Half-year report · HY

Period2026-01-01 → 2026-06-30
Filed2026-08-13
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 47
MetricValuePeriodScopeSource row
Revenue¥47.9bn2026-01-01 → 2026-06-30Cons.Net sales
Revenue¥91.4bn2025-01-01 → 2025-12-31Cons.Net sales (5-year summary)
Revenue¥48.5bn2025-01-01 → 2025-06-30Cons.Net sales
Operating income¥6.6bn2026-01-01 → 2026-06-30Cons.Operating income
Operating income¥6.6bn2025-01-01 → 2025-06-30Cons.Operating income
Ordinary income¥7.2bn2026-01-01 → 2026-06-30Cons.Ordinary income
Ordinary income¥11.7bn2025-01-01 → 2025-12-31Cons.Ordinary income loss (5-year summary)
Ordinary income¥7.1bn2025-01-01 → 2025-06-30Cons.Ordinary income
Profit before tax¥7.1bn2026-01-01 → 2026-06-30Cons.Income before income taxes
Profit before tax¥8.4bn2025-01-01 → 2025-06-30Cons.Income before income taxes
Net income (owners)¥4.5bn2026-01-01 → 2026-06-30Cons.Profit loss attributable to owners of parent
Net income (owners)¥8.4bn2025-01-01 → 2025-12-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥5.5bn2025-01-01 → 2025-06-30Cons.Profit loss attributable to owners of parent
Net income¥4.9bn2026-01-01 → 2026-06-30Cons.Profit loss
Net income¥5.9bn2025-01-01 → 2025-06-30Cons.Profit loss
Total assets¥133.0bnat 2026-06-30Cons.Assets
Total assets¥127.8bnat 2025-12-31Cons.Assets
Total assets¥122.3bnat 2025-06-30Cons.Total assets (5-year summary)
Total liabilities¥19.0bnat 2026-06-30Cons.Liabilities
Total liabilities¥18.9bnat 2025-12-31Cons.Liabilities
Net assets / equity¥114.0bnat 2026-06-30Cons.Net assets
Net assets / equity¥108.9bnat 2025-12-31Cons.Net assets
Net assets / equity¥104.6bnat 2025-06-30Cons.Net assets (5-year summary)
Cash and deposits¥18.4bnat 2026-06-30Cons.Cash and deposits
Cash and deposits¥30.5bnat 2025-12-31Cons.Cash and deposits
Cash & equivalents¥18.5bnat 2026-06-30Cons.Cash and cash equivalents
Cash & equivalents¥29.9bnat 2025-12-31Cons.Cash and cash equivalents
Cash & equivalents¥20.0bnat 2025-06-30Cons.Cash and cash equivalents
Cash & equivalents¥28.8bnat 2024-12-31vCons.Cash and cash equivalents
Operating cash flow¥8.9bn2026-01-01 → 2026-06-30Cons.Net cash provided by used in operating activities
Operating cash flow¥15.9bn2025-01-01 → 2025-12-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥9.6bn2025-01-01 → 2025-06-30Cons.Net cash provided by used in operating activities
Investing cash flow−¥19.4bn2026-01-01 → 2026-06-30Cons.Net cash provided by used in investment activities
Investing cash flow−¥13.3bn2025-01-01 → 2025-12-31Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥17.8bn2025-01-01 → 2025-06-30Cons.Net cash provided by used in investment activities
Financing cash flow−¥830m2026-01-01 → 2026-06-30Cons.Net cash provided by used in financing activities
Financing cash flow−¥1.6bn2025-01-01 → 2025-12-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥570m2025-01-01 → 2025-06-30Cons.Net cash provided by used in financing activities
EPS (basic)¥83.72026-01-01 → 2026-06-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥156.992025-01-01 → 2025-12-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥103.012025-01-01 → 2025-06-30Cons.Basic earnings loss per share (5-year summary)
EPS (diluted)¥83.422026-01-01 → 2026-06-30Cons.Diluted earnings per share (5-year summary)
EPS (diluted)¥156.422025-01-01 → 2025-12-31Cons.Diluted earnings per share (5-year summary)
EPS (diluted)¥102.632025-01-01 → 2025-06-30Cons.Diluted earnings per share (5-year summary)
Equity ratio82.9%at 2026-06-30Cons.Equity to asset ratio (5-year summary)
Equity ratio82.4%at 2025-12-31Cons.Equity to asset ratio (5-year summary)
Equity ratio82.8%at 2025-06-30Cons.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
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2026-01-01 → 2026-06-30¥4.6bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2026-01-01 → 2026-06-30¥4.6bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2026-01-01 → 2026-06-30¥2m
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment profit2026-01-01 → 2026-06-30¥342m
Reconciling Itemsreconcilingrevenue2026-01-01 → 2026-06-30−¥163m
Reconciling Itemsreconcilingrevenue intersegment2026-01-01 → 2026-06-30−¥163m
Reconciling Itemsreconcilingsegment profit2026-01-01 → 2026-06-30−¥1.8bn
