It expects the array to provide enough electricity for 7,000 homes.
It did not disclose additional details about the project .
The Tokyo-based developer — which was set up by Goldman Sachs in five years ago to invest roughly ¥300 billion ($2.8 billion) in renewables through 2017 — currently operates 123.5 MW of solar capacity at 22 locations in Japan.
Its bigger PV projects include a 16.8 MW installation in Wakayama prefecture and a 39.2 MW array in Mito, Ibaraki prefecture.
In 2013, JRE became one of the first developers in Japan to secure non-recourse project financing for a solar project, with a ¥10 billion loan from Shinsei Bank to back the development of the Mito installation.
Last September, it revealed plans to invest in 100 MW of solar capacity in Fukushima prefecture.