Electricity Live

Great Britain’s electricity on Tuesday 19 December 2023

On Tuesday 19 December, demand averaged 34.1 GW. Renewables supplied 46%.

34.1GW AVERAGEWind15.62 GW44%Hydro0.59 GW2%Biomass2.45 GW7%Solar0.16 GW0%Gas8.86 GW25%Coal0.18 GW1%Imports2.90 GW8%Nuclear4.63 GW13%34.1GW AVERAGE44%25%8%13%
Price
£68.82/MWh
Day average £68.82
Demand34.1GW
Generation 32.5Transfers 1.6
Fossil fuels25%
Renewables46%
Other28%
Carbon intensityModerate
113g/kWh
0Day average 113300
Save as image
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 19 December 2023, wind supplied 44% of Great Britain’s electricity and gas 25%. Demand peaked at 42.0 GW at 17:25. Carbon intensity averaged 113 g/kWh and the price £68.82/MWh. Wind generation peaked at 20.3 GW at 23:55. Solar generation peaked at 1.2 GW at 12:30. Carbon intensity was lowest at 22:00 (54 g/kWh) and highest at 10:30 (158 g/kWh). The wholesale price ranged from £16.70/MWh at 22:30 to £92.89/MWh at 07:30. Wind made 48% 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 0.160.4%Wind 15.6244.1%Gas 8.8625.0%Hydro 0.591.7%Biomass 2.456.9%Nuclear 4.6313.1%Coal 0.180.5%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 34.1avgGeneration 32.5avgTransfers 1.6avg
The day in figurespeaks, averages, totals
Peak demand42.0GW · 17:25
Low 23.1 · 05:00Avg 34.10–60 GW
Made in Great Britain95%of demand
Generation 32.5Transfers 1.6 GW
Net imports36GWh
In
63 Out
27
Zero-carbon share65%of generation
Nuclear 14%Hydro 2%Wind 48%Solar 0%

Transfers · Tue 19 Dec

Interconnectors and storage

On Tuesday 19 December 2023, Great Britain imported 63 GWh and exported 27 GWh through its interconnectors. The most came from Norway (29 GWh), and the most exports went to Ireland (12 GWh).

All interconnectors

Tue 19 Dec
Imported
63GWh
Exported
27GWh
Net in
36GWh
Average net flow
1.50GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.03GWImporting

In 4.9 GWhOut 4.2 GWh

Denmark

Viking Link

Average0.41GWImporting

In 9.9 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.30GWImporting

In 13.6 GWhOut 6.3 GWh

Ireland

Moyle · East–West · Greenlink

Average0.51GWExporting

In 0.1 GWhOut 12.3 GWh

Netherlands

BritNed

Average0.05GWImporting

In 5.2 GWhOut 4.1 GWh

Norway

North Sea Link

Average1.22GWImporting

In 29.2 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.12GWGenerating

Generated 6.8 GWhPumped 3.9 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.