GB Electricity Records
Explore historical records of GB power generation and carbon intensity. Discover peak generation periods by source type and the cleanest periods in GB electricity history. Data is updated daily.
Historical records of UK power generation and carbon intensity. Updated daily.
Last updated: 10 Sept 2026, 21:13
Generation Records
Top 10 power generation records by source type
Wind
23,880 MW
25 Mar 2026, 13:30
Solar
15,427 MW
12 Jul 2026, 12:00
Gas
27,868 MW
12 Dec 2024, 08:00
Nuclear
9,342 MW
19 Aug 2013, 12:30
Coal
26,044 MW
02 Feb 2009, 17:00
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Carbon Intensity Records
Cleanest periods in UK electricity history
#1 Lowest
19.0 gCO₂eq/kWh
15 Apr 2024, 13:30
#2 Lowest
20.0 gCO₂eq/kWh
30 Apr 2026, 12:30
#3 Lowest
21.0 gCO₂eq/kWh
13 Apr 2024, 14:30
#4 Lowest
23.0 gCO₂eq/kWh
07 Apr 2026, 13:30
#5 Lowest
23.0 gCO₂eq/kWh
05 Apr 2024, 12:30
View all recordsView All