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¥1.13T2025-04-01 → 2025-09-30Cons.Operating revenue1
Revenue¥2.36T2024-04-01 → 2025-03-31Cons.Operating revenue1 (5-year summary)
Revenue¥1.15T2024-04-01 → 2024-09-30Cons.Operating revenue1
Operating income¥169.7bn2025-04-01 → 2025-09-30Cons.Operating income
Operating income¥108.6bn2024-04-01 → 2024-09-30Cons.Operating income
Ordinary income¥165.3bn2025-04-01 → 2025-09-30Cons.Ordinary income
Ordinary income¥194.7bn2024-04-01 → 2025-03-31Cons.Ordinary income loss (5-year summary)
Ordinary income¥103.3bn2024-04-01 → 2024-09-30Cons.Ordinary income
Profit before tax¥165.1bn2025-04-01 → 2025-09-30Cons.Income before income taxes
Profit before tax¥102.9bn2024-04-01 → 2024-09-30Cons.Income before income taxes
Net income (owners)¥123.2bn2025-04-01 → 2025-09-30Cons.Profit loss attributable to owners of parent
Net income (owners)¥128.8bn2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥74.3bn2024-04-01 → 2024-09-30Cons.Profit loss attributable to owners of parent
Net income¥123.7bn2025-04-01 → 2025-09-30Cons.Profit loss
Net income¥74.9bn2024-04-01 → 2024-09-30Cons.Profit loss
Total assets¥5.87Tat 2025-09-30Cons.Assets
Total assets¥5.77Tat 2025-03-31Cons.Assets
Total assets¥5.72Tat 2024-09-30Cons.Total assets (5-year summary)
Total liabilities¥4.75Tat 2025-09-30Cons.Liabilities
Total liabilities¥4.74Tat 2025-03-31Cons.Liabilities
Net assets / equity¥1.13Tat 2025-09-30Cons.Net assets
Net assets / equity¥1.03Tat 2025-03-31Cons.Net assets
Net assets / equity¥993.2bnat 2024-09-30Cons.Net assets (5-year summary)
Cash and deposits¥376.0bnat 2025-09-30Cons.Cash and deposits
Cash and deposits¥362.6bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥358.9bnat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥349.7bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥206.0bnat 2024-09-30Cons.Cash and cash equivalents
Cash & equivalents¥364.2bnat 2024-03-31vCons.Cash and cash equivalents
Operating cash flow¥144.3bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in operating activities
Operating cash flow¥431.9bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥80.1bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in operating activities
Investing cash flow−¥181.0bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in investment activities
Investing cash flow−¥358.9bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥180.1bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in investment activities
Financing cash flow¥49.0bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in financing activities
Financing cash flow−¥91.4bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥62.5bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in financing activities
EPS (basic)¥254.582025-04-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥260.142024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥150.972024-04-01 → 2024-09-30Cons.Basic earnings loss per share (5-year summary)
Equity ratio18.7%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Equity ratio17.3%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio16.8%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 · 76
SegmentItemPeriodValue
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2025-04-01 → 2025-09-30¥4.5bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2025-04-01 → 2025-09-30¥2.1bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2025-04-01 → 2025-09-30¥2.5bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment ordinary income2025-04-01 → 2025-09-30¥204m
Reconciling Itemsreconcilingrevenue2025-04-01 → 2025-09-30−¥406.7bn
Reconciling Itemsreconcilingrevenue intersegment2025-04-01 → 2025-09-30−¥406.7bn
Reconciling Itemsreconcilingsegment ordinary income2025-04-01 → 2025-09-30¥1.0bn
Electricity Transmission And Distribution Businessreportable segmentrevenue2025-04-01 → 2025-09-30¥363.4bn
Electricity Transmission And Distribution Businessreportable segmentrevenue external2025-04-01 → 2025-09-30¥137.1bn
Electricity Transmission And Distribution Businessreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥226.3bn
Electricity Transmission And Distribution Businessreportable segmentsegment ordinary income2025-04-01 → 2025-09-30¥19.2bn
ICT Servicesreportable segmentrevenue2025-04-01 → 2025-09-30¥65.9bn
ICT Servicesreportable segmentrevenue external2025-04-01 → 2025-09-30¥50.5bn
ICT Servicesreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥15.4bn
ICT Servicesreportable segmentsegment ordinary income2025-04-01 → 2025-09-30¥4.6bn
Other Energy Service Businessreportable segmentrevenue2025-04-01 → 2025-09-30¥154.5bn
Other Energy Service Businessreportable segmentrevenue external2025-04-01 → 2025-09-30¥70.9bn
