Electricity Live

Great Britain’s electricity on Thursday 19 August 2021

On Thursday 19 August, demand averaged 29.5 GW. Renewables supplied 12%.

29.5GW AVERAGEWind1.76 GW6%Hydro0.22 GW1%Biomass2.09 GW7%Solar1.52 GW5%Gas14.58 GW49%Coal0.56 GW2%Imports5.16 GW17%Nuclear4.17 GW14%29.5GW AVERAGE49%17%14%
Price
£126.95/MWh
Day average £126.95
Demand29.5GW
Generation 24.9Transfers 4.6
Fossil fuels49%
Renewables12%
Other38%
Carbon intensityHigh
240g/kWh
0Day average 240300
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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 Thursday 19 August 2021, gas supplied 49% of Great Britain’s electricity and nuclear 14%. Demand peaked at 34.9 GW at 14:20. Carbon intensity averaged 240 g/kWh and the price £126.95/MWh. Wind generation peaked at 4.4 GW at 00:05. Solar generation peaked at 5.0 GW at 14:00. Carbon intensity was lowest at 00:30 (195 g/kWh) and highest at 08:00 (267 g/kWh). The wholesale price ranged from £79.49/MWh at 00:30 to £184.13/MWh at 15:30. Gas made 59% 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 1.525.1%Wind 1.765.8%Gas 14.5848.5%Hydro 0.220.7%Biomass 2.096.9%Nuclear 4.1713.9%Coal 0.561.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.5avgGeneration 24.9avgTransfers 4.6avg
The day in figurespeaks, averages, totals
Peak demand34.9GW · 14:20
Low 21.2 · 03:45Avg 29.50–40 GW
Made in Great Britain84%of demand
Generation 24.9Transfers 4.6 GW
Net imports109GWh
In
115 Out
6
Zero-carbon share31%of generation
Nuclear 17%Hydro 1%Wind 7%Solar 6%

Transfers · Thu 19 Aug

Interconnectors and storage

On Thursday 19 August 2021, Great Britain imported 115 GWh and exported 6 GWh through its interconnectors. The most came from France (69 GWh), and the most exports went to Ireland (5 GWh).

All interconnectors

Thu 19 Aug
Imported
115GWh
Exported
6GWh
Net in
109GWh
Average net flow
4.55GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.96GWImporting

In 23.0 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.86GWImporting

In 68.7 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.20GWExporting

In 0.3 GWhOut 5.1 GWh

Netherlands

BritNed

Average0.96GWImporting

In 23.1 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.04GWExporting

In 0.0 GWhOut 0.9 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.09GWGenerating

Generated 8.8 GWhPumped 6.7 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.