Half-year report · HY

Period2025-04-01 → 2025-09-30
Filed2025-11-14
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 44
MetricValuePeriodScopeSource row
Revenue¥1.35T2025-04-01 → 2025-09-30Cons.Net sales
Revenue¥2.64T2024-04-01 → 2025-03-31Cons.Net sales (5-year summary)
Revenue¥1.22T2024-04-01 → 2024-09-30Cons.Net sales
Operating income¥95.3bn2025-04-01 → 2025-09-30Cons.Operating income
Operating income¥39.4bn2024-04-01 → 2024-09-30Cons.Operating income
Ordinary income¥86.2bn2025-04-01 → 2025-09-30Cons.Ordinary income
Ordinary income¥113.6bn2024-04-01 → 2025-03-31Cons.Ordinary income loss (5-year summary)
Ordinary income¥27.3bn2024-04-01 → 2024-09-30Cons.Ordinary income
Profit before tax¥170.7bn2025-04-01 → 2025-09-30Cons.Income before income taxes
Profit before tax¥32.3bn2024-04-01 → 2024-09-30Cons.Income before income taxes
Net income (owners)¥129.7bn2025-04-01 → 2025-09-30Cons.Profit loss attributable to owners of parent
Net income (owners)¥74.2bn2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥16.0bn2024-04-01 → 2024-09-30Cons.Profit loss attributable to owners of parent
Net income¥130.2bn2025-04-01 → 2025-09-30Cons.Profit loss
Net income¥15.9bn2024-04-01 → 2024-09-30Cons.Profit loss
Total assets¥3.67Tat 2025-09-30Cons.Assets
Total assets¥3.86Tat 2025-03-31Cons.Assets
Total assets¥3.89Tat 2024-09-30Cons.Total assets (5-year summary)
Total liabilities¥2.01Tat 2025-09-30Cons.Liabilities
Total liabilities¥2.05Tat 2025-03-31Cons.Liabilities
Net assets / equity¥1.66Tat 2025-09-30Cons.Net assets
Net assets / equity¥1.80Tat 2025-03-31Cons.Net assets
Net assets / equity¥1.81Tat 2024-09-30Cons.Net assets (5-year summary)
Cash and deposits¥211.0bnat 2025-09-30Cons.Cash and deposits
Cash and deposits¥244.4bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥210.9bnat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥244.3bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥212.9bnat 2024-09-30Cons.Cash and cash equivalents
Cash & equivalents¥363.9bnat 2024-03-31vCons.Cash and cash equivalents
Operating cash flow¥238.1bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in operating activities
Operating cash flow¥363.1bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥168.5bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in operating activities
Investing cash flow−¥128.8bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in investment activities
Investing cash flow−¥263.5bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥226.2bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in investment activities
Financing cash flow−¥116.7bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in financing activities
Financing cash flow−¥256.0bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥102.3bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in financing activities
EPS (basic)¥366.152025-04-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥192.222024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥40.822024-04-01 → 2024-09-30Cons.Basic earnings loss per share (5-year summary)
Equity ratio43.3%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Equity ratio44.8%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio45.6%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
Reconciling Itemsreconcilingrevenue2025-04-01 → 2025-09-30−¥130.5bn
Reconciling Itemsreconcilingrevenue intersegment2025-04-01 → 2025-09-30−¥130.5bn
Reconciling Itemsreconcilingsegment profit2025-04-01 → 2025-09-30−¥18.8bn
Energy Solutionreportable segmentrevenue2025-04-01 → 2025-09-30¥1.20T
Energy Solutionreportable segmentrevenue external2025-04-01 → 2025-09-30¥1.18T
Energy Solutionreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥18.9bn
Energy Solutionreportable segmentsegment profit2025-04-01 → 2025-09-30¥99.6bn
