Half-year report · HY
9513.TEDINET S100WY1Y
Period2025-04-01 → 2025-09-30
Filed2025-11-04
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 44
| Metric | Value | Period | Scope | Source row |
|---|---|---|---|---|
| Revenue | ¥571.4bn | 2025-04-01 → 2025-09-30 | Cons. | Operating revenue1 |
| Revenue | ¥1.32T | 2024-04-01 → 2025-03-31 | Cons. | Operating revenue1 (5-year summary) |
| Revenue | ¥640.7bn | 2024-04-01 → 2024-09-30 | Cons. | Operating revenue1 |
| Operating income | ¥53.6bn | 2025-04-01 → 2025-09-30 | Cons. | Operating income |
| Operating income | ¥70.8bn | 2024-04-01 → 2024-09-30 | Cons. | Operating income |
| Ordinary income | ¥96.4bn | 2025-04-01 → 2025-09-30 | Cons. | Ordinary income |
| Ordinary income | ¥140.1bn | 2024-04-01 → 2025-03-31 | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥71.1bn | 2024-04-01 → 2024-09-30 | Cons. | Ordinary income |
| Profit before tax | ¥96.4bn | 2025-04-01 → 2025-09-30 | Cons. | Income before income taxes |
| Profit before tax | ¥71.1bn | 2024-04-01 → 2024-09-30 | Cons. | Income before income taxes |
| Net income (owners) | ¥63.1bn | 2025-04-01 → 2025-09-30 | 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 (5-year summary) |
| Net income (owners) | ¥48.3bn | 2024-04-01 → 2024-09-30 | Cons. | Profit loss attributable to owners of parent |
| Net income | ¥67.8bn | 2025-04-01 → 2025-09-30 | Cons. | Profit loss |
| Net income | ¥49.7bn | 2024-04-01 → 2024-09-30 | Cons. | Profit loss |
| Total assets | ¥3.60T | at 2025-09-30 | Cons. | Assets |
| Total assets | ¥3.67T | at 2025-03-31 | Cons. | Assets |
| Total assets | ¥3.69T | at 2024-09-30 | Cons. | Total assets (5-year summary) |
| Total liabilities | ¥2.14T | at 2025-09-30 | Cons. | Liabilities |
| Total liabilities | ¥2.21T | at 2025-03-31 | Cons. | Liabilities |
| Net assets / equity | ¥1.46T | at 2025-09-30 | Cons. | Net assets |
| Net assets / equity | ¥1.46T | at 2025-03-31 | Cons. | Net assets |
| Net assets / equity | ¥1.44T | at 2024-09-30 | Cons. | Net assets (5-year summary) |
| Cash and deposits | ¥317.9bn | at 2025-09-30 | Cons. | Cash and deposits |
| Cash and deposits | ¥309.0bn | at 2025-03-31 | Cons. | Cash and deposits |
| Cash & equivalents | ¥313.2bn | at 2025-09-30 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥373.1bn | at 2025-03-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥342.6bn | at 2024-09-30 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥370.7bn | at 2024-03-31v | Cons. | Cash and cash equivalents |
| Operating cash flow | ¥50.6bn | 2025-04-01 → 2025-09-30 | 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 (5-year summary) |
| Operating cash flow | ¥85.6bn | 2024-04-01 → 2024-09-30 | Cons. | Net cash provided by used in operating activities |
| Investing cash flow | −¥56.3bn | 2025-04-01 → 2025-09-30 | 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 investing activities (5-year summary) |
| Investing cash flow | −¥64.9bn | 2024-04-01 → 2024-09-30 | Cons. | Net cash provided by used in investment activities |
| Financing cash flow | −¥45.4bn | 2025-04-01 → 2025-09-30 | 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 (5-year summary) |
| Financing cash flow | −¥57.5bn | 2024-04-01 → 2024-09-30 | Cons. | Net cash provided by used in financing activities |
| EPS (basic) | ¥345.96 | 2025-04-01 → 2025-09-30 | 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) | ¥264.31 | 2024-04-01 → 2024-09-30 | Cons. | Basic earnings loss per share (5-year summary) |
| Equity ratio | 37.4% | at 2025-09-30 | 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 | 35.6% | at 2024-09-30 | Cons. | Equity to asset ratio (5-year summary) |
