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
Nuclear power production facilities nca electric elePrior1YearInstant85208000000JPY
Nuclear power production facilities nca electric eleInterimInstant84465000000JPY
Transmission facilities nca electric elePrior1YearInstant551361000000JPY
Transmission facilities nca electric eleInterimInstant545732000000JPY
Transformation facilities nca electric elePrior1YearInstant427678000000JPY
Transformation facilities nca electric eleInterimInstant421755000000JPY
Distribution facilities nca electric elePrior1YearInstant830094000000JPY
Distribution facilities nca electric eleInterimInstant836717000000JPY
General facilities nca electric elePrior1YearInstant162876000000JPY
General facilities nca electric eleInterimInstant159195000000JPY
Other electric utility plant and equipment nca electric elePrior1YearInstant22951000000JPY
Other electric utility plant and equipment nca electric eleInterimInstant22609000000JPY
Other noncurrent assets elePrior1YearInstant401726000000JPY
Other noncurrent assets eleInterimInstant403981000000JPY
Construction in progress elePrior1YearInstant521028000000JPY
Construction in progress eleInterimInstant543109000000JPY
Construction and retirement in progress nca in process elePrior1YearInstant437475000000JPY
Construction and retirement in progress nca in process eleInterimInstant459556000000JPY
Special account related to reprocessing of spent nuclear fuel elePrior1YearInstant83553000000JPY
Special account related to reprocessing of spent nuclear fuel eleInterimInstant83553000000JPY
Nuclear fuel ncaelePrior1YearInstant200697000000JPY
Nuclear fuel ncaeleInterimInstant205308000000JPY
Loaded nuclear fuel ncaelePrior1YearInstant40040000000JPY
Loaded nuclear fuel ncaeleInterimInstant40040000000JPY
Nuclear fuel in processing ncaelePrior1YearInstant160657000000JPY
Nuclear fuel in processing ncaeleInterimInstant165268000000JPY
Investments and other assetsPrior1YearInstant2495301000000JPY
Investments and other assetsInterimInstant2540791000000JPY
Long term investments elePrior1YearInstant271626000000JPY
Long term investments eleInterimInstant268835000000JPY
Long term investment for subsidiaries and affiliates elePrior1YearInstant2037296000000JPY
Long term investment for subsidiaries and affiliates eleInterimInstant2076947000000JPY
Net defined benefit assetPrior1YearInstant2917000000JPY
Net defined benefit assetInterimInstant3235000000JPY
Deferred tax assetsPrior1YearInstant148218000000JPY
Deferred tax assetsInterimInstant156749000000JPY
Other ioaPrior1YearInstant37250000000JPY
Other ioaInterimInstant38424000000JPY
Allowance for doubtful accounts ioa by groupPrior1YearInstant-2008000000JPY
Allowance for doubtful accounts ioa by groupInterimInstant-3401000000JPY
Current assetsPrior1YearInstant1142746000000JPY
Current assetsInterimInstant1349929000000JPY
Cash and depositsPrior1YearInstant293547000000JPY
Cash and depositsInterimInstant348239000000JPY
Notes and accounts receivable trade and contract assetsPrior1YearInstant311955000000JPY
Notes and accounts receivable trade and contract assetsInterimInstant318706000000JPY
Short term investments caelePrior1YearInstant4703000000JPY
Short term investments caeleInterimInstant88458000000JPY
InventoriesPrior1YearInstant305019000000JPY
InventoriesInterimInstant321023000000JPY

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