Electricity Live

Great Britain’s electricity on Sunday 28 December 2025

On Sunday 28 December, demand averaged 30.6 GW. Renewables supplied 19%.

30.6GW AVERAGEWind5.12 GW16%Hydro0.63 GW2%Biomass2.74 GW9%Solar0.18 GW1%Gas11.97 GW38%Imports7.32 GW23%Nuclear3.83 GW12%30.6GW AVERAGE16%9%38%23%12%
Price
£82.21/MWh
Day average £82.21
Demand30.6GW
Generation 24.5Transfers 6.1
Fossil fuels38%
Renewables19%
Other44%
Carbon intensityHigh
178g/kWh
0Day average 178300
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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 Sunday 28 December 2025, gas supplied 38% of Great Britain’s electricity and wind 16%. Demand peaked at 37.8 GW at 17:00. Carbon intensity averaged 178 g/kWh and the price £82.21/MWh. Wind generation peaked at 9.4 GW at 00:00. Solar generation peaked at 1.1 GW at 12:00. Carbon intensity was lowest at 02:30 (110 g/kWh) and highest at 18:30 (224 g/kWh). The wholesale price ranged from £65.61/MWh at 02:30 to £98.77/MWh at 17:00. Gas made 49% 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 0.180.6%Wind 5.1216.1%Gas 11.9737.6%Hydro 0.632.0%Biomass 2.748.6%Nuclear 3.8312.0%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 30.6avgGeneration 24.5avgTransfers 6.1avg
The day in figurespeaks, averages, totals
Peak demand37.8GW · 17:00
Low 22.5 · 05:30Avg 30.60–40 GW
Made in Great Britain80%of demand
Generation 24.5Transfers 6.1 GW
Net imports144GWh
In
172 Out
29
Zero-carbon share40%of generation
Nuclear 16%Hydro 3%Wind 21%Solar 1%

Transfers · Sun 28 Dec

Interconnectors and storage

On Sunday 28 December 2025, Great Britain imported 172 GWh and exported 29 GWh through its interconnectors. The most came from France (83 GWh), and the most exports went to Ireland (25 GWh).

All interconnectors

Sun 28 Dec
Imported
172GWh
Exported
29GWh
Net in
144GWh
Average net flow
5.99GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.93GWImporting

In 22.3 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.77GWImporting

In 19.9 GWhOut 1.4 GWh

France

IFA · IFA2 · ElecLink

Average3.45GWImporting

In 82.8 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average1.04GWExporting

In 0.0 GWhOut 24.9 GWh

Netherlands

BritNed

Average0.48GWImporting

In 13.9 GWhOut 2.4 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.10GWGenerating

Generated 3.3 GWhPumped 0.8 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.