On Friday, May 26, on what was expected to be one of the hottest days of the year, solar panels in the UK generated a record amount of power, enough to meet almost 25 percent of demand. This is according to data compiled by National Grid Plc and Sheffield University. At noon London-time, 8.75 GW of power was being generated by the solar PV, breaking a previous record of 8.49 GW, overtaking nuclear power in the country. According to the STA there are 12.1 GW of solar capacity installed throughout the UK.
— source renewableenergyworld.com