Electricity Live

Great Britain’s electricity on Saturday 6 December 2025

On Saturday 6 December, demand averaged 33.3 GW. Renewables supplied 49%.

33.3GW AVERAGEWind15.76 GW46%Hydro0.65 GW2%Biomass2.27 GW7%Solar0.43 GW1%Gas4.86 GW14%Imports7.09 GW20%Nuclear3.57 GW10%33.3GW AVERAGE46%14%20%10%
Price
£72.01/MWh
Day average £72.01
Demand33.3GW
Generation 27.5Transfers 5.8
Fossil fuels14%
Renewables49%
Other37%
Carbon intensityLow
83g/kWh
0Day average 83300
Save as image
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 Saturday 6 December 2025, wind supplied 46% of Great Britain’s electricity and gas 14%. Demand peaked at 38.8 GW at 17:30. Carbon intensity averaged 83 g/kWh and the price £72.01/MWh. Wind generation peaked at 20.8 GW at 00:25. Solar generation peaked at 2.5 GW at 11:30. Carbon intensity was lowest at 03:30 (51 g/kWh) and highest at 17:30 (122 g/kWh). The wholesale price ranged from £59.89/MWh at 06:00 to £87.48/MWh at 17:00. Wind made 57% 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 0.431.2%Wind 15.7645.5%Gas 4.8614.0%Hydro 0.651.9%Biomass 2.276.6%Nuclear 3.5710.3%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 33.3avgGeneration 27.5avgTransfers 5.8avg
The day in figurespeaks, averages, totals
Peak demand38.8GW · 17:30
Low 27.1 · 04:35Avg 33.30–40 GW
Made in Great Britain83%of demand
Generation 27.5Transfers 5.8 GW
Net imports140GWh
In
164 Out
24
Zero-carbon share74%of generation
Nuclear 13%Hydro 2%Wind 57%Solar 2%

Transfers · Sat 6 Dec

Interconnectors and storage

On Saturday 6 December 2025, Great Britain imported 164 GWh and exported 24 GWh through its interconnectors. The most came from France (84 GWh), and the most exports went to Ireland (19 GWh).

All interconnectors

Sat 6 Dec
Imported
164GWh
Exported
24GWh
Net in
140GWh
Average net flow
5.84GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.79GWImporting

In 18.9 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.88GWImporting

In 23.0 GWhOut 1.8 GWh

France

IFA · IFA2 · ElecLink

Average3.49GWImporting

In 83.8 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.80GWExporting

In 0.0 GWhOut 19.2 GWh

Netherlands

BritNed

Average0.50GWImporting

In 14.5 GWhOut 2.6 GWh

Norway

North Sea Link

Average0.98GWImporting

In 23.6 GWhOut 0.2 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.06GWPumping

Generated 6.3 GWhPumped 7.7 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.