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 · 52
| Segment | Item | Period | Value |
|---|---|---|---|
| Otherother segments | revenue | 2025-04-01 → 2025-09-30 | ¥7.9bn |
| Otherother segments | revenue external | 2025-04-01 → 2025-09-30 | ¥7.4bn |
| Otherother segments | revenue intersegment | 2025-04-01 → 2025-09-30 | ¥470m |
| Otherother segments | segment ordinary income | 2025-04-01 → 2025-09-30 | ¥165m |
| Reconciling Itemsreconciling | revenue | 2025-04-01 → 2025-09-30 | −¥19.7bn |
| Reconciling Itemsreconciling | revenue intersegment | 2025-04-01 → 2025-09-30 | −¥19.7bn |
| Reconciling Itemsreconciling | segment ordinary income | 2025-04-01 → 2025-09-30 | ¥626m |
| Electric Power Surroundings Relatedreportable segment | revenue | 2025-04-01 → 2025-09-30 | ¥33.0bn |
| Electric Power Surroundings Relatedreportable segment | revenue external | 2025-04-01 → 2025-09-30 | ¥20.6bn |
| Electric Power Surroundings Relatedreportable segment | revenue intersegment | 2025-04-01 → 2025-09-30 | ¥12.4bn |
| Electric Power Surroundings Relatedreportable segment | segment ordinary income | 2025-04-01 → 2025-09-30 | ¥5.4bn |
| Overseasreportable segment | revenue | 2025-04-01 → 2025-09-30 | ¥109.6bn |
| Overseasreportable segment | revenue external | 2025-04-01 → 2025-09-30 | ¥109.6bn |
| Overseasreportable segment | segment ordinary income | 2025-04-01 → 2025-09-30 | ¥60.4bn |
| Power Generationreportable segment | revenue | 2025-04-01 → 2025-09-30 | ¥415.9bn |
| Power Generationreportable segment | revenue external | 2025-04-01 → 2025-09-30 | ¥409.4bn |
| Power Generationreportable segment | revenue intersegment | 2025-04-01 → 2025-09-30 | ¥6.5bn |
| Power Generationreportable segment | segment ordinary income | 2025-04-01 → 2025-09-30 | ¥24.9bn |
| Transmissionand Transformationreportable segment | revenue | 2025-04-01 → 2025-09-30 | ¥24.7bn |
| Transmissionand Transformationreportable segment | revenue external | 2025-04-01 → 2025-09-30 | ¥24.4bn |
| Transmissionand Transformationreportable segment | revenue intersegment | 2025-04-01 → 2025-09-30 | ¥290m |
| Transmissionand Transformationreportable segment | segment ordinary income | 2025-04-01 → 2025-09-30 | ¥4.9bn |
| Total Of Reportable Segments And Otherssegment total | revenue | 2025-04-01 → 2025-09-30 | ¥591.1bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2025-04-01 → 2025-09-30 | ¥571.4bn |
| Total Of Reportable Segments And Otherssegment total | revenue intersegment | 2025-04-01 → 2025-09-30 | ¥19.7bn |
| Total Of Reportable Segments And Otherssegment total | segment ordinary income | 2025-04-01 → 2025-09-30 | ¥95.7bn |
| Otherother segments | revenue | 2024-04-01 → 2024-09-30 | ¥8.6bn |
| Otherother segments | revenue external | 2024-04-01 → 2024-09-30 | ¥8.2bn |
| Otherother segments | revenue intersegment | 2024-04-01 → 2024-09-30 | ¥397m |
| Otherother segments | segment ordinary income | 2024-04-01 → 2024-09-30 | ¥170m |
| Reconciling Itemsreconciling | revenue | 2024-04-01 → 2024-09-30 | −¥22.6bn |
| Reconciling Itemsreconciling | revenue intersegment | 2024-04-01 → 2024-09-30 | −¥22.6bn |
| Reconciling Itemsreconciling | segment ordinary income | 2024-04-01 → 2024-09-30 | ¥75m |
| Electric Power Surroundings Relatedreportable segment | revenue | 2024-04-01 → 2024-09-30 | ¥45.9bn |
| Electric Power Surroundings Relatedreportable segment | revenue external | 2024-04-01 → 2024-09-30 | ¥31.3bn |
| Electric Power Surroundings Relatedreportable segment | revenue intersegment | 2024-04-01 → 2024-09-30 | ¥14.6bn |