Other Energy Service Businessreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥83.6bn
Other Energy Service Businessreportable segmentsegment ordinary income2025-04-01 → 2025-09-30¥13.0bn
Overseas Businessreportable segmentrevenue2025-04-01 → 2025-09-30¥1.7bn
Overseas Businessreportable segmentrevenue external2025-04-01 → 2025-09-30¥1.7bn
Overseas Businessreportable segmentsegment ordinary income2025-04-01 → 2025-09-30¥4.9bn
Power Generation And Retail Electricity Businessreportable segmentrevenue2025-04-01 → 2025-09-30¥930.8bn
Power Generation And Retail Electricity Businessreportable segmentrevenue external2025-04-01 → 2025-09-30¥857.6bn
Power Generation And Retail Electricity Businessreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥73.3bn
Power Generation And Retail Electricity Businessreportable segmentsegment ordinary income2025-04-01 → 2025-09-30¥120.4bn
Urban Development Businessreportable segmentrevenue2025-04-01 → 2025-09-30¥13.6bn
Urban Development Businessreportable segmentrevenue external2025-04-01 → 2025-09-30¥8.0bn
Urban Development Businessreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥5.7bn
Urban Development Businessreportable segmentsegment ordinary income2025-04-01 → 2025-09-30¥2.0bn
—segment totalrevenue2025-04-01 → 2025-09-30¥1.53T
—segment totalrevenue external2025-04-01 → 2025-09-30¥1.13T
—segment totalrevenue intersegment2025-04-01 → 2025-09-30¥404.3bn
—segment totalsegment ordinary income2025-04-01 → 2025-09-30¥164.1bn
Total Of Reportable Segments And Otherssegment totalrevenue2025-04-01 → 2025-09-30¥1.53T
Total Of Reportable Segments And Otherssegment totalrevenue external2025-04-01 → 2025-09-30¥1.13T
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2025-04-01 → 2025-09-30¥406.7bn
Total Of Reportable Segments And Otherssegment totalsegment ordinary income2025-04-01 → 2025-09-30¥164.3bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2024-04-01 → 2024-09-30¥4.8bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2024-04-01 → 2024-09-30¥2.0bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2024-04-01 → 2024-09-30¥2.8bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment ordinary income2024-04-01 → 2024-09-30¥157m
Reconciling Itemsreconcilingrevenue2024-04-01 → 2024-09-30−¥428.2bn
Reconciling Itemsreconcilingrevenue intersegment2024-04-01 → 2024-09-30−¥428.2bn
Reconciling Itemsreconcilingsegment ordinary income2024-04-01 → 2024-09-30−¥628m
Electricity Transmission And Distribution Businessreportable segmentrevenue2024-04-01 → 2024-09-30¥367.6bn
Electricity Transmission And Distribution Businessreportable segmentrevenue external2024-04-01 → 2024-09-30¥127.6bn
Electricity Transmission And Distribution Businessreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥240.0bn
Electricity Transmission And Distribution Businessreportable segmentsegment ordinary income2024-04-01 → 2024-09-30¥26.0bn
ICT Servicesreportable segmentrevenue2024-04-01 → 2024-09-30¥58.1bn
ICT Servicesreportable segmentrevenue external2024-04-01 → 2024-09-30¥43.4bn
ICT Servicesreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥14.6bn
ICT Servicesreportable segmentsegment ordinary income2024-04-01 → 2024-09-30¥2.4bn
Other Energy Service Businessreportable segmentrevenue2024-04-01 → 2024-09-30¥143.4bn
Other Energy Service Businessreportable segmentrevenue external2024-04-01 → 2024-09-30¥59.1bn
Other Energy Service Businessreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥84.2bn
Other Energy Service Businessreportable segmentsegment ordinary income2024-04-01 → 2024-09-30¥15.0bn
Overseas Businessreportable segmentrevenue2024-04-01 → 2024-09-30¥1.8bn
Overseas Businessreportable segmentrevenue external2024-04-01 → 2024-09-30¥1.8bn
Overseas Businessreportable segmentsegment ordinary income2024-04-01 → 2024-09-30¥4.2bn
Power Generation And Retail Electricity Businessreportable segmentrevenue2024-04-01 → 2024-09-30¥989.7bn
Power Generation And Retail Electricity Businessreportable segmentrevenue external2024-04-01 → 2024-09-30¥908.6bn
Power Generation And Retail Electricity Businessreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥81.0bn
Power Generation And Retail Electricity Businessreportable segmentsegment ordinary income2024-04-01 → 2024-09-30¥53.9bn
Urban Development Businessreportable segmentrevenue2024-04-01 → 2024-09-30¥14.1bn
Urban Development Businessreportable segmentrevenue external2024-04-01 → 2024-09-30¥8.6bn
Urban Development Businessreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥5.6bn
Urban Development Businessreportable segmentsegment ordinary income2024-04-01 → 2024-09-30¥2.2bn
—segment totalrevenue2024-04-01 → 2024-09-30¥1.57T
—segment totalrevenue external2024-04-01 → 2024-09-30¥1.15T
