Electricity Live

Great Britain’s electricity on Tuesday 24 August 2021

On Tuesday 24 August, demand averaged 29.6 GW. Renewables supplied 17%.

29.6GW AVERAGEWind2.91 GW10%Hydro0.21 GW1%Biomass1.54 GW5%Solar2.13 GW7%Gas13.03 GW43%Coal0.59 GW2%Imports4.94 GW16%Nuclear4.79 GW16%29.6GW AVERAGE10%7%43%16%16%
Price
£107.67/MWh
Day average £107.67
Demand29.6GW
Generation 25.2Transfers 4.4
Fossil fuels43%
Renewables17%
Other37%
Carbon intensityModerate
217g/kWh
0Day average 217300
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 Tuesday 24 August 2021, gas supplied 43% of Great Britain’s electricity and nuclear 16%. Demand peaked at 35.5 GW at 13:05. Carbon intensity averaged 217 g/kWh and the price £107.67/MWh. Wind generation peaked at 3.8 GW at 18:50. Solar generation peaked at 6.7 GW at 13:00. Carbon intensity was lowest at 00:30 (194 g/kWh) and highest at 20:30 (241 g/kWh). The wholesale price ranged from £78.25/MWh at 07:00 to £137.35/MWh at 09:00. Gas made 52% 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 2.137.1%Wind 2.919.7%Gas 13.0343.2%Hydro 0.210.7%Biomass 1.545.1%Nuclear 4.7915.9%Coal 0.592.0%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.6avgGeneration 25.2avgTransfers 4.4avg
The day in figurespeaks, averages, totals
Peak demand35.5GW · 13:05
Low 20.8 · 03:40Avg 29.60–40 GW
Made in Great Britain85%of demand
Generation 25.2Transfers 4.4 GW
Net imports109GWh
In
115 Out
6
Zero-carbon share40%of generation
Nuclear 19%Hydro 1%Wind 12%Solar 8%

Transfers · Tue 24 Aug

Interconnectors and storage

On Tuesday 24 August 2021, Great Britain imported 115 GWh and exported 6 GWh through its interconnectors. The most came from France (68 GWh), and the most exports went to Ireland (6 GWh).

All interconnectors

Tue 24 Aug
Imported
115GWh
Exported
6GWh
Net in
109GWh
Average net flow
4.53GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.94GWImporting

In 22.6 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.85GWImporting

In 68.3 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.24GWExporting

In 0.3 GWhOut 6.0 GWh

Netherlands

BritNed

Average0.96GWImporting

In 23.0 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.02GWImporting

In 0.6 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.13GWPumping

Generated 3.9 GWhPumped 7.0 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.