In Japan, where electricity is expensive, solar power is now fully cost-competitive with power from the grid, says Paul Maycock of PV Energy Systems, a consultancy based in Virginia.
弗吉尼亚州PV能源系统咨询公司（PV Energy Systems）的保罗?梅科恪列（Paul Maycock）说，日本的电力很贵，太阳能动力如今已完全能与电网电力等价消费。