So there we have it. By this quick approximate calculation, Britain’s domestic roofs would deliver 123 TWh of energy per annum if they were all covered in solar PV panels. That corresponds to an average power output of 14 GW. In 2007 the UK consumed 393 TWh of electrical energy [3], so rooftop solar could deliver 31% of Britain’s electricity, averaged over the year. There’s a slight complication here, because electricity demand peaks in the winter, whereas solar energy supply peaks sharply in the summer, so the winter percentage contribution will be much lower than that.
How does that estimate compare with other calculations?
Nicely put. I bin looking for the amount of area on rooftops in UK to calculate the Solar Power we can get. And this man has done it. Bravo!
I am a selfish person.
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