Electricity Live

Great Britain’s electricity on Sunday 21 June 2026

On Sunday 21 June, demand averaged 25.8 GW. Renewables supplied 28%.

25.8GW AVERAGEWind2.89 GW10%Hydro0.31 GW1%Biomass1.82 GW7%Solar4.59 GW17%Gas8.34 GW30%Imports6.52 GW24%Nuclear3.14 GW11%25.8GW AVERAGE10%17%30%24%11%
Price
£105.93/MWh
Day average £105.93
Demand25.8GW
Generation 21.1Transfers 4.7
Fossil fuels30%
Renewables28%
Other42%
Carbon intensityModerate
152g/kWh
0Day average 152300
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 Sunday 21 June 2026, gas supplied 30% of Great Britain’s electricity and solar 17%. Demand peaked at 30.4 GW at 12:50. Carbon intensity averaged 152 g/kWh and the price £105.93/MWh. Wind generation peaked at 5.0 GW at 23:55. Solar generation peaked at 12.2 GW at 13:30. Carbon intensity was lowest at 13:30 (89 g/kWh) and highest at 00:00 (206 g/kWh). The wholesale price ranged from £85.11/MWh at 16:00 to £135.84/MWh at 21:30. Gas made 40% of the electricity generated in Great Britain, compared with 28% across 2026 so far.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 4.5916.6%Wind 2.8910.5%Gas 8.3430.2%Hydro 0.311.1%Biomass 1.826.6%Nuclear 3.1411.4%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 25.8avgGeneration 21.1avgTransfers 4.7avg
The day in figurespeaks, averages, totals
Peak demand30.4GW · 12:50
Low 19.0 · 05:25Avg 25.80–40 GW
Made in Great Britain82%of demand
Generation 21.1Transfers 4.7 GW
Net imports116GWh
In
153 Out
37
Zero-carbon share52%of generation
Nuclear 15%Hydro 1%Wind 14%Solar 22%

Transfers · Sun 21 Jun

Interconnectors and storage

On Sunday 21 June 2026, Great Britain imported 153 GWh and exported 37 GWh through its interconnectors. The most came from France (83 GWh), and the most exports went to Ireland (25 GWh).

All interconnectors

Sun 21 Jun
Imported
153GWh
Exported
37GWh
Net in
116GWh
Average net flow
4.83GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.29GWImporting

In 9.9 GWhOut 3.1 GWh

Denmark

Viking Link

Average0.44GWImporting

In 15.5 GWhOut 4.9 GWh

France

IFA · IFA2 · ElecLink

Average3.45GWImporting

In 82.7 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average1.03GWExporting

In 0.0 GWhOut 24.7 GWh

Netherlands

BritNed

Average0.31GWImporting

In 11.6 GWhOut 4.1 GWh

Norway

North Sea Link

Average1.37GWImporting

In 32.8 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.14GWPumping

Generated 3.9 GWhPumped 7.2 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.