Half-year report · HY

Period2025-04-01 → 2025-09-30
Filed2025-11-12
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 44
MetricValuePeriodScopeSource row
Revenue¥384.9bn2025-04-01 → 2025-09-30Cons.Net sales
Revenue¥851.4bn2024-04-01 → 2025-03-31Cons.Net sales (5-year summary)
Revenue¥418.4bn2024-04-01 → 2024-09-30Cons.Net sales
Operating income¥66.3bn2025-04-01 → 2025-09-30Cons.Operating income
Operating income¥53.6bn2024-04-01 → 2024-09-30Cons.Operating income
Ordinary income¥66.3bn2025-04-01 → 2025-09-30Cons.Ordinary income
Ordinary income¥91.6bn2024-04-01 → 2025-03-31Cons.Ordinary income loss (5-year summary)
Ordinary income¥55.9bn2024-04-01 → 2024-09-30Cons.Ordinary income
Profit before tax¥66.3bn2025-04-01 → 2025-09-30Cons.Income before income taxes
Profit before tax¥55.7bn2024-04-01 → 2024-09-30Cons.Income before income taxes
Net income (owners)¥49.6bn2025-04-01 → 2025-09-30Cons.Profit loss attributable to owners of parent
Net income (owners)¥68.3bn2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥41.3bn2024-04-01 → 2024-09-30Cons.Profit loss attributable to owners of parent
Net income¥49.7bn2025-04-01 → 2025-09-30Cons.Profit loss
Net income¥41.4bn2024-04-01 → 2024-09-30Cons.Profit loss
Total assets¥1.73Tat 2025-09-30Cons.Assets
Total assets¥1.69Tat 2025-03-31Cons.Assets
Total assets¥1.65Tat 2024-09-30Cons.Total assets (5-year summary)
Total liabilities¥1.25Tat 2025-09-30Cons.Liabilities
Total liabilities¥1.25Tat 2025-03-31Cons.Liabilities
Net assets / equity¥474.2bnat 2025-09-30Cons.Net assets
Net assets / equity¥440.8bnat 2025-03-31Cons.Net assets
Net assets / equity¥408.4bnat 2024-09-30Cons.Net assets (5-year summary)
Cash and deposits¥116.5bnat 2025-09-30Cons.Cash and deposits
Cash and deposits¥130.2bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥116.4bnat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥130.1bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥108.8bnat 2024-09-30Cons.Cash and cash equivalents
Cash & equivalents¥118.3bnat 2024-03-31vCons.Cash and cash equivalents
Operating cash flow¥48.2bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in operating activities
Operating cash flow¥129.8bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥33.6bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in operating activities
Investing cash flow−¥80.1bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in investment activities
Investing cash flow−¥92.9bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥33.1bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in investment activities
Financing cash flow¥18.8bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in financing activities
Financing cash flow−¥25.3bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥10.2bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in financing activities
EPS (basic)¥241.322025-04-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥332.22024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥200.822024-04-01 → 2024-09-30Cons.Basic earnings loss per share (5-year summary)
Equity ratio27.3%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Equity ratio26.0%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio24.6%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 · 70
SegmentItemPeriodValue
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2025-04-01 → 2025-09-30¥18.0bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2025-04-01 → 2025-09-30¥4.3bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2025-04-01 → 2025-09-30¥13.7bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment ordinary income2025-04-01 → 2025-09-30¥1.6bn
Reconciling Itemsreconcilingrevenue2025-04-01 → 2025-09-30−¥134.1bn
Reconciling Itemsreconcilingrevenue intersegment2025-04-01 → 2025-09-30−¥134.1bn
Reconciling Itemsreconcilingsegment ordinary income2025-04-01 → 2025-09-30¥26m
Construction Engineeringreportable segmentrevenue2025-04-01 → 2025-09-30¥21.0bn
Construction Engineeringreportable segmentrevenue external2025-04-01 → 2025-09-30¥7.8bn
Construction Engineeringreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥13.1bn
Construction Engineeringreportable segmentsegment ordinary income2025-04-01 → 2025-09-30¥553m
Energyreportable segmentrevenue2025-04-01 → 2025-09-30¥12.9bn
Energyreportable segmentrevenue external2025-04-01 → 2025-09-30¥10.8bn
Energyreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥2.0bn
Energyreportable segmentsegment ordinary income2025-04-01 → 2025-09-30¥2.5bn
Information Technology Communicationsreportable segmentrevenue2025-04-01 → 2025-09-30¥25.7bn
Information Technology Communicationsreportable segmentrevenue external2025-04-01 → 2025-09-30¥20.0bn
Information Technology Communicationsreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥5.7bn
Information Technology Communicationsreportable segmentsegment ordinary income2025-04-01 → 2025-09-30¥6.0bn
Power Generation And Salesreportable segmentrevenue2025-04-01 → 2025-09-30¥326.0bn
Power Generation And Salesreportable segmentrevenue external2025-04-01 → 2025-09-30¥301.6bn
Power Generation And Salesreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥24.4bn
Power Generation And Salesreportable segmentsegment ordinary income2025-04-01 → 2025-09-30¥47.8bn
Transmission And Distributionreportable segmentrevenue2025-04-01 → 2025-09-30¥115.5bn
Transmission And Distributionreportable segmentrevenue external2025-04-01 → 2025-09-30¥40.3bn
Transmission And Distributionreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥75.2bn
Transmission And Distributionreportable segmentsegment ordinary income2025-04-01 → 2025-09-30¥7.8bn
—segment totalrevenue2025-04-01 → 2025-09-30¥501.0bn
—segment totalrevenue external2025-04-01 → 2025-09-30¥380.6bn
—segment totalrevenue intersegment2025-04-01 → 2025-09-30¥120.4bn
—segment totalsegment ordinary income2025-04-01 → 2025-09-30¥64.7bn
Total Of Reportable Segments And Otherssegment totalrevenue2025-04-01 → 2025-09-30¥519.0bn
Total Of Reportable Segments And Otherssegment totalrevenue external2025-04-01 → 2025-09-30¥384.9bn
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2025-04-01 → 2025-09-30¥134.1bn
Total Of Reportable Segments And Otherssegment totalsegment ordinary income2025-04-01 → 2025-09-30¥66.3bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2024-04-01 → 2024-09-30¥14.4bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2024-04-01 → 2024-09-30¥3.4bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2024-04-01 → 2024-09-30¥11.0bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment ordinary income2024-04-01 → 2024-09-30¥1.0bn
Reconciling Itemsreconcilingrevenue2024-04-01 → 2024-09-30−¥133.3bn
Reconciling Itemsreconcilingrevenue intersegment2024-04-01 → 2024-09-30−¥133.3bn
Reconciling Itemsreconcilingsegment ordinary income2024-04-01 → 2024-09-30¥90m
Construction Engineeringreportable segmentrevenue2024-04-01 → 2024-09-30¥23.3bn
Construction Engineeringreportable segmentrevenue external2024-04-01 → 2024-09-30¥9.9bn
Construction Engineeringreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥13.4bn
Construction Engineeringreportable segmentsegment ordinary income2024-04-01 → 2024-09-30¥1.7bn
Energyreportable segmentrevenue2024-04-01 → 2024-09-30¥12.9bn
Energyreportable segmentrevenue external2024-04-01 → 2024-09-30¥11.2bn
Energyreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥1.7bn
Energyreportable segmentsegment ordinary income2024-04-01 → 2024-09-30¥3.2bn
Information Technology Communicationsreportable segmentrevenue2024-04-01 → 2024-09-30¥24.4bn
Information Technology Communicationsreportable segmentrevenue external2024-04-01 → 2024-09-30¥19.2bn
Information Technology Communicationsreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥5.2bn
Information Technology Communicationsreportable segmentsegment ordinary income2024-04-01 → 2024-09-30¥5.5bn
Power Generation And Salesreportable segmentrevenue2024-04-01 → 2024-09-30¥350.8bn
Power Generation And Salesreportable segmentrevenue external2024-04-01 → 2024-09-30¥327.1bn
Power Generation And Salesreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥23.7bn
Power Generation And Salesreportable segmentsegment ordinary income2024-04-01 → 2024-09-30¥27.7bn
Transmission And Distributionreportable segmentrevenue2024-04-01 → 2024-09-30¥125.8bn
Transmission And Distributionreportable segmentrevenue external2024-04-01 → 2024-09-30¥47.6bn
Transmission And Distributionreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥78.3bn
Transmission And Distributionreportable segmentsegment ordinary income2024-04-01 → 2024-09-30¥16.7bn
—segment totalrevenue2024-04-01 → 2024-09-30¥537.3bn
—segment totalrevenue external2024-04-01 → 2024-09-30¥415.0bn
