Electricity Live

Great Britain’s electricity on Monday 18 December 2023

On Monday 18 December, demand averaged 33.5 GW. Renewables supplied 49%.

33.5GW AVERAGEWind16.79 GW47%Hydro0.59 GW2%Biomass2.89 GW8%Solar0.12 GW0%Gas8.34 GW23%Coal0.19 GW1%Imports2.34 GW7%Nuclear4.67 GW13%33.5GW AVERAGE47%8%23%13%
Price
£65.29/MWh
Day average £65.29
Demand33.5GW
Generation 33.6Transfers −0.1
Fossil fuels23%
Renewables49%
Other28%
Carbon intensityModerate
107g/kWh
0Day average 107300
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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 Monday 18 December 2023, wind supplied 47% of Great Britain’s electricity and gas 23%. Demand peaked at 41.5 GW at 17:00. Carbon intensity averaged 107 g/kWh and the price £65.29/MWh. Wind generation peaked at 20.2 GW at 14:55. Solar generation peaked at 0.7 GW at 11:30. Carbon intensity was lowest at 02:00 (63 g/kWh) and highest at 07:30 (137 g/kWh). The wholesale price ranged from £32.21/MWh at 05:30 to £83.20/MWh at 07:30. Wind made 50% of the electricity generated in Great Britain, compared with 33% across 2023.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.120.3%Wind 16.7946.7%Gas 8.3423.2%Hydro 0.591.6%Biomass 2.898.1%Nuclear 4.6713.0%Coal 0.190.5%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 33.5avgGeneration 33.6avgTransfers −0.1avg
The day in figurespeaks, averages, totals
Peak demand41.5GW · 17:00
Low 23.0 · 04:40Avg 33.50–60 GW
Made in Great Britain100%of demand
Generation 33.6Transfers −0.1 GW
Net exports2GWh
In
51 Out
53
Zero-carbon share66%of generation
Nuclear 14%Hydro 2%Wind 50%Solar 0%

Transfers · Mon 18 Dec

Interconnectors and storage

On Monday 18 December 2023, Great Britain imported 51 GWh and exported 53 GWh through its interconnectors. The most came from Norway (33 GWh), and the most exports went to France (28 GWh).

All interconnectors

Mon 18 Dec
Imported
51GWh
Exported
53GWh
Net out
2GWh
Average net flow
0.09GW out

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.20GWImporting

In 6.5 GWhOut 1.7 GWh

Denmark

Viking Link

Average0.03GWExporting

In 1.0 GWhOut 1.7 GWh

France

IFA · IFA2 · ElecLink

Average1.15GWExporting

In 0.9 GWhOut 28.5 GWh

Ireland

Moyle · East–West · Greenlink

Average0.82GWExporting

In 0.0 GWhOut 19.8 GWh

Netherlands

BritNed

Average0.36GWImporting

In 10.1 GWhOut 1.4 GWh

Norway

North Sea Link

Average1.36GWImporting

In 32.6 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.00GWIdle

Generated 5.1 GWhPumped 5.1 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.