Milestone · 2025

2025: Great Britain’s first full year without coal power

In 2025, no day in Great Britain used coal to make electricity. It was the first full calendar year without coal power since 1882. The last coal station, Ratcliffe-on-Soar, closed on 30 September 2024.

coal-free days in 2025, out of 365

Coal share: 0%; 45% in 2012
Wind share: 35%; 5% in 2012
Carbon intensity: 127 g/kWh; 505 g/kWh in 2012
Coal-free run: 747 days; and still going

Every day of 2025, without coal

Each day is shaded by its renewable share. Choose a day to see its charts.

What replaced coal

In 2012, coal made 45% of Great Britain’s electricity and wind made 5%. In 2025, coal made none, and wind was the largest source at 35%.

The mix in 2025: wind 35%, gas 32%, nuclear 14%, biomass 10%, solar 8%, hydro 1%. Imports are not in these shares.

On an average day, wind, solar and hydro supplied 38% of the electricity supply. The greenest day was 4 October 2025, at 73%.

Average carbon intensity fell from 505 g/kWh in 2012 to 127 g/kWh in 2025, a fall of 75%. Gas is now the main fossil fuel left on the grid.

See the daily archive for 2025 and the record board.

Records set in 2025

28 record breaks across 8 records. Each row shows the last break of the year.

Wind generation23.94 GW5 December 2025Stands
Wind share75.3%26 October 2025Stands
Greenest day72.8%4 October 2025Stands
Lowest price−£102.92/MWh6 September 2025Stands
Solar share44.0%12 July 20254×
Solar generation14.05 GW8 July 20254×
Most solar in a day118 GWh8 July 20258×
Renewable share79.4%30 March 20251×

Year by year

The mix since 2012

Coal (grey, at the base) shrinks to nothing, and wind (blue) grows.

25%

50%

75%

100%

2012

2013

2014

2015

2016

2017

2018

2019

2020

2021

2022

2023

2024

2025

2026*

SolarWindGasHydroBiomassNuclearCoal

Other milestones and records

30 September 2024The last day of coal powerMilestone All recordsThe record board