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Established with the aim of developing wind farms and conducting power sales business through wind power generation in Nishi-Shimbashi, Minato-ku, Tokyo
Established IOs Service Co., Ltd.
Listed on the Tokyo Stock Exchange Mothers Market
Established IOs Energy Management Co., Ltd.
Celebrating the 10th anniversary
Changed market to the Second Section of the Tokyo Stock Exchange due to market selection
Becoming a wholly owned subsidiary of JWD Holdings Co., Ltd. and delisting
Notice of Tokyo headquarters relocation
Establishment of 'Akita Offshore Wind Service (AOWS)'
Celebrating the 20th anniversary
Concluded an agreement with Akita Prefectural University for training offshore wind power experts and contributing to the local community
Formation of a consortium for joint development of two offshore wind power projects off the coast of Akita Prefecture
Notice of Year-End and New Year Holidays: December 29, 2020 (Tuesday) to January 3, 2021 (Sunday)
Notice of Akita Office Relocation
Notice of Establishment of General Incorporated Association Renewable Energy Regional Activation Association
Relocated headquarters to current location
Participated in the Aomori Nebuta Festival as 'Ni-gumi / Japan Wind Power Development Group'
Regarding utilization and donation of goods of former elementary school in Yokohama Town, Aomori Prefecture, in collaboration
Notice of the end of the public viewing and comment period for the
Regarding the certification of the offshore wind power generation project plan within the Odori Port area (FIT certification)
We provided earthquake disaster relief funds to Suzu City, where earthquake damage was concentrated.
Regarding the Mutsu Bay offshore wind power generation project off Yokohama and Noheji (within joint fishing rights)
Notice of closure due to the anniversary of founding (July 26)
Became a wholly owned subsidiary of Infrolia Holdings Co., Ltd.
Notice of the end of the public comment period for the
Notice of the end of the public comment period for the "(Provisional Name) Tomain Wind Power Generation Project Environmental Impact Assessment Method Document"
Notice of the end of the public comment period for the "(Provisional Name) Kikonai Wind Power Generation Project Environmental Impact Assessment Method Document"
Notice of the end of the public comment period for the "(Provisional Name) Oomura Wind Power Generation Project Environmental Impact Assessment Method Document"
About the cause of the collapse of towers 1-3 at Rokkasho Village Wind Power Plant and the safety verification method of existing wind turbines
Report on the current status of our power plants regarding the "Reiwa 6 Noto Peninsula Earthquake"
Notice regarding personnel changes of our officers
Corporate Governance Report / Infronia Holdings
Regarding reporting to the Ministry of Economy, Trade and Industry
Regarding guidance from the Ministry of Economy, Trade and Industry
Notice of holiday due to Foundation Day (July 26)
Notice of changes in our officers
Report on Corporate Governance / Infronia Holdings
Notice of Completion of Acquisition of Shares of Watering Inc. (Full Subsidiary) / Infronia Holdings
Notice of Revision of Performance-Linked Stock Compensation System / Infronia Holdings
Notice of Disposal of Treasury Stock as Restricted Stock Compensation / Infronia Holdings
Notice of Closure for Founding Anniversary (July 27)
The power plant is currently shut down. On November 7 and 8, a resident briefing was held to explain the accident overview and future measures. On November 10, firefighters and police conducted on-site inspections, and the policy moving forward is to prioritize safety while proceeding with demolition work and investigations. We deeply apologize for the inconvenience and trouble caused to nearby residents.
Today (November 11), Infrawania Holdings Co., Ltd. announced the disclosure of the 2027 Q2 financial summary and FACT BOOK. Details can be confirmed on the company's website.
Today (November 11), Infornia Holdings Co., Ltd. announced the "Notice of Revision to Consolidated Earnings Forecast." Details are posted on the company's website.
Today (November 11), Infronia Holdings Co., Ltd. released the Q2 2027 March financial results presentation. Details can be confirmed on the company's website.
Infronia Holdings Co., Ltd. announced today (November 11) that it will adjust the conversion price of its 2029 maturity Euro-Yen convertible bond with stock purchase rights (Green CB). Details are posted on the company's website.
Today (November 11), Infronia Holdings Co., Ltd. released its sixth period half-year report. Details can be confirmed on the company's website.
For reasons of operational efficiency, the Aomori Office and Tsugaru Office will close at the end of October 2026. Both offices’ operations will continue at the head office. If you have any questions, please contact us via the “Contact Us” page on our website.
Infroania Holdings Inc. announced that it will adjust the conversion price of its 2029 maturity Euro-Yen convertible bond with warrants (Green CB). Details can be found on the company's website.
The power plant is currently shut down. To prevent secondary disasters, access to the surrounding area is partially restricted. The restriction area will be reduced once the maintenance measures are in place. We deeply apologize for any inconvenience and trouble caused.
At approximately 11:30 today, a fire broke out at Unit 2 of the Higashi-Okawa Wind Power Plant, and it is currently under control. The cause is under investigation, and we will inform you as soon as details become available. We deeply apologize for the inconvenience and concern caused to those involved.