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
Number of shares issued shares voting rightsInterimInstant_OrdinarySharesReciprocalHoldingSharesWithFullVotingRightsTreasurySharesEtcMember277800
Number of shares issued shares voting rightsInterimInstant_OrdinarySharesSharesWithFullVotingRightsOtherMember472017300
Number of voting rights issued shares voting rightsInterimInstant_OrdinarySharesSharesWithFullVotingRightsOtherMember4720173
Number of shares issued shares voting rightsInterimInstant_OrdinarySharesSharesLessThanOneUnitMember1588951
Number of shares issued shares voting rightsInterimInstant474185951
Number of voting rights issued shares voting rightsInterimInstant4720173
Number of shares held in own name treasury shares etcInterimInstant_Row1Member299900
Number of shares held in others names treasury shares etcInterimInstant_Row1Member-
Total number of shares held treasury shares etcInterimInstant_Row1Member299900
Shareholding ratio treasury shares etcInterimInstant_Row1Member0.0006
Number of shares held in own name treasury shares etcInterimInstant_Row2Member96800
Number of shares held in others names treasury shares etcInterimInstant_Row2Member-
Total number of shares held treasury shares etcInterimInstant_Row2Member96800
Shareholding ratio treasury shares etcInterimInstant_Row2Member0.0002
Number of shares held in own name treasury shares etcInterimInstant_Row3Member77000
Number of shares held in others names treasury shares etcInterimInstant_Row3Member-
Total number of shares held treasury shares etcInterimInstant_Row3Member77000
Shareholding ratio treasury shares etcInterimInstant_Row3Member0.0002
Number of shares held in own name treasury shares etcInterimInstant_Row4Member54000
Number of shares held in others names treasury shares etcInterimInstant_Row4Member-
Total number of shares held treasury shares etcInterimInstant_Row4Member54000
Shareholding ratio treasury shares etcInterimInstant_Row4Member0.0001
Number of shares held in own name treasury shares etcInterimInstant_Row5Member50000
Number of shares held in others names treasury shares etcInterimInstant_Row5Member-
Total number of shares held treasury shares etcInterimInstant_Row5Member50000
Shareholding ratio treasury shares etcInterimInstant_Row5Member0.0001
Number of shares held in own name treasury shares etcInterimInstant577700
Number of shares held in others names treasury shares etcInterimInstant-
Total number of shares held treasury shares etcInterimInstant577700
Shareholding ratio treasury shares etcInterimInstant0.0012
Noncurrent assetsPrior1YearInstant4868471000000JPY
Noncurrent assetsInterimInstant4877743000000JPY
Electric utility plant and equipment assets elePrior1YearInstant3059149000000JPY
Electric utility plant and equipment assets eleInterimInstant3049884000000JPY
Hydroelectric power production facilities nca electric elePrior1YearInstant267832000000JPY
Hydroelectric power production facilities nca electric eleInterimInstant268566000000JPY
Thermal power production facilities nca electric elePrior1YearInstant188729000000JPY
Thermal power production facilities nca electric eleInterimInstant181753000000JPY
Nuclear power production facilities nca electric elePrior1YearInstant766728000000JPY
Nuclear power production facilities nca electric eleInterimInstant756649000000JPY
Internal combustion engine power production facilities nca electric elePrior1YearInstant29425000000JPY
Internal combustion engine power production facilities nca electric eleInterimInstant28962000000JPY
Renewable power production and related facilities nca electric elePrior1YearInstant38506000000JPY
Renewable power production and related facilities nca electric eleInterimInstant39314000000JPY
Transmission facilities nca electric elePrior1YearInstant679962000000JPY
Transmission facilities nca electric eleInterimInstant684529000000JPY
Transformation facilities nca electric elePrior1YearInstant250820000000JPY
Transformation facilities nca electric eleInterimInstant253340000000JPY
Distribution facilities nca electric elePrior1YearInstant677639000000JPY
Distribution facilities nca electric eleInterimInstant680470000000JPY

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