Electricity Live

Great Britain’s electricity on Monday 4 May 2026

On Monday 4 May, demand averaged 26.4 GW. Renewables supplied 20%.

26.4GW AVERAGEWind3.09 GW11%Hydro0.34 GW1%Biomass2.45 GW9%Solar2.23 GW8%Gas10.23 GW35%Imports5.79 GW20%Nuclear4.72 GW16%26.4GW AVERAGE11%9%8%35%20%16%
Price
£107.63/MWh
Day average £107.63
Demand26.4GW
Generation 23.1Transfers 3.4
Fossil fuels35%
Renewables20%
Other45%
Carbon intensityHigh
166g/kWh
0Day average 166300
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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 Monday 4 May 2026, gas supplied 35% of Great Britain’s electricity and nuclear 16%. Demand peaked at 32.2 GW at 16:55. Carbon intensity averaged 166 g/kWh and the price £107.63/MWh. Wind generation peaked at 3.8 GW at 09:00. Solar generation peaked at 7.0 GW at 12:30. Carbon intensity was lowest at 11:30 (121 g/kWh) and highest at 21:30 (209 g/kWh). The wholesale price ranged from £87.97/MWh at 02:30 to £146.45/MWh at 18:30. Gas made 44% 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 2.237.7%Wind 3.0910.7%Gas 10.2335.5%Hydro 0.341.2%Biomass 2.458.5%Nuclear 4.7216.3%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 26.4avgGeneration 23.1avgTransfers 3.4avg
The day in figurespeaks, averages, totals
Peak demand32.2GW · 16:55
Low 19.8 · 05:35Avg 26.40–40 GW
Made in Great Britain87%of demand
Generation 23.1Transfers 3.4 GW
Net imports81GWh
In
135 Out
54
Zero-carbon share45%of generation
Nuclear 20%Hydro 1%Wind 13%Solar 10%

Transfers · Mon 4 May

Interconnectors and storage

On Monday 4 May 2026, Great Britain imported 135 GWh and exported 54 GWh through its interconnectors. The most came from France (69 GWh), and the most exports went to Ireland (31 GWh).

All interconnectors

Mon 4 May
Imported
135GWh
Exported
54GWh
Net in
81GWh
Average net flow
3.38GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.11GWImporting

In 8.5 GWhOut 5.8 GWh

Denmark

Viking Link

Average0.34GWImporting

In 15.7 GWhOut 7.6 GWh

France

IFA · IFA2 · ElecLink

Average2.89GWImporting

In 69.5 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average1.28GWExporting

In 0.0 GWhOut 30.7 GWh

Netherlands

BritNed

Average0.05GWExporting

In 8.3 GWhOut 9.6 GWh

Norway

North Sea Link

Average1.37GWImporting

In 33.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.01GWPumping

Generated 4.0 GWhPumped 4.3 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.