Half-year report · HY

Period2025-09-01 → 2026-02-28
Filed2026-04-14
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 44
MetricValuePeriodScopeSource row
Revenue¥15.2bn2025-09-01 → 2026-02-28Cons.Net sales
Revenue¥47.3bn2024-09-01 → 2025-08-31Cons.Net sales (5-year summary)
Revenue¥14.9bn2024-09-01 → 2025-02-28Cons.Net sales
Operating income¥1.3bn2025-09-01 → 2026-02-28Cons.Operating income
Operating income¥1.4bn2024-09-01 → 2025-02-28Cons.Operating income
Ordinary income¥563m2025-09-01 → 2026-02-28Cons.Ordinary income
Ordinary income¥8.0bn2024-09-01 → 2025-08-31Cons.Ordinary income loss (5-year summary)
Ordinary income¥1.1bn2024-09-01 → 2025-02-28Cons.Ordinary income
Profit before tax¥555m2025-09-01 → 2026-02-28Cons.Income before income taxes
Profit before tax¥1.1bn2024-09-01 → 2025-02-28Cons.Income before income taxes
Net income (owners)¥357m2025-09-01 → 2026-02-28Cons.Profit loss attributable to owners of parent
Net income (owners)¥5.4bn2024-09-01 → 2025-08-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥546m2024-09-01 → 2025-02-28Cons.Profit loss attributable to owners of parent
Net income¥368m2025-09-01 → 2026-02-28Cons.Profit loss
Net income¥561m2024-09-01 → 2025-02-28Cons.Profit loss
Total assets¥146.0bnat 2026-02-28Cons.Assets
Total assets¥148.5bnat 2025-08-31Cons.Assets
Total assets¥127.6bnat 2025-02-28Cons.Total assets (5-year summary)
Total liabilities¥111.3bnat 2026-02-28Cons.Liabilities
Total liabilities¥112.0bnat 2025-08-31Cons.Liabilities
Net assets / equity¥34.7bnat 2026-02-28Cons.Net assets
Net assets / equity¥36.5bnat 2025-08-31Cons.Net assets
Net assets / equity¥31.4bnat 2025-02-28Cons.Net assets (5-year summary)
Cash and deposits¥42.1bnat 2026-02-28Cons.Cash and deposits
Cash and deposits¥35.6bnat 2025-08-31Cons.Cash and deposits
Cash & equivalents¥42.3bnat 2026-02-28Cons.Cash and cash equivalents
Cash & equivalents¥35.7bnat 2025-08-31Cons.Cash and cash equivalents
Cash & equivalents¥29.5bnat 2025-02-28Cons.Cash and cash equivalents
Cash & equivalents¥27.8bnat 2024-08-31vCons.Cash and cash equivalents
Operating cash flow¥10.4bn2025-09-01 → 2026-02-28Cons.Net cash provided by used in operating activities
Operating cash flow¥3.3bn2024-09-01 → 2025-08-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow−¥1.2bn2024-09-01 → 2025-02-28Cons.Net cash provided by used in operating activities
Investing cash flow−¥73m2025-09-01 → 2026-02-28Cons.Net cash provided by used in investment activities
Investing cash flow−¥5.5bn2024-09-01 → 2025-08-31Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥2.2bn2024-09-01 → 2025-02-28Cons.Net cash provided by used in investment activities
Financing cash flow−¥3.8bn2025-09-01 → 2026-02-28Cons.Net cash provided by used in financing activities
Financing cash flow¥10.1bn2024-09-01 → 2025-08-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow¥5.1bn2024-09-01 → 2025-02-28Cons.Net cash provided by used in financing activities
EPS (basic)¥9.022025-09-01 → 2026-02-28Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥135.092024-09-01 → 2025-08-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥13.782024-09-01 → 2025-02-28Cons.Basic earnings loss per share (5-year summary)
Equity ratio23.5%at 2026-02-28Cons.Equity to asset ratio (5-year summary)
Equity ratio24.4%at 2025-08-31Cons.Equity to asset ratio (5-year summary)
Equity ratio24.5%at 2025-02-28Cons.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 · 59
SegmentItemPeriodValue
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2025-09-01 → 2026-02-28¥1m
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2025-09-01 → 2026-02-28¥1m
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment profit2025-09-01 → 2026-02-28¥1m
Reconciling Itemsreconcilingrevenue2025-09-01 → 2026-02-28−¥254m
Reconciling Itemsreconcilingrevenue intersegment2025-09-01 → 2026-02-28−¥254m
Reconciling Itemsreconcilingsegment profit2025-09-01 → 2026-02-28¥54m
Electric Power Businessreportable segmentrevenue2025-09-01 → 2026-02-28¥2.8bn
Electric Power Businessreportable segmentrevenue external2025-09-01 → 2026-02-28¥2.8bn
Electric Power Businessreportable segmentsegment profit2025-09-01 → 2026-02-28¥54m
Energy Saving Businessreportable segmentrevenue2025-09-01 → 2026-02-28¥549m
Energy Saving Businessreportable segmentrevenue external2025-09-01 → 2026-02-28¥549m
Energy Saving Businessreportable segmentsegment profit2025-09-01 → 2026-02-28¥55m
Energy Storage Businessreportable segmentrevenue2025-09-01 → 2026-02-28¥3.0bn
Energy Storage Businessreportable segmentrevenue external2025-09-01 → 2026-02-28¥3.0bn