—segment totalrevenue intersegment2024-04-01 → 2024-09-30¥425.5bn
—segment totalsegment ordinary income2024-04-01 → 2024-09-30¥103.7bn
Total Of Reportable Segments And Otherssegment totalrevenue2024-04-01 → 2024-09-30¥1.58T
Total Of Reportable Segments And Otherssegment totalrevenue external2024-04-01 → 2024-09-30¥1.15T
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2024-04-01 → 2024-09-30¥428.2bn
Total Of Reportable Segments And Otherssegment totalsegment ordinary income2024-04-01 → 2024-09-30¥103.9bn

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

All source rows · 693
ItemContextValueUnit
Income taxesPrior1InterimDuration27993000000JPY
Income taxesInterimDuration41437000000JPY
Profit lossPrior1InterimDuration74889000000JPY
Profit lossInterimDuration123681000000JPY
Profit loss attributable to non controlling interestsPrior1InterimDuration603000000JPY
Profit loss attributable to non controlling interestsInterimDuration462000000JPY
Profit loss attributable to owners of parentPrior1InterimDuration74286000000JPY
Profit loss attributable to owners of parentInterimDuration123218000000JPY
Profit lossPrior1InterimDuration74889000000JPY
Profit lossInterimDuration123681000000JPY
Valuation difference on available for sale securities net of tax ociPrior1InterimDuration503000000JPY
Valuation difference on available for sale securities net of tax ociInterimDuration732000000JPY
Deferred gains or losses on hedges net of tax ociPrior1InterimDuration-2509000000JPY
Deferred gains or losses on hedges net of tax ociInterimDuration1617000000JPY
Foreign currency translation adjustment net of tax ociPrior1InterimDuration13774000000JPY
Foreign currency translation adjustment net of tax ociInterimDuration-8318000000JPY
Remeasurements of defined benefit plans net of tax ociPrior1InterimDuration-1379000000JPY
Remeasurements of defined benefit plans net of tax ociInterimDuration-2069000000JPY
Share of other comprehensive income of associates accounted for using equity method ociPrior1InterimDuration3848000000JPY
Share of other comprehensive income of associates accounted for using equity method ociInterimDuration-3594000000JPY
Other comprehensive incomePrior1InterimDuration14237000000JPY
Other comprehensive incomeInterimDuration-11631000000JPY
Comprehensive incomePrior1InterimDuration89127000000JPY
Comprehensive incomeInterimDuration112049000000JPY
Comprehensive income attributable to owners of the parentPrior1InterimDuration88537000000JPY
Comprehensive income attributable to owners of the parentInterimDuration111404000000JPY
Comprehensive income attributable to non controlling interestsPrior1InterimDuration589000000JPY
Comprehensive income attributable to non controlling interestsInterimDuration644000000JPY
Income before income taxesPrior1InterimDuration102883000000JPY
Income before income taxesInterimDuration165118000000JPY
Depreciation and amortization ope cfPrior1InterimDuration110473000000JPY
Depreciation and amortization ope cfInterimDuration113468000000JPY
Amortization of special account related to nuclear power decommissioning ope cfPrior1InterimDuration2790000000JPY
Amortization of special account related to nuclear power decommissioning ope cfInterimDuration2476000000JPY
Amortization of nuclear fuel ope cfelePrior1InterimDuration12172000000JPY
Amortization of nuclear fuel ope cfeleInterimDuration12164000000JPY
Increase decrease in contribution payable for nuclear reactor decommissioning ope cfPrior1InterimDuration264742000000JPY
Increase decrease in contribution payable for nuclear reactor decommissioning ope cfInterimDuration-JPY
Loss on retirement of noncurrent assets ope cfPrior1InterimDuration1835000000JPY
Loss on retirement of noncurrent assets ope cfInterimDuration2155000000JPY
Increase decrease in net defined benefit liability ope cfPrior1InterimDuration-2805000000JPY
Increase decrease in net defined benefit liability ope cfInterimDuration-4191000000JPY
Decrease in asset retirement obligation due to change in system of nuclear reactor decommissioning ope cfPrior1InterimDuration-291011000000JPY
Decrease in asset retirement obligation due to change in system of nuclear reactor decommissioning ope cfInterimDuration-JPY
Increase decrease in reserve for fluctuation in water levels ope cfelePrior1InterimDuration393000000JPY
Increase decrease in reserve for fluctuation in water levels ope cfeleInterimDuration204000000JPY
Interest and dividends income ope cfPrior1InterimDuration-2914000000JPY
Interest and dividends income ope cfInterimDuration-3404000000JPY
Interest expenses ope cfPrior1InterimDuration14437000000JPY
Interest expenses ope cfInterimDuration16326000000JPY

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