By bizn_fun 
Starmer’s plan promises “at least 95% clean power by 2030”.
This is slightly down on an election manifesto pledge to have “zero-carbon electricity by 2030”.
In November 2024, the National Energy System Operator (NESO) – the government’s independent system planner and operator for the energy transition – concluded, external that it was “possible to build, connect and operate a clean power system for Great Britain by 2030, while maintaining security of supply”.
However, it added that achieving this would be “at the limit of what is feasible”.
In 2024, clean sources accounted for 73.8% of electricity generation in Great Britain, according to government statistics and definitions, external.
When will we know? Figures for the proportion of UK-wide electricity coming from low carbon sources come in the Energy Trends publication, external on the last Thursday of each quarter of the year, giving figures for the previous quarter.
Additional reporting by Daniel Wainwright, William Dahlgreen, Mark Poynting, Gerry Georgieva and Tamara Kovacevic