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。

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This week, I’m reading about a lithium ion-based energy storage grid in Johnson City, N.Y.

本周，我关注着在纽约州约翰逊市进行的一项基于锂离子的储能网络研究。

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Merkel also stressed that the country's energy supply chain needs a new structure, based on greater investment in renewable energies, efficiency gains and overhauling the electricity grid.

默克尔还强调国家的能源供应链需要重建新结构，要以可再生能源，效率提高快和重建整个电网为基础。

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Despite all the talk of grid-based energy storage, the least expensive solution to the variability of wind and solar power is geographic dispersion, according to Leo Casey, Chief Technology Officer of Boston-based inverter company Satcon Technology, (NASD:SATC) speaking at the Building Energy 11 conference in Boston on March 9th.

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Did you know that new renewable energy capacity outpaced gas, coal, nukes and oil based additions to the grid since January in the USA?

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Thanks to its commitment to renewable energy, Hawaii is now also becoming something of a test bed for renewable energy technologies, from the study of various geothermal and algae-based biofuel technologies happening at the Natural Energy Laboratory of Hawaii Authority on the Big Island to smart grid experiments the state is conducting along with representatives from Japan and China.

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