Electricity sales business from wind power generationManagement and management guidance of wind power generation business, including joint venturesCollection, processing, analysis, and examination of data related to wind direction, wind speed, noise, etc., and contract workOperation of wind farms and contract workMaintenance, repair of wind power equipment and contract workConsulting servicesAggregation services business
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Network
NETWORK
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History
64 EVENTS
Commercial operation started for the 400kW two-unit wind farm (Third Sector) by Yamagata Wind Power Research Institute Co., Ltd. (now Tachikawa Wind Power Research Institute Co., Ltd.)
Establishment of Eco Power Co., Ltd. (Capital 40 million yen, Marunouchi, Chiyoda-ku, Tokyo)
Capital increase through third-party allocation (Capital 1,440,150,000 yen)
Established
Capital increase through third-party allocation (Capital 1,740,150,000 yen; Ereba Manufacturing Co., Ltd. becomes the leading shareholder)
Commercial operation started for Rumoi Wind Farm (400kW two units) and Jaraura Wind Farm (400kW one unit)
Commercial operation started for Nobechi Wind Farm (400kW two units)
Commercial operation started for Goto Gishuku Wind Power Research Institute Co., Ltd. wind farm (400kW two units, Third Sector) and Akita Wind Power Research Institute Co., Ltd. wind farm (400kW two units)
Commercial operation started for Wakkanai Wind Power Research Institute Co., Ltd. wind farm (400kW two units), Iwaya Wind Farm (400kW two units), and Oikawa Solar Wind Farm (400kW two units)
Commercial operation started for Orolon Wind Farm (400kW two units)
Commercial operation started for Hanzaki Wind Farm (600kW two units)
Commercial operation started for Goto Gishuku Wind Power Research Institute Co., Ltd. wind farm (400kW one unit expansion, Third Sector)
Commercial operation started for Matsumae Wind Farm (400kW two units)
Commercial operation started for Tachikawa Wind Power Research Institute Co., Ltd. wind farm (600kW two units expansion)
Eco-World Kuzumaki Wind Power Generation Co., Ltd. Sodeyama Highland Wind Power Plant (400kW 3 units, Third Sector) Commercial operation started
Head office relocated to Minato Ward, Tokyo
Rumoi Wind Power No. 2 Power Plant (400kW 4 units) Commercial operation started
Tachikawa Wind Power Research Institute Co., Ltd. Wind Power Plant (600kW 2 units, expansion) Commercial operation started
Setana Marine Town Wind Power Plant (600kW 2 units) Commercial operation started
Akita Wind Power Research Institute Co., Ltd. Akita Araya Wind Farm (750kW 8 units) Commercial operation started
Nemuro Cape Biba Wind Power Plant (750kW 1 unit) Commercial operation started
Atsuta Wind Power Plant (450kW 2 units) Commercial operation started
Wakkanai Wind Power Co., Ltd. (750kW 2 units) Commercial operation started
Reiju Wind Power Plant (740kW 4 units) Commercial operation started
Established a 24-hour management office in Rokkasho Village, Aomori Prefecture
Mutsu-Ogawara Wind Farm (1,500kW 22 units) Commercial operation started
Iwaya Wind Park (1,500kW 18 units) Commercial operation started
Received the Minister of the Environment Award for Global Warming Prevention Activities in FY 2003 (Technology Promotion and Introduction Division)
Third-party allotment of shares by Kansai Electric Power Co., Inc. (Capital: 2,240,151,500 yen)
Hasaki Wind Farm (1250kW 12 units) Commercial operation started
Established
Start of commercial operation of the Tomisato Wind Power Plant (1,500kW, 1 unit)
Start of commercial operation of the Choshi Wind Farm (1,500kW, 7 units)
Acquisition of Wind Service Inc., a company specializing in wind power equipment maintenance services
Capital increase (Capital: 3,739,858,550 yen)
Relocated headquarters to Minami-Oi, Shinagawa-ku, Tokyo
Merged with Wind Service Co., Ltd.