Global Businessreportable segmentrevenue2025-04-01 → 2025-09-30¥110.3bn
Global Businessreportable segmentrevenue external2025-04-01 → 2025-09-30¥110.1bn
Global Businessreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥209m
Global Businessreportable segmentsegment profit2025-04-01 → 2025-09-30¥26.0bn
Networkreportable segmentrevenue2025-04-01 → 2025-09-30¥143.1bn
Networkreportable segmentrevenue external2025-04-01 → 2025-09-30¥45.3bn
Networkreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥97.8bn
Networkreportable segmentsegment profit2025-04-01 → 2025-09-30−¥17.5bn
Urban Businessreportable segmentrevenue2025-04-01 → 2025-09-30¥28.6bn
Urban Businessreportable segmentrevenue external2025-04-01 → 2025-09-30¥15.0bn
Urban Businessreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥13.6bn
Urban Businessreportable segmentsegment profit2025-04-01 → 2025-09-30¥6.0bn
Total Of Reportable Segments And Otherssegment totalrevenue2025-04-01 → 2025-09-30¥1.48T
Total Of Reportable Segments And Otherssegment totalrevenue external2025-04-01 → 2025-09-30¥1.35T
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2025-04-01 → 2025-09-30¥130.5bn
Total Of Reportable Segments And Otherssegment totalsegment profit2025-04-01 → 2025-09-30¥114.1bn
Reconciling Itemsreconcilingrevenue2024-04-01 → 2024-09-30−¥125.9bn
Reconciling Itemsreconcilingrevenue intersegment2024-04-01 → 2024-09-30−¥125.9bn
Reconciling Itemsreconcilingsegment profit2024-04-01 → 2024-09-30−¥12.9bn
Energy Solutionreportable segmentrevenue2024-04-01 → 2024-09-30¥1.09T
Energy Solutionreportable segmentrevenue external2024-04-01 → 2024-09-30¥1.07T
Energy Solutionreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥13.8bn
Energy Solutionreportable segmentsegment profit2024-04-01 → 2024-09-30¥54.2bn
Global Businessreportable segmentrevenue2024-04-01 → 2024-09-30¥88.8bn
Global Businessreportable segmentrevenue external2024-04-01 → 2024-09-30¥88.5bn
Global Businessreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥216m
Global Businessreportable segmentsegment profit2024-04-01 → 2024-09-30¥7.0bn
Networkreportable segmentrevenue2024-04-01 → 2024-09-30¥140.7bn
Networkreportable segmentrevenue external2024-04-01 → 2024-09-30¥42.3bn
Networkreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥98.4bn
Networkreportable segmentsegment profit2024-04-01 → 2024-09-30−¥16.5bn
Urban Businessreportable segmentrevenue2024-04-01 → 2024-09-30¥30.3bn
Urban Businessreportable segmentrevenue external2024-04-01 → 2024-09-30¥16.8bn
Urban Businessreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥13.5bn
Urban Businessreportable segmentsegment profit2024-04-01 → 2024-09-30¥7.7bn
Total Of Reportable Segments And Otherssegment totalrevenue2024-04-01 → 2024-09-30¥1.35T
Total Of Reportable Segments And Otherssegment totalrevenue external2024-04-01 → 2024-09-30¥1.22T
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2024-04-01 → 2024-09-30¥125.9bn
Total Of Reportable Segments And Otherssegment totalsegment profit2024-04-01 → 2024-09-30¥52.3bn

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

All source rows · 595
ItemContextValueUnit
Current fiscal year start dateFilingDateInstant2025-04-01
Current period end dateFilingDateInstant2025-09-30
Type of current periodFilingDateInstantHY
Current fiscal year end dateFilingDateInstant2026-03-31
Previous fiscal year start dateFilingDateInstant2024-04-01
Comparative period end dateFilingDateInstant2024-09-30
Previous fiscal year end dateFilingDateInstant2025-03-31
Next fiscal year start dateFilingDateInstant-
End date of quarterly or semi annual period of next fiscal yearFilingDateInstant-
Amendment flagFilingDateInstantfalse
Identification of document subject to amendmentFilingDateInstant-
Report amendment flagFilingDateInstantfalse
