Electricity Live

Great Britain’s electricity on Wednesday 4 December 2024

On Wednesday 4 December, demand averaged 35.9 GW. Renewables supplied 31%.

35.9GW AVERAGEWind10.85 GW28%Hydro0.64 GW2%Biomass2.40 GW6%Solar0.37 GW1%Gas18.50 GW48%Imports2.77 GW7%Nuclear2.96 GW8%35.9GW AVERAGE28%48%7%8%
Price
£120.03/MWh
Day average £120.03
Demand35.9GW
Generation 35.7Transfers 0.1
Fossil fuels48%
Renewables31%
Other21%
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 Wednesday 4 December 2024, gas supplied 48% of Great Britain’s electricity and wind 28%. Demand peaked at 43.2 GW at 17:30. Carbon intensity averaged 202 g/kWh and the price £120.03/MWh. Wind generation peaked at 20.5 GW at 23:25. Solar generation peaked at 2.2 GW at 11:30. Carbon intensity was lowest at 23:30 (77 g/kWh) and highest at 06:00 (261 g/kWh). The wholesale price ranged from £90.37/MWh at 04:30 to £187.41/MWh at 07:30. Gas made 52% of the electricity generated in Great Britain, compared with 31% across 2024.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.371.0%Wind 10.8528.2%Gas 18.5048.1%Hydro 0.641.7%Biomass 2.406.2%Nuclear 2.967.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 35.9avgGeneration 35.7avgTransfers 0.1avg
The day in figurespeaks, averages, totals
Peak demand43.2GW · 17:30
Low 25.5 · 05:00Avg 35.90–60 GW
Made in Great Britain100%of demand
Generation 35.7Transfers 0.1 GW
Net imports4GWh
In
59 Out
55
Zero-carbon share41%of generation
Nuclear 8%Hydro 2%Wind 30%Solar 1%

Transfers · Wed 4 Dec

Interconnectors and storage

On Wednesday 4 December 2024, Great Britain imported 59 GWh and exported 55 GWh through its interconnectors. The most came from France (30 GWh), and the most exports went to Denmark (17 GWh).

All interconnectors

Wed 4 Dec
Imported
59GWh
Exported
55GWh
Net in
4GWh
Average net flow
0.18GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.34GWExporting

In 0.3 GWhOut 8.4 GWh

Denmark

Viking Link

Average0.68GWExporting

In 0.3 GWhOut 16.6 GWh

France

IFA · IFA2 · ElecLink

Average0.77GWImporting

In 29.6 GWhOut 11.1 GWh

Ireland

Moyle · East–West · Greenlink

Average0.10GWImporting

In 8.1 GWhOut 5.8 GWh

Netherlands

BritNed

Average0.51GWExporting

In 0.6 GWhOut 12.8 GWh

Norway

North Sea Link

Average0.84GWImporting

In 20.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.05GWPumping

Generated 7.5 GWhPumped 8.7 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.