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A comment on Wind now competes with fossil fuels, and solar almost does. Parent comment

Re:Wind now competes with fossil fuels, and solar almost does by DannoHung on Friday October 09, 2015 @02:16AM (#10358445)
Are physical potential energy storage systems completely impractical?

Flywheels, compressed air, gravity storage?

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Re:Wind now competes with fossil fuels, and solar almost does by afarrell on Friday October 09, 2015 @02:47AM (#10358527)
Of those, I believe only gravity storage (at facilities like Blenheim-Gilboa) are currently in use.
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Re:Wind now competes with fossil fuels, and solar almost does by jerven on Friday October 09, 2015 @04:15AM (#10358738)
Flywheels are as well. But at a much smaller scale than gravity storage.
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Re:Wind now competes with fossil fuels, and solar almost does by afarrell on Saturday October 10, 2015 @07:07PM (#10367350)
Oh I wasn't aware. Link?
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Re:Wind now competes with fossil fuels, and solar almost does by jerven on Monday October 12, 2015 @07:29AM (#10373826)
http://beaconpower.com/operating-plants/ but there are others, some even quite old. More often selected for niche reasons than market peak load balancing. e.g. site one at long end line of insufficient frequency stability.
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