Electricity Live

Great Britain’s electricity on Saturday 4 February 2023

On Saturday 4 February, demand averaged 30.2 GW. Renewables supplied 34%.

30.2GW AVERAGEWind9.60 GW31%Hydro0.65 GW2%Biomass1.65 GW5%Solar0.22 GW1%Gas7.48 GW24%Coal0.37 GW1%Imports5.96 GW19%Nuclear4.81 GW16%30.2GW AVERAGE31%24%19%16%
Price
£145.71/MWh
Day average £145.71
Demand30.2GW
Generation 24.8Transfers 5.4
Fossil fuels24%
Renewables34%
Other40%
Carbon intensityModerate
128g/kWh
0Day average 128300
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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 Saturday 4 February 2023, wind supplied 31% of Great Britain’s electricity and gas 24%. Demand peaked at 37.6 GW at 17:20. Carbon intensity averaged 128 g/kWh and the price £145.71/MWh. Wind generation peaked at 12.8 GW at 18:25. Solar generation peaked at 1.1 GW at 12:00. Carbon intensity was lowest at 23:30 (71 g/kWh) and highest at 09:30 (163 g/kWh). The wholesale price ranged from £91.87/MWh at 23:30 to £183.36/MWh at 00:30. Wind made 39% of the electricity generated in Great Britain, compared with 33% across 2023.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.220.7%Wind 9.6031.2%Gas 7.4824.4%Hydro 0.652.1%Biomass 1.655.4%Nuclear 4.8115.7%Coal 0.371.2%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 30.2avgGeneration 24.8avgTransfers 5.4avg
The day in figurespeaks, averages, totals
Peak demand37.6GW · 17:20
Low 22.6 · 04:55Avg 30.20–40 GW
Made in Great Britain82%of demand
Generation 24.8Transfers 5.4 GW
Net imports135GWh
In
142 Out
7
Zero-carbon share62%of generation
Nuclear 19%Hydro 3%Wind 39%Solar 1%

Transfers · Sat 4 Feb

Interconnectors and storage

On Saturday 4 February 2023, Great Britain imported 142 GWh and exported 7 GWh through its interconnectors. The most came from France (84 GWh), and the most exports went to Ireland (7 GWh).

All interconnectors

Sat 4 Feb
Imported
142GWh
Exported
7GWh
Net in
135GWh
Average net flow
5.62GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.65GWImporting

In 15.6 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average3.48GWImporting

In 83.6 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.09GWExporting

In 4.3 GWhOut 6.6 GWh

Netherlands

BritNed

Average0.47GWImporting

In 11.6 GWhOut 0.3 GWh

Norway

North Sea Link

Average1.11GWImporting

In 26.6 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.19GWPumping

Generated 1.2 GWhPumped 5.7 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.