Start of commercial operation of Iwata Wind Farm (3,000kW, 5 units)
Capital increase (Capital: 6,164,850,000 yen)
Cosmo Oil Co., Ltd. becomes the top shareholder through share transfer
Relocated headquarters to Osaki, Shinagawa-ku, Tokyo
Capital increase (Capital: 7,164,800,000 yen)
Cosmo Engineering Co., Ltd. becomes the top shareholder through share transfer
Acquired Sakata Port Wind Power Plant (1,500kW, 1 unit) from Cosmo Oil
Absorbed and merged with Hasaki Wind Farm Co., Ltd.
Start of commercial operation of Aizu Wakamatsu Wind Farm (2,000kW, 8 units)
Start of commercial operation of Akita Wind Power Laboratory and Akita Araya Wind Power Plant (1,990kW, 1 unit)
Abolished Tachikawa Wind Power Plant No. 1 and No. 2 (400kW, 2 units)
Operation of Watarai Wind Farm Phase 1 Area (2,000kW, 14 units)
Operation of Sakata Port Miya Sea Wind Power Plant (3,000kW, 2 units) and Sakata Port Ohama Wind Power Plant (3,000kW, 1 unit)
Operation of Ishikari Bay New Port Wind Power Plant (3,300kW, 2 units)
Cosmo Energy Holdings Co., Ltd. becomes the top shareholder through share transfer
Operation of Watarai Wind Farm Phase 2 Area (2,000kW, 11 units)
Operation of Hiyama Wind Park (2,000kW, 9 units)
Changed company name to "Cosmo Eco Power Co., Ltd."
Operation started at Goto Hachisaku Nose Wind Power Plant (1,200kW, 1 unit)
Operation started at Naka-Naki Wind Farm (2,100kW, 23 units)
Operation started at Noshiro Port Offshore Wind Power Plant (4,200kW, 20 units)
Operation started at Akita Port Offshore Wind Power Plant (4,200kW, 13 units)
Operation started at Akita Araya Wind Farm (Replacement) (3,600kW, 2 units)
Operation started at Kami-Yu-chi Wind Farm (4,300kW, 12 units)
Operation started at Oita Wind Farm (3,200kW, 5 units)
Operation started at Shin-Iwaya Wind Park (4,300kW, 7 units)
Operation started at Shin-Mutsu Ogawara Wind Farm (4,300kW, 8 units)
§07
News
28 ARTICLES
AssoRA signs a Corporate PPA
Cosmo Eco Power and AssoRA have signed a 20-year corporate PPA for a 1.6 MW solar power plant under development in Hachinohe City, Aomori Prefecture. As an aggregator, Cosmo Eco Power will procure the renewable energy electricity and environmental value from the plant, centrally manage and operate the distributed power source, and supply it to customers. This is the first time the company has procured power from a solar plant in the Tohoku region as part of its aggregation service business.
Cosmo Eco Power and Taiheiyou Metal Sign Locally Produced and Consumed Physical PPA
Cosmo Eco Power Co., Ltd. and Taiheiyou Metal Co., Ltd. have signed a physical PPA to supply renewable energy generated at the Shin-Iwaya Wind Park in Aomori Prefecture. Supply will begin on October 1, 2026, and is expected to provide approximately 70 million kWh of electricity and environmental value to consumers within Aomori Prefecture. This transaction is the first locally produced and consumed PPA undertaken by Cosmo Eco Power.
Exhibited at REIF Fukushima 2026
Cosmo Eco Power exhibited at REIF Fukushima 2026, held on October 15-16, 2026. They introduced wind power projects within Fukushima Prefecture, the Aizuwakamatsu Wind Farm, and the "Running Museum", and conducted a first-time internal turbine inspection experience using VR goggles. They continue to value dialogue with the local community and are committed to promoting understanding of renewable energy and engaging in business activities rooted in the region.
