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
Total number of shares held treasury shares etcInterimInstant_Row5Member12000
Shareholding ratio treasury shares etcInterimInstant_Row5Member0.0001
Number of shares held in own name treasury shares etcInterimInstant2855200
Number of shares held in others names treasury shares etcInterimInstant-
Total number of shares held treasury shares etcInterimInstant2855200
Shareholding ratio treasury shares etcInterimInstant0.0138
Noncurrent assetsPrior1YearInstant1341083000000JPY
Noncurrent assetsInterimInstant1377877000000JPY
Plant and equipment and intangible assets elePrior1YearInstant978220000000JPY
Plant and equipment and intangible assets eleInterimInstant1004034000000JPY
Hydroelectric power production facilities nca electric elePrior1YearInstant63270000000JPY
Hydroelectric power production facilities nca electric eleInterimInstant62490000000JPY
Thermal power production facilities nca electric elePrior1YearInstant136842000000JPY
Thermal power production facilities nca electric eleInterimInstant128854000000JPY
Nuclear power production facilities nca electric elePrior1YearInstant149068000000JPY
Nuclear power production facilities nca electric eleInterimInstant153832000000JPY
Transmission facilities nca electric elePrior1YearInstant113897000000JPY
Transmission facilities nca electric eleInterimInstant114017000000JPY
Transformation facilities nca electric elePrior1YearInstant85436000000JPY
Transformation facilities nca electric eleInterimInstant89552000000JPY
Distribution facilities nca electric elePrior1YearInstant209985000000JPY
Distribution facilities nca electric eleInterimInstant212093000000JPY
Other noncurrent assets elePrior1YearInstant108079000000JPY
Other noncurrent assets eleInterimInstant107513000000JPY
Construction and retirement in progress nca in process elePrior1YearInstant32557000000JPY
Construction and retirement in progress nca in process eleInterimInstant58056000000JPY
Nuclear power abolition in progress elePrior1YearInstant30139000000JPY
Nuclear power abolition in progress eleInterimInstant27533000000JPY
Special account related to reprocessing of spent nuclear fuel elePrior1YearInstant48942000000JPY
Special account related to reprocessing of spent nuclear fuel eleInterimInstant50089000000JPY
Nuclear fuel ncaelePrior1YearInstant94013000000JPY
Nuclear fuel ncaeleInterimInstant92755000000JPY
Loaded nuclear fuel ncaelePrior1YearInstant9764000000JPY
Loaded nuclear fuel ncaeleInterimInstant7280000000JPY
Nuclear fuel in processing ncaelePrior1YearInstant84249000000JPY
Nuclear fuel in processing ncaeleInterimInstant85474000000JPY
Investments and other assetsPrior1YearInstant268849000000JPY
Investments and other assetsInterimInstant281088000000JPY
Long term investments elePrior1YearInstant52180000000JPY
Long term investments eleInterimInstant55286000000JPY
Long term investment for subsidiaries and affiliates elePrior1YearInstant143015000000JPY
Long term investment for subsidiaries and affiliates eleInterimInstant148507000000JPY
Deferred tax assetsPrior1YearInstant31321000000JPY
Deferred tax assetsInterimInstant33263000000JPY
Net defined benefit assetPrior1YearInstant34766000000JPY
Net defined benefit assetInterimInstant35224000000JPY
Other ioaPrior1YearInstant7763000000JPY
Other ioaInterimInstant9002000000JPY
Allowance for doubtful accounts ioa by groupPrior1YearInstant-198000000JPY
Allowance for doubtful accounts ioa by groupInterimInstant-196000000JPY

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