Electricity Live

Great Britain’s electricity on Tuesday 2 December 2025

On Tuesday 2 December, demand averaged 35.8 GW. Renewables supplied 40%.

35.8GW AVERAGEWind13.55 GW35%Hydro0.72 GW2%Biomass2.43 GW6%Solar1.13 GW3%Gas11.90 GW31%Imports4.51 GW12%Nuclear4.13 GW11%35.8GW AVERAGE35%31%12%11%
Price
£84.10/MWh
Day average £84.10
Demand35.8GW
Generation 33.9Transfers 1.9
Fossil fuels31%
Renewables40%
Other29%
Carbon intensityModerate
135g/kWh
0Day average 135300
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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 Tuesday 2 December 2025, wind supplied 35% of Great Britain’s electricity and gas 31%. Demand peaked at 42.5 GW at 11:05. Carbon intensity averaged 135 g/kWh and the price £84.10/MWh. Wind generation peaked at 17.0 GW at 00:35. Solar generation peaked at 6.4 GW at 11:30. Carbon intensity was lowest at 00:30 (51 g/kWh) and highest at 18:00 (197 g/kWh). The wholesale price ranged from £55.22/MWh at 04:30 to £122.77/MWh at 16:00. Wind made 40% of the electricity generated in Great Britain, compared with 35% across 2025.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 1.133.0%Wind 13.5535.3%Gas 11.9031.0%Hydro 0.721.9%Biomass 2.436.3%Nuclear 4.1310.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 35.8avgGeneration 33.9avgTransfers 1.9avg
The day in figurespeaks, averages, totals
Peak demand42.5GW · 11:05
Low 25.9 · 05:00Avg 35.80–60 GW
Made in Great Britain95%of demand
Generation 33.9Transfers 1.9 GW
Net imports49GWh
In
102 Out
53
Zero-carbon share58%of generation
Nuclear 12%Hydro 2%Wind 40%Solar 3%

Transfers · Tue 2 Dec

Interconnectors and storage

On Tuesday 2 December 2025, Great Britain imported 102 GWh and exported 53 GWh through its interconnectors. The most came from France (47 GWh), and the most exports went to Ireland (27 GWh).

All interconnectors

Tue 2 Dec
Imported
102GWh
Exported
53GWh
Net in
49GWh
Average net flow
2.04GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.33GWExporting

In 2.1 GWhOut 10.1 GWh

Denmark

Viking Link

Average0.27GWImporting

In 15.1 GWhOut 8.7 GWh

France

IFA · IFA2 · ElecLink

Average1.95GWImporting

In 47.0 GWhOut 0.2 GWh

Ireland

Moyle · East–West · Greenlink

Average1.14GWExporting

In 0.0 GWhOut 27.3 GWh

Netherlands

BritNed

Average0.02GWExporting

In 5.8 GWhOut 6.3 GWh

Norway

North Sea Link

Average1.32GWImporting

In 31.6 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.10GWPumping

Generated 6.6 GWhPumped 9.0 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.