Vena Energy-affiliated NWE-12 Investment LLC completed the environmental impact assessment for a 52MW onshore wind project in Hamada City, Shimane Prefecture. It submitted the final assessment document on July 3 and received METI approval on July 17, 2025.
According to the document released for public viewing on September 1, 2025, the company plans to install eight 6.5MW turbines across approximately 258ha. It plans to limit their combined output to 50MW due to grid connection constraints. Construction of the project is scheduled to begin in November 2025, with trial operations commencing in December 2027. COD is planned for July 2028.
METI data shows the project was certified under the feed-in-tariff scheme at the end of FY2017, when 20kW and larger onshore wind power plants were offered 20-year, 21 yen per kWh contracts.
The developer launched the environmental impact assessment process in September 2017 through a separate special purpose company, NWE-09 Investment LLC. The project, originally planned as an up to 54MW power plant, was downscaled to its current size and transferred to NWE-12 Investment from the draft EIA report stage, reached in January 2024.
Several other onshore assets are in operation and under development in the area. Among others, Green Power Investment commissioned the 48.4MW Wind Farm Hamada in December 2015. It submitted a draft EIA report for its up to 56MW replacement in January 2023. Shimane Prefecture brought online the 20.7MW Gotsu-Takanoyama Wind Power Plant in January 2009 and Asia Wind Power completed the EIA for the up to 54MW Masuda-Hikimi in March 2024.
Vena Energy operates about 30 solar power plants and two onshore wind farms in Japan, including the 36MW Nakasato in Aomori Prefecture and the 7.5MW Reihoku in Kumamoto Prefecture. It has multiple other wind projects, such as the up to 40MW Shimookeuri and the 69MW Nishiyama undergoing the EIA process. In August 2025, the company said its portfolio of operational, under-construction, and contracted assets in Japan reached 2.4GW.