Energy Storage Businessreportable segmentsegment profit2025-09-01 → 2026-02-28¥911m
Maintenance Businessreportable segmentrevenue2025-09-01 → 2026-02-28¥987m
Maintenance Businessreportable segmentrevenue external2025-09-01 → 2026-02-28¥761m
Maintenance Businessreportable segmentrevenue intersegment2025-09-01 → 2026-02-28¥226m
Maintenance Businessreportable segmentsegment profit2025-09-01 → 2026-02-28¥375m
Renewable Energy Businessreportable segmentrevenue2025-09-01 → 2026-02-28¥8.1bn
Renewable Energy Businessreportable segmentrevenue external2025-09-01 → 2026-02-28¥8.1bn
Renewable Energy Businessreportable segmentrevenue intersegment2025-09-01 → 2026-02-28¥28m
Renewable Energy Businessreportable segmentsegment profit2025-09-01 → 2026-02-28−¥150m
—segment totalrevenue2025-09-01 → 2026-02-28¥15.4bn
—segment totalrevenue external2025-09-01 → 2026-02-28¥15.2bn
—segment totalrevenue intersegment2025-09-01 → 2026-02-28¥254m
—segment totalsegment profit2025-09-01 → 2026-02-28¥1.2bn
Total Of Reportable Segments And Otherssegment totalrevenue2025-09-01 → 2026-02-28¥15.4bn
Total Of Reportable Segments And Otherssegment totalrevenue external2025-09-01 → 2026-02-28¥15.2bn
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2025-09-01 → 2026-02-28¥254m
Total Of Reportable Segments And Otherssegment totalsegment profit2025-09-01 → 2026-02-28¥1.2bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2024-09-01 → 2025-02-28¥0
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2024-09-01 → 2025-02-28¥0
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment profit2024-09-01 → 2025-02-28¥0
Reconciling Itemsreconcilingrevenue2024-09-01 → 2025-02-28−¥200m
Reconciling Itemsreconcilingrevenue intersegment2024-09-01 → 2025-02-28−¥200m
Reconciling Itemsreconcilingsegment profit2024-09-01 → 2025-02-28¥43m
Electric Power Businessreportable segmentrevenue2024-09-01 → 2025-02-28¥2.1bn
Electric Power Businessreportable segmentrevenue external2024-09-01 → 2025-02-28¥2.1bn
Electric Power Businessreportable segmentsegment profit2024-09-01 → 2025-02-28¥172m
Energy Saving Businessreportable segmentrevenue2024-09-01 → 2025-02-28¥611m
Energy Saving Businessreportable segmentrevenue external2024-09-01 → 2025-02-28¥611m
Energy Saving Businessreportable segmentsegment profit2024-09-01 → 2025-02-28¥187m
Maintenance Businessreportable segmentrevenue2024-09-01 → 2025-02-28¥952m
Maintenance Businessreportable segmentrevenue external2024-09-01 → 2025-02-28¥772m
Maintenance Businessreportable segmentrevenue intersegment2024-09-01 → 2025-02-28¥179m
Maintenance Businessreportable segmentsegment profit2024-09-01 → 2025-02-28¥305m
Renewable Energy Businessreportable segmentrevenue2024-09-01 → 2025-02-28¥11.4bn
Renewable Energy Businessreportable segmentrevenue external2024-09-01 → 2025-02-28¥11.4bn
Renewable Energy Businessreportable segmentrevenue intersegment2024-09-01 → 2025-02-28¥21m
Renewable Energy Businessreportable segmentsegment profit2024-09-01 → 2025-02-28¥729m
—segment totalrevenue2024-09-01 → 2025-02-28¥15.1bn
—segment totalrevenue external2024-09-01 → 2025-02-28¥14.9bn
—segment totalrevenue intersegment2024-09-01 → 2025-02-28¥200m
—segment totalsegment profit2024-09-01 → 2025-02-28¥1.4bn
Total Of Reportable Segments And Otherssegment totalrevenue2024-09-01 → 2025-02-28¥15.1bn
Total Of Reportable Segments And Otherssegment totalrevenue external2024-09-01 → 2025-02-28¥14.9bn
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2024-09-01 → 2025-02-28¥200m
Total Of Reportable Segments And Otherssegment totalsegment profit2024-09-01 → 2025-02-28¥1.4bn

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

All source rows · 561
ItemContextValueUnit
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)吉川 隆
Address major shareholdersInterimInstant_No1MajorShareholdersMember
Original text (Japanese)広島県広島市中区
Name major shareholdersInterimInstant_No2MajorShareholdersMember
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_No2MajorShareholdersMember
Original text (Japanese)東京都港区赤坂1丁目8番1号
Name major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)株式会社JERA
Address major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)東京都中央区日本橋2丁目5番1号
Name major shareholdersInterimInstant_No4MajorShareholdersMember
Original text (Japanese)BBH CO FOR ARCUS JAPAN VALUE FUND (常任代理人 株式会社三菱UFJ銀行)
Address major shareholdersInterimInstant_No4MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No5MajorShareholdersMember
Original text (Japanese)株式会社日本カストディ銀行(信託口)
