Electricity Live

Great Britain’s electricity on Friday 3 September 2021

On Friday 3 September, demand averaged 29.0 GW. Renewables supplied 14%.

29.0GW AVERAGEWind2.71 GW9%Hydro0.13 GW0%Biomass1.49 GW5%Solar1.34 GW4%Gas14.21 GW47%Coal0.74 GW2%Imports5.04 GW17%Nuclear4.39 GW15%29.0GW AVERAGE9%47%17%15%
Price
£145.54/MWh
Day average £145.54
Demand29.0GW
Generation 25.0Transfers 4.0
Fossil fuels47%
Renewables14%
Other36%
Carbon intensityHigh
238g/kWh
0Day average 238300
Save as image
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 3 September 2021, gas supplied 47% of Great Britain’s electricity and nuclear 15%. Demand peaked at 34.3 GW at 12:45. Carbon intensity averaged 238 g/kWh and the price £145.54/MWh. Wind generation peaked at 4.1 GW at 00:00. Solar generation peaked at 4.4 GW at 13:30. Carbon intensity was lowest at 00:00 (214 g/kWh) and highest at 06:30 (260 g/kWh). The wholesale price ranged from £89.68/MWh at 04:30 to £199.11/MWh at 12:00. Gas made 57% 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 1.344.4%Wind 2.719.0%Gas 14.2147.3%Hydro 0.130.4%Biomass 1.495.0%Nuclear 4.3914.6%Coal 0.742.5%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.0avgGeneration 25.0avgTransfers 4.0avg
The day in figurespeaks, averages, totals
Peak demand34.3GW · 12:45
Low 20.3 · 02:30Avg 29.00–40 GW
Made in Great Britain86%of demand
Generation 25.0Transfers 4.0 GW
Net imports100GWh
In
114 Out
14
Zero-carbon share34%of generation
Nuclear 18%Hydro 1%Wind 11%Solar 5%

Transfers · Fri 3 Sept

Interconnectors and storage

On Friday 3 September 2021, Great Britain imported 114 GWh and exported 14 GWh through its interconnectors. The most came from France (70 GWh), and the most exports went to Ireland (14 GWh).

All interconnectors

Fri 3 Sept
Imported
114GWh
Exported
14GWh
Net in
100GWh
Average net flow
4.17GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.88GWImporting

In 21.2 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.92GWImporting

In 70.0 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.57GWExporting

In 0.0 GWhOut 13.8 GWh

Netherlands

BritNed

Average0.95GWImporting

In 22.8 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.1 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.16GWPumping

Generated 6.9 GWhPumped 10.7 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.