Electricity Live

Great Britain’s electricity on Friday 25 April 2025

On Friday 25 April, demand averaged 28.9 GW. Renewables supplied 29%.

28.9GW AVERAGEWind5.89 GW19%Hydro0.20 GW1%Biomass2.44 GW8%Solar2.64 GW9%Gas10.47 GW34%Imports5.41 GW18%Nuclear3.38 GW11%28.9GW AVERAGE19%8%9%34%18%11%
Price
£85.09/MWh
Day average £85.09
Demand28.9GW
Generation 25.0Transfers 3.8
Fossil fuels34%
Renewables29%
Other37%
Carbon intensityModerate
161g/kWh
0Day average 161300
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Recorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hour

Key moments

On Friday 25 April 2025, gas supplied 34% of Great Britain’s electricity and wind 19%. Demand peaked at 34.7 GW at 10:25. Carbon intensity averaged 161 g/kWh and the price £85.09/MWh. Wind generation peaked at 6.6 GW at 11:05. Solar generation peaked at 7.7 GW at 13:30. Carbon intensity was lowest at 13:30 (119 g/kWh) and highest at 20:00 (199 g/kWh). The wholesale price ranged from £66.48/MWh at 16:30 to £120.92/MWh at 07:30. Gas made 42% of the electricity generated in Great Britain, compared with 32% across 2025.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 2.648.7%Wind 5.8919.4%Gas 10.4734.4%Hydro 0.200.7%Biomass 2.448.0%Nuclear 3.3811.1%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.9avgGeneration 25.0avgTransfers 3.8avg
The day in figurespeaks, averages, totals
Peak demand34.7GW · 10:25
Low 21.9 · 04:15Avg 28.90–40 GW
Made in Great Britain87%of demand
Generation 25.0Transfers 3.8 GW
Net imports91GWh
In
129 Out
37
Zero-carbon share48%of generation
Nuclear 14%Hydro 1%Wind 24%Solar 11%

Transfers · Fri 25 Apr

Interconnectors and storage

On Friday 25 April 2025, Great Britain imported 129 GWh and exported 37 GWh through its interconnectors. The most came from France (72 GWh), and the most exports went to Ireland (14 GWh).

All interconnectors

Fri 25 Apr
Imported
129GWh
Exported
37GWh
Net in
91GWh
Average net flow
3.80GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.11GWImporting

In 7.8 GWhOut 5.2 GWh

Denmark

Viking Link

Average0.09GWExporting

In 7.2 GWhOut 9.4 GWh

France

IFA · IFA2 · ElecLink

Average3.00GWImporting

In 72.0 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.58GWExporting

In 0.4 GWhOut 14.2 GWh

Netherlands

BritNed

Average0.04GWExporting

In 7.7 GWhOut 8.6 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.04GWGenerating

Generated 1.2 GWhPumped 0.2 GWh

All cards share one scale, so you can compare their heights. Each country can have more than one cable.

Download the 5-minute data for this day: CSV · JSON. See what the figures mean.