Electricity Live

Great Britain’s electricity on Saturday 21 May 2022

On Saturday 21 May, demand averaged 25.5 GW. Renewables supplied 39%.

25.5GW AVERAGEWind8.25 GW29%Hydro0.33 GW1%Biomass0.29 GW1%Solar2.49 GW9%Gas11.23 GW39%Imports1.10 GW4%Nuclear4.94 GW17%25.5GW AVERAGE29%9%39%17%
Price
£117.12/MWh
Day average £117.12
Demand25.5GW
Generation 27.5Transfers −2.1
Fossil fuels39%
Renewables39%
Other22%
Carbon intensityModerate
164g/kWh
0Day average 164300
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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 Saturday 21 May 2022, gas supplied 39% of Great Britain’s electricity and wind 29%. Demand peaked at 30.7 GW at 11:10. Carbon intensity averaged 164 g/kWh and the price £117.12/MWh. Wind generation peaked at 13.2 GW at 02:25. Solar generation peaked at 7.2 GW at 13:30. Carbon intensity was lowest at 02:30 (99 g/kWh) and highest at 22:00 (235 g/kWh). The wholesale price ranged from £66.45/MWh at 03:30 to £168.66/MWh at 18:00. Gas made 41% of the electricity generated in Great Britain, compared with 41% across 2022.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 2.498.7%Wind 8.2528.8%Gas 11.2339.2%Hydro 0.331.1%Biomass 0.291.0%Nuclear 4.9417.3%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 25.5avgGeneration 27.5avgTransfers −2.1avg
The day in figurespeaks, averages, totals
Peak demand30.7GW · 11:10
Low 19.1 · 05:15Avg 25.50–40 GW
Made in Great Britain108%of demand
Generation 27.5Transfers −2.1 GW
Net exports46GWh
In
22 Out
68
Zero-carbon share58%of generation
Nuclear 18%Hydro 1%Wind 30%Solar 9%

Transfers · Sat 21 May

Interconnectors and storage

On Saturday 21 May 2022, Great Britain imported 22 GWh and exported 68 GWh through its interconnectors. The most came from Netherlands (8 GWh), and the most exports went to France (39 GWh).

All interconnectors

Sat 21 May
Imported
22GWh
Exported
68GWh
Net out
46GWh
Average net flow
1.93GW out

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.04GWExporting

In 6.8 GWhOut 7.6 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.64GWExporting

In 0.0 GWhOut 39.4 GWh

Ireland

Moyle · East–West · Greenlink

Average0.26GWImporting

In 6.7 GWhOut 0.5 GWh

Netherlands

BritNed

Average0.17GWExporting

In 7.6 GWhOut 11.7 GWh

Norway

North Sea Link

Average0.34GWExporting

In 0.8 GWhOut 9.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.13GWPumping

Generated 4.5 GWhPumped 7.7 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.