-000IzutaniYachiyoMember | Original text (Japanese)泉 谷 八 千 代 | |
| Date of birth information about directors and corporate auditors proposal | FilingDateInstant_jpcrp030000-asr_E04505-000IzutaniYachiyoMember | 1958-09-09 | |
| Career summary information about directors and corporate auditors proposal (text) | FilingDateInstant_jpcrp030000-asr_E04505-000IzutaniYachiyoMember | Text · Plus | |
| Term of office information about directors and corporate auditors proposal | FilingDateInstant_jpcrp030000-asr_E04505-000IzutaniYachiyoMember | Original text (Japanese)2025年６月～2027年６月 | |
| Footnotes directors and corporate auditors proposal (text) | FilingDateInstant_Row1Member | Text · Plus | |
| Footnotes directors and corporate auditors proposal (text) | FilingDateInstant_Row2Member | Text · Plus | |
| Footnotes directors and corporate auditors proposal (text) | FilingDateInstant_Row3Member | Text · Plus | |
| Footnotes directors and corporate auditors proposal (text) | FilingDateInstant_Row4Member | Text · Plus | |
| Outside directors and outside corporate auditors (text) | FilingDateInstant | Text · Plus | |
| Audits (text) | FilingDateInstant | Text · Plus | |
| Remuneration for directors and other officers (text) | FilingDateInstant | Text · Plus | |
| Shareholdings (text) | FilingDateInstant | Text · Plus | |
| Reason for increase in number of shares shares not listed investment shares held for purposes other than pure investment reporting company | CurrentYearDuration | Original text (Japanese)取引関係の強化や新規事業に向けた協力関係構築のため | |
| Reason for increase in number of shares shares other than those not listed investment shares held for purposes other than pure investment reporting company | CurrentYearDuration | Original text (Japanese)従来より保有している非上場株式が上場したため | |
| Name of securities details of specified investment equity securities held for purposes other than pure investment reporting company | CurrentYearInstant_Row1Member | 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_Row1Member | Original text (Japanese)安定的な原子力発電所主要部材の調達 | |
| Whether issuer of aforementioned shares holds reporting companys shares details of specified investment shares held for purposes other than pure investment reporting company | CurrentYearInstant_Row1Member | Original text (Japanese)無 | |
| Name of securities details of specified investment equity securities held for purposes other than pure investment reporting company | CurrentYearInstant_Row2Member | Original text (Japanese)㈱パワーエックス(注)２ | |
| 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_Row2Member | Original text (Japanese)新規事業に向けた協力関係構築 | |
| Whether issuer of aforementioned shares holds reporting companys shares details of specified investment shares held for purposes other than pure investment reporting company | CurrentYearInstant_Row2Member | Original text (Japanese)無 | |
| Footnotes specified investment shares held for purposes other than pure investment reporting company (text) | CurrentYearInstant_Row1Member | Text · Plus | |
| Footnotes specified investment shares held for purposes other than pure investment reporting company (text) | CurrentYearInstant_Row2Member | 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)四国電力㈱ | |
| Consolidated subsidiaries metrics of consolidated subsidiaries | CurrentYearInstant_Row1Member | Original text (Japanese)四国電力送配電㈱ | |
| Consolidated subsidiaries metrics of consolidated subsidiaries | CurrentYearInstant_Row2Member | ㈱ＳＴＮｅｔ | |
| Consolidated subsidiaries metrics of consolidated subsidiaries | CurrentYearInstant_Row3Member | Original text (Japanese)四電エンジニアリング㈱ | |
| Consolidated subsidiaries metrics of consolidated subsidiaries | CurrentYearInstant_Row4Member | Original text (Japanese)四国計測工業㈱ | |
| Consolidated subsidiaries metrics of consolidated subsidiaries | CurrentYearInstant_Row5Member | Original text (Japanese)四電ビジネス㈱ | |
| Consolidated subsidiaries metrics of consolidated subsidiaries | CurrentYearInstant_Row6Member | Original text (Japanese)㈱四電技術コンサルタント | |
| Consolidated subsidiaries metrics of consolidated subsidiaries | CurrentYearInstant_Row7Member | Original text (Japanese)四電エナジーサービス㈱ | |
| Description of fact that consolidated financial statements have been prepared in accordance with special ordinance or regulations for industry in appended list financial information | CurrentYearDuration | Text · Plus | |
| Description of fact that financial statements have been prepared in accordance with special ordinance or regulations for industry in appended list financial information | CurrentYearDuration | Text · Plus | |
| Note on independent audit financial information | CurrentYearDuration | Text · Plus | |
| Remarkable efforts to ensure fair presentation of consolidated financial statements etc financial information | CurrentYearDuration | Text · Plus | |
| Consolidated balance sheet (text) | CurrentYearDuration | Text · Plus | |
| Consolidated statement of income (text) | CurrentYearDuration | Text · Plus | |
| Consolidated statement of comprehensive income (text) | CurrentYearDuration | Text · Plus | |
| Consolidated statement of changes in equity (text) | CurrentYearDuration | Text · Plus | |
| Consolidated statement of cash flows (text) | CurrentYearDuration | Text · Plus | |
| Notes significant accounting policies for preparation of consolidated financial statements (text) | CurrentYearDuration | Text · Plus |
Every row of the EDINET CSV. Item names are the XBRL element names; filed text is kept in its original Japanese. Filed text is available on Plus and Pro.
Data checks · 22 of 22 passed
| balance sheet identity | pass rounding |
| balance sheet identity | pass rounding |
| balance sheet identity | pass rounding |
| balance sheet identity | pass |
| dei present | pass |
| period resolution | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net income attributable to parent | pass |
| statement vs summary · net income attributable to parent | pass |
| statement vs summary · operating cash flow | pass |
| statement vs summary · operating cash flow | pass |
| statement vs summary · revenue | pass |
| statement vs summary · revenue | pass |
| statement vs summary · total assets | pass |
| statement vs summary · total assets | pass |
| statement vs summary · total assets | pass |
| statement vs summary · total assets | pass |