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
Impairment loss ope cfPrior1InterimDuration12000000JPY
Impairment loss ope cfInterimDuration5000000JPY
Amortization of goodwill ope cfPrior1InterimDuration431000000JPY
Amortization of goodwill ope cfInterimDuration431000000JPY
Loss on retirement of noncurrent assets ope cfPrior1InterimDuration727000000JPY
Loss on retirement of noncurrent assets ope cfInterimDuration726000000JPY
Increase decrease in net defined benefit liability ope cfPrior1InterimDuration253000000JPY
Increase decrease in net defined benefit liability ope cfInterimDuration-613000000JPY
Increase decrease in net defined benefit asset ope cfPrior1InterimDuration-1307000000JPY
Increase decrease in net defined benefit asset ope cfInterimDuration-3591000000JPY
Increase decrease in reserve for loss on disaster ope cfPrior1InterimDuration-12928000000JPY
Increase decrease in reserve for loss on disaster ope cfInterimDuration-895000000JPY
Increase decrease in reserve for fluctuation in water levels ope cfelePrior1InterimDuration-21000000JPY
Increase decrease in reserve for fluctuation in water levels ope cfeleInterimDuration187000000JPY
Interest and dividends income ope cfPrior1InterimDuration-585000000JPY
Interest and dividends income ope cfInterimDuration-907000000JPY
Interest expenses ope cfPrior1InterimDuration3633000000JPY
Interest expenses ope cfInterimDuration4190000000JPY
Decrease increase in notes and accounts receivable trade ope cfPrior1InterimDuration-15396000000JPY
Decrease increase in notes and accounts receivable trade ope cfInterimDuration10226000000JPY
Decrease increase in inventories ope cfPrior1InterimDuration5831000000JPY
Decrease increase in inventories ope cfInterimDuration2096000000JPY
Increase decrease in notes and accounts payable trade ope cfPrior1InterimDuration-2331000000JPY
Increase decrease in notes and accounts payable trade ope cfInterimDuration-19477000000JPY
Inclease declease in accrued enterprise taxes and accrued consumption taxes ope cfPrior1InterimDuration-3624000000JPY
Inclease declease in accrued enterprise taxes and accrued consumption taxes ope cfInterimDuration-5699000000JPY
Other net ope cfPrior1InterimDuration3290000000JPY
Other net ope cfInterimDuration-28053000000JPY
Subtotal ope cfPrior1InterimDuration71508000000JPY
Subtotal ope cfInterimDuration58345000000JPY
Interest and dividends income received ope cf inv cfPrior1InterimDuration656000000JPY
Interest and dividends income received ope cf inv cfInterimDuration1193000000JPY
Interest expenses paid ope cf fin cfPrior1InterimDuration-3667000000JPY
Interest expenses paid ope cf fin cfInterimDuration-3899000000JPY
Income taxes paid ope cfPrior1InterimDuration-12657000000JPY
Income taxes paid ope cfInterimDuration-8632000000JPY
Net cash provided by used in operating activitiesPrior1InterimDuration55839000000JPY
Net cash provided by used in operating activitiesInterimDuration47007000000JPY
Purchase of noncurrent assets inv cfPrior1InterimDuration-40341000000JPY
Purchase of noncurrent assets inv cfInterimDuration-51846000000JPY
Proceeds from contribution received for construction inv cfPrior1InterimDuration1094000000JPY
Proceeds from contribution received for construction inv cfInterimDuration73000000JPY
Proceeds from sales of noncurrent assets inv cfPrior1InterimDuration315000000JPY
Proceeds from sales of noncurrent assets inv cfInterimDuration71000000JPY
Payments of investment and loans receivable inv cfPrior1InterimDuration-114473000000JPY
Payments of investment and loans receivable inv cfInterimDuration-48963000000JPY
Collection of investment and loans receivable inv cfPrior1InterimDuration4775000000JPY
Collection of investment and loans receivable inv cfInterimDuration56239000000JPY
Net cash provided by used in investment activitiesPrior1InterimDuration-148630000000JPY
Net cash provided by used in investment activitiesInterimDuration-44424000000JPY

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