12 July: Thankyou to the Nottingham Evening Post for alerting its readers to the Rushcliffe Solar campaign. There's one small correction to make, that will help any of the reader who make their next stop to this website, concerning the likely capital cost.
The smallest practical size to consider is 8 large panels, thats about 1.5 kW output. The largest practical one (under the terms of the tariff) is 22 panels, enough to make 4kW. That larger amount means in summer that you would have made more electricity than your house will use all day by the time you are having breakfast - the rest is all income! (Larger installations are recommended for Schools, Businesses and Government buildings.).
Because there are unit costs involved (eg scaffolding, inverter etc) the cost is cheaper per kWatt for larger systems. As a rough guideline, an 8 panel system will cost about £8,000 (£5,400/kW), and a 22 panel system about £15,000 (£3780/kW), including VAT and all costs except scaffolding. The recovery of this cost can be done within about 10-12 years depending on your roof angle and direction. For anything else, please ask Rushcliffe Solar for a more specific advice on your property.
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