Electricity Live

Great Britain’s electricity on Wednesday 27 May 2026

On Wednesday 27 May, demand averaged 28.7 GW. Renewables supplied 46%.

28.7GW AVERAGEWind8.40 GW28%Hydro0.18 GW1%Biomass2.20 GW7%Solar5.16 GW17%Gas5.98 GW20%Imports5.63 GW19%Nuclear2.37 GW8%28.7GW AVERAGE28%7%17%20%19%8%
Price
£102.25/MWh
Day average £102.25
Demand28.7GW
Generation 24.3Transfers 4.4
Fossil fuels20%
Renewables46%
Other34%
Carbon intensityModerate
110g/kWh
0Day average 110300
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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 27 May 2026, wind supplied 28% of Great Britain’s electricity and gas 20%. Demand peaked at 35.1 GW at 13:50. Carbon intensity averaged 110 g/kWh and the price £102.25/MWh. Wind generation peaked at 10.6 GW at 17:20. Solar generation peaked at 14.5 GW at 13:30. Carbon intensity was lowest at 14:30 (54 g/kWh) and highest at 21:00 (149 g/kWh). The wholesale price ranged from £73.52/MWh at 16:00 to £125.98/MWh at 00:00. Wind made 35% of the electricity generated in Great Britain, compared with 36% across 2026 so far.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 5.1617.2%Wind 8.4028.1%Gas 5.9820.0%Hydro 0.180.6%Biomass 2.207.4%Nuclear 2.377.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.7avgGeneration 24.3avgTransfers 4.4avg
The day in figurespeaks, averages, totals
Peak demand35.1GW · 13:50
Low 21.1 · 05:00Avg 28.70–40 GW
Made in Great Britain85%of demand
Generation 24.3Transfers 4.4 GW
Net imports109GWh
In
133 Out
24
Zero-carbon share66%of generation
Nuclear 10%Hydro 1%Wind 35%Solar 21%

Transfers · Wed 27 May

Interconnectors and storage

On Wednesday 27 May 2026, Great Britain imported 133 GWh and exported 24 GWh through its interconnectors. The most came from France (75 GWh), and the most exports went to Ireland (12 GWh).

All interconnectors

Wed 27 May
Imported
133GWh
Exported
24GWh
Net in
109GWh
Average net flow
4.54GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.30GWImporting

In 11.6 GWhOut 4.4 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average3.13GWImporting

In 75.2 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.50GWExporting

In 0.4 GWhOut 12.3 GWh

Netherlands

BritNed

Average0.21GWImporting

In 12.4 GWhOut 7.3 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.09GWPumping

Generated 2.0 GWhPumped 4.2 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.