Gas Businessreportable segmentrevenue2026-01-01 → 2026-06-30¥35.2bn
Gas Businessreportable segmentrevenue external2026-01-01 → 2026-06-30¥35.0bn
Gas Businessreportable segmentrevenue intersegment2026-01-01 → 2026-06-30¥112m
Gas Businessreportable segmentsegment profit2026-01-01 → 2026-06-30¥3.4bn
Iodine Businessreportable segmentrevenue2026-01-01 → 2026-06-30¥8.4bn
Iodine Businessreportable segmentrevenue external2026-01-01 → 2026-06-30¥8.3bn
Iodine Businessreportable segmentrevenue intersegment2026-01-01 → 2026-06-30¥49m
Iodine Businessreportable segmentsegment profit2026-01-01 → 2026-06-30¥4.7bn
—segment totalrevenue2026-01-01 → 2026-06-30¥43.5bn
—segment totalrevenue external2026-01-01 → 2026-06-30¥43.4bn
—segment totalrevenue intersegment2026-01-01 → 2026-06-30¥161m
—segment totalsegment profit2026-01-01 → 2026-06-30¥8.1bn
Total Of Reportable Segments And Otherssegment totalrevenue2026-01-01 → 2026-06-30¥48.1bn
Total Of Reportable Segments And Otherssegment totalrevenue external2026-01-01 → 2026-06-30¥47.9bn
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2026-01-01 → 2026-06-30¥163m
Total Of Reportable Segments And Otherssegment totalsegment profit2026-01-01 → 2026-06-30¥8.4bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2025-01-01 → 2025-06-30¥4.6bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2025-01-01 → 2025-06-30¥4.5bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2025-01-01 → 2025-06-30¥135m
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment profit2025-01-01 → 2025-06-30¥314m
Reconciling Itemsreconcilingrevenue2025-01-01 → 2025-06-30−¥328m
Reconciling Itemsreconcilingrevenue intersegment2025-01-01 → 2025-06-30−¥328m
Reconciling Itemsreconcilingsegment profit2025-01-01 → 2025-06-30−¥1.6bn
Gas Businessreportable segmentrevenue2025-01-01 → 2025-06-30¥36.8bn
Gas Businessreportable segmentrevenue external2025-01-01 → 2025-06-30¥36.7bn
Gas Businessreportable segmentrevenue intersegment2025-01-01 → 2025-06-30¥140m
Gas Businessreportable segmentsegment profit2025-01-01 → 2025-06-30¥3.5bn
Iodine Businessreportable segmentrevenue2025-01-01 → 2025-06-30¥7.4bn
Iodine Businessreportable segmentrevenue external2025-01-01 → 2025-06-30¥7.4bn
Iodine Businessreportable segmentrevenue intersegment2025-01-01 → 2025-06-30¥52m
Iodine Businessreportable segmentsegment profit2025-01-01 → 2025-06-30¥4.3bn
—segment totalrevenue2025-01-01 → 2025-06-30¥44.2bn
—segment totalrevenue external2025-01-01 → 2025-06-30¥44.1bn
—segment totalrevenue intersegment2025-01-01 → 2025-06-30¥193m
—segment totalsegment profit2025-01-01 → 2025-06-30¥7.8bn
Total Of Reportable Segments And Otherssegment totalrevenue2025-01-01 → 2025-06-30¥48.9bn
Total Of Reportable Segments And Otherssegment totalrevenue external2025-01-01 → 2025-06-30¥48.5bn
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2025-01-01 → 2025-06-30¥328m
Total Of Reportable Segments And Otherssegment totalsegment profit2025-01-01 → 2025-06-30¥8.2bn

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

All source rows · 470
ItemContextValueUnit
Net salesInterimDuration47937000000JPY
Operating incomeInterimDuration_jpcrp040300-ssr_E30048-000GasBusinessReportableSegmentsMember3370000000JPY
Operating incomeInterimDuration_jpcrp040300-ssr_E30048-000IodineBusinessReportableSegmentsMember4690000000JPY
Operating incomeInterimDuration_ReportableSegmentsMember8060000000JPY
Operating incomeInterimDuration_OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember342000000JPY
Operating incomeInterimDuration_TotalOfReportableSegmentsAndOthersMember8402000000JPY
Operating incomeInterimDuration_ReconcilingItemsMember-1798000000JPY
Operating incomeInterimDuration6604000000JPY
Document title cover pageFilingDateInstant
Original text (Japanese)半期報告書
Clause of stipulation cover pageFilingDateInstant
Original text (Japanese)金融商品取引法第24条の5第1項の表の第1号
Place of filing cover pageFilingDateInstant
Original text (Japanese)関東財務局長
Filing date cover pageFilingDateInstant2026-08-13
Semi annual accounting period cover pageFilingDateInstant
Original text (Japanese)第13期中(自 2026年1月1日 至 2026年6月30日)
Company name cover pageFilingDateInstant
Original text (Japanese)K&Oエナジーグループ株式会社
Company name in english cover pageFilingDateInstantK&O Energy Group Inc.