| Electric Power Surroundings Relatedreportable segment | segment ordinary income | 2024-04-01 → 2024-09-30 | ¥13.9bn |
| Overseasreportable segment | revenue | 2024-04-01 → 2024-09-30 | ¥132.7bn |
| Overseasreportable segment | revenue external | 2024-04-01 → 2024-09-30 | ¥132.7bn |
| Overseasreportable segment | segment ordinary income | 2024-04-01 → 2024-09-30 | ¥12.6bn |
| Power Generationreportable segment | revenue | 2024-04-01 → 2024-09-30 | ¥451.1bn |
| Power Generationreportable segment | revenue external | 2024-04-01 → 2024-09-30 | ¥443.8bn |
| Power Generationreportable segment | revenue intersegment | 2024-04-01 → 2024-09-30 | ¥7.3bn |
| Power Generationreportable segment | segment ordinary income | 2024-04-01 → 2024-09-30 | ¥39.3bn |
| Transmissionand Transformationreportable segment | revenue | 2024-04-01 → 2024-09-30 | ¥25.0bn |
| Transmissionand Transformationreportable segment | revenue external | 2024-04-01 → 2024-09-30 | ¥24.7bn |
| Transmissionand Transformationreportable segment | revenue intersegment | 2024-04-01 → 2024-09-30 | ¥314m |
| Transmissionand Transformationreportable segment | segment ordinary income | 2024-04-01 → 2024-09-30 | ¥5.0bn |
| Total Of Reportable Segments And Otherssegment total | revenue | 2024-04-01 → 2024-09-30 | ¥663.3bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2024-04-01 → 2024-09-30 | ¥640.7bn |
| Total Of Reportable Segments And Otherssegment total | revenue intersegment | 2024-04-01 → 2024-09-30 | ¥22.6bn |
| Total Of Reportable Segments And Otherssegment total | segment ordinary income | 2024-04-01 → 2024-09-30 | ¥71.0bn |
Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.
All source rows · 573
| Item | Context | Value | Unit |
|---|---|---|---|
| Xbrl amendment flag | FilingDateInstant | false | |
| Business results of group (text) | FilingDateInstant | Text · Plus | |
| Description of business (text) | FilingDateInstant | Text · Plus | |
| Business risks (text) | FilingDateInstant | Text · Plus | |
| Management analysis of financial position operating results and cash flows (text) | FilingDateInstant | Text · Plus | |
| Critical contracts (text) | FilingDateInstant | Text · Plus | |
| Total number of shares (text) | FilingDateInstant | Text · Plus | |
| Issued shares total number of shares etc (text) | FilingDateInstant | Text · Plus | |
| Class issued shares total number of shares etc | FilingDateInstant_OrdinaryShareMember | Original text (Japanese)普通株式 | |
| Name of financial instruments exchange on which securities are listed or authorized financial instruments business association to which securities are registered | FilingDateInstant_OrdinaryShareMember | Original text (Japanese)東京証券取引所プライム市場 | |
| Description issued shares total number of shares etc | FilingDateInstant_OrdinaryShareMember | Original text (Japanese)単元株式数は100株 | |
| Details of employee share option program (text) | FilingDateInstant | Text · Plus | |
| Other information on share acquisition rights (text) | FilingDateInstant | Text · Plus | |
| Exercises etc of moving strike convertible bonds etc (text) | FilingDateInstant | Text · Plus | |
| Changes in number of issued shares stated capital etc (text) | FilingDateInstant | Text · Plus | |
| Major shareholders (text) | FilingDateInstant | Text · Plus | |
| Name major shareholders | InterimInstant_No1MajorShareholdersMember | Original text (Japanese)日本マスタートラスト信託銀行株式会社（信託口） | |
| Address major shareholders | InterimInstant_No1MajorShareholdersMember | Original text (Japanese)東京都港区赤坂１－８－１ | |
| Name major shareholders | InterimInstant_No2MajorShareholdersMember | Original text (Japanese)株式会社日本カストディ銀行（信託口） | |
