Electricity Live

Great Britain’s electricity on Friday 15 December 2023

On Friday 15 December, demand averaged 34.6 GW. Renewables supplied 40%.

34.6GW AVERAGEWind14.04 GW39%Hydro0.38 GW1%Biomass2.76 GW8%Solar0.21 GW1%Gas12.93 GW36%Coal0.32 GW1%Imports0.93 GW3%Nuclear4.72 GW13%34.6GW AVERAGE39%8%36%13%
Price
£72.20/MWh
Day average £72.20
Demand34.6GW
Generation 35.4Transfers −0.8
Fossil fuels36%
Renewables40%
Other23%
Carbon intensityModerate
153g/kWh
0Day average 153300
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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 15 December 2023, wind supplied 39% of Great Britain’s electricity and gas 36%. Demand peaked at 41.6 GW at 17:20. Carbon intensity averaged 153 g/kWh and the price £72.20/MWh. Wind generation peaked at 17.5 GW at 22:45. Solar generation peaked at 1.2 GW at 12:30. Carbon intensity was lowest at 23:00 (62 g/kWh) and highest at 07:00 (208 g/kWh). The wholesale price ranged from £46.06/MWh at 23:30 to £90.74/MWh at 07:30. Wind made 40% 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 0.210.6%Wind 14.0438.7%Gas 12.9335.6%Hydro 0.381.1%Biomass 2.767.6%Nuclear 4.7213.0%Coal 0.320.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 34.6avgGeneration 35.4avgTransfers −0.8avg
The day in figurespeaks, averages, totals
Peak demand41.6GW · 17:20
Low 24.8 · 04:10Avg 34.60–60 GW
Made in Great Britain102%of demand
Generation 35.4Transfers −0.8 GW
Net exports15GWh
In
19 Out
35
Zero-carbon share55%of generation
Nuclear 13%Hydro 1%Wind 40%Solar 1%

Transfers · Fri 15 Dec

Interconnectors and storage

On Friday 15 December 2023, Great Britain imported 19 GWh and exported 35 GWh through its interconnectors. The most came from France (10 GWh), and the most exports went to Ireland (14 GWh).

All interconnectors

Fri 15 Dec
Imported
19GWh
Exported
35GWh
Net out
15GWh
Average net flow
0.64GW out

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.23GWExporting

In 0.8 GWhOut 6.3 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.3 GWhOut 0.4 GWh

France

IFA · IFA2 · ElecLink

Average0.14GWImporting

In 9.7 GWhOut 6.3 GWh

Ireland

Moyle · East–West · Greenlink

Average0.58GWExporting

In 0.0 GWhOut 14.0 GWh

Netherlands

BritNed

Average0.23GWExporting

In 1.1 GWhOut 6.5 GWh

Norway

North Sea Link

Average0.26GWImporting

In 7.4 GWhOut 1.3 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.17GWPumping

Generated 2.9 GWhPumped 7.1 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.