Address major shareholdersInterimInstant_No5MajorShareholdersMember
Original text (Japanese)東京都中央区晴海1丁目8番12号
Name major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)GOVERNMENT OF NORWAY (常任代理人 シティバンク)
Address major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)BANKPLASSEN 2, 0107 OSLO 1 OSLO 0107 NO (東京都新宿区新宿6丁目27番30号)
Name major shareholdersInterimInstant_No7MajorShareholdersMember
Original text (Japanese)JPモルガン証券株式会社
Address major shareholdersInterimInstant_No7MajorShareholdersMember
Original text (Japanese)東京都千代田区丸の内2丁目7番3号
Name major shareholdersInterimInstant_No8MajorShareholdersMember
Original text (Japanese)大阪瓦斯株式会社
Address major shareholdersInterimInstant_No8MajorShareholdersMember
Original text (Japanese)大阪府大阪市中央区平野町4丁目1番2号
Name major shareholdersInterimInstant_No9MajorShareholdersMember
Original text (Japanese)CEPLUX-ERSTE GROUP BANK AG (UCITS CLIENTS)(常任代理人 シティバンク)
Address major shareholdersInterimInstant_No9MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No10MajorShareholdersMember
Original text (Japanese)MSCO CUSTOMER SECURITIES (常任代理人 モルガン・スタンレーMUFG証券株式会社)
Address major shareholdersInterimInstant_No10MajorShareholdersMemberText · Plus
Issued shares voting rights (text)FilingDateInstantText · Plus
Description issued shares voting rightsInterimInstant_SharesWithNoVotingRightsMember-
Description issued shares voting rightsInterimInstant_SharesWithRestrictedVotingRightsTreasurySharesEtcMember-
Description issued shares voting rightsInterimInstant_SharesWithRestrictedVotingRightsOtherMember-
Description issued shares voting rightsInterimInstant_OrdinarySharesTreasurySharesSharesWithFullVotingRightsTreasurySharesEtcMember-
Description issued shares voting rightsInterimInstant_OrdinarySharesSharesWithFullVotingRightsOtherMember-
Description issued shares voting rightsInterimInstant_OrdinarySharesSharesLessThanOneUnitMember-
Treasury shares etc (text)FilingDateInstantText · Plus
Name of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)株式会社ウエストホールディングス
Address of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)広島県広島市西区楠木町一丁目15番24号
Information about officers (text)FilingDateInstantText · Plus
Regulations in accordance with which consolidated financial statements have been prepared financial informationInterimDurationText · Plus
Type1 semi annual consolidated financial statements financial informationInterimDurationText · Plus
Note on independent audit financial informationInterimDurationText · Plus
Type1 semi annual consolidated balance sheet (text)InterimDurationText · Plus
Type1 semi annual consolidated statement of income (text)InterimDurationText · Plus
Type1 semi annual consolidated statement of comprehensive income (text)InterimDurationText · Plus
Type1 semi annual consolidated statement of cash flows (text)InterimDurationText · Plus
Notes uncertainties of entitys ability to continue as going concern semi annual consolidated financial statements (text)InterimDurationText · Plus
Notes accounting treatments specific to semi annual financial statements type1 semi annual consolidated financial statements (text)InterimDurationText · Plus
Notes regarding guarantee obligations (text)InterimInstantText · Plus
Major components of selling general and administrative expenses (text)InterimDurationText · Plus
Reconciliation of ending balance of cash and cash equivalents with account balances per balance sheet (text)InterimDurationText · Plus
Notes regarding dividend (text)Prior1InterimDurationText · Plus
Notes when there is significant changes in amounts of equity (text)Prior1InterimDurationText · Plus
Notes regarding dividend (text)InterimDurationText · 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 2025-08-31pass rounding
balance sheet identityconsolidated 2026-02-28pass rounding
dei present pass
period resolution pass
statement vs summary · net assetsconsolidated 2025-08-31pass
statement vs summary · net assetsconsolidated 2026-02-28pass
statement vs summary · net income attributable to parentconsolidated 2024-09-01/2025-02-28pass
statement vs summary · net income attributable to parentconsolidated 2025-09-01/2026-02-28pass
statement vs summary · operating cash flowconsolidated 2024-09-01/2025-02-28pass
statement vs summary · operating cash flowconsolidated 2025-09-01/2026-02-28pass
statement vs summary · revenueconsolidated 2024-09-01/2025-02-28pass
statement vs summary · revenueconsolidated 2025-09-01/2026-02-28pass
statement vs summary · total assetsconsolidated 2025-08-31pass
statement vs summary · total assetsconsolidated 2026-02-28pass