Half-year report · HY

Period2025-04-01 → 2025-09-30
Filed2025-11-14
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 44
MetricValuePeriodScopeSource row
Revenue¥340.6bn2025-04-01 → 2025-09-30Cons.Net sales
Revenue¥671.9bn2024-04-01 → 2025-03-31Cons.Net sales (5-year summary)
Revenue¥286.7bn2024-04-01 → 2024-09-30Cons.Net sales
Operating income¥37.9bn2025-04-01 → 2025-09-30Cons.Operating income
Operating income¥25.4bn2024-04-01 → 2024-09-30Cons.Operating income
Ordinary income¥38.9bn2025-04-01 → 2025-09-30Cons.Ordinary income
Ordinary income¥59.5bn2024-04-01 → 2025-03-31Cons.Ordinary income loss (5-year summary)
Ordinary income¥26.1bn2024-04-01 → 2024-09-30Cons.Ordinary income
Profit before tax¥39.3bn2025-04-01 → 2025-09-30Cons.Income before income taxes
Profit before tax¥25.9bn2024-04-01 → 2024-09-30Cons.Income before income taxes
Net income (owners)¥26.4bn2025-04-01 → 2025-09-30Cons.Profit loss attributable to owners of parent
Net income (owners)¥42.4bn2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥17.3bn2024-04-01 → 2024-09-30Cons.Profit loss attributable to owners of parent
Net income¥27.6bn2025-04-01 → 2025-09-30Cons.Profit loss
Net income¥17.6bn2024-04-01 → 2024-09-30Cons.Profit loss
Total assets¥596.3bnat 2025-09-30Cons.Assets
Total assets¥603.2bnat 2025-03-31Cons.Assets
Total assets¥535.2bnat 2024-09-30Cons.Total assets (5-year summary)
Total liabilities¥190.5bnat 2025-09-30Cons.Liabilities
Total liabilities¥222.3bnat 2025-03-31Cons.Liabilities
Net assets / equity¥405.8bnat 2025-09-30Cons.Net assets
Net assets / equity¥380.9bnat 2025-03-31Cons.Net assets
Net assets / equity¥356.5bnat 2024-09-30Cons.Net assets (5-year summary)
Cash and deposits¥62.8bnat 2025-09-30Cons.Cash and deposits
Cash and deposits¥61.0bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥62.8bnat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥57.8bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥86.0bnat 2024-09-30Cons.Cash and cash equivalents
Cash & equivalents¥62.4bnat 2024-03-31vCons.Cash and cash equivalents
Operating cash flow¥33.8bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in operating activities
Operating cash flow¥18.3bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥46.5bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in operating activities
Investing cash flow−¥6.3bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in investment activities
Investing cash flow−¥10.2bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥7.4bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in investment activities
Financing cash flow−¥22.6bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in financing activities
Financing cash flow−¥12.6bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥15.6bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in financing activities
EPS (basic)¥129.182025-04-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥207.352024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥84.472024-04-01 → 2024-09-30Cons.Basic earnings loss per share (5-year summary)
Equity ratio65.7%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Equity ratio61.0%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio64.3%at 2024-09-30Cons.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 · 30
SegmentItemPeriodValue
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2025-04-01 → 2025-09-30¥24.2bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2025-04-01 → 2025-09-30¥5.2bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2025-04-01 → 2025-09-30¥19.0bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment profit2025-04-01 → 2025-09-30¥1.6bn
Reconciling Itemsreconcilingrevenue2025-04-01 → 2025-09-30−¥19.0bn
Reconciling Itemsreconcilingrevenue intersegment2025-04-01 → 2025-09-30−¥19.0bn
Reconciling Itemsreconcilingsegment profit2025-04-01 → 2025-09-30¥114m
Engineeringreportable segmentrevenue2025-04-01 → 2025-09-30¥335.5bn
Engineeringreportable segmentrevenue external2025-04-01 → 2025-09-30¥335.4bn
Engineeringreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥65m
Engineeringreportable segmentsegment profit2025-04-01 → 2025-09-30¥36.2bn
Total Of Reportable Segments And Otherssegment totalrevenue2025-04-01 → 2025-09-30¥359.7bn
Total Of Reportable Segments And Otherssegment totalrevenue external2025-04-01 → 2025-09-30¥340.6bn
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2025-04-01 → 2025-09-30¥19.0bn
Total Of Reportable Segments And Otherssegment totalsegment profit2025-04-01 → 2025-09-30¥37.8bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2024-04-01 → 2024-09-30¥21.9bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2024-04-01 → 2024-09-30¥5.3bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2024-04-01 → 2024-09-30¥16.6bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment profit2024-04-01 → 2024-09-30¥1.2bn
Reconciling Itemsreconcilingrevenue2024-04-01 → 2024-09-30−¥16.7bn
Reconciling Itemsreconcilingrevenue intersegment2024-04-01 → 2024-09-30−¥16.7bn
Reconciling Itemsreconcilingsegment profit2024-04-01 → 2024-09-30¥37m
Engineeringreportable segmentrevenue2024-04-01 → 2024-09-30¥281.5bn
Engineeringreportable segmentrevenue external2024-04-01 → 2024-09-30¥281.5bn
Engineeringreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥78m
Engineeringreportable segmentsegment profit2024-04-01 → 2024-09-30¥24.2bn
Total Of Reportable Segments And Otherssegment totalrevenue2024-04-01 → 2024-09-30¥303.4bn
Total Of Reportable Segments And Otherssegment totalrevenue external2024-04-01 → 2024-09-30¥286.7bn
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2024-04-01 → 2024-09-30¥16.7bn
Total Of Reportable Segments And Otherssegment totalsegment profit2024-04-01 → 2024-09-30¥25.4bn

Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.