Title and name of representative cover pageFilingDateInstant
Original text (Japanese)代表取締役 社長執行役員 緑 川 昭 夫
Address of registered headquarter cover pageFilingDateInstant
Original text (Japanese)千葉県茂原市茂原661番地
Telephone number address of registered headquarter cover pageFilingDateInstant
Original text (Japanese)0475(27)1011(代表)
Name of contact person address of registered headquarter cover pageFilingDateInstant
Original text (Japanese)総務部マネージャー 石 田 広 成
Nearest place of contact cover pageFilingDateInstant
Original text (Japanese)千葉県茂原市茂原661番地
Telephone number nearest place of contact cover pageFilingDateInstant
Original text (Japanese)0475(27)1011(代表)
Name of contact person nearest place of contact cover pageFilingDateInstant
Original text (Japanese)総務部マネージャー 石 田 広 成
Place for public inspection cover page (text)FilingDateInstantText · Plus
Edinet codeFilingDateInstantE30048
Fund codeFilingDateInstant-
Security codeFilingDateInstant16630
Filer name in japaneseFilingDateInstant
Original text (Japanese)K&Oエナジーグループ株式会社
Filer name in englishFilingDateInstantK&O Energy Group Inc.
Fund name in japaneseFilingDateInstant-
Fund name in englishFilingDateInstant-
Cabinet office ordinanceFilingDateInstant
Original text (Japanese)企業内容等の開示に関する内閣府令
Document typeFilingDateInstant
Original text (Japanese)第四号の三様式
Accounting standardsFilingDateInstantJapan GAAP
Whether consolidated financial statements are preparedFilingDateInstanttrue
Industry code when consolidated financial statements are prepared in accordance with industry specific regulationsFilingDateInstantcte
Industry code when financial statements are prepared in accordance with industry specific regulationsFilingDateInstant-
Current fiscal year start dateFilingDateInstant2026-01-01
Current period end dateFilingDateInstant2026-06-30
Type of current periodFilingDateInstantHY
Current fiscal year end dateFilingDateInstant2026-12-31
Previous fiscal year start dateFilingDateInstant2025-01-01
Comparative period end dateFilingDateInstant2025-06-30
Previous fiscal year end dateFilingDateInstant2025-12-31
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

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 2025-12-31pass rounding
balance sheet identityconsolidated 2026-06-30pass rounding
dei present pass
period resolution pass
statement vs summary · net assetsconsolidated 2025-12-31pass
statement vs summary · net assetsconsolidated 2026-06-30pass
statement vs summary · net income attributable to parentconsolidated 2025-01-01/2025-06-30pass
statement vs summary · net income attributable to parentconsolidated 2026-01-01/2026-06-30pass
statement vs summary · operating cash flowconsolidated 2025-01-01/2025-06-30pass
statement vs summary · operating cash flowconsolidated 2026-01-01/2026-06-30pass
statement vs summary · revenueconsolidated 2025-01-01/2025-06-30pass
statement vs summary · revenueconsolidated 2026-01-01/2026-06-30pass
statement vs summary · total assetsconsolidated 2025-12-31pass
statement vs summary · total assetsconsolidated 2026-06-30pass