According to this article, construction of a large solar park is beginning in Yamaga.
A map included in the following Wikipedia article indicates that Kyushu has high potential for solar energy production:
https://en.wikipedia.org/wiki/Solar_power_in_Japan
A year or so ago, however, it looked like the Japanese government was trying to put the brakes on Japan's solar energy boom:
http://www.japantimes.co.jp/news/2016/07/14/national/sun-no-longer-shines-japans-solar-boom-subsidies-wane/
At any rate, I'm glad to see renewable energy being developed here.
-- Kirk
https://renewablesnow.com/news/smart-solar-breaks-ground-on-345-mw-solar-park-in-kumamoto-579294/
Smart Solar breaks ground on 34.5-MW solar park in Kumamoto
Aug 10 (Renewables Now) - Japanese company Smart Solar Corp announced recently the start of construction works on a photovoltaic (PV) plant of 34