28 May '11, 11pm

去年の記事だけどスウェーデンの代替エネルギーについて Sweden to Build 2,000 New Wind Turbines, Aims for 50% Renewables by 2020 : TreeHugger

去年の記事だけどスウェーデンの代替エネルギーについて Sweden to Build 2,000 New Wind Turbines, Aims for 50% Renewables by 2020 : TreeHugger

Storage is THE Problem with Renewables The biggest challenge that I can think of is that the country doesn't have enough hydropower capacity to act as backup for when the wind doesn't blow and the sun doesn't shine, and as storage when there's a surplus of wind (mostly at night when demand is low). Maybe a deal with Norway, which has about 4 times more hydro, could help stabilize the grid and provide enough "on-demand" power. But Norway's grid might not have enough buffer capacity to do that... Otherwise, Sweden will either need to built more hydro (with large reservoirs for storage), more nuclear, or some natural gas power plants to act as backup. If they can avoid the gas plants, they should.

Full article: http://www.treehugger.com/files/2010/03/sweden-to-build-2...

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