Electricity Live

Great Britain’s electricity on Sunday 11 July 2021

On Sunday 11 July, demand averaged 25.8 GW. Renewables supplied 11%.

25.8GW AVERAGEWind1.41 GW5%Hydro0.14 GW1%Biomass2.01 GW8%Solar1.48 GW6%Gas11.46 GW43%Coal0.91 GW3%Imports4.40 GW17%Nuclear4.68 GW18%25.8GW AVERAGE8%43%17%18%
Price
£98.54/MWh
Day average £98.54
Demand25.8GW
Generation 22.1Transfers 3.7
Fossil fuels43%
Renewables11%
Other42%
Carbon intensityHigh
238g/kWh
0Day average 238300
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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 Sunday 11 July 2021, gas supplied 43% of Great Britain’s electricity and nuclear 18%. Demand peaked at 31.3 GW at 17:55. Carbon intensity averaged 238 g/kWh and the price £98.54/MWh. Wind generation peaked at 2.3 GW at 17:55. Solar generation peaked at 4.3 GW at 11:30. Carbon intensity was lowest at 11:00 (216 g/kWh) and highest at 00:00 (260 g/kWh). The wholesale price ranged from £76.26/MWh at 03:00 to £125.62/MWh at 17:30. 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 1.485.6%Wind 1.415.3%Gas 11.4643.3%Hydro 0.140.5%Biomass 2.017.6%Nuclear 4.6817.7%Coal 0.913.4%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 25.8avgGeneration 22.1avgTransfers 3.7avg
The day in figurespeaks, averages, totals
Peak demand31.3GW · 17:55
Low 18.7 · 05:25Avg 25.80–40 GW
Made in Great Britain86%of demand
Generation 22.1Transfers 3.7 GW
Net imports90GWh
In
101 Out
11
Zero-carbon share35%of generation
Nuclear 21%Hydro 1%Wind 6%Solar 7%

Transfers · Sun 11 Jul

Interconnectors and storage

On Sunday 11 July 2021, Great Britain imported 101 GWh and exported 11 GWh through its interconnectors. The most came from France (59 GWh), and the most exports went to Ireland (11 GWh).

All interconnectors

Sun 11 Jul
Imported
101GWh
Exported
11GWh
Net in
90GWh
Average net flow
3.76GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.87GWImporting

In 20.8 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.46GWImporting

In 59.0 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.45GWExporting

In 0.0 GWhOut 10.8 GWh

Netherlands

BritNed

Average0.88GWImporting

In 21.2 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.09GWPumping

Generated 4.6 GWhPumped 6.6 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.