Iberdrola joins 600 MW offshore wind project in Japan March 17, 2021, by Adnan Durakovic Spanish energy company Iberdrola has signed an agreement with Japan’s Cosmo Eco Power and the engineering firm Hitz to jointly develop the 600 MW Seihoku-oki project in Aomori prefecture, in the northwest of Japan. The Seihoku-oki offshore wind farm, under development, will enter round two of the capacity auction planned by the Japanese government between this year and 2022. Following the transaction, subject to the usual regulatory approvals, the project will be led by Iberdrola and Cosmo Eco Power, with similar voting rights, together with Hitz. This is Iberdrola’s sixth offshore wind agreement since early 2020.