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Politics : Politics of Energy

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To: Eric who wrote (71497)	8/15/2016 11:12:10 AM
From: TimF	of 86350

Actually very little storage is required to operate a robust and reliable grid. If your electricity is almost all from solar and wind (and even more so if its almost all from just one of those), that isn't really true. And even for lower percentages, when storage isn't needed because you have other sources, lack of storage means you are relying on other sources. If you want to maximize the solar or wind production (because of feed in tariffs, tax credits or whatever), you can wind up wasting other power sources (coal plant running at a low level without actually producing anything, letting water past the dam without using it to produce electricity etc. So even at lower levels of solar and wind production, lack of storage makes the production from solar and wind (and any other source that can't be relied on) worth less per kw/h. I've been engineering and installing RE systems for over forty years with my business. OK, that would be personal experience that would tend to lead you to know information, like EROI. But its still only modestly relevant (as opposed to irrelevant like having your own solar installation), since you don't need such experience to have that information.

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