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Location of the 33MW Ohorayama wind farm in Kochi Prefecture, Japan.

First project financed wind farm in Japan

Achieving project finance for the 33MW Ohorayama wind farm located in Kochi Prefecture.

ClientGreen Power Investment /
Bank of Tokyo Mitsubishi UFJ /
Sumitomo Mitsui Banking Corporation /
Sumitomo Mitsui Trust Holdings
ExpertiseLender's engineer/technical advisor


Our role as independent engineer involved conducting due diligence and providing a comprehensive report reviewing all technical aspects of the project.


We reviewed financial, technical and environmental assumptions made by the sponsor, and carried out a technology assessment to learn the design and certification status for the proposed wind turbine generator. We also assessed the contract for supply of wind turbines.

We made several recommendations to improve specific terms in several contracts. We provided the lenders with several scenarios to be analysed in the economic model for the lenders to evaluate down-side cases.


With the support and information provided by our team, the lenders were able to close the financing within the sponsor’s timeline. Ohorayama wind farm successfully achieved financial close and is now under construction.

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