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Solar powers record share of Britain’s electricity mix in July

From The Guardian · () English

Summarized and contextualized by DistantNews.

At a glance

News Documents & data Context piece
  • Solar energy generated a record share of Great Britain's electricity in July, reaching 14.4% of the total.
  • This surge is attributed to increased household installations and favorable weather conditions, with solar output up 50% from the previous year.
  • The rise in solar power helped meet higher electricity demand for cooling during heatwaves and positions solar as a key player in the UK's energy mix.

Solar power supplied a record 14.4% of Great Britain's electricity in July, surpassing all previous monthly records. This significant increase is driven by a surge in rooftop solar panel installations by households seeking to reduce energy bills amid high fossil fuel costs. Favorable weather, with some UK regions experiencing nearly double the average sunshine hours, further boosted solar farm output.

Fifteen years ago, solar energy was a footnote in the electricity mix. Now it is a major player, delivering homegrown, cheap, clean and reliable energy..

— Chris HewettChris Hewett, chief executive of Solar Energy UK, commented on the significant growth and importance of solar energy in the UK's electricity mix.

The July figure represents a 50% increase compared to the previous year, when solar accounted for only 9.6% of electricity generation. Data from the National Energy System Operator (NESO) shows that the first half of 2026 has already seen more new solar power installations than any six-month period since 2011. While large solar farms contribute, a substantial portion of new installations are on household rooftops.

Energy experts highlight solar's growing importance. Chris Hewett, CEO of Solar Energy UK, noted that solar has transformed from a "footnote" to a "major player" delivering "homegrown, cheap, clean and reliable energy." The additional solar power was crucial in meeting higher electricity demand for air conditioning and fans during recent heatwaves, offering a positive side effect to the extreme weather conditions that have caused droughts and record heat-related deaths across Europe.

The UK is firmly in its second solar boom, joining the trend we’re seeing worldwide, as households and governments look to it as a low-cost and local alternative to oil and gas

— Frankie MayoFrankie Mayo, a senior analyst at Ember, described the current surge in solar adoption in the UK and globally.

Analysts at Ember, a clean power thinktank, observed that the UK is experiencing its "second solar boom," mirroring a global trend where solar is increasingly viewed as a low-cost, local alternative to oil and gas. This growth is exemplified by new projects like the Cleve Hill solar farm and the planned Springwell solar farm, which will be the UK's largest upon completion. The trend underscores a clear lesson: generating more power domestically reduces exposure to volatile global energy markets.

The lesson is clear: the more power we generate here in Britain, the less expose

— Michael ShanksMichael Shanks, the energy minister, stated the importance of domestic power generation.
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Originally published by The Guardian. Summarized and contextualized by our editorial team with added local perspective. Read our editorial standards.

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