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Old 06-02-12, 12:27 AM   #3
nexsuperne
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Join Date: Feb 2012
Location: 30 miles east of London, UK
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I have both on my system. Battery hooked to wind and solar to a pure sinewave uninterruptible power supply. This charges up overnight on wind and cheap rate electric and switches from peak rate electric to batteries and solar in the morning. If the solar has fully charged the batteries, then the excess goes out through a grid tie. I would like to be offgrid, but until I can get more pv panels, and a 10kw pure sine inverter just for the electric hob, I am still paying for the mains.
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