—segment totalrevenue intersegment2024-04-01 → 2024-09-30¥122.3bn
—segment totalsegment ordinary income2024-04-01 → 2024-09-30¥54.8bn
Total Of Reportable Segments And Otherssegment totalrevenue2024-04-01 → 2024-09-30¥551.7bn
Total Of Reportable Segments And Otherssegment totalrevenue external2024-04-01 → 2024-09-30¥418.4bn
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2024-04-01 → 2024-09-30¥133.3bn
Total Of Reportable Segments And Otherssegment totalsegment ordinary income2024-04-01 → 2024-09-30¥55.8bn

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

All source rows · 594
ItemContextValueUnit
Interest expenses noePrior1InterimDuration3090000000JPY
Interest expenses noeInterimDuration3510000000JPY
Other noePrior1InterimDuration597000000JPY
Other noeInterimDuration467000000JPY
Ordinary incomePrior1InterimDuration55902000000JPY
Ordinary incomeInterimDuration66309000000JPY
Provision or reversal of reserve for fluctuation in water levels elePrior1InterimDuration190000000JPY
Provision or reversal of reserve for fluctuation in water levels eleInterimDuration-JPY
Provision of reserve for fluctuation in water levels elePrior1InterimDuration190000000JPY
Provision of reserve for fluctuation in water levels eleInterimDuration-JPY
Income before income taxesPrior1InterimDuration55712000000JPY
Income before income taxesInterimDuration66309000000JPY
Income taxesPrior1InterimDuration14303000000JPY
Income taxesInterimDuration16593000000JPY
Profit lossPrior1InterimDuration41408000000JPY
Profit lossInterimDuration49716000000JPY
Profit loss attributable to non controlling interestsPrior1InterimDuration105000000JPY
Profit loss attributable to non controlling interestsInterimDuration82000000JPY
Profit loss attributable to owners of parentPrior1InterimDuration41303000000JPY
Profit loss attributable to owners of parentInterimDuration49634000000JPY
Profit lossPrior1InterimDuration41408000000JPY
Profit lossInterimDuration49716000000JPY
Valuation difference on available for sale securities net of tax ociPrior1InterimDuration2347000000JPY
Valuation difference on available for sale securities net of tax ociInterimDuration574000000JPY
Deferred gains or losses on hedges net of tax ociPrior1InterimDuration-1397000000JPY
Deferred gains or losses on hedges net of tax ociInterimDuration31000000JPY
Foreign currency translation adjustment net of tax ociPrior1InterimDuration6117000000JPY
Foreign currency translation adjustment net of tax ociInterimDuration-5108000000JPY
Remeasurements of defined benefit plans net of tax ociPrior1InterimDuration-2355000000JPY
Remeasurements of defined benefit plans net of tax ociInterimDuration-6262000000JPY
Share of other comprehensive income of associates accounted for using equity method ociPrior1InterimDuration2211000000JPY
Share of other comprehensive income of associates accounted for using equity method ociInterimDuration-1432000000JPY
Other comprehensive incomePrior1InterimDuration6923000000JPY
Other comprehensive incomeInterimDuration-12197000000JPY
Comprehensive incomePrior1InterimDuration48331000000JPY
Comprehensive incomeInterimDuration37519000000JPY
Comprehensive income attributable to owners of the parentPrior1InterimDuration48226000000JPY
Comprehensive income attributable to owners of the parentInterimDuration37437000000JPY
Comprehensive income attributable to non controlling interestsPrior1InterimDuration105000000JPY
Comprehensive income attributable to non controlling interestsInterimDuration82000000JPY
Income before income taxesPrior1InterimDuration55712000000JPY
Income before income taxesInterimDuration66309000000JPY
Depreciation and amortization ope cfPrior1InterimDuration28438000000JPY
Depreciation and amortization ope cfInterimDuration30174000000JPY
Amortization of special account related to nuclear power decommissioning ope cfelePrior1InterimDuration2605000000JPY
Amortization of special account related to nuclear power decommissioning ope cfeleInterimDuration2605000000JPY
Amortization of nuclear fuel ope cfelePrior1InterimDuration1483000000JPY
Amortization of nuclear fuel ope cfeleInterimDuration2483000000JPY
Loss on retirement of noncurrent assets ope cfPrior1InterimDuration627000000JPY
Loss on retirement of noncurrent assets ope cfInterimDuration615000000JPY

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 rounding
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