Electricity Live

Great Britain’s electricity on Monday 21 June 2021

On Monday 21 June, demand averaged 29.8 GW. Renewables supplied 27%.

29.8GW AVERAGEWind6.81 GW23%Hydro0.12 GW0%Biomass2.14 GW7%Solar1.26 GW4%Gas10.27 GW34%Coal0.22 GW1%Imports4.65 GW15%Nuclear4.70 GW16%29.8GW AVERAGE23%7%34%15%16%
Price
£74.48/MWh
Day average £74.48
Demand29.8GW
Generation 25.5Transfers 4.3
Fossil fuels34%
Renewables27%
Other38%
Carbon intensityModerate
165g/kWh
0Day average 165300
Save as image
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 21 June 2021, gas supplied 34% of Great Britain’s electricity and wind 23%. Demand peaked at 36.7 GW at 17:25. Carbon intensity averaged 165 g/kWh and the price £74.48/MWh. Wind generation peaked at 8.7 GW at 17:55. Solar generation peaked at 3.6 GW at 12:00. Carbon intensity was lowest at 04:30 (120 g/kWh) and highest at 09:00 (188 g/kWh). The wholesale price ranged from £54.64/MWh at 03:30 to £89.57/MWh at 18:00. Gas made 40% 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 1.264.2%Wind 6.8122.6%Gas 10.2734.0%Hydro 0.120.4%Biomass 2.147.1%Nuclear 4.7015.6%Coal 0.220.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.8avgGeneration 25.5avgTransfers 4.3avg
The day in figurespeaks, averages, totals
Peak demand36.7GW · 17:25
Low 19.6 · 04:45Avg 29.80–40 GW
Made in Great Britain86%of demand
Generation 25.5Transfers 4.3 GW
Net imports109GWh
In
110 Out
1
Zero-carbon share51%of generation
Nuclear 18%Hydro 0%Wind 27%Solar 5%

Transfers · Mon 21 Jun

Interconnectors and storage

On Monday 21 June 2021, Great Britain imported 110 GWh and exported 1 GWh through its interconnectors. The most came from France (62 GWh).

All interconnectors

Mon 21 Jun
Imported
110GWh
Exported
1GWh
Net in
109GWh
Average net flow
4.53GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.90GWImporting

In 21.6 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.59GWImporting

In 62.3 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.30GWImporting

In 8.1 GWhOut 0.9 GWh

Netherlands

BritNed

Average0.74GWImporting

In 17.7 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.24GWPumping

Generated 1.9 GWhPumped 7.6 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.