Electricity Live

Great Britain’s electricity on Friday 21 November 2025

On Friday 21 November, demand averaged 37.7 GW. Renewables supplied 27%.

37.7GW AVERAGEWind8.71 GW22%Hydro0.45 GW1%Biomass3.30 GW8%Solar1.58 GW4%Gas19.64 GW49%Imports2.64 GW7%Nuclear3.79 GW9%37.7GW AVERAGE22%8%49%9%
Price
£111.27/MWh
Day average £111.27
Demand37.7GW
Generation 37.5Transfers 0.3
Fossil fuels49%
Renewables27%
Other24%
Carbon intensityHigh
212g/kWh
0Day average 212300
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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 Friday 21 November 2025, gas supplied 49% of Great Britain’s electricity and wind 22%. Demand peaked at 45.6 GW at 12:00. Carbon intensity averaged 212 g/kWh and the price £111.27/MWh. Wind generation peaked at 16.8 GW at 23:55. Solar generation peaked at 8.0 GW at 11:30. Carbon intensity was lowest at 23:30 (101 g/kWh) and highest at 07:00 (260 g/kWh). The wholesale price ranged from £65.43/MWh at 23:00 to £216.25/MWh at 07:30. Gas made 52% 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 1.583.9%Wind 8.7121.7%Gas 19.6449.0%Hydro 0.451.1%Biomass 3.308.2%Nuclear 3.799.5%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 37.7avgGeneration 37.5avgTransfers 0.3avg
The day in figurespeaks, averages, totals
Peak demand45.6GW · 12:00
Low 28.9 · 05:05Avg 37.70–60 GW
Made in Great Britain99%of demand
Generation 37.5Transfers 0.3 GW
Net imports6GWh
In
57 Out
50
Zero-carbon share39%of generation
Nuclear 10%Hydro 1%Wind 23%Solar 4%

Transfers · Fri 21 Nov

Interconnectors and storage

On Friday 21 November 2025, Great Britain imported 57 GWh and exported 50 GWh through its interconnectors. The most came from France (34 GWh), and the most exports went to Ireland (13 GWh).

All interconnectors

Fri 21 Nov
Imported
57GWh
Exported
50GWh
Net in
6GWh
Average net flow
0.25GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.10GWExporting

In 5.5 GWhOut 7.7 GWh

Denmark

Viking Link

Average0.36GWExporting

In 2.8 GWhOut 11.6 GWh

France

IFA · IFA2 · ElecLink

Average1.40GWImporting

In 33.9 GWhOut 0.3 GWh

Ireland

Moyle · East–West · Greenlink

Average0.36GWExporting

In 4.2 GWhOut 12.9 GWh

Netherlands

BritNed

Average0.03GWImporting

In 7.7 GWhOut 6.8 GWh

Norway

North Sea Link

Average0.36GWExporting

In 2.5 GWhOut 11.1 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.02GWGenerating

Generated 6.9 GWhPumped 6.4 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.