Half-year report · HY

Period2025-04-01 → 2025-09-30
Filed2025-11-06
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 44
MetricValuePeriodScopeSource row
Revenue¥403.2bn2025-04-01 → 2025-09-30Cons.Net sales
Revenue¥858.3bn2024-04-01 → 2025-03-31Cons.Net sales (5-year summary)
Revenue¥420.3bn2024-04-01 → 2024-09-30Cons.Net sales
Operating income¥66.5bn2025-04-01 → 2025-09-30Cons.Operating income
Operating income¥62.3bn2024-04-01 → 2024-09-30Cons.Operating income
Ordinary income¥65.7bn2025-04-01 → 2025-09-30Cons.Ordinary income
Ordinary income¥91.4bn2024-04-01 → 2025-03-31Cons.Ordinary income loss (5-year summary)
Ordinary income¥60.2bn2024-04-01 → 2024-09-30Cons.Ordinary income
Profit before tax¥67.3bn2025-04-01 → 2025-09-30Cons.Income before income taxes
Profit before tax¥62.4bn2024-04-01 → 2024-09-30Cons.Income before income taxes
Net income (owners)¥48.1bn2025-04-01 → 2025-09-30Cons.Profit loss attributable to owners of parent
Net income (owners)¥65.1bn2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥44.2bn2024-04-01 → 2024-09-30Cons.Profit loss attributable to owners of parent
Net income¥48.4bn2025-04-01 → 2025-09-30Cons.Profit loss
Net income¥44.7bn2024-04-01 → 2024-09-30Cons.Profit loss
Total assets¥1.85Tat 2025-09-30Cons.Assets
Total assets¥1.86Tat 2025-03-31Cons.Assets
Total assets¥1.80Tat 2024-09-30Cons.Total assets (5-year summary)
Total liabilities¥1.42Tat 2025-09-30Cons.Liabilities
Total liabilities¥1.46Tat 2025-03-31Cons.Liabilities
Net assets / equity¥431.5bnat 2025-09-30Cons.Net assets
Net assets / equity¥400.8bnat 2025-03-31Cons.Net assets
Net assets / equity¥366.7bnat 2024-09-30Cons.Net assets (5-year summary)
Cash and deposits¥215.3bnat 2025-09-30Cons.Cash and deposits
Cash and deposits¥239.4bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥85.8bnat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥94.4bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥83.5bnat 2024-09-30Cons.Cash and cash equivalents
Cash & equivalents¥225.0bnat 2024-03-31vCons.Cash and cash equivalents
Operating cash flow¥47.0bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in operating activities
Operating cash flow¥152.3bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥55.8bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in operating activities
Investing cash flow−¥44.4bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in investment activities
Investing cash flow−¥234.1bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥148.6bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in investment activities
Financing cash flow¥3.6bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in financing activities
Financing cash flow−¥48.9bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥48.7bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in financing activities
EPS (basic)¥230.472025-04-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥311.982024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥211.732024-04-01 → 2024-09-30Cons.Basic earnings loss per share (5-year summary)
Equity ratio23.2%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Equity ratio20.5%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio19.3%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 · 38
SegmentItemPeriodValue
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2025-04-01 → 2025-09-30¥70.2bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2025-04-01 → 2025-09-30¥41.4bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2025-04-01 → 2025-09-30¥28.7bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment ordinary income2025-04-01 → 2025-09-30¥3.3bn
Reconciling Itemsreconcilingrevenue2025-04-01 → 2025-09-30−¥144.9bn
Reconciling Itemsreconcilingrevenue intersegment2025-04-01 → 2025-09-30−¥144.9bn
Reconciling Itemsreconcilingsegment ordinary income2025-04-01 → 2025-09-30−¥5.0bn
Power Generation Salesreportable segmentrevenue2025-04-01 → 2025-09-30¥366.6bn
Power Generation Salesreportable segmentrevenue external2025-04-01 → 2025-09-30¥331.1bn
Power Generation Salesreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥35.5bn
Power Generation Salesreportable segmentsegment ordinary income2025-04-01 → 2025-09-30¥56.3bn
Transmission And Distributionreportable segmentrevenue2025-04-01 → 2025-09-30¥111.3bn
Transmission And Distributionreportable segmentrevenue external2025-04-01 → 2025-09-30¥30.7bn
Transmission And Distributionreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥80.6bn
Transmission And Distributionreportable segmentsegment ordinary income2025-04-01 → 2025-09-30¥11.1bn
Total Of Reportable Segments And Otherssegment totalrevenue2025-04-01 → 2025-09-30¥548.1bn
Total Of Reportable Segments And Otherssegment totalrevenue external2025-04-01 → 2025-09-30¥403.2bn
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2025-04-01 → 2025-09-30¥144.9bn
Total Of Reportable Segments And Otherssegment totalsegment ordinary income2025-04-01 → 2025-09-30¥70.7bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2024-04-01 → 2024-09-30¥72.6bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2024-04-01 → 2024-09-30¥42.7bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2024-04-01 → 2024-09-30¥29.8bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment ordinary income2024-04-01 → 2024-09-30¥4.6bn
Reconciling Itemsreconcilingrevenue2024-04-01 → 2024-09-30−¥136.5bn
Reconciling Itemsreconcilingrevenue intersegment2024-04-01 → 2024-09-30−¥136.5bn
Reconciling Itemsreconcilingsegment ordinary income2024-04-01 → 2024-09-30−¥3.9bn
Power Generation Salesreportable segmentrevenue2024-04-01 → 2024-09-30¥376.6bn
Power Generation Salesreportable segmentrevenue external2024-04-01 → 2024-09-30¥352.1bn
Power Generation Salesreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥24.5bn
Power Generation Salesreportable segmentsegment ordinary income2024-04-01 → 2024-09-30¥48.9bn
Transmission And Distributionreportable segmentrevenue2024-04-01 → 2024-09-30¥107.6bn
Transmission And Distributionreportable segmentrevenue external2024-04-01 → 2024-09-30¥25.5bn
Transmission And Distributionreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥82.1bn
Transmission And Distributionreportable segmentsegment ordinary income2024-04-01 → 2024-09-30¥10.7bn
Total Of Reportable Segments And Otherssegment totalrevenue2024-04-01 → 2024-09-30¥556.8bn
Total Of Reportable Segments And Otherssegment totalrevenue external2024-04-01 → 2024-09-30¥420.3bn
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2024-04-01 → 2024-09-30¥136.5bn
Total Of Reportable Segments And Otherssegment totalsegment ordinary income2024-04-01 → 2024-09-30¥64.1bn

