But as the ¥22bn ($185m) project enters its second phase, with the installation of two 7MW Mitsubishi Heavy Industries (MHI) turbines this year, the developers are still wondering how to reduce its hefty price tag.

Fukushima is a good start to demonstrate [Japan’s] capability to the world,” says Yukinobu Uchida, Japan manager at DNV GL. “But of course, the consortium is also under pressure — failure is not really acceptable.