Japan is a big country and golf was at the time a popular game in the land of the rising sun.
With time, many golf courses were built to attract people to live in some areas, however the plan didn’t go so well.
After a 40% decrease in the popularity of the sport, ‘Kyocera’ (multinational electronics and ceramics manufacturer) decided to turn those huge fields into solar power plants.

Solar Plants in Japan
Source: Business Insider