puzzling performance [RE-wrenches]
Jeff Clearwater, Village Power Design
clrwater at earthlink.net
Mon Jan 5 12:01:45 PST 2004
<x-flowed>
Hi Chris,
Haven't downloaded the December numbers yet - that 1800 was Sept to Sept.
But do remember this is single axis horizonatal tracking so sun
hours/day of 5.35 would be pretty conservative for a tracking array.
Best,
Jeff C.
>Jeff Clearwater, Village Power Design wrote:
>> I had predicted 2050 KWh/month for the Glen Ivy (Corona - near
>> Riverside) 11.2 KW (STC) plant (has single axis tracking). In
>> actuality we harvested just under 1800 KWh/month.
>
>So that works out to:
>
>1800 kWH per month / 30 days / 11.2 kW = 5.35 peak sun hours
>
>Pretty good performance considering were using the STC rating for the PV
>array. I guess it never does rain in southern california...
>
>What was the december performance like?
>
>Christopher Freitas
>OutBack Power Systems, Inc.
>cfreitas @ outbackpower.com
>www.outbackpower.com
>Arlington WA USA
>Tel 360 435 6030
>
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--
~~~~~~~~~~~~~
Jeff Clearwater
Village Power Design Associates
Sustainable Energy & Water Solutions for Home & Village
http://www.villagepower.com
gosolar at villagepower.com
877-SOLARVillage
413-256-6777, Fax 413-825-0372
61 Baker Rd
Shutesbury, MA 01072
PO Box 115
Boonville, CA 95415
707-895-9015, Fax 707-897-0024
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