On Fri, 15 Apr 2011 10:21:37 +0100, Invisible wrote:

> Wind power is great. But... do you really want the whole country to go
> black every time the wind stops blowing? Similarly, solar power. You
> realise that the sun is below the horizon for hours at a time, right?
> And some days, it's just not very sunny. For either of these things to
> work, you seriously need high-efficiency power storage, so you can
> collect power when it's there, and store it for when it's not.

And most solar collection and all wind powered systems I've seen actually 
include that storage subsystem.

Jim

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