Electricity Live

Great Britain’s electricity on Tuesday 31 December 2024

On Tuesday 31 December, demand averaged 31.2 GW. Renewables supplied 61%.

31.2GW AVERAGEWind20.01 GW58%Hydro0.74 GW2%Biomass1.10 GW3%Solar0.27 GW1%Gas4.21 GW12%Imports2.85 GW8%Nuclear5.05 GW15%31.2GW AVERAGE58%12%8%15%
Price
£30.30/MWh
Day average £30.30
Demand31.2GW
Generation 31.4Transfers −0.2
Fossil fuels12%
Renewables61%
Other26%
Carbon intensityLow
61g/kWh
0Day average 61300
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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 31 December 2024, wind supplied 58% of Great Britain’s electricity and nuclear 15%. Demand peaked at 38.2 GW at 17:20. Carbon intensity averaged 61 g/kWh and the price £30.30/MWh. Wind generation peaked at 21.8 GW at 17:25. Solar generation peaked at 1.8 GW at 11:00. Carbon intensity was lowest at 23:00 (49 g/kWh) and highest at 08:00 (77 g/kWh). The wholesale price ranged from −£10.54/MWh at 05:00 to £91.29/MWh at 17:00. The price was below zero for 4 hours. Wind made 64% of the electricity generated in Great Britain, compared with 35% across 2024.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.270.8%Wind 20.0158.5%Gas 4.2112.3%Hydro 0.742.2%Biomass 1.103.2%Nuclear 5.0514.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.2avgGeneration 31.4avgTransfers −0.2avg
The day in figurespeaks, averages, totals
Peak demand38.2GW · 17:20
Low 23.3 · 04:55Avg 31.20–40 GW
Made in Great Britain101%of demand
Generation 31.4Transfers −0.2 GW
Net imports3GWh
In
61 Out
58
Zero-carbon share83%of generation
Nuclear 16%Hydro 2%Wind 64%Solar 1%

Transfers · Tue 31 Dec

Interconnectors and storage

On Tuesday 31 December 2024, Great Britain imported 61 GWh and exported 58 GWh through its interconnectors. The most came from Norway (28 GWh), and the most exports went to France (40 GWh).

All interconnectors

Tue 31 Dec
Imported
61GWh
Exported
58GWh
Net in
3GWh
Average net flow
0.13GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.07GWImporting

In 7.6 GWhOut 5.8 GWh

Denmark

Viking Link

Average0.55GWImporting

In 18.7 GWhOut 5.4 GWh

France

IFA · IFA2 · ElecLink

Average1.66GWExporting

In 0.1 GWhOut 40.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.02GWImporting

In 7.5 GWhOut 7.0 GWh

Netherlands

BritNed

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Norway

North Sea Link

Average1.15GWImporting

In 27.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.32GWPumping

Generated 6.9 GWhPumped 14.6 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.