Electricity Live

Great Britain’s electricity on Tuesday 21 February 2023

On Tuesday 21 February, demand averaged 32.4 GW. Renewables supplied 28%.

32.4GW AVERAGEWind7.80 GW24%Hydro0.64 GW2%Biomass1.33 GW4%Solar0.67 GW2%Gas14.38 GW44%Coal0.12 GW0%Imports5.03 GW15%Nuclear2.83 GW9%32.4GW AVERAGE24%44%15%9%
Price
£152.57/MWh
Day average £152.57
Demand32.4GW
Generation 27.8Transfers 4.6
Fossil fuels44%
Renewables28%
Other28%
Carbon intensityHigh
202g/kWh
0Day average 202300
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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 Tuesday 21 February 2023, gas supplied 44% of Great Britain’s electricity and wind 24%. Demand peaked at 39.3 GW at 18:00. Carbon intensity averaged 202 g/kWh and the price £152.57/MWh. Wind generation peaked at 10.5 GW at 00:00. Solar generation peaked at 3.1 GW at 13:30. Carbon intensity was lowest at 02:00 (157 g/kWh) and highest at 06:30 (244 g/kWh). The wholesale price ranged from £111.08/MWh at 23:00 to £180.08/MWh at 07:30. Gas made 52% of the electricity generated in Great Britain, compared with 36% across 2023.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.672.0%Wind 7.8023.8%Gas 14.3843.9%Hydro 0.642.0%Biomass 1.334.1%Nuclear 2.838.6%Coal 0.120.4%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 32.4avgGeneration 27.8avgTransfers 4.6avg
The day in figurespeaks, averages, totals
Peak demand39.3GW · 18:00
Low 22.5 · 04:05Avg 32.40–40 GW
Made in Great Britain86%of demand
Generation 27.8Transfers 4.6 GW
Net imports110GWh
In
114 Out
4
Zero-carbon share43%of generation
Nuclear 10%Hydro 2%Wind 28%Solar 2%

Transfers · Tue 21 Feb

Interconnectors and storage

On Tuesday 21 February 2023, Great Britain imported 114 GWh and exported 4 GWh through its interconnectors. The most came from France (45 GWh), and the most exports went to France (3 GWh).

All interconnectors

Tue 21 Feb
Imported
114GWh
Exported
4GWh
Net in
110GWh
Average net flow
4.60GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.57GWImporting

In 13.6 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.75GWImporting

In 45.4 GWhOut 3.4 GWh

Ireland

Moyle · East–West · Greenlink

Average0.40GWImporting

In 9.5 GWhOut 0.0 GWh

Netherlands

BritNed

Average0.70GWImporting

In 17.0 GWhOut 0.1 GWh

Norway

North Sea Link

Average1.18GWImporting

In 28.4 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.03GWGenerating

Generated 6.7 GWhPumped 6.0 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.