Electricity Live

Great Britain’s electricity on Saturday 21 January 2023

On Saturday 21 January, demand averaged 34.5 GW. Renewables supplied 27%.

34.5GW AVERAGEWind8.10 GW23%Hydro0.48 GW1%Biomass1.61 GW5%Solar1.00 GW3%Gas12.31 GW35%Coal0.96 GW3%Imports5.31 GW15%Nuclear5.13 GW15%34.5GW AVERAGE23%35%15%15%
Price
£146.04/MWh
Day average £146.04
Demand34.5GW
Generation 29.6Transfers 4.9
Fossil fuels35%
Renewables27%
Other35%
Carbon intensityModerate
192g/kWh
0Day average 192300
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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 21 January 2023, gas supplied 35% of Great Britain’s electricity and wind 23%. Demand peaked at 41.4 GW at 17:45. Carbon intensity averaged 192 g/kWh and the price £146.04/MWh. Wind generation peaked at 8.8 GW at 20:25. Solar generation peaked at 4.9 GW at 12:30. Carbon intensity was lowest at 23:30 (152 g/kWh) and highest at 07:00 (215 g/kWh). The wholesale price ranged from £110.99/MWh at 04:30 to £200.65/MWh at 17:30. Gas made 42% 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 1.002.9%Wind 8.1023.2%Gas 12.3135.3%Hydro 0.481.4%Biomass 1.614.6%Nuclear 5.1314.7%Coal 0.962.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 34.5avgGeneration 29.6avgTransfers 4.9avg
The day in figurespeaks, averages, totals
Peak demand41.4GW · 17:45
Low 26.4 · 05:00Avg 34.50–60 GW
Made in Great Britain86%of demand
Generation 29.6Transfers 4.9 GW
Net imports125GWh
In
125 Out
0
Zero-carbon share50%of generation
Nuclear 17%Hydro 2%Wind 27%Solar 3%

Transfers · Sat 21 Jan

Interconnectors and storage

On Saturday 21 January 2023, Great Britain imported 125 GWh and exported 0 GWh through its interconnectors. The most came from France (50 GWh).

All interconnectors

Sat 21 Jan
Imported
125GWh
Exported
0GWh
Net in
125GWh
Average net flow
5.20GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.72GWImporting

In 17.2 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.09GWImporting

In 50.1 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.28GWImporting

In 7.1 GWhOut 0.3 GWh

Netherlands

BritNed

Average0.89GWImporting

In 21.5 GWhOut 0.0 GWh

Norway

North Sea Link

Average1.21GWImporting

In 29.1 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.31GWPumping

Generated 2.5 GWhPumped 9.8 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.