Half-year report · HY

Period2025-04-01 → 2025-09-30
Filed2025-11-10
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 44
MetricValuePeriodScopeSource row
Revenue¥1.17T2025-04-01 → 2025-09-30Cons.Net sales
Revenue¥2.64T2024-04-01 → 2025-03-31Cons.Net sales (5-year summary)
Revenue¥1.31T2024-04-01 → 2024-09-30Cons.Net sales
Operating income¥141.1bn2025-04-01 → 2025-09-30Cons.Operating income
Operating income¥168.8bn2024-04-01 → 2024-09-30Cons.Operating income
Ordinary income¥125.7bn2025-04-01 → 2025-09-30Cons.Ordinary income
Ordinary income¥256.7bn2024-04-01 → 2025-03-31Cons.Ordinary income loss (5-year summary)
Ordinary income¥153.4bn2024-04-01 → 2024-09-30Cons.Ordinary income
Profit before tax¥125.7bn2025-04-01 → 2025-09-30Cons.Income before income taxes
Profit before tax¥153.4bn2024-04-01 → 2024-09-30Cons.Income before income taxes
Net income (owners)¥87.7bn2025-04-01 → 2025-09-30Cons.Profit loss attributable to owners of parent
Net income (owners)¥182.8bn2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥106.0bn2024-04-01 → 2024-09-30Cons.Profit loss attributable to owners of parent
Net income¥88.2bn2025-04-01 → 2025-09-30Cons.Profit loss
Net income¥107.6bn2024-04-01 → 2024-09-30Cons.Profit loss
Total assets¥5.44Tat 2025-09-30Cons.Assets
Total assets¥5.40Tat 2025-03-31Cons.Assets
Total assets¥5.31Tat 2024-09-30Cons.Total assets (5-year summary)
Total liabilities¥4.35Tat 2025-09-30Cons.Liabilities
Total liabilities¥4.39Tat 2025-03-31Cons.Liabilities
Net assets / equity¥1.09Tat 2025-09-30Cons.Net assets
Net assets / equity¥1.01Tat 2025-03-31Cons.Net assets
Net assets / equity¥1.01Tat 2024-09-30Cons.Net assets (5-year summary)
Cash and deposits¥455.3bnat 2025-09-30Cons.Cash and deposits
Cash and deposits¥474.5bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥465.2bnat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥551.1bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥443.6bnat 2024-09-30Cons.Cash and cash equivalents
Cash & equivalents¥529.4bnat 2024-03-31vCons.Cash and cash equivalents
Operating cash flow¥165.8bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in operating activities
Operating cash flow¥410.3bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥133.3bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in operating activities
Investing cash flow−¥284.4bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in investment activities
Investing cash flow−¥422.6bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥189.3bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in investment activities
Financing cash flow¥31.9bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in financing activities
Financing cash flow¥34.1bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥29.5bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in financing activities
EPS (basic)¥175.222025-04-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥365.52024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥2122024-04-01 → 2024-09-30Cons.Basic earnings loss per share (5-year summary)
Equity ratio19.6%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Equity ratio18.3%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio17.4%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 · 46
SegmentItemPeriodValue
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2025-04-01 → 2025-09-30¥74.1bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2025-04-01 → 2025-09-30¥25.7bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2025-04-01 → 2025-09-30¥48.5bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment ordinary income2025-04-01 → 2025-09-30¥6.1bn
Reconciling Itemsreconcilingrevenue2025-04-01 → 2025-09-30−¥321.1bn
Reconciling Itemsreconcilingrevenue intersegment2025-04-01 → 2025-09-30−¥321.1bn
Reconciling Itemsreconcilingsegment ordinary income2025-04-01 → 2025-09-30−¥11.5bn
Power Generation Salesreportable segmentrevenue2025-04-01 → 2025-09-30¥982.3bn
Power Generation Salesreportable segmentrevenue external2025-04-01 → 2025-09-30¥915.3bn
Power Generation Salesreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥67.0bn
Power Generation Salesreportable segmentsegment ordinary income2025-04-01 → 2025-09-30¥137.0bn
Power Transmission Distributionreportable segmentrevenue2025-04-01 → 2025-09-30¥433.6bn
Power Transmission Distributionreportable segmentrevenue external2025-04-01 → 2025-09-30¥228.0bn
Power Transmission Distributionreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥205.6bn
Power Transmission Distributionreportable segmentsegment ordinary income2025-04-01 → 2025-09-30−¥5.9bn
—segment totalrevenue2025-04-01 → 2025-09-30¥1.42T
—segment totalrevenue external2025-04-01 → 2025-09-30¥1.14T
—segment totalrevenue intersegment2025-04-01 → 2025-09-30¥272.6bn
—segment totalsegment ordinary income2025-04-01 → 2025-09-30¥131.1bn
Total Of Reportable Segments And Otherssegment totalrevenue2025-04-01 → 2025-09-30¥1.49T
Total Of Reportable Segments And Otherssegment totalrevenue external2025-04-01 → 2025-09-30¥1.17T
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2025-04-01 → 2025-09-30¥321.1bn
Total Of Reportable Segments And Otherssegment totalsegment ordinary income2025-04-01 → 2025-09-30¥137.2bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2024-04-01 → 2024-09-30¥176.2bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2024-04-01 → 2024-09-30¥83.0bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2024-04-01 → 2024-09-30¥93.2bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment ordinary income2024-04-01 → 2024-09-30¥7.6bn
Reconciling Itemsreconcilingrevenue2024-04-01 → 2024-09-30−¥359.2bn
Reconciling Itemsreconcilingrevenue intersegment2024-04-01 → 2024-09-30−¥359.2bn
Reconciling Itemsreconcilingsegment ordinary income2024-04-01 → 2024-09-30−¥23.6bn
Power Generation Salesreportable segmentrevenue2024-04-01 → 2024-09-30¥1.06T
Power Generation Salesreportable segmentrevenue external2024-04-01 → 2024-09-30¥1.01T
Power Generation Salesreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥50.3bn
Power Generation Salesreportable segmentsegment ordinary income2024-04-01 → 2024-09-30¥150.5bn
Power Transmission Distributionreportable segmentrevenue2024-04-01 → 2024-09-30¥433.4bn
Power Transmission Distributionreportable segmentrevenue external2024-04-01 → 2024-09-30¥217.7bn
Power Transmission Distributionreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥215.7bn
Power Transmission Distributionreportable segmentsegment ordinary income2024-04-01 → 2024-09-30¥18.8bn
—segment totalrevenue2024-04-01 → 2024-09-30¥1.49T
—segment totalrevenue external2024-04-01 → 2024-09-30¥1.23T
—segment totalrevenue intersegment2024-04-01 → 2024-09-30¥266.0bn
—segment totalsegment ordinary income2024-04-01 → 2024-09-30¥169.3bn
Total Of Reportable Segments And Otherssegment totalrevenue2024-04-01 → 2024-09-30¥1.67T
Total Of Reportable Segments And Otherssegment totalrevenue external2024-04-01 → 2024-09-30¥1.31T
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2024-04-01 → 2024-09-30¥359.2bn
Total Of Reportable Segments And Otherssegment totalsegment ordinary income2024-04-01 → 2024-09-30¥177.0bn

