Electricity Live

Great Britain’s electricity on Monday 21 August 2023

On Monday 21 August, demand averaged 27.2 GW. Renewables supplied 42%.

27.2GW AVERAGEWind9.77 GW33%Hydro0.19 GW1%Biomass0.73 GW2%Solar2.39 GW8%Gas9.99 GW34%Coal0.02 GW0%Imports2.01 GW7%Nuclear4.35 GW15%27.2GW AVERAGE33%8%34%15%
Price
£99.34/MWh
Day average £99.34
Demand27.2GW
Generation 27.4Transfers −0.2
Fossil fuels34%
Renewables42%
Other24%
Carbon intensityModerate
149g/kWh
0Day average 149300
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 August 2023, gas supplied 34% of Great Britain’s electricity and wind 33%. Demand peaked at 34.2 GW at 12:50. Carbon intensity averaged 149 g/kWh and the price £99.34/MWh. Wind generation peaked at 12.3 GW at 17:35. Solar generation peaked at 7.8 GW at 13:30. Carbon intensity was lowest at 13:30 (119 g/kWh) and highest at 19:00 (177 g/kWh). The wholesale price ranged from £70.42/MWh at 12:30 to £129.38/MWh at 19:00. Gas made 36% of the electricity generated in Great Britain, compared with 36% across 2023.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 2.398.1%Wind 9.7733.2%Gas 9.9933.9%Hydro 0.190.7%Biomass 0.732.5%Nuclear 4.3514.8%Coal 0.020.1%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 27.2avgGeneration 27.4avgTransfers −0.2avg
The day in figurespeaks, averages, totals
Peak demand34.2GW · 12:50
Low 18.7 · 02:55Avg 27.20–40 GW
Made in Great Britain101%of demand
Generation 27.4Transfers −0.2 GW
Net exports4GWh
In
47 Out
52
Zero-carbon share61%of generation
Nuclear 16%Hydro 1%Wind 36%Solar 9%

Transfers · Mon 21 Aug

Interconnectors and storage

On Monday 21 August 2023, Great Britain imported 47 GWh and exported 52 GWh through its interconnectors. The most came from Norway (34 GWh), and the most exports went to France (26 GWh).

All interconnectors

Mon 21 Aug
Imported
47GWh
Exported
52GWh
Net out
4GWh
Average net flow
0.17GW out

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.50GWExporting

In 0.7 GWhOut 12.7 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.06GWExporting

In 0.8 GWhOut 26.3 GWh

Ireland

Moyle · East–West · Greenlink

Average0.35GWImporting

In 8.3 GWhOut 0.0 GWh

Netherlands

BritNed

Average0.36GWExporting

In 4.1 GWhOut 12.6 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.6 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.07GWPumping

Generated 0.7 GWhPumped 2.3 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.