Electricity Live

Great Britain’s electricity on Friday 30 July 2021

On Friday 30 July, demand averaged 28.4 GW. Renewables supplied 23%.

28.4GW AVERAGEWind5.32 GW18%Hydro0.14 GW0%Biomass2.13 GW7%Solar1.23 GW4%Gas12.38 GW43%Coal0.62 GW2%Imports3.76 GW13%Nuclear3.51 GW12%28.4GW AVERAGE18%7%43%13%12%
Price
£94.90/MWh
Day average £94.90
Demand28.4GW
Generation 25.3Transfers 3.1
Fossil fuels43%
Renewables23%
Other32%
Carbon intensityModerate
207g/kWh
0Day average 207300
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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 Friday 30 July 2021, gas supplied 43% of Great Britain’s electricity and wind 18%. Demand peaked at 34.5 GW at 12:10. Carbon intensity averaged 207 g/kWh and the price £94.90/MWh. Wind generation peaked at 7.8 GW at 23:40. Solar generation peaked at 3.7 GW at 13:30. Carbon intensity was lowest at 23:30 (153 g/kWh) and highest at 08:00 (234 g/kWh). The wholesale price ranged from £72.30/MWh at 07:30 to £114.10/MWh at 00:00. Gas made 49% 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 1.234.2%Wind 5.3218.3%Gas 12.3842.5%Hydro 0.140.5%Biomass 2.137.3%Nuclear 3.5112.1%Coal 0.622.1%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.4avgGeneration 25.3avgTransfers 3.1avg
The day in figurespeaks, averages, totals
Peak demand34.5GW · 12:10
Low 20.3 · 03:25Avg 28.40–40 GW
Made in Great Britain89%of demand
Generation 25.3Transfers 3.1 GW
Net imports75GWh
In
90 Out
15
Zero-carbon share40%of generation
Nuclear 14%Hydro 1%Wind 21%Solar 5%

Transfers · Fri 30 Jul

Interconnectors and storage

On Friday 30 July 2021, Great Britain imported 90 GWh and exported 15 GWh through its interconnectors. The most came from France (50 GWh), and the most exports went to Ireland (15 GWh).

All interconnectors

Fri 30 Jul
Imported
90GWh
Exported
15GWh
Net in
75GWh
Average net flow
3.12GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.93GWImporting

In 22.3 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.09GWImporting

In 50.2 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.61GWExporting

In 0.0 GWhOut 14.6 GWh

Netherlands

BritNed

Average0.71GWImporting

In 17.0 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.06GWPumping

Generated 0.7 GWhPumped 2.1 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.