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View Diary: A Better Battery Changes The World, Crossing The Alt-E Threshold (175 comments)

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  •  That much storage is wastefully expensive. (1+ / 0-)
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    JeffW
    A viable battery technology would allow a rooftop-size PV system to store enough energy for after dark, allowing the consumer to go off-grid or nearly so.
    Wind power is cheap, cheaper than solar.  It makes more economic sense for the consumer under that roof to feed the excess power into the grid for use by others, and take wind power generated elsewhere to cover nighttime demand.  All the consumer needs is enough battery reserve for a few hours, to cover power outages.  

    "My country, right or wrong; if right, to be kept right; and if wrong, to be set right." -- Sen Carl Schurz 1872

    by Calamity Jean on Tue Apr 29, 2014 at 02:12:40 AM PDT

    [ Parent ]

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