Converting one-fifth of Japan's unused farmland to solar would generate 50 gigawatts, he says, which is equivalent to the peak output of TEPCO, Japan's largest electricity firm (and a quasi-monopoly).

他说，若把日本五分之一尚未开垦的农耕地用于日光发电，产生的电量将达到500亿瓦，相当于日本最大的电力公司TEPCO(系一家准垄断企业)的最大发电量。

youdao

Global solar electric sales grew 62% last year to 3.8 gigawatts (measured by peak output), according to market research firm Strategies Unlimited.

FORBES: Clean and Green