how much useable energy can you get from a 4kw solar panel?

Some supppliers rate their solar panels as typically;- "nominal 4 kw output" (for a pair of panels) This is as uninformative as statements that a windmill farm will supply so many houses with electricity. Windmills deliver about 30% of their rated output over time.

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2 Responses to “how much useable energy can you get from a 4kw solar panel?”

  1. joomlach - January 15th, 2010

    Look at this site, it should give you all the info you require.
    http://www.solarenergyalliance.com/pdf/solar_pv.pdf

  2. how much useable energy can you get from a 4kw solar panel? | Blog … | Future of Solar Panels - January 19th, 2010

    [...] original post here: how much useable energy can you get from a 4kw solar panel? | Blog … Share and [...]

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