| Address major shareholders | InterimInstant_No2MajorShareholdersMember | Original text (Japanese)東京都中央区晴海１－８－12 | |
| Name major shareholders | InterimInstant_No3MajorShareholdersMember | Original text (Japanese)日本生命保険相互会社 | |
| Address major shareholders | InterimInstant_No3MajorShareholdersMember | Original text (Japanese)東京都千代田区丸の内１－６－６ | |
| Name major shareholders | InterimInstant_No4MajorShareholdersMember | Original text (Japanese)J-POWER従業員持株会 | |
| Address major shareholders | InterimInstant_No4MajorShareholdersMember | Original text (Japanese)東京都中央区銀座６－15－１ | |
| Name major shareholders | InterimInstant_No5MajorShareholdersMember | Text · Plus | |
| Address major shareholders | InterimInstant_No5MajorShareholdersMember | Text · Plus | |
| Name major shareholders | InterimInstant_No6MajorShareholdersMember | Original text (Japanese)株式会社みずほ銀行 | |
| Address major shareholders | InterimInstant_No6MajorShareholdersMember | Original text (Japanese)東京都千代田区大手町１－５－５ | |
| Name major shareholders | InterimInstant_No7MajorShareholdersMember | Original text (Japanese)富国生命保険相互会社 | |
| Address major shareholders | InterimInstant_No7MajorShareholdersMember | Original text (Japanese)東京都千代田区内幸町２－２－２ | |
| Name major shareholders | InterimInstant_No8MajorShareholdersMember | Original text (Japanese)株式会社三井住友銀行 | |
| Address major shareholders | InterimInstant_No8MajorShareholdersMember | Original text (Japanese)東京都千代田区丸の内１－１－２ | |
| Name major shareholders | InterimInstant_No9MajorShareholdersMember | Text · Plus | |
| Address major shareholders | InterimInstant_No9MajorShareholdersMember | Text · Plus | |
| Name major shareholders | InterimInstant_No10MajorShareholdersMember | Original text (Japanese)JPモルガン証券株式会社 | |
| Address major shareholders | InterimInstant_No10MajorShareholdersMember | Original text (Japanese)東京都千代田区丸の内２－７－３ | |
| Issued shares voting rights (text) | FilingDateInstant | Text · Plus | |
| Description issued shares voting rights | InterimInstant_SharesWithNoVotingRightsMember | － | |
| Description issued shares voting rights | InterimInstant_SharesWithRestrictedVotingRightsTreasurySharesEtcMember | － | |
| Description issued shares voting rights | InterimInstant_SharesWithRestrictedVotingRightsOtherMember | － | |
| Description issued shares voting rights | InterimInstant_OrdinarySharesTreasurySharesSharesWithFullVotingRightsTreasurySharesEtcMember | － | |
| Description issued shares voting rights | InterimInstant_OrdinarySharesSharesWithFullVotingRightsOtherMember | － | |
| Description issued shares voting rights | InterimInstant_OrdinarySharesSharesLessThanOneUnitMember | Original text (Japanese)一単元（100株）未満の株式 | |
| Treasury shares etc (text) | FilingDateInstant | Text · Plus | |
| Name of shareholder treasury shares etc | InterimInstant_Row1Member | Original text (Japanese)電源開発株式会社 | |
| Address of shareholder treasury shares etc | InterimInstant_Row1Member | Original text (Japanese)東京都中央区銀座６－15－１ | |
| Information about officers (text) | FilingDateInstant | Text · Plus | |
| Description of fact that consolidated financial statements have been prepared in accordance with special ordinance or regulations for industry in appended list financial information | InterimDuration | Text · Plus | |
| Type1 semi annual consolidated financial statements financial information | InterimDuration | Text · Plus | |
| Note on independent audit financial information | InterimDuration | 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 · 14 of 14 passed
| balance sheet identity | pass |
| 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 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 |