Mitsui & Co. Plant Systems will develop the projects — spanning all four of Japan’s main islands — one after another between March 2015 and March 2016.

It did not reveal PV module suppliers for the plan.

On the main island of Honshu, the planned projects include a 7.2MW site in Hokuto, Yamanashi prefecture, a 3.6MW array in Yamaguchi, Yamaguchi prefecture, and a 2.1MW