feed-in tariff system; fixed price purchase system
A policy mechanism, often for renewable energy, where utilities are obligated to purchase electricity at a fixed price for a set period. Commonly abbreviated as FIT.
In Japan, the feed-in tariff system was introduced in 2012.
固定価格買取制度のおかげで太陽光発電が急速に普及した。
Thanks to the feed-in tariff system, solar power generation spread rapidly.