Electricity Live

Great Britain’s electricity on Wednesday 3 December 2025

On Wednesday 3 December, demand averaged 36.1 GW. Renewables supplied 31%.

36.1GW AVERAGEWind10.88 GW27%Hydro0.64 GW2%Biomass2.85 GW7%Solar1.17 GW3%Gas16.94 GW42%Coal0.00 GW0%Imports3.77 GW9%Nuclear4.07 GW10%36.1GW AVERAGE27%7%42%9%10%
Price
£89.25/MWh
Day average £89.25
Demand36.1GW
Generation 36.6Transfers −0.5
Fossil fuels42%
Renewables31%
Other27%
Carbon intensityHigh
176g/kWh
0Day average 176300
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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 Wednesday 3 December 2025, gas supplied 42% of Great Britain’s electricity and wind 27%. Demand peaked at 43.4 GW at 13:25. Carbon intensity averaged 176 g/kWh and the price £89.25/MWh. Wind generation peaked at 15.2 GW at 23:55. Solar generation peaked at 6.5 GW at 12:00. Carbon intensity was lowest at 23:00 (86 g/kWh) and highest at 07:00 (215 g/kWh). The wholesale price ranged from £74.51/MWh at 12:00 to £115.60/MWh at 17:00. Gas made 46% 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 1.172.9%Wind 10.8827.0%Gas 16.9442.0%Hydro 0.641.6%Biomass 2.857.1%Nuclear 4.0710.1%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 36.1avgGeneration 36.6avgTransfers −0.5avg
The day in figurespeaks, averages, totals
Peak demand43.4GW · 13:25
Low 26.7 · 04:00Avg 36.10–60 GW
Made in Great Britain101%of demand
Generation 36.6Transfers −0.5 GW
Net exports11GWh
In
82 Out
93
Zero-carbon share46%of generation
Nuclear 11%Hydro 2%Wind 30%Solar 3%

Transfers · Wed 3 Dec

Interconnectors and storage

On Wednesday 3 December 2025, Great Britain imported 82 GWh and exported 93 GWh through its interconnectors. The most came from France (64 GWh), and the most exports went to Denmark (26 GWh).

All interconnectors

Wed 3 Dec
Imported
82GWh
Exported
93GWh
Net out
11GWh
Average net flow
0.45GW out

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.73GWExporting

In 0.0 GWhOut 17.4 GWh

Denmark

Viking Link

Average1.09GWExporting

In 0.0 GWhOut 26.2 GWh

France

IFA · IFA2 · ElecLink

Average2.65GWImporting

In 63.6 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average1.07GWExporting

In 0.0 GWhOut 25.7 GWh

Netherlands

BritNed

Average0.98GWExporting

In 0.0 GWhOut 23.6 GWh

Norway

North Sea Link

Average0.77GWImporting

In 18.6 GWhOut 0.2 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.00GWIdle

Generated 8.3 GWhPumped 8.3 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.