Electricity Live

Great Britain’s electricity on Friday 20 December 2024

On Friday 20 December, demand averaged 35.3 GW. Renewables supplied 51%.

35.3GW AVERAGEWind17.55 GW48%Hydro0.66 GW2%Biomass1.80 GW5%Solar0.30 GW1%Gas5.23 GW14%Imports6.03 GW17%Nuclear4.80 GW13%35.3GW AVERAGE48%14%17%13%
Price
£74.10/MWh
Day average £74.10
Demand35.3GW
Generation 30.3Transfers 5.0
Fossil fuels14%
Renewables51%
Other35%
Carbon intensityLow
72g/kWh
0Day average 72300
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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 Friday 20 December 2024, wind supplied 48% of Great Britain’s electricity and gas 14%. Demand peaked at 42.3 GW at 11:05. Carbon intensity averaged 72 g/kWh and the price £74.10/MWh. Wind generation peaked at 20.6 GW at 13:55. Solar generation peaked at 2.4 GW at 11:00. Carbon intensity was lowest at 01:00 (39 g/kWh) and highest at 08:00 (110 g/kWh). The wholesale price ranged from £5.79/MWh at 23:30 to £107.22/MWh at 07:30. Wind made 58% 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 0.300.8%Wind 17.5548.3%Gas 5.2314.4%Hydro 0.661.8%Biomass 1.804.9%Nuclear 4.8013.2%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 35.3avgGeneration 30.3avgTransfers 5.0avg
The day in figurespeaks, averages, totals
Peak demand42.3GW · 11:05
Low 25.7 · 04:20Avg 35.30–60 GW
Made in Great Britain86%of demand
Generation 30.3Transfers 5.0 GW
Net imports120GWh
In
137 Out
18
Zero-carbon share77%of generation
Nuclear 16%Hydro 2%Wind 58%Solar 1%

Transfers · Fri 20 Dec

Interconnectors and storage

On Friday 20 December 2024, Great Britain imported 137 GWh and exported 18 GWh through its interconnectors. The most came from France (52 GWh), and the most exports went to Ireland (13 GWh).

All interconnectors

Fri 20 Dec
Imported
137GWh
Exported
18GWh
Net in
120GWh
Average net flow
4.98GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.64GWImporting

In 17.2 GWhOut 1.7 GWh

Denmark

Viking Link

Average1.41GWImporting

In 33.9 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.02GWImporting

In 51.8 GWhOut 3.2 GWh

Ireland

Moyle · East–West · Greenlink

Average0.50GWExporting

In 0.9 GWhOut 12.8 GWh

Netherlands

BritNed

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.00GWIdle

Generated 7.4 GWhPumped 7.4 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.