Half-year report · HY

Period2025-04-01 → 2025-09-30
Filed2025-11-12
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 46
MetricValuePeriodScopeSource row
Revenue¥1.75T2025-04-01 → 2025-09-30Cons.Operating revenue1
Revenue¥3.67T2024-04-01 → 2025-03-31Cons.Operating revenue1 (5-year summary)
Revenue¥1.77T2024-04-01 → 2024-09-30Cons.Operating revenue1
Operating income¥145.5bn2025-04-01 → 2025-09-30Cons.Operating income
Operating income¥142.8bn2024-04-01 → 2024-09-30Cons.Operating income
Ordinary income¥196.3bn2025-04-01 → 2025-09-30Cons.Ordinary income
Ordinary income¥187.9bn2024-04-01 → 2024-09-30Cons.Ordinary income
Profit before tax¥196.2bn2025-04-01 → 2025-09-30Cons.Income before income taxes
Profit before tax¥187.3bn2024-04-01 → 2024-09-30Cons.Income before income taxes
Net income (owners)¥166.4bn2025-04-01 → 2025-09-30Cons.Profit loss attributable to owners of parent
Net income (owners)¥202.1bn2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥147.0bn2024-04-01 → 2024-09-30Cons.Profit loss attributable to owners of parent
Net income¥166.7bn2025-04-01 → 2025-09-30Cons.Profit loss
Net income¥148.2bn2024-04-01 → 2024-09-30Cons.Profit loss
Total assets¥7.41Tat 2025-09-30Cons.Assets
Total assets¥7.12Tat 2025-03-31Cons.Assets
Total assets¥7.04Tat 2024-09-30Cons.Total assets (5-year summary)
Total liabilities¥4.43Tat 2025-09-30Cons.Liabilities
Total liabilities¥4.27Tat 2025-03-31Cons.Liabilities
Net assets / equity¥2.98Tat 2025-09-30Cons.Net assets
Net assets / equity¥2.86Tat 2025-03-31Cons.Net assets
Net assets / equity¥2.81Tat 2024-09-30Cons.Net assets (5-year summary)
Cash and deposits¥348.2bnat 2025-09-30Cons.Cash and deposits
Cash and deposits¥293.5bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥430.3bnat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥292.5bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥299.6bnat 2024-09-30Cons.Cash and cash equivalents
Cash & equivalents¥418.5bnat 2024-03-31vCons.Cash and cash equivalents
Operating cash flow¥147.3bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in operating activities
Operating cash flow¥301.3bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥67.3bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in operating activities
Investing cash flow−¥164.8bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in investment activities
Investing cash flow−¥391.8bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥210.3bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in investment activities
Financing cash flow¥155.0bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in financing activities
Financing cash flow−¥27.6bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow¥31.8bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in financing activities
EPS (basic)¥220.282025-04-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥267.412024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥194.392024-04-01 → 2024-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (diluted)¥220.282025-04-01 → 2025-09-30Cons.Diluted earnings per share (5-year summary)
EPS (diluted)¥267.42024-04-01 → 2025-03-31Cons.Diluted earnings per share (5-year summary)
EPS (diluted)¥194.392024-04-01 → 2024-09-30Cons.Diluted earnings per share (5-year summary)
Equity ratio39.3%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Equity ratio39.1%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio38.9%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 · 48
SegmentItemPeriodValue
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2025-04-01 → 2025-09-30¥317.0bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2025-04-01 → 2025-09-30¥117.9bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2025-04-01 → 2025-09-30¥199.2bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment ordinary income2025-04-01 → 2025-09-30¥105.3bn
Reconciling Itemsreconcilingrevenue2025-04-01 → 2025-09-30−¥485.1bn
Reconciling Itemsreconcilingrevenue intersegment2025-04-01 → 2025-09-30−¥485.1bn
Reconciling Itemsreconcilingsegment ordinary income2025-04-01 → 2025-09-30−¥110.2bn