Cosmo Eco Power Exhibits VR Booth at Shimamaki Village Autumn Festival
Cosmo Eco Power Co., Ltd. first exhibited a VR experience booth at the "Shimamaki Autumn Taste Festival" held in Shimamaki Village, Hokkaido, on October 3, 2026. The booth allowed visitors to virtually experience maintenance inspections of wind power equipment and the view from the top of a wind turbine, providing the experience to about 600 attendees. Participants expressed surprise at the scenery of the wind turbine and the difficulty of high-altitude work, and the understanding of wind power generation was said to have deepened.
Cosmo Eco Power conducts Clean Campaign in Kinosu
On September 26, 2026, the Cosmo Energy Group conducted a Clean Campaign in Kinosu City under the 'Cosmo Earth Conscious Act'. The event featured a pet bottle cap upcycling workshop, a wind power demonstration, a quiz contest, and a talk session. The beach clean-up was canceled due to rain and wind, but participants discussed future environmental and energy issues. The group pledged to continue promoting wind power generation.
Draft Environmental Impact Assessment for Sasebo Kazamachi Wind Farm Published
The draft environmental impact assessment for the proposed Sasebo Kazamachi Wind Farm has been published and will be available for public inspection from October 16 through November 16, 2026. It describes the project's purpose and details, along with the assessment results. The document may be viewed but cannot be downloaded or printed.
Environmental Impact Assessment Report for Oita Wind Farm Project Published
Cosmo Eco Power Co., Ltd. published the environmental impact assessment report for its Oita Wind Farm Project under the Environmental Impact Assessment Act. The report is available for public viewing from September 28 to October 27, 2026, and covers the project’s environmental surveys and conservation measures.
Wind Power Outreach Lesson Held for Kuromatsunai Elementary School Students
On September 5, 2026, Cosmo Eco Power Co., Ltd. held an outreach lesson on wind power for 36 elementary school students in Kuromatsunai, Suttsu District, Hokkaido. The lesson explained the structure of wind turbines and how wind energy is converted into electricity, and included a hands-on activity using a wind turbine craft kit. The children asked enthusiastic questions, making it an opportunity to learn about wind power in a familiar way.
Cosmo Eco Power Employee's Research Paper Published in Academic Journal
Research by an employee pursuing graduate studies at the University of Tokyo was published in the Journal of Japan Wind Energy Association. The study analyzes the relationship between wind turbine blade damage and load response, offering insights that can help assess wind power equipment and improve maintenance. It is expected to contribute to future monitoring technologies and greater reliability.
Cosmo Eco Power Participates in Itokuri-Kakegawa Minami Industrial Festival
Cosmo Eco Power Co., Ltd. took part in the Itokuri-Kakegawa Minami Industrial Festival, held in Kakegawa, Shizuoka Prefecture, on September 12, and displayed panels introducing its wind power business. At its booth, children and others built wind turbine kits and learned about how wind power works and the role of renewable energy. Conversations with visitors about their interest in and expectations for the Enshu Wind Power Plant and their views on local activities made the event a valuable opportunity for community engagement.
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Public records
GOV
National Tax Agency basic information1010701022043
Source: National Tax Agency Corporate Number Publication Site, basic three items
Trade name
コスモエコパワー株式会社
Trade name (kana)
コスモエコパワー
Name in English
Corporation type
301
Address
〒141-0032 東京都品川区大崎１丁目６番１号ＴＯＣ大崎ビルディング
Postal code
1410032
Prefecture code
13
City code
109
Address outside Japan
Prefecture in English
City in English
Address outside Japan in English
Corporate number assignment date
2015-10-05
Update date
2019-07-12
Change date
2019-07-08
Registry closure date
Reason for registry closure
Successor corporate number
Details of the change
Latest record
1
Excluded from search
0
Processing type
11
Correction type
0
Trade name image ID
Address image ID
Sequence number
1325859
METI gBizINFO1010701022043
Source: gBizINFO (Ministry of Economy, Trade and Industry)
