Electricity Live

Great Britain’s electricity on Saturday 14 August 2021

On Saturday 14 August, demand averaged 26.2 GW. Renewables supplied 33%.

26.2GW AVERAGEWind6.74 GW25%Hydro0.22 GW1%Biomass1.46 GW6%Solar1.81 GW7%Gas8.14 GW31%Coal0.68 GW3%Imports3.34 GW13%Nuclear4.11 GW15%26.2GW AVERAGE25%31%13%15%
Price
£104.05/MWh
Day average £104.05
Demand26.2GW
Generation 23.2Transfers 3.0
Fossil fuels31%
Renewables33%
Other34%
Carbon intensityModerate
163g/kWh
0Day average 163300
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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 Saturday 14 August 2021, gas supplied 31% of Great Britain’s electricity and wind 25%. Demand peaked at 30.9 GW at 12:05. Carbon intensity averaged 163 g/kWh and the price £104.05/MWh. Wind generation peaked at 11.2 GW at 00:55. Solar generation peaked at 5.6 GW at 13:30. Carbon intensity was lowest at 00:30 (118 g/kWh) and highest at 22:00 (235 g/kWh). The wholesale price ranged from £79.19/MWh at 17:00 to £128.76/MWh at 23:30. Gas made 35% 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 1.816.8%Wind 6.7425.4%Gas 8.1430.7%Hydro 0.220.8%Biomass 1.465.5%Nuclear 4.1115.5%Coal 0.682.6%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 26.2avgGeneration 23.2avgTransfers 3.0avg
The day in figurespeaks, averages, totals
Peak demand30.9GW · 12:05
Low 19.9 · 04:30Avg 26.20–40 GW
Made in Great Britain89%of demand
Generation 23.2Transfers 3.0 GW
Net imports72GWh
In
76 Out
5
Zero-carbon share56%of generation
Nuclear 18%Hydro 1%Wind 29%Solar 8%

Transfers · Sat 14 Aug

Interconnectors and storage

On Saturday 14 August 2021, Great Britain imported 76 GWh and exported 5 GWh through its interconnectors. The most came from France (46 GWh), and the most exports went to Ireland (3 GWh).

All interconnectors

Sat 14 Aug
Imported
76GWh
Exported
5GWh
Net in
72GWh
Average net flow
2.99GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.67GWImporting

In 16.1 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.92GWImporting

In 46.1 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.07GWExporting

In 1.6 GWhOut 3.3 GWh

Netherlands

BritNed

Average0.47GWImporting

In 12.5 GWhOut 1.3 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.00GWIdle

Generated 3.9 GWhPumped 3.8 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.