Electricity Live

Great Britain’s electricity on Wednesday 13 December 2023

On Wednesday 13 December, demand averaged 35.6 GW. Renewables supplied 29%.

35.6GW AVERAGEWind9.73 GW27%Hydro0.45 GW1%Biomass2.97 GW8%Solar0.28 GW1%Gas15.49 GW42%Coal0.61 GW2%Imports2.38 GW7%Nuclear4.72 GW13%35.6GW AVERAGE27%8%42%13%
Price
£78.60/MWh
Day average £78.60
Demand35.6GW
Generation 34.3Transfers 1.3
Fossil fuels42%
Renewables29%
Other27%
Carbon intensityHigh
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 Wednesday 13 December 2023, gas supplied 42% of Great Britain’s electricity and wind 27%. Demand peaked at 43.3 GW at 18:10. Carbon intensity averaged 192 g/kWh and the price £78.60/MWh. Wind generation peaked at 11.7 GW at 08:25. Solar generation peaked at 1.7 GW at 12:30. Carbon intensity was lowest at 03:00 (129 g/kWh) and highest at 08:30 (229 g/kWh). The wholesale price ranged from £58.94/MWh at 03:30 to £96.22/MWh at 06:00. Gas made 45% 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 0.280.8%Wind 9.7326.6%Gas 15.4942.3%Hydro 0.451.2%Biomass 2.978.1%Nuclear 4.7212.9%Coal 0.611.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 35.6avgGeneration 34.3avgTransfers 1.3avg
The day in figurespeaks, averages, totals
Peak demand43.3GW · 18:10
Low 24.5 · 04:25Avg 35.60–60 GW
Made in Great Britain96%of demand
Generation 34.3Transfers 1.3 GW
Net imports28GWh
In
51 Out
23
Zero-carbon share44%of generation
Nuclear 14%Hydro 1%Wind 28%Solar 1%

Transfers · Wed 13 Dec

Interconnectors and storage

On Wednesday 13 December 2023, Great Britain imported 51 GWh and exported 23 GWh through its interconnectors. The most came from France (31 GWh), and the most exports went to Ireland (14 GWh).

All interconnectors

Wed 13 Dec
Imported
51GWh
Exported
23GWh
Net in
28GWh
Average net flow
1.16GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.28GWImporting

In 8.4 GWhOut 1.8 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.27GWImporting

In 31.4 GWhOut 0.8 GWh

Ireland

Moyle · East–West · Greenlink

Average0.59GWExporting

In 0.0 GWhOut 14.2 GWh

Netherlands

BritNed

Average0.14GWImporting

In 6.1 GWhOut 2.7 GWh

Norway

North Sea Link

Average0.06GWImporting

In 5.4 GWhOut 4.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.16GWGenerating

Generated 5.9 GWhPumped 2.1 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.