All source rows · 460
ItemContextValueUnit
Issued shares total number of shares etc (text)FilingDateInstantText · Plus
Class issued shares total number of shares etcFilingDateInstant_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 registeredFilingDateInstant_OrdinaryShareMember
Original text (Japanese)東京証券取引所(プライム市場)
Description issued shares total number of shares etcFilingDateInstant_OrdinaryShareMember
Original text (Japanese)単元株式数は100株である。
Details of employee share option program (text)FilingDateInstantText · Plus
Other information on share acquisition rights (text)FilingDateInstantText · Plus
Exercises etc of moving strike convertible bonds etc (text)FilingDateInstantText · Plus
Changes in number of issued shares stated capital etc (text)FilingDateInstantText · Plus
Major shareholders (text)FilingDateInstantText · Plus
Name major shareholdersInterimInstant_No1MajorShareholdersMember
Original text (Japanese)東京電力パワーグリッド株式会社
Address major shareholdersInterimInstant_No1MajorShareholdersMember
Original text (Japanese)東京都千代田区内幸町1丁目1番3号
Name major shareholdersInterimInstant_No2MajorShareholdersMember
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 shareholdersInterimInstant_No2MajorShareholdersMember
Original text (Japanese)東京都港区赤坂1丁目8番1号
Name major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)株式会社日本カストディ銀行(信託口)
Address major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)東京都中央区晴海1丁目8番12号
Name major shareholdersInterimInstant_No4MajorShareholdersMemberText · Plus
Address major shareholdersInterimInstant_No4MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No5MajorShareholdersMember
Original text (Japanese)関電工グループ従業員持株会
Address major shareholdersInterimInstant_No5MajorShareholdersMember
Original text (Japanese)東京都港区芝浦4丁目8番33号
Name major shareholdersInterimInstant_No6MajorShareholdersMemberText · Plus
Address major shareholdersInterimInstant_No6MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No7MajorShareholdersMember
Original text (Japanese)JPモルガン証券株式会社
Address major shareholdersInterimInstant_No7MajorShareholdersMember
Original text (Japanese)東京都千代田区丸の内2丁目7番3号
Name major shareholdersInterimInstant_No8MajorShareholdersMember
Original text (Japanese)JP MORGAN CHASE BANK 385781(常任代理人 株式会社みずほ銀行決済営業部)
Address major shareholdersInterimInstant_No8MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No9MajorShareholdersMember
Original text (Japanese)第一生命保険株式会社
Address major shareholdersInterimInstant_No9MajorShareholdersMember
Original text (Japanese)東京都千代田区有楽町1丁目13番1号
Name major shareholdersInterimInstant_No10MajorShareholdersMember
Original text (Japanese)高砂熱学工業株式会社
Address major shareholdersInterimInstant_No10MajorShareholdersMember
Original text (Japanese)東京都新宿区新宿6丁目27番30号
Issued shares voting rights (text)FilingDateInstantText · Plus
Description issued shares voting rightsInterimInstant_SharesWithNoVotingRightsMember-
Description issued shares voting rightsInterimInstant_SharesWithRestrictedVotingRightsTreasurySharesEtcMember-
Description issued shares voting rightsInterimInstant_SharesWithRestrictedVotingRightsOtherMember-
Description issued shares voting rightsInterimInstant_SharesWithFullVotingRightsTreasurySharesEtcMember-
Description issued shares voting rightsInterimInstant_SharesWithFullVotingRightsOtherMember-
Description issued shares voting rightsInterimInstant_SharesLessThanOneUnitMember
Original text (Japanese)1単元(100株)未満の株式
Treasury shares etc (text)FilingDateInstantText · Plus
Name of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)㈱関電工
Address of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)東京都港区芝浦4丁目8番33号
Information about officers (text)FilingDateInstantText · Plus
Description of fact that consolidated financial statements have been prepared in accordance with special ordinance or regulations for industry in appended list financial informationInterimDurationText · Plus
Type1 semi annual consolidated financial statements financial informationInterimDurationText · Plus
Note on independent audit financial informationInterimDurationText · Plus
Type1 semi annual consolidated balance sheet (text)InterimDurationText · Plus
Type1 semi annual consolidated statement of income (text)InterimDurationText · Plus
Type1 semi annual consolidated statement of comprehensive income (text)InterimDurationText · Plus
Type1 semi annual consolidated statement of cash flows (text)InterimDurationText · Plus
Notes accounting treatments specific to semi annual financial statements type1 semi annual consolidated financial statements (text)InterimDurationText · Plus
Notes regarding guarantee obligations (text)InterimInstantText · Plus
Major components of selling general and administrative expenses (text)InterimDurationText · 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 identityconsolidated 2025-03-31pass
balance sheet identityconsolidated 2025-09-30pass
dei present pass
period resolution pass
statement vs summary · net assetsconsolidated 2025-03-31pass
statement vs summary · net assetsconsolidated 2025-09-30pass
statement vs summary · net income attributable to parentconsolidated 2024-04-01/2024-09-30pass
statement vs summary · net income attributable to parentconsolidated 2025-04-01/2025-09-30pass
statement vs summary · operating cash flowconsolidated 2024-04-01/2024-09-30pass
statement vs summary · operating cash flowconsolidated 2025-04-01/2025-09-30pass
statement vs summary · revenueconsolidated 2024-04-01/2024-09-30pass
statement vs summary · revenueconsolidated 2025-04-01/2025-09-30pass
statement vs summary · total assetsconsolidated 2025-03-31pass
statement vs summary · total assetsconsolidated 2025-09-30pass