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DIY PV System to Save Money AND for SHTF
1 November 2012, 14:16,
#9
RE: DIY PV System to Save Money AND for SHTF
Using figures from a professional solar installer suggests that a 4kW system would provide about 3300kWh/year with 'typical' UK sunlight.
Scaling would suggest your 640W system would provide a littler over 500kWh/year.
Either they're being optimistic or my test system was performing below par.

Solar still isn't cost effective compared to buying electricity generated from burning oil and gas but the cost of fuel continues to creep up and the cost of solar continues to creep down … some day it will be.
Doctor Prepper: What's the worst that could happen?
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DIY PV System to Save Money AND for SHTF - by Tarrel - 31 October 2012, 00:28
RE: DIY PV System to Save Money AND for SHTF - by Skvez - 1 November 2012, 14:16

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