The British government has set out its plan to support a greater bet in its Solar Roadmap, published in June 2025.
Image: Nick Weighting, Unsplash
UK, the solar capacity used, reached 19 GW at the end of June 2025, with 621 MW added new PV in the first half of the year, according to the last government figures.
Implementation statistics of the UK Department of Energy Security and Net Zero (DSNZ) are currently and are subject to revision because there are new data available, and Desnz currently assesses his data sources in an attempt to improve coverage.
There were 23,351 solar installations registered in June, good for 88 MW capacity. This was lower than the 160 MW included for June 2024, although this can change as new data is added.
A significant increase in data from the British solar capacity is expected. Developer Quinbrook announced in July 2025 that his 373 MW Cleve Hill Solar Park had been put into use and 100% of his capacity exported to the grid. It is so far the largest British tanning factory.
A flurry of approvals for solar parks that meet the criteria of the British government for nationally important infrastructure projects has also strengthened the pipeline on utility scale. Projects that in 2025 granted development assignments by the British government in 2025 include the 180 MW byers Gill Solar Plant, 400 MW East Yorkshire Solar Farm, 500 MW Heckton Fen Solar Park and 138 MW Oaklands Solar Farm.
The pace of the use of solar energy is essential for the British government to achieve its 2030 implementation goals. The government strives for 45-47 GW of the solar capacity used by 2030 and intends to support the deployment through a series of policy measures described in its solar route map. These include seventh contracts for the difference allocation round that is expected to be opened in August 2025, stricter rules for energy efficiency for new build houses in England and reforms of the planning and grid connection processes. Other policy that is being investigated are, among other things, a change in regulation to enable plug-in solar energy for balconies and roofs, as well as potential support for the implementation of solar liffer on parking garages.
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