Half-year report · HY

Period2025-04-01 → 2025-09-30
Filed2025-11-10
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 44
MetricValuePeriodScopeSource row
Revenue¥1.17T2025-04-01 → 2025-09-30Cons.Net sales
Revenue¥2.64T2024-04-01 → 2025-03-31Cons.Net sales (5-year summary)
Revenue¥1.31T2024-04-01 → 2024-09-30Cons.Net sales
Operating income¥141.1bn2025-04-01 → 2025-09-30Cons.Operating income
Operating income¥168.8bn2024-04-01 → 2024-09-30Cons.Operating income
Ordinary income¥125.7bn2025-04-01 → 2025-09-30Cons.Ordinary income
Ordinary income¥256.7bn2024-04-01 → 2025-03-31Cons.Ordinary income loss (5-year summary)
Ordinary income¥153.4bn2024-04-01 → 2024-09-30Cons.Ordinary income
Profit before tax¥125.7bn2025-04-01 → 2025-09-30Cons.Income before income taxes
Profit before tax¥153.4bn2024-04-01 → 2024-09-30Cons.Income before income taxes
Net income (owners)¥87.7bn2025-04-01 → 2025-09-30Cons.Profit loss attributable to owners of parent
Net income (owners)¥182.8bn2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥106.0bn2024-04-01 → 2024-09-30Cons.Profit loss attributable to owners of parent
Net income¥88.2bn2025-04-01 → 2025-09-30Cons.Profit loss
Net income¥107.6bn2024-04-01 → 2024-09-30Cons.Profit loss
Total assets¥5.44Tat 2025-09-30Cons.Assets
Total assets¥5.40Tat 2025-03-31Cons.Assets
Total assets¥5.31Tat 2024-09-30Cons.Total assets (5-year summary)
Total liabilities¥4.35Tat 2025-09-30Cons.Liabilities
Total liabilities¥4.39Tat 2025-03-31Cons.Liabilities
Net assets / equity¥1.09Tat 2025-09-30Cons.Net assets
Net assets / equity¥1.01Tat 2025-03-31Cons.Net assets
Net assets / equity¥1.01Tat 2024-09-30Cons.Net assets (5-year summary)
Cash and deposits¥455.3bnat 2025-09-30Cons.Cash and deposits
Cash and deposits¥474.5bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥465.2bnat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥551.1bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥443.6bnat 2024-09-30Cons.Cash and cash equivalents
Cash & equivalents¥529.4bnat 2024-03-31vCons.Cash and cash equivalents
Operating cash flow¥165.8bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in operating activities
Operating cash flow¥410.3bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥133.3bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in operating activities
Investing cash flow−¥284.4bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in investment activities
Investing cash flow−¥422.6bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥189.3bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in investment activities
Financing cash flow¥31.9bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in financing activities
Financing cash flow¥34.1bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥29.5bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in financing activities
EPS (basic)¥175.222025-04-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥365.52024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥2122024-04-01 → 2024-09-30Cons.Basic earnings loss per share (5-year summary)
Equity ratio19.6%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Equity ratio18.3%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio17.4%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 · 46
SegmentItemPeriodValue
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2025-04-01 → 2025-09-30¥74.1bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2025-04-01 → 2025-09-30¥25.7bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2025-04-01 → 2025-09-30¥48.5bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment ordinary income2025-04-01 → 2025-09-30¥6.1bn
Reconciling Itemsreconcilingrevenue2025-04-01 → 2025-09-30−¥321.1bn
Reconciling Itemsreconcilingrevenue intersegment2025-04-01 → 2025-09-30−¥321.1bn
Reconciling Itemsreconcilingsegment ordinary income2025-04-01 → 2025-09-30−¥11.5bn
Power Generation Salesreportable segmentrevenue2025-04-01 → 2025-09-30¥982.3bn
Power Generation Salesreportable segmentrevenue external2025-04-01 → 2025-09-30¥915.3bn
Power Generation Salesreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥67.0bn
Power Generation Salesreportable segmentsegment ordinary income2025-04-01 → 2025-09-30¥137.0bn
Power Transmission Distributionreportable segmentrevenue2025-04-01 → 2025-09-30¥433.6bn
Power Transmission Distributionreportable segmentrevenue external2025-04-01 → 2025-09-30¥228.0bn
Power Transmission Distributionreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥205.6bn
Power Transmission Distributionreportable segmentsegment ordinary income2025-04-01 → 2025-09-30−¥5.9bn
—segment totalrevenue2025-04-01 → 2025-09-30¥1.42T
—segment totalrevenue external2025-04-01 → 2025-09-30¥1.14T
—segment totalrevenue intersegment2025-04-01 → 2025-09-30¥272.6bn
—segment totalsegment ordinary income2025-04-01 → 2025-09-30¥131.1bn
Total Of Reportable Segments And Otherssegment totalrevenue2025-04-01 → 2025-09-30¥1.49T
Total Of Reportable Segments And Otherssegment totalrevenue external2025-04-01 → 2025-09-30¥1.17T
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2025-04-01 → 2025-09-30¥321.1bn
Total Of Reportable Segments And Otherssegment totalsegment ordinary income2025-04-01 → 2025-09-30¥137.2bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2024-04-01 → 2024-09-30¥176.2bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2024-04-01 → 2024-09-30¥83.0bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2024-04-01 → 2024-09-30¥93.2bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment ordinary income2024-04-01 → 2024-09-30¥7.6bn
Reconciling Itemsreconcilingrevenue2024-04-01 → 2024-09-30−¥359.2bn
Reconciling Itemsreconcilingrevenue intersegment2024-04-01 → 2024-09-30−¥359.2bn
Reconciling Itemsreconcilingsegment ordinary income2024-04-01 → 2024-09-30−¥23.6bn
Power Generation Salesreportable segmentrevenue2024-04-01 → 2024-09-30¥1.06T
Power Generation Salesreportable segmentrevenue external2024-04-01 → 2024-09-30¥1.01T
Power Generation Salesreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥50.3bn
Power Generation Salesreportable segmentsegment ordinary income2024-04-01 → 2024-09-30¥150.5bn
Power Transmission Distributionreportable segmentrevenue2024-04-01 → 2024-09-30¥433.4bn
Power Transmission Distributionreportable segmentrevenue external2024-04-01 → 2024-09-30¥217.7bn
Power Transmission Distributionreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥215.7bn
Power Transmission Distributionreportable segmentsegment ordinary income2024-04-01 → 2024-09-30¥18.8bn
—segment totalrevenue2024-04-01 → 2024-09-30¥1.49T
—segment totalrevenue external2024-04-01 → 2024-09-30¥1.23T
—segment totalrevenue intersegment2024-04-01 → 2024-09-30¥266.0bn
—segment totalsegment ordinary income2024-04-01 → 2024-09-30¥169.3bn
Total Of Reportable Segments And Otherssegment totalrevenue2024-04-01 → 2024-09-30¥1.67T
Total Of Reportable Segments And Otherssegment totalrevenue external2024-04-01 → 2024-09-30¥1.31T
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2024-04-01 → 2024-09-30¥359.2bn
Total Of Reportable Segments And Otherssegment totalsegment ordinary income2024-04-01 → 2024-09-30¥177.0bn

