The renewables developer completed the installation in Aomori prefecture, northern Japan, on 1 October.
Mitsubishi Electric and SunPower supplied the solar panels, according to an online statement.
Tokyo-based Eurus Energy first announced plans to build the ¥49bn ($407.8m) project — which spans 253 hectares across two sites in the Mutsu-Ogawara industrial park in the village of Rokkasho, near the northernmost tip of the main Japanese island of Honshu — in May 2013.
The
