Electricity Live

Great Britain’s electricity on Sunday 30 May 2021

On Sunday 30 May, demand averaged 25.7 GW. Renewables supplied 23%.

25.7GW AVERAGEWind2.36 GW9%Hydro0.27 GW1%Biomass2.13 GW8%Solar3.31 GW13%Gas9.43 GW36%Imports3.32 GW13%Nuclear5.45 GW21%25.7GW AVERAGE9%8%13%36%13%21%
Price
£74.90/MWh
Day average £74.90
Demand25.7GW
Generation 23.0Transfers 2.8
Fossil fuels36%
Renewables23%
Other41%
Carbon intensityModerate
160g/kWh
0Day average 160300
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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 Sunday 30 May 2021, gas supplied 36% of Great Britain’s electricity and nuclear 21%. Demand peaked at 31.3 GW at 12:10. Carbon intensity averaged 160 g/kWh and the price £74.90/MWh. Wind generation peaked at 4.0 GW at 19:40. Solar generation peaked at 9.8 GW at 12:30. Carbon intensity was lowest at 14:30 (105 g/kWh) and highest at 00:00 (208 g/kWh). The wholesale price ranged from £55.86/MWh at 13:30 to £88.15/MWh at 23:00. Gas made 41% of the electricity generated in Great Britain, compared with 42% across 2021.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 3.3112.6%Wind 2.369.0%Gas 9.4335.9%Hydro 0.271.0%Biomass 2.138.1%Nuclear 5.4520.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 25.7avgGeneration 23.0avgTransfers 2.8avg
The day in figurespeaks, averages, totals
Peak demand31.3GW · 12:10
Low 19.1 · 04:40Avg 25.70–40 GW
Made in Great Britain89%of demand
Generation 23.0Transfers 2.8 GW
Net imports66GWh
In
76 Out
10
Zero-carbon share50%of generation
Nuclear 24%Hydro 1%Wind 10%Solar 14%

Transfers · Sun 30 May

Interconnectors and storage

On Sunday 30 May 2021, Great Britain imported 76 GWh and exported 10 GWh through its interconnectors. The most came from France (57 GWh), and the most exports went to Ireland (10 GWh).

All interconnectors

Sun 30 May
Imported
76GWh
Exported
10GWh
Net in
66GWh
Average net flow
2.76GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.79GWImporting

In 19.0 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.37GWImporting

In 56.9 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.41GWExporting

In 0.0 GWhOut 9.7 GWh

Netherlands

BritNed

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.1 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.01GWGenerating

Generated 3.7 GWhPumped 3.5 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.