Xbrl amendment flagFilingDateInstantfalse
Business results of group (text)FilingDateInstantText · Plus
Description of business (text)FilingDateInstantText · Plus
Business risks (text)FilingDateInstantText · Plus
Management analysis of financial position operating results and cash flows (text)FilingDateInstantText · Plus
Basic policy regarding control of company (text)FilingDateInstantText · Plus
Critical contracts (text)FilingDateInstantText · Plus
Total number of shares (text)FilingDateInstantText · Plus
Issued shares total number of shares etc (text)FilingDateInstantText · Plus
Class issued shares total number of shares etcFilingDateInstant_OrdinaryShareMember
Original text (Japanese)普通株式
Name of financial instruments exchange on which securities are listed or authorized financial instruments business association to which securities are registeredFilingDateInstant_OrdinaryShareMember
Original text (Japanese)東京証券取引所(プライム市場)名古屋証券取引所(プレミア市場)
Description issued shares total number of shares etcFilingDateInstant_OrdinaryShareMember
Original text (Japanese)単元株式数100株
Details of employee share option program (text)FilingDateInstantText · Plus
Other information on share acquisition rights (text)FilingDateInstantText · Plus
Exercises etc of moving strike convertible bonds etc (text)FilingDateInstantText · Plus
Changes in number of issued shares stated capital etc (text)FilingDateInstantText · Plus
Major shareholders (text)FilingDateInstantText · Plus
Name major shareholdersInterimInstant_No1MajorShareholdersMember
Original text (Japanese)日本マスタートラスト信託銀行株式会社(信託口)
Address major shareholdersInterimInstant_No1MajorShareholdersMember
Original text (Japanese)東京都港区赤坂1-8-1
Name major shareholdersInterimInstant_No2MajorShareholdersMember
Original text (Japanese)日本生命保険相互会社(常任代理人 日本マスタートラスト信託銀行株式会社)
Address major shareholdersInterimInstant_No2MajorShareholdersMember
Original text (Japanese)東京都千代田区丸の内1-6-6日本生命証券管理部内(東京都港区赤坂1-8-1)
Name major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)株式会社日本カストディ銀行(信託口)
Address major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)東京都中央区晴海1-8-12
Name major shareholdersInterimInstant_No4MajorShareholdersMember
Original text (Japanese)STATE STREET BANK WESTCLIENT-TREATY 505234(常任代理人 株式会社みずほ銀行)
Address major shareholdersInterimInstant_No4MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No5MajorShareholdersMember
Original text (Japanese)みずほ信託銀行株式会社 退職給付信託 第一生命保険口再信託受託者 株式会社日本カストディ銀行
Address major shareholdersInterimInstant_No5MajorShareholdersMember
Original text (Japanese)東京都中央区晴海1-8-12
Name major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)東京瓦斯グループ従業員持株会
Address major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)東京都港区海岸1-5-20
Name major shareholdersInterimInstant_No7MajorShareholdersMember
Original text (Japanese)STATE STREET BANK AND TRUSTCOMPANY 505001(常任代理人 株式会社みずほ銀行)
Address major shareholdersInterimInstant_No7MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No8MajorShareholdersMember
Original text (Japanese)GOVERNMENT OF NORWAY(常任代理人 シティバンク、エヌ・エイ東京支店)
Address major shareholdersInterimInstant_No8MajorShareholdersMember
Original text (Japanese)BANKPLASSEN 2, 0107 OSLO 1 OSLO 0107 NO(東京都新宿区新宿6-27-30)
Name major shareholdersInterimInstant_No9MajorShareholdersMember
Original text (Japanese)JP MORGAN CHASE BANK 385781(常任代理人 株式会社みずほ銀行)
Address major shareholdersInterimInstant_No9MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No10MajorShareholdersMember
Original text (Japanese)第一生命保険株式会社
Address major shareholdersInterimInstant_No10MajorShareholdersMember
Original text (Japanese)東京都千代田区有楽町1-13-1
Issued shares voting rights (text)FilingDateInstantText · Plus

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
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