[GreenKeys] How much juice from a solar array?

[Richard Knoppow]

    The link to Wikipedia includes some storage techniques. Evidently 
batteries can be used as in a UPS system.

On 9/18/2016 1:35 PM, Jones, Douglas W wrote:
> From: tony.podrasky [tony.podrasky at gmail.com]  Sunday, September 18, 2016 12:13 PM
>> I'd say the parking lot is equal to 2 football fields.
>> Above the entire parking lot are huge solar panels.
>> Does anyone have an idea what kind of power that can
>> generate?
>
> Guestimate  .5 KWH per square meter. per day.  Guestinmate a football field at 5000 square meters,  This gives one WalMart parking lot worth of solar cells as approximately 5000 KWH per day.
>
> Given that an average US household uses just under 1000 KWH/month, this is enough to power about 150 houses -- assuming you can figure out how to store the excess daylight power in order to provide power on demand when the sun is down.  I guess you need to combine the solar cells with a pumped storage power plant or some such.  (Or just focus on ofsetting the air conditioning demand, which is mostly a daytime thing).
>
>                 Doug Jones
>                 jones at cs.uiowa.edu
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-- 
Richard Knoppow
1oldlens1 at ix.netcom.com
WB6KBL