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
Other electric utility operating expensesInterimDuration153288000000JPY
Other electric utility operating expenses sgaInterimDuration29692000000JPY
Subtotal electric utility operating expensesPrior1InterimDuration947758000000JPY
Selling general and administrative expenses electric utility operating expensesPrior1InterimDuration92348000000JPY
Subtotal electric utility operating expensesInterimDuration804381000000JPY
Selling general and administrative expenses electric utility operating expensesInterimDuration97465000000JPY
Internal transaction cancellation electric utility operating expensesPrior1InterimDuration-11638000000JPY
Internal transaction cancellation electric utility operating expensesInterimDuration-11464000000JPY
Electric utility operating expensesPrior1InterimDuration936119000000JPY
Electric utility operating expensesInterimDuration792916000000JPY
Revenues from external customersPrior1InterimDuration_jpcrp040300-ssr_E04506-000PowerGenerationAndRetailElectricityBusinessReportableSegmentMember908629000000JPY
Revenues from external customersPrior1InterimDuration_jpcrp040300-ssr_E04506-000ElectricityTransmissionAndDistributionBusinessReportableSegmentMember127635000000JPY
Revenues from external customersPrior1InterimDuration_jpcrp040300-ssr_E04506-000OverseasBusinessReportableSegmentsMember1777000000JPY
Revenues from external customersPrior1InterimDuration_jpcrp040300-ssr_E04506-000OtherEnergyServiceBusinessReportableSegmentMember59142000000JPY
Revenues from external customersPrior1InterimDuration_jpcrp040300-ssr_E04506-000ICTServicesReportableSegmentMember43409000000JPY
Revenues from external customersPrior1InterimDuration_jpcrp040300-ssr_E04506-000UrbanDevelopmentBusinessReportableSegmentsMember8561000000JPY
Revenues from external customersPrior1InterimDuration_ReportableSegmentsMember1149156000000JPY
Revenues from external customersPrior1InterimDuration_OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember2036000000JPY
Revenues from external customersPrior1InterimDuration_TotalOfReportableSegmentsAndOthersMember1151192000000JPY
Revenues from external customersPrior1InterimDuration_ReconcilingItemsMember-JPY
Revenues from external customersPrior1InterimDuration1151192000000JPY
Transactions with other segmentsPrior1InterimDuration_jpcrp040300-ssr_E04506-000PowerGenerationAndRetailElectricityBusinessReportableSegmentMember81050000000JPY
Transactions with other segmentsPrior1InterimDuration_jpcrp040300-ssr_E04506-000ElectricityTransmissionAndDistributionBusinessReportableSegmentMember239977000000JPY
Transactions with other segmentsPrior1InterimDuration_jpcrp040300-ssr_E04506-000OverseasBusinessReportableSegmentsMember-JPY
Transactions with other segmentsPrior1InterimDuration_jpcrp040300-ssr_E04506-000OtherEnergyServiceBusinessReportableSegmentMember84237000000JPY
Transactions with other segmentsPrior1InterimDuration_jpcrp040300-ssr_E04506-000ICTServicesReportableSegmentMember14648000000JPY
Transactions with other segmentsPrior1InterimDuration_jpcrp040300-ssr_E04506-000UrbanDevelopmentBusinessReportableSegmentsMember5555000000JPY
Transactions with other segmentsPrior1InterimDuration_ReportableSegmentsMember425470000000JPY
Transactions with other segmentsPrior1InterimDuration_OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember2767000000JPY
Transactions with other segmentsPrior1InterimDuration_TotalOfReportableSegmentsAndOthersMember428237000000JPY
Transactions with other segmentsPrior1InterimDuration_ReconcilingItemsMember-428237000000JPY
Transactions with other segmentsPrior1InterimDuration-JPY
Operating revenue1Prior1InterimDuration_jpcrp040300-ssr_E04506-000PowerGenerationAndRetailElectricityBusinessReportableSegmentMember989680000000JPY
Operating revenue1Prior1InterimDuration_jpcrp040300-ssr_E04506-000ElectricityTransmissionAndDistributionBusinessReportableSegmentMember367613000000JPY
Operating revenue1Prior1InterimDuration_jpcrp040300-ssr_E04506-000OverseasBusinessReportableSegmentsMember1777000000JPY
Operating revenue1Prior1InterimDuration_jpcrp040300-ssr_E04506-000OtherEnergyServiceBusinessReportableSegmentMember143380000000JPY
Operating revenue1Prior1InterimDuration_jpcrp040300-ssr_E04506-000ICTServicesReportableSegmentMember58058000000JPY
Operating revenue1Prior1InterimDuration_jpcrp040300-ssr_E04506-000UrbanDevelopmentBusinessReportableSegmentsMember14117000000JPY
Operating revenue1Prior1InterimDuration_ReportableSegmentsMember1574626000000JPY
Operating revenue1Prior1InterimDuration_OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember4803000000JPY
Operating revenue1Prior1InterimDuration_TotalOfReportableSegmentsAndOthersMember1579430000000JPY
Operating revenue1Prior1InterimDuration_ReconcilingItemsMember-428237000000JPY
Operating revenue1Prior1InterimDuration1151192000000JPY
Ordinary incomePrior1InterimDuration_jpcrp040300-ssr_E04506-000PowerGenerationAndRetailElectricityBusinessReportableSegmentMember53942000000JPY
Ordinary incomePrior1InterimDuration_jpcrp040300-ssr_E04506-000ElectricityTransmissionAndDistributionBusinessReportableSegmentMember25968000000JPY
Ordinary incomePrior1InterimDuration_jpcrp040300-ssr_E04506-000OverseasBusinessReportableSegmentsMember4173000000JPY
Ordinary incomePrior1InterimDuration_jpcrp040300-ssr_E04506-000OtherEnergyServiceBusinessReportableSegmentMember15044000000JPY
Ordinary incomePrior1InterimDuration_jpcrp040300-ssr_E04506-000ICTServicesReportableSegmentMember2437000000JPY
Ordinary incomePrior1InterimDuration_jpcrp040300-ssr_E04506-000UrbanDevelopmentBusinessReportableSegmentsMember2179000000JPY
Ordinary incomePrior1InterimDuration_ReportableSegmentsMember103747000000JPY

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