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
General facilities nca electric elePrior1YearInstant153721000000JPY
General facilities nca electric eleInterimInstant150514000000JPY
Other electric utility plant and equipment nca electric elePrior1YearInstant5782000000JPY
Other electric utility plant and equipment nca electric eleInterimInstant5782000000JPY
Other noncurrent assets elePrior1YearInstant400324000000JPY
Other noncurrent assets eleInterimInstant386620000000JPY
Construction in progress elePrior1YearInstant486121000000JPY
Construction in progress eleInterimInstant516586000000JPY
Construction and retirement in progress nca in process elePrior1YearInstant301901000000JPY
Construction and retirement in progress nca in process eleInterimInstant327942000000JPY
Nuclear power abolition in progress elePrior1YearInstant27827000000JPY
Nuclear power abolition in progress eleInterimInstant25351000000JPY
Special account related to reprocessing of spent nuclear fuel elePrior1YearInstant156392000000JPY
Special account related to reprocessing of spent nuclear fuel eleInterimInstant163292000000JPY
Nuclear fuel ncaelePrior1YearInstant245793000000JPY
Nuclear fuel ncaeleInterimInstant250172000000JPY
Loaded nuclear fuel ncaelePrior1YearInstant43753000000JPY
Loaded nuclear fuel ncaeleInterimInstant50055000000JPY
Nuclear fuel in processing ncaelePrior1YearInstant202039000000JPY
Nuclear fuel in processing ncaeleInterimInstant200116000000JPY
Investments and other assetsPrior1YearInstant677082000000JPY
Investments and other assetsInterimInstant674480000000JPY
Long term investments elePrior1YearInstant273764000000JPY
Long term investments eleInterimInstant274360000000JPY
Net defined benefit assetPrior1YearInstant16753000000JPY
Net defined benefit assetInterimInstant18027000000JPY
Deferred tax assetsPrior1YearInstant128179000000JPY
Deferred tax assetsInterimInstant129318000000JPY
Other ioaPrior1YearInstant263947000000JPY
Other ioaInterimInstant258277000000JPY
Allowance for doubtful accounts ioa by groupPrior1YearInstant-5562000000JPY
Allowance for doubtful accounts ioa by groupInterimInstant-5503000000JPY
Current assetsPrior1YearInstant905553000000JPY
Current assetsInterimInstant996032000000JPY
Cash and depositsPrior1YearInstant362577000000JPY
Cash and depositsInterimInstant375966000000JPY
Notes and accounts receivable trade and contract assetsPrior1YearInstant260886000000JPY
Notes and accounts receivable trade and contract assetsInterimInstant262140000000JPY
InventoriesPrior1YearInstant89698000000JPY
InventoriesInterimInstant115223000000JPY
Other caPrior1YearInstant194663000000JPY
Other caInterimInstant245014000000JPY
Allowance for doubtful accounts caPrior1YearInstant-2273000000JPY
Allowance for doubtful accounts caInterimInstant-2311000000JPY
AssetsPrior1YearInstant5774025000000JPY
AssetsInterimInstant5873775000000JPY
Noncurrent liabilitiesPrior1YearInstant3666493000000JPY
Noncurrent liabilitiesInterimInstant3590968000000JPY
Bonds payablePrior1YearInstant1493375000000JPY
Bonds payableInterimInstant1472725000000JPY

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