Homes and businesses can generate their own electricity from renewable sources through the Smart Export Guarantee scheme and the Renewables Obligation scheme. Includes licensing guidance, policy, news and insight. Real‑time electricity generation, demand, and carbon intensity data for Great Britain, updated every 5–30 minutes. Compare generation and demand trends with carbon emissions across multiple charts to. The Clean Power Action Plan identifies that 45-47GW is our ambition for all solar by 2030, but it also confirms there is grid capacity available for up to an additional 10GW, should the system need it. 4% of the UK's annual power generation in 2025. Solar panel array in Tiverton, Devon.