JERAreportable segmentsegment ordinary income2025-04-01 → 2025-09-30¥78.6bn
Miraizreportable segmentrevenue2025-04-01 → 2025-09-30¥1.46T
Miraizreportable segmentrevenue external2025-04-01 → 2025-09-30¥1.43T
Miraizreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥25.3bn
Miraizreportable segmentsegment ordinary income2025-04-01 → 2025-09-30¥95.7bn
Power Gridreportable segmentrevenue2025-04-01 → 2025-09-30¥460.9bn
Power Gridreportable segmentrevenue external2025-04-01 → 2025-09-30¥200.2bn
Power Gridreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥260.6bn
Power Gridreportable segmentsegment ordinary income2025-04-01 → 2025-09-30¥26.9bn
—segment totalrevenue2025-04-01 → 2025-09-30¥1.92T
—segment totalrevenue external2025-04-01 → 2025-09-30¥1.63T
—segment totalrevenue intersegment2025-04-01 → 2025-09-30¥285.9bn
—segment totalsegment ordinary income2025-04-01 → 2025-09-30¥201.2bn
Total Of Reportable Segments And Otherssegment totalrevenue2025-04-01 → 2025-09-30¥2.23T
Total Of Reportable Segments And Otherssegment totalrevenue external2025-04-01 → 2025-09-30¥1.75T
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2025-04-01 → 2025-09-30¥485.1bn
Total Of Reportable Segments And Otherssegment totalsegment ordinary income2025-04-01 → 2025-09-30¥306.5bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2024-04-01 → 2024-09-30¥361.7bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2024-04-01 → 2024-09-30¥156.9bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2024-04-01 → 2024-09-30¥204.8bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment ordinary income2024-04-01 → 2024-09-30¥44.0bn
Reconciling Itemsreconcilingrevenue2024-04-01 → 2024-09-30−¥494.2bn
Reconciling Itemsreconcilingrevenue intersegment2024-04-01 → 2024-09-30−¥494.2bn
Reconciling Itemsreconcilingsegment ordinary income2024-04-01 → 2024-09-30−¥33.8bn
JERAreportable segmentsegment ordinary income2024-04-01 → 2024-09-30¥59.2bn
Miraizreportable segmentrevenue2024-04-01 → 2024-09-30¥1.44T
Miraizreportable segmentrevenue external2024-04-01 → 2024-09-30¥1.41T
Miraizreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥24.5bn
Miraizreportable segmentsegment ordinary income2024-04-01 → 2024-09-30¥97.6bn
Power Gridreportable segmentrevenue2024-04-01 → 2024-09-30¥459.7bn
Power Gridreportable segmentrevenue external2024-04-01 → 2024-09-30¥194.8bn
Power Gridreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥264.9bn
Power Gridreportable segmentsegment ordinary income2024-04-01 → 2024-09-30¥21.0bn
—segment totalrevenue2024-04-01 → 2024-09-30¥1.90T
—segment totalrevenue external2024-04-01 → 2024-09-30¥1.61T
—segment totalrevenue intersegment2024-04-01 → 2024-09-30¥289.4bn
—segment totalsegment ordinary income2024-04-01 → 2024-09-30¥177.8bn
Total Of Reportable Segments And Otherssegment totalrevenue2024-04-01 → 2024-09-30¥2.26T
Total Of Reportable Segments And Otherssegment totalrevenue external2024-04-01 → 2024-09-30¥1.77T
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2024-04-01 → 2024-09-30¥494.2bn
Total Of Reportable Segments And Otherssegment totalsegment ordinary income2024-04-01 → 2024-09-30¥221.7bn

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

All source rows · 595
ItemContextValueUnit
Salaries and allowances electric utility operating expensesInterimDuration62853000000JPY
Salaries and allowances electric utility oparating expenses sgaInterimDuration29922000000JPY
Retirement benefit expenses electric utility operating expensesInterimDuration12230000000JPY
Retirement benefit expenses electric utility oparating expenses sgaInterimDuration12230000000JPY
Consignmemt expenses electric utility operating expensesInterimDuration55702000000JPY
Consignmemt expenses electric utility oparating expenses sgaInterimDuration33529000000JPY
Depreciation electric utility operating expensesInterimDuration74308000000JPY
Depreciation electric utility oparating expenses sgaInterimDuration15006000000JPY
Power purchase expenses paid to other suppliers electric utility operating expensesInterimDuration1094972000000JPY