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

All source rows · 535
ItemContextValueUnit
Shareholding ratioInterimInstant_No1MajorShareholdersMember0.1473
Number of shares heldInterimInstant_No2MajorShareholdersMember38900000
Shareholding ratioInterimInstant_No2MajorShareholdersMember0.0776
Number of shares heldInterimInstant_No3MajorShareholdersMember17337000
Shareholding ratioInterimInstant_No3MajorShareholdersMember0.0346
Number of shares heldInterimInstant_No4MajorShareholdersMember9609000
Shareholding ratioInterimInstant_No4MajorShareholdersMember0.0192
Number of shares heldInterimInstant_No5MajorShareholdersMember7831000
Shareholding ratioInterimInstant_No5MajorShareholdersMember0.0156
Number of shares heldInterimInstant_No6MajorShareholdersMember7354000
Shareholding ratioInterimInstant_No6MajorShareholdersMember0.0147
Number of shares heldInterimInstant_No7MajorShareholdersMember6838000
Shareholding ratioInterimInstant_No7MajorShareholdersMember0.0136
Number of shares heldInterimInstant_No8MajorShareholdersMember6468000
Shareholding ratioInterimInstant_No8MajorShareholdersMember0.0129
Number of shares heldInterimInstant_No9MajorShareholdersMember5937000
Shareholding ratioInterimInstant_No9MajorShareholdersMember0.0118
Number of shares heldInterimInstant_No10MajorShareholdersMember5881000
Shareholding ratioInterimInstant_No10MajorShareholdersMember0.0117
Number of shares heldInterimInstant179957000
Shareholding ratioInterimInstant0.3590
Number of shares issued shares voting rightsInterimInstant_SharesWithNoVotingRightsMember-
Number of shares issued shares voting rightsInterimInstant_SharesWithRestrictedVotingRightsTreasurySharesEtcMember-
Number of shares issued shares voting rightsInterimInstant_SharesWithRestrictedVotingRightsOtherMember-
Number of voting rights issued shares voting rightsInterimInstant_SharesWithRestrictedVotingRightsOtherMember-
Number of shares issued shares voting rightsInterimInstant_OrdinarySharesTreasurySharesSharesWithFullVotingRightsTreasurySharesEtcMember1799200
Number of shares issued shares voting rightsInterimInstant_OrdinarySharesSharesWithFullVotingRightsOtherMember498451100
Number of voting rights issued shares voting rightsInterimInstant_OrdinarySharesSharesWithFullVotingRightsOtherMember4984511
Number of shares issued shares voting rightsInterimInstant_OrdinarySharesSharesLessThanOneUnitMember2632285
Number of shares issued shares voting rightsInterimInstant502882585
Number of voting rights issued shares voting rightsInterimInstant4984511
Number of shares held in own name treasury shares etcInterimInstant_Row1Member1799200
Number of shares held in others names treasury shares etcInterimInstant_Row1Member-
Total number of shares held treasury shares etcInterimInstant_Row1Member1799200
Shareholding ratio treasury shares etcInterimInstant_Row1Member0.0036
Number of shares held in own name treasury shares etcInterimInstant1799200
Number of shares held in others names treasury shares etcInterimInstant-
Total number of shares held treasury shares etcInterimInstant1799200
Shareholding ratio treasury shares etcInterimInstant0.0036
Noncurrent assetsPrior1YearInstant4256261000000JPY
Noncurrent assetsInterimInstant4323621000000JPY
Electric utility plant and equipment assets elePrior1YearInstant3068873000000JPY
Electric utility plant and equipment assets eleInterimInstant3025208000000JPY
Hydroelectric power production facilities nca electric elePrior1YearInstant212611000000JPY
Hydroelectric power production facilities nca electric eleInterimInstant209237000000JPY
Thermal power production facilities nca electric elePrior1YearInstant378065000000JPY
Thermal power production facilities nca electric eleInterimInstant359943000000JPY
Nuclear power production facilities nca electric elePrior1YearInstant664666000000JPY
Nuclear power production facilities nca electric eleInterimInstant643687000000JPY
Transmission facilities nca electric elePrior1YearInstant568731000000JPY

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
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