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
Income before income taxesInterimDuration125684000000JPY
Income taxes currentPrior1InterimDuration47480000000JPY
Income taxes currentInterimDuration37337000000JPY
Income taxes deferredPrior1InterimDuration-1763000000JPY
Income taxes deferredInterimDuration153000000JPY
Income taxesPrior1InterimDuration45717000000JPY
Income taxesInterimDuration37490000000JPY
Profit lossPrior1InterimDuration107638000000JPY
Profit lossInterimDuration88193000000JPY
Profit loss attributable to non controlling interestsPrior1InterimDuration1608000000JPY
Profit loss attributable to non controlling interestsInterimDuration537000000JPY
Profit loss attributable to owners of parentPrior1InterimDuration106030000000JPY
Profit loss attributable to owners of parentInterimDuration87656000000JPY
Profit lossPrior1InterimDuration107638000000JPY
Profit lossInterimDuration88193000000JPY
Valuation difference on available for sale securities net of tax ociPrior1InterimDuration-1013000000JPY
Valuation difference on available for sale securities net of tax ociInterimDuration3925000000JPY
Deferred gains or losses on hedges net of tax ociPrior1InterimDuration-2480000000JPY
Deferred gains or losses on hedges net of tax ociInterimDuration2602000000JPY
Foreign currency translation adjustment net of tax ociPrior1InterimDuration-401000000JPY
Foreign currency translation adjustment net of tax ociInterimDuration1822000000JPY
Remeasurements of defined benefit plans net of tax ociPrior1InterimDuration-3108000000JPY
Remeasurements of defined benefit plans net of tax ociInterimDuration-2532000000JPY
Share of other comprehensive income of associates accounted for using equity method ociPrior1InterimDuration232000000JPY
Share of other comprehensive income of associates accounted for using equity method ociInterimDuration230000000JPY
Other comprehensive incomePrior1InterimDuration-6771000000JPY
Other comprehensive incomeInterimDuration6048000000JPY
Comprehensive incomePrior1InterimDuration100866000000JPY
Comprehensive incomeInterimDuration94242000000JPY
Comprehensive income attributable to owners of the parentPrior1InterimDuration99422000000JPY
Comprehensive income attributable to owners of the parentInterimDuration93708000000JPY
Comprehensive income attributable to non controlling interestsPrior1InterimDuration1444000000JPY
Comprehensive income attributable to non controlling interestsInterimDuration533000000JPY
Income before income taxesPrior1InterimDuration153355000000JPY
Income before income taxesInterimDuration125684000000JPY
Depreciation and amortization ope cfPrior1InterimDuration96949000000JPY
Depreciation and amortization ope cfInterimDuration112630000000JPY
Amortization of special account related to nuclear power decommissioning ope cfPrior1InterimDuration1798000000JPY
Amortization of special account related to nuclear power decommissioning ope cfInterimDuration1798000000JPY
Amortization of nuclear fuel ope cfelePrior1InterimDuration420000000JPY
Amortization of nuclear fuel ope cfeleInterimDuration1737000000JPY
Loss on retirement of noncurrent assets ope cfPrior1InterimDuration1400000000JPY
Loss on retirement of noncurrent assets ope cfInterimDuration1258000000JPY
Increase decrease in net defined benefit liability ope cfPrior1InterimDuration-1156000000JPY
Increase decrease in net defined benefit liability ope cfInterimDuration-1275000000JPY
Increase decrease in contribution payable for nuclear reactor decommissioning ope cfPrior1InterimDuration141359000000JPY
Increase decrease in contribution payable for nuclear reactor decommissioning ope cfInterimDuration-JPY
Interest and dividends income ope cfPrior1InterimDuration-1095000000JPY
Interest and dividends income ope cfInterimDuration-1216000000JPY
Interest expenses ope cfPrior1InterimDuration12612000000JPY

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