Power purchase expenses paid to other suppliers electric utility operating expenses sgaInterimDuration-JPY
Expenses for third party s power transmission service oe electricInterimDuration248473000000JPY
Expenses for third party s power transmission service oe electric elesgaInterimDuration-JPY
Other electric utility operating expensesInterimDuration251515000000JPY
Other electric utility oparating expenses sgaInterimDuration51484000000JPY
Subtotal electric utility operating expensesInterimDuration1800055000000JPY
Selling general and administrative expenses electric utility operating expensesInterimDuration142173000000JPY
Internal transaction cancellation electric utility operating expensesInterimDuration-415884000000JPY
Electric utility operating expensesInterimDuration1384171000000JPY
Revenues from external customersPrior1InterimDuration_jpcrp040300-ssr_E04502-000MiraizReportableSegmentMember1414851000000JPY
Revenues from external customersPrior1InterimDuration_jpcrp040300-ssr_E04502-000PowerGridReportableSegmentMember194771000000JPY
Revenues from external customersPrior1InterimDuration_jpcrp040300-ssr_E04502-000JERAReportableSegmentMember-JPY
Revenues from external customersPrior1InterimDuration_ReportableSegmentsMember1609623000000JPY
Revenues from external customersPrior1InterimDuration_OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember156859000000JPY
Revenues from external customersPrior1InterimDuration_TotalOfReportableSegmentsAndOthersMember1766482000000JPY
Revenues from external customersPrior1InterimDuration_ReconcilingItemsMember-JPY
Revenues from external customersPrior1InterimDuration1766482000000JPY
Transactions with other segmentsPrior1InterimDuration_jpcrp040300-ssr_E04502-000MiraizReportableSegmentMember24505000000JPY
Transactions with other segmentsPrior1InterimDuration_jpcrp040300-ssr_E04502-000PowerGridReportableSegmentMember264897000000JPY
Transactions with other segmentsPrior1InterimDuration_jpcrp040300-ssr_E04502-000JERAReportableSegmentMember-JPY
Transactions with other segmentsPrior1InterimDuration_ReportableSegmentsMember289403000000JPY
Transactions with other segmentsPrior1InterimDuration_OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember204802000000JPY
Transactions with other segmentsPrior1InterimDuration_TotalOfReportableSegmentsAndOthersMember494205000000JPY
Transactions with other segmentsPrior1InterimDuration_ReconcilingItemsMember-494205000000JPY
Transactions with other segmentsPrior1InterimDuration-JPY
Operating revenue1Prior1InterimDuration_jpcrp040300-ssr_E04502-000MiraizReportableSegmentMember1439357000000JPY
Operating revenue1Prior1InterimDuration_jpcrp040300-ssr_E04502-000PowerGridReportableSegmentMember459669000000JPY
Operating revenue1Prior1InterimDuration_jpcrp040300-ssr_E04502-000JERAReportableSegmentMember-JPY
Operating revenue1Prior1InterimDuration_ReportableSegmentsMember1899026000000JPY
Operating revenue1Prior1InterimDuration_OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember361661000000JPY
Operating revenue1Prior1InterimDuration_TotalOfReportableSegmentsAndOthersMember2260688000000JPY
Operating revenue1Prior1InterimDuration_ReconcilingItemsMember-494205000000JPY
Operating revenue1Prior1InterimDuration1766482000000JPY
Ordinary incomePrior1InterimDuration_jpcrp040300-ssr_E04502-000MiraizReportableSegmentMember97590000000JPY
Ordinary incomePrior1InterimDuration_jpcrp040300-ssr_E04502-000PowerGridReportableSegmentMember20977000000JPY
Ordinary incomePrior1InterimDuration_jpcrp040300-ssr_E04502-000JERAReportableSegmentMember59190000000JPY
Ordinary incomePrior1InterimDuration_ReportableSegmentsMember177758000000JPY
Ordinary incomePrior1InterimDuration_OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember43962000000JPY
Ordinary incomePrior1InterimDuration_TotalOfReportableSegmentsAndOthersMember221721000000JPY
Ordinary incomePrior1InterimDuration_ReconcilingItemsMember-33792000000JPY
Ordinary incomePrior1InterimDuration187928000000JPY

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
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