Electricity Live

Great Britain’s electricity on Saturday 31 December 2022

On Saturday 31 December, demand averaged 27.9 GW. Renewables supplied 37%.

27.9GW AVERAGEWind10.34 GW35%Hydro0.56 GW2%Biomass1.02 GW3%Solar0.06 GW0%Gas5.34 GW18%Coal0.77 GW3%Imports5.51 GW19%Nuclear5.72 GW20%27.9GW AVERAGE35%18%19%20%
Price
£127.47/MWh
Day average £127.47
Demand27.9GW
Generation 23.8Transfers 4.2
Fossil fuels18%
Renewables37%
Other42%
Carbon intensityLow
115g/kWh
0Day average 115300
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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 31 December 2022, wind supplied 35% of Great Britain’s electricity and nuclear 20%. Demand peaked at 35.2 GW at 16:50. Carbon intensity averaged 115 g/kWh and the price £127.47/MWh. Wind generation peaked at 14.4 GW at 23:45. Carbon intensity was lowest at 23:30 (65 g/kWh) and highest at 12:00 (174 g/kWh). The wholesale price ranged from −£31.89/MWh at 00:00 to £315.86/MWh at 12:30. The price was below zero for 2.5 hours. Wind made 43% of the electricity generated in Great Britain, compared with 28% across 2022.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.060.2%Wind 10.3435.3%Gas 5.3418.2%Hydro 0.561.9%Biomass 1.023.5%Nuclear 5.7219.5%Coal 0.772.6%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 27.9avgGeneration 23.8avgTransfers 4.2avg
The day in figurespeaks, averages, totals
Peak demand35.2GW · 16:50
Low 21.2 · 04:55Avg 27.90–40 GW
Made in Great Britain85%of demand
Generation 23.8Transfers 4.2 GW
Net imports98GWh
In
121 Out
23
Zero-carbon share70%of generation
Nuclear 24%Hydro 2%Wind 43%Solar 0%

Transfers · Sat 31 Dec

Interconnectors and storage

On Saturday 31 December 2022, Great Britain imported 121 GWh and exported 23 GWh through its interconnectors. The most came from France (70 GWh), and the most exports went to Ireland (18 GWh).

All interconnectors

Sat 31 Dec
Imported
121GWh
Exported
23GWh
Net in
98GWh
Average net flow
4.07GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.56GWImporting

In 14.9 GWhOut 1.5 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.91GWImporting

In 69.7 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.74GWExporting

In 0.0 GWhOut 17.8 GWh

Netherlands

BritNed

Average0.41GWImporting

In 13.5 GWhOut 3.5 GWh

Norway

North Sea Link

Average0.93GWImporting

In 22.4 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.08GWGenerating

Generated 11.8 GWhPumped 9.9 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.