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

All source rows · 535
ItemContextValueUnit
Address major shareholdersInterimInstant_No10MajorShareholdersMemberText · Plus
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_OrdinarySharesTreasurySharesSharesWithFullVotingRightsTreasurySharesEtcMember-
Description issued shares voting rightsInterimInstant_OrdinarySharesSharesWithFullVotingRightsOtherMember-
Description issued shares voting rightsInterimInstant_OrdinarySharesSharesLessThanOneUnitMember
Original text (Japanese)一単元(100株)未満の株式
Treasury shares etc (text)FilingDateInstantText · Plus
Name of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)東北電力株式会社
Address of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)宮城県仙台市青葉区本町一丁目7番1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 inventories (text)InterimInstantText · Plus
Notes regarding guarantee obligations (text)InterimInstantText · Plus
Notes regarding details of operating cost (text)InterimDurationText · Plus
Notes on not recognizing corporate taxes under global minimum tax regime (text)InterimDurationText · Plus
Reconciliation of ending balance of cash and cash equivalents with account balances per balance sheet (text)InterimDurationText · Plus
Notes regarding dividend (text)Prior1InterimDurationText · Plus
Notes regarding dividend (text)InterimDurationText · Plus
Notes segment information etc type1 semi annual consolidated financial statements (text)InterimDurationText · Plus
Footnotes regarding segment information table (text)Prior1InterimDurationText · Plus
Footnotes regarding segment information table (text)InterimDurationText · Plus
Disclosure of changes etc in reportable segments (text)InterimDurationText · Plus
Notes revenue recognition semi annual consolidated financial statements (text)InterimDurationText · Plus
Notes per share information semi annual consolidated financial statements (text)InterimDurationText · Plus
Other information consolidated financial statements etc (text)InterimDurationText · Plus
Information about company which provides guarantee to reporting company (text)FilingDateInstantText · 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 rounding
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