Electricity Live

Great Britain’s electricity on Saturday 30 December 2023

On Saturday 30 December, demand averaged 29.7 GW. Renewables supplied 53%.

29.7GW AVERAGEWind15.00 GW49%Hydro0.92 GW3%Biomass0.86 GW3%Solar0.12 GW0%Gas2.80 GW9%Coal0.13 GW0%Imports5.82 GW19%Nuclear4.86 GW16%29.7GW AVERAGE49%9%19%16%
Price
£62.90/MWh
Day average £62.90
Demand29.7GW
Generation 24.7Transfers 5.0
Fossil fuels9%
Renewables53%
Other38%
Carbon intensityLow
53g/kWh
0Day average 53300
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 Saturday 30 December 2023, wind supplied 49% of Great Britain’s electricity and nuclear 16%. Demand peaked at 36.9 GW at 17:20. Carbon intensity averaged 53 g/kWh and the price £62.90/MWh. Wind generation peaked at 19.4 GW at 14:05. Solar generation peaked at 0.8 GW at 12:00. Carbon intensity was lowest at 20:00 (31 g/kWh) and highest at 04:30 (82 g/kWh). The wholesale price ranged from £5.93/MWh at 23:30 to £93.27/MWh at 09:30. Wind made 61% 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 0.120.4%Wind 15.0049.1%Gas 2.809.2%Hydro 0.923.0%Biomass 0.862.8%Nuclear 4.8615.9%Coal 0.130.4%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.7avgGeneration 24.7avgTransfers 5.0avg
The day in figurespeaks, averages, totals
Peak demand36.9GW · 17:20
Low 22.2 · 04:35Avg 29.70–40 GW
Made in Great Britain83%of demand
Generation 24.7Transfers 5.0 GW
Net imports126GWh
In
133 Out
7
Zero-carbon share85%of generation
Nuclear 20%Hydro 4%Wind 61%Solar 0%

Transfers · Sat 30 Dec

Interconnectors and storage

On Saturday 30 December 2023, Great Britain imported 133 GWh and exported 7 GWh through its interconnectors. The most came from France (59 GWh), and the most exports went to Ireland (5 GWh).

All interconnectors

Sat 30 Dec
Imported
133GWh
Exported
7GWh
Net in
126GWh
Average net flow
5.25GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.77GWImporting

In 18.6 GWhOut 0.3 GWh

Denmark

Viking Link

Average0.70GWImporting

In 16.7 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.47GWImporting

In 59.3 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.03GWExporting

In 4.0 GWhOut 4.7 GWh

Netherlands

BritNed

Average0.44GWImporting

In 12.6 GWhOut 2.0 GWh

Norway

North Sea Link

Average0.91GWImporting

In 21.8 GWhOut 0.1 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.24GWPumping

Generated 6.5 GWhPumped 12.2 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.