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2026-03-31
Press Release Cosmo Energy HoldingsCosmo Eco Power and Cosmo Energy Solutions Sign Physical PPA Covering Tokyo Metro Comprehensive Learning and Training Center~Hourly Matching Enabled by Combining Onshore Wind and Agrivoltaic Power Sources~
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2026-03-30
Press Release Cosmo Energy HoldingsCosmo Energy Holdings Joins the MIT Industrial Liaison Program (MIT ILP) ~Expanding Global Technology Discovery Networks to Accelerate New Business Creation~
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2026-03-26
Press Release Cosmo Energy Holdings Cosmo Oil MarketingCosmo Oil Marketing Signs Comprehensive Regional Partnership Agreement with Kanuma City in Support of its Efforts to Become a Zero Carbon City
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2026-03-25
Press Release Cosmo Energy HoldingsCosmo Eco Power Enters into Corporate PPA with Saison Technology~Achieving 100% Renewable Energy Usage with Green Electricity Generated at Aizu-Wakamatsu Wind Farm~
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2026-03-19
Press Release Cosmo Energy Holdings IR IR EventPostponement of the Announcement of the 8th Consolidated Medium-Term Management Plan
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2026-03-31
Cosmo Energy HoldingsCosmo Eco Power and Cosmo Energy Solutions Sign Physical PPA Covering Tokyo Metro Comprehensive Learning and Training Center~Hourly Matching Enabled by Combining Onshore Wind and Agrivoltaic Power Sources~
-
2026-03-30
Cosmo Energy HoldingsCosmo Energy Holdings Joins the MIT Industrial Liaison Program (MIT ILP) ~Expanding Global Technology Discovery Networks to Accelerate New Business Creation~
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2026-03-26
Cosmo Energy Holdings Cosmo Oil MarketingCosmo Oil Marketing Signs Comprehensive Regional Partnership Agreement with Kanuma City in Support of its Efforts to Become a Zero Carbon City
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2026-03-25
Cosmo Energy HoldingsCosmo Eco Power Enters into Corporate PPA with Saison Technology~Achieving 100% Renewable Energy Usage with Green Electricity Generated at Aizu-Wakamatsu Wind Farm~
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2026-03-19
Cosmo Energy Holdings IR EventPostponement of the Announcement of the 8th Consolidated Medium-Term Management Plan
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2026-03-19
IRPostponement of the Announcement of the 8th Consolidated Medium-Term Management Plan
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2026-03-12
IRNotice of Acquisition Results of Treasury Shares and Completion of Share Repurchases (Acquisition of Treasury Shares Pursuant to the Provisions of the Articles of Incorporation Pursuant to Paragraph 3 of Article 165 of the Companies Act)
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2026-03-02
IRNotice Regarding Progress on the Stock Repurchase (Repurchases of Shares of the Company’s Own Stock in Accordance with the Provisions of Articles of Incorporation Pursuant to Article 165, Paragraph 2 of the Companies Act)
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2026-02-10
SettlementFY2025 3Q Financial Results Explanatory Meeting -Q&A (PDF/118K)
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2026-02-10
SettlementArchived Net Conference
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2026-03-19
IR EventPostponement of the Announcement of the 8th Consolidated Medium-Term Management Plan
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2026-03-12
IR EventNotice of Acquisition Results of Treasury Shares and Completion of Share Repurchases (Acquisition of Treasury Shares Pursuant to the Provisions of the Articles of Incorporation Pursuant to Paragraph 3 of Article 165 of the Companies Act)
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2026-03-02
IR EventNotice Regarding Progress on the Stock Repurchase (Repurchases of Shares of the Company’s Own Stock in Accordance with the Provisions of Articles of Incorporation Pursuant to Article 165, Paragraph 2 of the Companies Act)
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2026-02-10
SettlementFY2025 3Q Financial Results Explanatory Meeting -Q&A (PDF/118K)
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2026-02-10
SettlementArchived Net Conference
Company
Striving for an infinite tomorrow,
developing sustainably in harmony
with humanity, society, and our planet.
Our Initiatives
Building a “sustainable and prosperous society” by providing energy that meets today’s needs.
Making great strides toward new forms of “energy” that go beyond petroleum.
