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Rooftop solar could still cut UK electricity bills by about £450 a year
The analysis projects bigger savings in sunnier regions, with solar power supplying 14.4% of Great Britain’s electricity in July.
Households in Great Britain’s cloudiest areas could still save about £450 a year on average electricity bills by installing rooftop solar panels, according to analysis prepared for the Guardian and provided by the UK solar firm Recharge Renewable.
The potential savings are higher where weather is sunnier, with estimates of more than £600 a year in the brightest areas. Recharge Renewable’s regional figures include about £440 a year for southern Scotland, about £463 a year for north-west England, and bill savings in the range of £571 to £618 a year for households in southern England.
The outlet said rising wholesale electricity prices have increased the value of rooftop solar over recent years, while installation costs have continued to fall. It also linked the growth in installations to higher electricity prices compounded by conflict in Ukraine and the Middle East, and noted the Labor government is targeting a tripling of the UK’s solar farms by 2030.
The Guardian analysis of government figures found more new solar power installations in the first half of the year than in any six-month period since 2011, when the UK built its first large-scale solar farm in Cornwall. It added that rooftop installations are making up slightly less than a third of total UK solar capacity, and said solar power contributed 14.4% of Great Britain’s electricity in July, the highest share in any previous month.