Electricity Live

Great Britain’s electricity on Sunday 20 June 2021

On Sunday 20 June, demand averaged 26.5 GW. Renewables supplied 18%.

26.5GW AVERAGEWind3.47 GW13%Hydro0.12 GW0%Biomass1.64 GW6%Solar1.33 GW5%Gas10.09 GW38%Coal0.22 GW1%Imports4.36 GW16%Nuclear5.64 GW21%26.5GW AVERAGE13%38%16%21%
Price
£80.50/MWh
Day average £80.50
Demand26.5GW
Generation 22.5Transfers 4.0
Fossil fuels38%
Renewables18%
Other43%
Carbon intensityModerate
174g/kWh
0Day average 174300
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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 20 June 2021, gas supplied 38% of Great Britain’s electricity and nuclear 21%. Demand peaked at 32.4 GW at 17:20. Carbon intensity averaged 174 g/kWh and the price £80.50/MWh. Wind generation peaked at 6.2 GW at 00:55. Solar generation peaked at 4.3 GW at 13:00. Carbon intensity was lowest at 03:30 (117 g/kWh) and highest at 19:30 (206 g/kWh). The wholesale price ranged from £57.87/MWh at 23:00 to £107.02/MWh at 12:00. Gas made 45% 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 1.334.9%Wind 3.4712.9%Gas 10.0937.5%Hydro 0.120.5%Biomass 1.646.1%Nuclear 5.6421.0%Coal 0.220.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 26.5avgGeneration 22.5avgTransfers 4.0avg
The day in figurespeaks, averages, totals
Peak demand32.4GW · 17:20
Low 18.8 · 04:50Avg 26.50–40 GW
Made in Great Britain85%of demand
Generation 22.5Transfers 4.0 GW
Net imports100GWh
In
102 Out
3
Zero-carbon share47%of generation
Nuclear 25%Hydro 1%Wind 15%Solar 6%

Transfers · Sun 20 Jun

Interconnectors and storage

On Sunday 20 June 2021, Great Britain imported 102 GWh and exported 3 GWh through its interconnectors. The most came from France (62 GWh), and the most exports went to Ireland (3 GWh).

All interconnectors

Sun 20 Jun
Imported
102GWh
Exported
3GWh
Net in
100GWh
Average net flow
4.15GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.83GWImporting

In 20.0 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.57GWImporting

In 61.7 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.02GWImporting

In 3.2 GWhOut 2.7 GWh

Netherlands

BritNed

Average0.73GWImporting

In 17.5 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.19GWPumping

Generated 2.1 GWhPumped 6.8 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.