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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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Solar Panel actual output over day/year versus theoretical output
I know only too well that a (for example) 250 watt solar panel doesn't
produce a continuous 250 watts for 24 hours a day every day of the year. There's those things call nights, not to mention dull winter days, and even dull summer days. I've searched diligently but I can't find a site providing what seem to be realistic 'ball park' figures for UK regions. I suspect there's a special word for this percentage which I haven't found. So, can someone either provide a figure for the average output of (say) a 250 watt panel over the year in eastern England or point me at a site that will tell me this. (I seem to remember the figure is something like 20 to 25 percent, so I'll get an average of 60 watts or so from a 250 watt panel). -- Chris Green · |
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