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

All source rows · 562
ItemContextValueUnit
Electric utility plant and equipment assets elePrior1YearInstant847740000000JPY
Electric utility plant and equipment assets eleInterimInstant878616000000JPY
Hydroelectric power production facilities nca electric elePrior1YearInstant96236000000JPY
Hydroelectric power production facilities nca electric eleInterimInstant106164000000JPY
Thermal power production facilities nca electric elePrior1YearInstant207945000000JPY
Thermal power production facilities nca electric eleInterimInstant228918000000JPY
Nuclear power production facilities nca electric elePrior1YearInstant81420000000JPY
Nuclear power production facilities nca electric eleInterimInstant77468000000JPY
Transmission facilities nca electric elePrior1YearInstant164813000000JPY
Transmission facilities nca electric eleInterimInstant166804000000JPY
Transformation facilities nca electric elePrior1YearInstant94444000000JPY
Transformation facilities nca electric eleInterimInstant93681000000JPY
Distribution facilities nca electric elePrior1YearInstant162073000000JPY
Distribution facilities nca electric eleInterimInstant166929000000JPY
General facilities nca electric elePrior1YearInstant35494000000JPY
General facilities nca electric eleInterimInstant33496000000JPY
Other electric utility plant and equipment nca electric elePrior1YearInstant5311000000JPY
Other electric utility plant and equipment nca electric eleInterimInstant5152000000JPY
Other noncurrent assets elePrior1YearInstant62445000000JPY
Other noncurrent assets eleInterimInstant47139000000JPY
Construction in progress elePrior1YearInstant204716000000JPY
Construction in progress eleInterimInstant188567000000JPY
Construction and retirement in progress nca in process elePrior1YearInstant190928000000JPY
Construction and retirement in progress nca in process eleInterimInstant174779000000JPY
Special account related to reprocessing of spent nuclear fuel elePrior1YearInstant13787000000JPY
Special account related to reprocessing of spent nuclear fuel eleInterimInstant13787000000JPY
Nuclear fuel ncaelePrior1YearInstant75698000000JPY
Nuclear fuel ncaeleInterimInstant76497000000JPY
Loaded nuclear fuel ncaelePrior1YearInstant26219000000JPY
Loaded nuclear fuel ncaeleInterimInstant26219000000JPY
Nuclear fuel in processing ncaelePrior1YearInstant49479000000JPY
Nuclear fuel in processing ncaeleInterimInstant50278000000JPY
Investments and other assetsPrior1YearInstant237558000000JPY
Investments and other assetsInterimInstant263768000000JPY
Long term investments elePrior1YearInstant126583000000JPY
Long term investments eleInterimInstant137291000000JPY
Net defined benefit assetPrior1YearInstant39597000000JPY
Net defined benefit assetInterimInstant39258000000JPY
Deferred tax assetsPrior1YearInstant30920000000JPY
Deferred tax assetsInterimInstant24008000000JPY
Other ioaPrior1YearInstant40595000000JPY
Other ioaInterimInstant63351000000JPY
Allowance for doubtful accounts ioa by groupPrior1YearInstant-138000000JPY
Allowance for doubtful accounts ioa by groupInterimInstant-141000000JPY
Current assetsPrior1YearInstant431670000000JPY
Current assetsInterimInstant398846000000JPY
Cash and depositsPrior1YearInstant239372000000JPY
Cash and depositsInterimInstant215315000000JPY
Notes and accounts receivable trade and contract assetsPrior1YearInstant97924000000JPY
Notes and accounts receivable trade and contract assetsInterimInstant76726000000JPY

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