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Scientists Demand Full Review of Ukushima Megasolar as Hokkaido Village Moves to Block Separate Site

A legal gap that excludes pre‑2020 solar plans from mandatory review is fueling demands for disclosure, prompting local land purchases to protect habitats.

Overview

  • The Japan Ecological Society’s Kyushu branch on Dec. 10 submitted a request urging conservation measures, a law‑aligned environmental impact assessment, and public disclosure with comment opportunities for the Ukushima project.
  • Ukushima Mirai Energy LLC, funded by Craftia and Kyocera, is building a roughly 480 MW facility that began construction in December 2023 with operation targeted in fiscal 2026.
  • Because the plan was declared before Japan’s 2020 EIA revision that mandates reviews for solar projects over 40,000 kW, the developer faces no statutory assessment requirement.
  • The company says it is conducting a voluntary assessment under expert guidance, but ecological researchers note that survey methods and results have not been published.
  • Separately on Dec. 11, Tsurui village in Hokkaido unanimously approved funds to buy about 7.5 hectares of private land to prevent a proposed megasolar near Kushiro Wetland, citing landscape protection and red‑crowned crane habitat, with negotiations and donations targeting about ¥3 million in total acquisition cost.