Electricity Live

Great Britain’s electricity on Sunday 4 July 2021

On Sunday 4 July, demand averaged 26.4 GW. Renewables supplied 22%.

26.4GW AVERAGEWind4.00 GW15%Hydro0.11 GW0%Biomass1.98 GW7%Solar1.82 GW7%Gas9.48 GW35%Coal0.49 GW2%Imports4.43 GW16%Nuclear4.71 GW17%26.4GW AVERAGE15%7%35%16%17%
Price
£82.81/MWh
Day average £82.81
Demand26.4GW
Generation 22.6Transfers 3.8
Fossil fuels35%
Renewables22%
Other41%
Carbon intensityModerate
182g/kWh
0Day average 182300
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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 4 July 2021, gas supplied 35% of Great Britain’s electricity and nuclear 17%. Demand peaked at 32.4 GW at 16:55. Carbon intensity averaged 182 g/kWh and the price £82.81/MWh. Wind generation peaked at 6.2 GW at 23:30. Solar generation peaked at 5.5 GW at 12:30. Carbon intensity was lowest at 23:30 (139 g/kWh) and highest at 09:30 (204 g/kWh). The wholesale price ranged from £64.53/MWh at 03:30 to £99.38/MWh at 17:30. Gas made 42% 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 1.826.7%Wind 4.0014.8%Gas 9.4835.1%Hydro 0.110.4%Biomass 1.987.3%Nuclear 4.7117.4%Coal 0.491.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 26.4avgGeneration 22.6avgTransfers 3.8avg
The day in figurespeaks, averages, totals
Peak demand32.4GW · 16:55
Low 18.8 · 04:55Avg 26.40–40 GW
Made in Great Britain86%of demand
Generation 22.6Transfers 3.8 GW
Net imports92GWh
In
103 Out
11
Zero-carbon share47%of generation
Nuclear 21%Hydro 0%Wind 18%Solar 8%

Transfers · Sun 4 Jul

Interconnectors and storage

On Sunday 4 July 2021, Great Britain imported 103 GWh and exported 11 GWh through its interconnectors. The most came from France (63 GWh), and the most exports went to Ireland (11 GWh).

All interconnectors

Sun 4 Jul
Imported
103GWh
Exported
11GWh
Net in
92GWh
Average net flow
3.84GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.86GWImporting

In 20.5 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.62GWImporting

In 62.8 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.47GWExporting

In 0.0 GWhOut 11.2 GWh

Netherlands

BritNed

Average0.84GWImporting

In 20.1 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.02GWPumping

Generated 2.9 GWhPumped 3.3 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.