Half-year report · HY

Period2025-04-01 → 2025-09-30
Filed2025-11-12
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 46
MetricValuePeriodScopeSource row
Revenue¥1.75T2025-04-01 → 2025-09-30Cons.Operating revenue1
Revenue¥3.67T2024-04-01 → 2025-03-31Cons.Operating revenue1 (5-year summary)
Revenue¥1.77T2024-04-01 → 2024-09-30Cons.Operating revenue1
Operating income¥145.5bn2025-04-01 → 2025-09-30Cons.Operating income
Operating income¥142.8bn2024-04-01 → 2024-09-30Cons.Operating income
Ordinary income¥196.3bn2025-04-01 → 2025-09-30Cons.Ordinary income
Ordinary income¥187.9bn2024-04-01 → 2024-09-30Cons.Ordinary income
Profit before tax¥196.2bn2025-04-01 → 2025-09-30Cons.Income before income taxes
Profit before tax¥187.3bn2024-04-01 → 2024-09-30Cons.Income before income taxes
Net income (owners)¥166.4bn2025-04-01 → 2025-09-30Cons.Profit loss attributable to owners of parent
Net income (owners)¥202.1bn2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥147.0bn2024-04-01 → 2024-09-30Cons.Profit loss attributable to owners of parent
Net income¥166.7bn2025-04-01 → 2025-09-30Cons.Profit loss
Net income¥148.2bn2024-04-01 → 2024-09-30Cons.Profit loss
Total assets¥7.41Tat 2025-09-30Cons.Assets
Total assets¥7.12Tat 2025-03-31Cons.Assets
Total assets¥7.04Tat 2024-09-30Cons.Total assets (5-year summary)
Total liabilities¥4.43Tat 2025-09-30Cons.Liabilities
Total liabilities¥4.27Tat 2025-03-31Cons.Liabilities
Net assets / equity¥2.98Tat 2025-09-30Cons.Net assets
Net assets / equity¥2.86Tat 2025-03-31Cons.Net assets
Net assets / equity¥2.81Tat 2024-09-30Cons.Net assets (5-year summary)
Cash and deposits¥348.2bnat 2025-09-30Cons.Cash and deposits
Cash and deposits¥293.5bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥430.3bnat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥292.5bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥299.6bnat 2024-09-30Cons.Cash and cash equivalents
Cash & equivalents¥418.5bnat 2024-03-31vCons.Cash and cash equivalents
Operating cash flow¥147.3bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in operating activities
Operating cash flow¥301.3bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥67.3bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in operating activities
Investing cash flow−¥164.8bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in investment activities
Investing cash flow−¥391.8bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥210.3bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in investment activities
Financing cash flow¥155.0bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in financing activities
Financing cash flow−¥27.6bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow¥31.8bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in financing activities
EPS (basic)¥220.282025-04-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥267.412024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥194.392024-04-01 → 2024-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (diluted)¥220.282025-04-01 → 2025-09-30Cons.Diluted earnings per share (5-year summary)
EPS (diluted)¥267.42024-04-01 → 2025-03-31Cons.Diluted earnings per share (5-year summary)
EPS (diluted)¥194.392024-04-01 → 2024-09-30Cons.Diluted earnings per share (5-year summary)
Equity ratio39.3%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Equity ratio39.1%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio38.9%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 · 48
SegmentItemPeriodValue
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2025-04-01 → 2025-09-30¥317.0bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2025-04-01 → 2025-09-30¥117.9bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2025-04-01 → 2025-09-30¥199.2bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment ordinary income2025-04-01 → 2025-09-30¥105.3bn
Reconciling Itemsreconcilingrevenue2025-04-01 → 2025-09-30−¥485.1bn
Reconciling Itemsreconcilingrevenue intersegment2025-04-01 → 2025-09-30−¥485.1bn
Reconciling Itemsreconcilingsegment ordinary income2025-04-01 → 2025-09-30−¥110.2bn
JERAreportable segmentsegment ordinary income2025-04-01 → 2025-09-30¥78.6bn
Miraizreportable segmentrevenue2025-04-01 → 2025-09-30¥1.46T
Miraizreportable segmentrevenue external2025-04-01 → 2025-09-30¥1.43T
Miraizreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥25.3bn
Miraizreportable segmentsegment ordinary income2025-04-01 → 2025-09-30¥95.7bn
Power Gridreportable segmentrevenue2025-04-01 → 2025-09-30¥460.9bn
Power Gridreportable segmentrevenue external2025-04-01 → 2025-09-30¥200.2bn
Power Gridreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥260.6bn
Power Gridreportable segmentsegment ordinary income2025-04-01 → 2025-09-30¥26.9bn
—segment totalrevenue2025-04-01 → 2025-09-30¥1.92T
—segment totalrevenue external2025-04-01 → 2025-09-30¥1.63T
—segment totalrevenue intersegment2025-04-01 → 2025-09-30¥285.9bn
—segment totalsegment ordinary income2025-04-01 → 2025-09-30¥201.2bn
Total Of Reportable Segments And Otherssegment totalrevenue2025-04-01 → 2025-09-30¥2.23T
Total Of Reportable Segments And Otherssegment totalrevenue external2025-04-01 → 2025-09-30¥1.75T
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2025-04-01 → 2025-09-30¥485.1bn
Total Of Reportable Segments And Otherssegment totalsegment ordinary income2025-04-01 → 2025-09-30¥306.5bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2024-04-01 → 2024-09-30¥361.7bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2024-04-01 → 2024-09-30¥156.9bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2024-04-01 → 2024-09-30¥204.8bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment ordinary income2024-04-01 → 2024-09-30¥44.0bn
Reconciling Itemsreconcilingrevenue2024-04-01 → 2024-09-30−¥494.2bn
Reconciling Itemsreconcilingrevenue intersegment2024-04-01 → 2024-09-30−¥494.2bn
Reconciling Itemsreconcilingsegment ordinary income2024-04-01 → 2024-09-30−¥33.8bn
JERAreportable segmentsegment ordinary income2024-04-01 → 2024-09-30¥59.2bn
Miraizreportable segmentrevenue2024-04-01 → 2024-09-30¥1.44T
Miraizreportable segmentrevenue external2024-04-01 → 2024-09-30¥1.41T
Miraizreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥24.5bn
Miraizreportable segmentsegment ordinary income2024-04-01 → 2024-09-30¥97.6bn
Power Gridreportable segmentrevenue2024-04-01 → 2024-09-30¥459.7bn
Power Gridreportable segmentrevenue external2024-04-01 → 2024-09-30¥194.8bn
Power Gridreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥264.9bn
Power Gridreportable segmentsegment ordinary income2024-04-01 → 2024-09-30¥21.0bn
—segment totalrevenue2024-04-01 → 2024-09-30¥1.90T
—segment totalrevenue external2024-04-01 → 2024-09-30¥1.61T
—segment totalrevenue intersegment2024-04-01 → 2024-09-30¥289.4bn
—segment totalsegment ordinary income2024-04-01 → 2024-09-30¥177.8bn
Total Of Reportable Segments And Otherssegment totalrevenue2024-04-01 → 2024-09-30¥2.26T
Total Of Reportable Segments And Otherssegment totalrevenue external2024-04-01 → 2024-09-30¥1.77T
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2024-04-01 → 2024-09-30¥494.2bn
Total Of Reportable Segments And Otherssegment totalsegment ordinary income2024-04-01 → 2024-09-30¥221.7bn

