Electricity Live

Great Britain’s electricity on Saturday 27 December 2025

On Saturday 27 December, demand averaged 31.5 GW. Renewables supplied 42%.

31.5GW AVERAGEWind12.39 GW38%Hydro0.51 GW2%Biomass2.20 GW7%Solar0.68 GW2%Gas6.08 GW19%Imports6.82 GW21%Nuclear3.78 GW12%31.5GW AVERAGE38%19%21%12%
Price
£71.43/MWh
Day average £71.43
Demand31.5GW
Generation 25.6Transfers 5.9
Fossil fuels19%
Renewables42%
Other39%
Carbon intensityLow
100g/kWh
0Day average 100300
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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 Saturday 27 December 2025, wind supplied 38% of Great Britain’s electricity and gas 19%. Demand peaked at 38.0 GW at 17:20. Carbon intensity averaged 100 g/kWh and the price £71.43/MWh. Wind generation peaked at 15.0 GW at 16:50. Solar generation peaked at 3.8 GW at 11:30. Carbon intensity was lowest at 04:00 (82 g/kWh) and highest at 17:00 (122 g/kWh). The wholesale price ranged from £63.23/MWh at 05:30 to £86.57/MWh at 18:00. Wind made 48% 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 0.682.1%Wind 12.3938.2%Gas 6.0818.7%Hydro 0.511.6%Biomass 2.206.8%Nuclear 3.7811.6%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.5avgGeneration 25.6avgTransfers 5.9avg
The day in figurespeaks, averages, totals
Peak demand38.0GW · 17:20
Low 23.7 · 07:15Avg 31.50–40 GW
Made in Great Britain81%of demand
Generation 25.6Transfers 5.9 GW
Net imports144GWh
In
163 Out
19
Zero-carbon share68%of generation
Nuclear 15%Hydro 2%Wind 48%Solar 3%

Transfers · Sat 27 Dec

Interconnectors and storage

On Saturday 27 December 2025, Great Britain imported 163 GWh and exported 19 GWh through its interconnectors. The most came from France (82 GWh), and the most exports went to Ireland (13 GWh).

All interconnectors

Sat 27 Dec
Imported
163GWh
Exported
19GWh
Net in
144GWh
Average net flow
6.02GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.65GWImporting

In 16.8 GWhOut 1.2 GWh

Denmark

Viking Link

Average0.89GWImporting

In 21.4 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average3.43GWImporting

In 82.3 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.55GWExporting

In 0.1 GWhOut 13.4 GWh

Netherlands

BritNed

Average0.21GWImporting

In 9.3 GWhOut 4.3 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.11GWPumping

Generated 0.3 GWhPumped 3.0 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.