Electricity Live

Great Britain’s electricity on Wednesday 21 October 2026

On Wednesday 21 October, demand averaged 33.0 GW. Renewables supplied 43%.

33.0GW AVERAGEWind13.25 GW39%Hydro0.56 GW2%Biomass3.13 GW9%Solar0.87 GW3%Gas6.34 GW19%Imports5.04 GW15%Nuclear4.94 GW14%33.0GW AVERAGE39%9%19%15%14%
Price
£168.48/MWh
Day average £168.48
Demand33.0GW
Generation 29.1Transfers 3.9
Fossil fuels19%
Renewables43%
Other38%
Carbon intensityModerate
98g/kWh
0Day average 98300
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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 21 October 2026, wind supplied 39% of Great Britain’s electricity and gas 19%. Demand peaked at 39.9 GW at 12:50. Carbon intensity averaged 98 g/kWh and the price £168.48/MWh. Wind generation peaked at 18.0 GW at 20:50. Solar generation peaked at 3.5 GW at 13:00. Carbon intensity was lowest at 22:00 (49 g/kWh) and highest at 07:00 (143 g/kWh). The wholesale price ranged from £116.02/MWh at 23:30 to £214.04/MWh at 16:30. Wind made 46% of the electricity generated in Great Britain, compared with 37% across 2026 so far.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.872.6%Wind 13.2538.8%Gas 6.3418.6%Hydro 0.561.6%Biomass 3.139.2%Nuclear 4.9414.5%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 33.0avgGeneration 29.1avgTransfers 3.9avg
The day in figurespeaks, averages, totals
Peak demand39.9GW · 12:50
Low 24.2 · 05:05Avg 33.00–40 GW
Made in Great Britain88%of demand
Generation 29.1Transfers 3.9 GW
Net imports94GWh
In
117 Out
23
Zero-carbon share67%of generation
Nuclear 17%Hydro 2%Wind 46%Solar 3%

Transfers · Wed 21 Oct

Interconnectors and storage

On Wednesday 21 October 2026, Great Britain imported 117 GWh and exported 23 GWh through its interconnectors. The most came from France (48 GWh), and the most exports went to Ireland (11 GWh).

All interconnectors

Wed 21 Oct
Imported
117GWh
Exported
23GWh
Net in
94GWh
Average net flow
3.93GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.13GWImporting

In 6.4 GWhOut 3.4 GWh

Denmark

Viking Link

Average0.64GWImporting

In 18.6 GWhOut 3.3 GWh

France

IFA · IFA2 · ElecLink

Average2.00GWImporting

In 48.0 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.42GWExporting

In 1.5 GWhOut 11.5 GWh

Netherlands

BritNed

Average0.20GWImporting

In 9.3 GWhOut 4.5 GWh

Norway

North Sea Link

Average1.38GWImporting

In 33.1 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.05GWPumping

Generated 4.1 GWhPumped 5.2 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.