Contact details  

Name	Cosmo Eco Power
Country	Japan
Website	https://cosmo.eco-power.co.jp/
Address	TOC Osaki Bldg.#1, 1-6-1 Osaki, Shinagawa-ku, Tokyo Japan #141-0032

Portfolio summary (*)  

The values below are taken from The Wind Power wind farm database. They are not official figures and may differ from the official data.

The 'MW' and 'Turbines' values do not take into account possible co-developments, co-management arrangements or joint ownership. For example, a wind farm in which the company owns a 50% stake is counted here in its entirety.

Role	Winfarms	MW	Turbines
As developer
As operator
As owner

Winfarms  

• Country	Name	DOpOw (**)	Total rated power (kW)	Number of turbines
  Japan	Akita Araya (dismantled)
  Japan	Akita Araya
  Japan	Akita Araya
  Japan	Atsuta
  Japan	Choshi
  Japan	Chuki
  Japan	Goto-Kishiku (dismantled)
  Japan	Goto-Kishiku (dismantled)
  Japan	Hasaki
  Japan	Hasaki
  Japan	Hasaki
  Japan	Hasaki
  Japan	Hassakubana
  Japan	Hebiura (dismantled)
  Japan	Himegami
  Japan	Himekami
  Japan	Hirogawa-Hidakagawa
  Japan	Hiyama - Cosmo
  Japan	Ikata
  Japan	Ishikari Bay Cosmo Eco Power
  Japan	Ishikari Bay New Port
  Japan	Iwata
  Japan	Iwaya (dismantled)
  Japan	Iwaya (dismantled)
  Japan	Kamiyuuchi
  Japan	Kuzumaki
  Japan	Matsumae (dismantled)
  Japan	Matumaetyou
  Japan	Mutsu-Ogawara (dismantled)
  Japan	Nemuro

• Country	Name	DOpOw (**)	Total rated power (kW)	Number of turbines
  Japan	Noheji (dismantled)
  Japan	Ohita
  Japan	Oiwake-Souran (dismantled)
  Japan	Reuke
  Japan	Rumoi
  Japan	Rumoi
  Japan	Rumoi
  Japan	Sakata Port
  Japan	Sakata Port
  Japan	Sakata Port
  Japan	Shimamaki
  Japan	Sodegaura
  Japan	Tachikawa
  Japan	Tachikawa
  Japan	Track of Akita Airport
  Japan	Wakamatsu
  Japan	Wakkanai
  Japan	Wakkanai
  Japan	Watarai
  Japan	Watarai

	Databases     Developers (2,684 entries) Operators (2,583 entries) Owners (3,189 entries) All players (5,747 entries) All databases

	Major wind farms Shimamaki (1,000,0 MW) Ishikari Bay Cosmo Eco Power (1,000,0 MW) Hiyama - Cosmo (1,000,0 MW) Watarai (50,0 MW) Kamiyuuchi (49,4 MW) Chuki (48,3 MW) Hirogawa-Hidakagawa (20,0 MW) Ikata (18,0 MW) Himegami (18,0 MW) Himekami (18,0 MW) Hasaki (16,2 MW) Wakamatsu (16,0 MW) Iwata (15,0 MW) Ohita (14,0 MW) Choshi (10,5 MW) Sakata Port (10,5 MW) Akita Araya (9,2 MW) Ishikari Bay New Port (6,6 MW) Reuke (3,0 MW) Rumoi (2,4 MW)

	Legend #ND: no data (*) : according to The Wind Power database (**) : Developer / Operator / Owner

	Update for this sheet 20 January 2026