Electricity Live

Great Britain’s electricity on Friday 29 December 2023

On Friday 29 December, demand averaged 30.3 GW. Renewables supplied 55%.

30.3GW AVERAGEWind16.59 GW51%Hydro0.87 GW3%Biomass1.08 GW3%Solar0.37 GW1%Gas3.21 GW10%Coal0.11 GW0%Imports4.82 GW15%Nuclear5.23 GW16%30.3GW AVERAGE51%10%15%16%
Price
£60.15/MWh
Day average £60.15
Demand30.3GW
Generation 27.5Transfers 2.8
Fossil fuels10%
Renewables55%
Other34%
Carbon intensityLow
53g/kWh
0Day average 53300
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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 29 December 2023, wind supplied 51% of Great Britain’s electricity and nuclear 16%. Demand peaked at 37.0 GW at 16:55. Carbon intensity averaged 53 g/kWh and the price £60.15/MWh. Wind generation peaked at 19.6 GW at 00:00. Solar generation peaked at 2.2 GW at 12:30. Carbon intensity was lowest at 08:30 (41 g/kWh) and highest at 16:30 (79 g/kWh). The wholesale price ranged from −£4.31/MWh at 00:00 to £108.78/MWh at 17:30. The price was below zero for 2.5 hours. Wind made 60% 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 0.371.2%Wind 16.5951.4%Gas 3.2110.0%Hydro 0.872.7%Biomass 1.083.4%Nuclear 5.2316.2%Coal 0.110.3%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 30.3avgGeneration 27.5avgTransfers 2.8avg
The day in figurespeaks, averages, totals
Peak demand37.0GW · 16:55
Low 21.5 · 04:00Avg 30.30–40 GW
Made in Great Britain91%of demand
Generation 27.5Transfers 2.8 GW
Net imports61GWh
In
98 Out
38
Zero-carbon share84%of generation
Nuclear 19%Hydro 3%Wind 60%Solar 1%

Transfers · Fri 29 Dec

Interconnectors and storage

On Friday 29 December 2023, Great Britain imported 98 GWh and exported 38 GWh through its interconnectors. The most came from France (49 GWh), and the most exports went to Ireland (14 GWh).

All interconnectors

Fri 29 Dec
Imported
98GWh
Exported
38GWh
Net in
61GWh
Average net flow
2.53GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.79GWImporting

In 19.4 GWhOut 0.3 GWh

Denmark

Viking Link

Average0.29GWImporting

In 6.9 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.69GWImporting

In 49.5 GWhOut 9.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.58GWExporting

In 0.0 GWhOut 13.8 GWh

Netherlands

BritNed

Average0.44GWImporting

In 11.7 GWhOut 1.2 GWh

Norway

North Sea Link

Average0.10GWExporting

In 10.9 GWhOut 13.4 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.29GWGenerating

Generated 17.3 GWhPumped 10.4 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.