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Proper interesting graphs, thanks for posting. I’ve got 4kw of panels but have held off on a battery assuming they’re going to fall in price (they’ve already halved since I bought the panels 2 years ago) those graphs are ace for my calcs.
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Is the £78 plus residual electricity costs less than the previous energy cost? Seems like a good way to effectively fix costs for the next 12 years if so!
Hefty
Dramatic_Hammer
@mi7rennie
For info, 6kw solar PV array, 10kWh battery, since middle of the year, 300l direct HW tank to run bath and showers.
Cost around 14k, paying back over 12 years loan term, payment is around £78 a month, zero interest.
Electricity demand also includes charging an electric car (Nissan Leaf 30KWh).
Battery, HW tank and car allows us to use TOU tarrif to charge overnight on very cheap electricity during the winter.
Also had cavity insulation fitted which cut a third off gas bill and only cost £1400.
Located neat Dundee.
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