Electricity Live

Great Britain’s electricity on Sunday 22 August 2021

On Sunday 22 August, demand averaged 26.4 GW. Renewables supplied 15%.

26.4GW AVERAGEWind2.09 GW8%Hydro0.16 GW1%Biomass1.83 GW7%Solar1.69 GW6%Gas12.05 GW45%Imports4.71 GW17%Nuclear4.49 GW17%26.4GW AVERAGE8%45%17%17%
Price
£106.73/MWh
Day average £106.73
Demand26.4GW
Generation 22.3Transfers 4.1
Fossil fuels45%
Renewables15%
Other41%
Carbon intensityModerate
207g/kWh
0Day average 207300
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 Sunday 22 August 2021, gas supplied 45% of Great Britain’s electricity and nuclear 17%. Demand peaked at 31.8 GW at 12:50. Carbon intensity averaged 207 g/kWh and the price £106.73/MWh. Wind generation peaked at 2.9 GW at 20:55. Solar generation peaked at 5.3 GW at 12:30. Carbon intensity was lowest at 14:30 (182 g/kWh) and highest at 21:00 (227 g/kWh). The wholesale price ranged from £74.84/MWh at 07:30 to £133.22/MWh at 21:00. Gas made 54% 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 1.696.2%Wind 2.097.7%Gas 12.0544.6%Hydro 0.160.6%Biomass 1.836.8%Nuclear 4.4916.6%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 26.4avgGeneration 22.3avgTransfers 4.1avg
The day in figurespeaks, averages, totals
Peak demand31.8GW · 12:50
Low 19.5 · 04:45Avg 26.40–40 GW
Made in Great Britain85%of demand
Generation 22.3Transfers 4.1 GW
Net imports102GWh
In
110 Out
8
Zero-carbon share38%of generation
Nuclear 20%Hydro 1%Wind 9%Solar 8%

Transfers · Sun 22 Aug

Interconnectors and storage

On Sunday 22 August 2021, Great Britain imported 110 GWh and exported 8 GWh through its interconnectors. The most came from France (65 GWh), and the most exports went to Ireland (8 GWh).

All interconnectors

Sun 22 Aug
Imported
110GWh
Exported
8GWh
Net in
102GWh
Average net flow
4.25GW 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

Average2.71GWImporting

In 64.9 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.27GWExporting

In 1.1 GWhOut 7.7 GWh

Netherlands

BritNed

Average0.92GWImporting

In 22.1 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.16GWPumping

Generated 3.3 GWhPumped 7.1 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.