Electricity Live

Great Britain’s electricity on Friday 28 May 2021

On Friday 28 May, demand averaged 29.6 GW. Renewables supplied 11%.

29.6GW AVERAGEWind1.09 GW4%Hydro0.31 GW1%Biomass2.48 GW8%Solar2.03 GW7%Gas15.29 GW50%Coal0.24 GW1%Imports3.68 GW12%Nuclear5.42 GW18%29.6GW AVERAGE8%50%12%18%
Price
£76.68/MWh
Day average £76.68
Demand29.6GW
Generation 26.9Transfers 2.7
Fossil fuels50%
Renewables11%
Other38%
Carbon intensityHigh
220g/kWh
0Day average 220300
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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 Friday 28 May 2021, gas supplied 50% of Great Britain’s electricity and nuclear 18%. Demand peaked at 35.3 GW at 10:30. Carbon intensity averaged 220 g/kWh and the price £76.68/MWh. Wind generation peaked at 1.4 GW at 17:20. Solar generation peaked at 5.9 GW at 11:30. Carbon intensity was lowest at 14:30 (200 g/kWh) and highest at 07:30 (240 g/kWh). The wholesale price ranged from £49.58/MWh at 00:30 to £105.33/MWh at 09:00. Gas made 57% 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 2.036.7%Wind 1.093.6%Gas 15.2950.0%Hydro 0.311.0%Biomass 2.488.1%Nuclear 5.4217.7%Coal 0.240.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.6avgGeneration 26.9avgTransfers 2.7avg
The day in figurespeaks, averages, totals
Peak demand35.3GW · 10:30
Low 21.4 · 04:40Avg 29.60–40 GW
Made in Great Britain91%of demand
Generation 26.9Transfers 2.7 GW
Net imports66GWh
In
83 Out
17
Zero-carbon share33%of generation
Nuclear 20%Hydro 1%Wind 4%Solar 8%

Transfers · Fri 28 May

Interconnectors and storage

On Friday 28 May 2021, Great Britain imported 83 GWh and exported 17 GWh through its interconnectors. The most came from France (60 GWh), and the most exports went to Ireland (17 GWh).

All interconnectors

Fri 28 May
Imported
83GWh
Exported
17GWh
Net in
66GWh
Average net flow
2.74GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.97GWImporting

In 23.4 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.49GWImporting

In 59.7 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.73GWExporting

In 0.0 GWhOut 17.4 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

Average0.04GWPumping

Generated 5.2 GWhPumped 6.2 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.