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

All source rows · 595
ItemContextValueUnit
Shareholding ratioInterimInstant_No1MajorShareholdersMember0.1439
Number of shares heldInterimInstant_No2MajorShareholdersMember45772000
Shareholding ratioInterimInstant_No2MajorShareholdersMember0.0605
Number of shares heldInterimInstant_No3MajorShareholdersMember35516000
Shareholding ratioInterimInstant_No3MajorShareholdersMember0.0469
Number of shares heldInterimInstant_No4MajorShareholdersMember16881000
Shareholding ratioInterimInstant_No4MajorShareholdersMember0.0223
Number of shares heldInterimInstant_No5MajorShareholdersMember16393000
Shareholding ratioInterimInstant_No5MajorShareholdersMember0.0217
Number of shares heldInterimInstant_No6MajorShareholdersMember16029000
Shareholding ratioInterimInstant_No6MajorShareholdersMember0.0212
Number of shares heldInterimInstant_No7MajorShareholdersMember12620000
Shareholding ratioInterimInstant_No7MajorShareholdersMember0.0167
Number of shares heldInterimInstant_No8MajorShareholdersMember11921000
Shareholding ratioInterimInstant_No8MajorShareholdersMember0.0158
Number of shares heldInterimInstant_No9MajorShareholdersMember10831000
Shareholding ratioInterimInstant_No9MajorShareholdersMember0.0143
Number of shares heldInterimInstant_No10MajorShareholdersMember10566000
Shareholding ratioInterimInstant_No10MajorShareholdersMember0.0140
Number of shares heldInterimInstant285433000
Shareholding ratioInterimInstant0.3773
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_OrdinarySharesTreasurySharesSharesWithFullVotingRightsTreasurySharesEtcMember1457600
Number of shares issued shares voting rightsInterimInstant_OrdinarySharesReciprocalHoldingSharesWithFullVotingRightsTreasurySharesEtcMember106900
Number of voting rights issued shares voting rightsInterimInstant_OrdinarySharesSharesWithFullVotingRightsOtherMember7535249
Number of shares issued shares voting rightsInterimInstant_OrdinarySharesSharesWithFullVotingRightsOtherMember753525000
Number of shares issued shares voting rightsInterimInstant_OrdinarySharesSharesLessThanOneUnitMember2910500
Number of shares issued shares voting rightsInterimInstant758000000
Number of voting rights issued shares voting rightsInterimInstant7535249
Number of shares held in own name treasury shares etcInterimInstant_Row1Member1457600
Number of shares held in others names treasury shares etcInterimInstant_Row1Member-
Total number of shares held treasury shares etcInterimInstant_Row1Member1457600
Shareholding ratio treasury shares etcInterimInstant_Row1Member0.0019
Number of shares held in own name treasury shares etcInterimInstant_Row2Member106900
Number of shares held in others names treasury shares etcInterimInstant_Row2Member-
Total number of shares held treasury shares etcInterimInstant_Row2Member106900
Shareholding ratio treasury shares etcInterimInstant_Row2Member0.0001
Number of shares held in own name treasury shares etcInterimInstant1564500
Number of shares held in others names treasury shares etcInterimInstant-
Total number of shares held treasury shares etcInterimInstant1564500
Shareholding ratio treasury shares etcInterimInstant0.0021
Noncurrent assetsPrior1YearInstant5982066000000JPY
Noncurrent assetsInterimInstant6064109000000JPY
Electric utility plant and equipment assets elePrior1YearInstant2363311000000JPY
Electric utility plant and equipment assets eleInterimInstant2370917000000JPY
Hydroelectric power production facilities nca electric elePrior1YearInstant283139000000JPY
Hydroelectric power production facilities nca electric eleInterimInstant300442000000JPY

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
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