Electricity Live

Great Britain’s electricity on Wednesday 7 July 2021

On Wednesday 7 July, demand averaged 29.8 GW. Renewables supplied 28%.

29.8GW AVERAGEWind6.56 GW21%Hydro0.16 GW1%Biomass2.05 GW7%Solar1.98 GW6%Gas10.58 GW35%Coal0.54 GW2%Imports4.04 GW13%Nuclear4.71 GW15%29.8GW AVERAGE21%35%13%15%
Price
£89.38/MWh
Day average £89.38
Demand29.8GW
Generation 26.6Transfers 3.2
Fossil fuels35%
Renewables28%
Other35%
Carbon intensityModerate
176g/kWh
0Day average 176300
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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 Wednesday 7 July 2021, gas supplied 35% of Great Britain’s electricity and wind 21%. Demand peaked at 36.3 GW at 12:45. Carbon intensity averaged 176 g/kWh and the price £89.38/MWh. Wind generation peaked at 8.7 GW at 01:15. Solar generation peaked at 5.7 GW at 12:30. Carbon intensity was lowest at 01:00 (114 g/kWh) and highest at 20:00 (226 g/kWh). The wholesale price ranged from £65.19/MWh at 03:30 to £124.43/MWh at 19:00. Gas made 40% 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 1.986.4%Wind 6.5621.4%Gas 10.5834.6%Hydro 0.160.5%Biomass 2.056.7%Nuclear 4.7115.4%Coal 0.541.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.8avgGeneration 26.6avgTransfers 3.2avg
The day in figurespeaks, averages, totals
Peak demand36.3GW · 12:45
Low 21.0 · 04:45Avg 29.80–40 GW
Made in Great Britain89%of demand
Generation 26.6Transfers 3.2 GW
Net imports83GWh
In
94 Out
11
Zero-carbon share50%of generation
Nuclear 18%Hydro 1%Wind 25%Solar 7%

Transfers · Wed 7 Jul

Interconnectors and storage

On Wednesday 7 July 2021, Great Britain imported 94 GWh and exported 11 GWh through its interconnectors. The most came from France (53 GWh), and the most exports went to Ireland (11 GWh).

All interconnectors

Wed 7 Jul
Imported
94GWh
Exported
11GWh
Net in
83GWh
Average net flow
3.45GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.85GWImporting

In 20.3 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.19GWImporting

In 52.6 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.45GWExporting

In 0.0 GWhOut 10.9 GWh

Netherlands

BritNed

Average0.86GWImporting

In 20.7 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.21GWPumping

Generated 3.3 GWhPumped 8.4 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.