Electricity Live

Great Britain’s electricity on Wednesday 21 December 2022

On Wednesday 21 December, demand averaged 33.9 GW. Renewables supplied 49%.

33.9GW AVERAGEWind16.50 GW46%Hydro0.43 GW1%Biomass1.94 GW5%Solar0.39 GW1%Gas6.82 GW19%Coal0.48 GW1%Imports3.18 GW9%Nuclear5.83 GW16%33.9GW AVERAGE46%19%9%16%
Price
£196.94/MWh
Day average £196.94
Demand33.9GW
Generation 32.4Transfers 1.5
Fossil fuels19%
Renewables49%
Other31%
Carbon intensityLow
109g/kWh
0Day average 109300
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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 Wednesday 21 December 2022, wind supplied 46% of Great Britain’s electricity and gas 19%. Demand peaked at 41.2 GW at 17:20. Carbon intensity averaged 109 g/kWh and the price £196.94/MWh. Wind generation peaked at 19.9 GW at 10:50. Solar generation peaked at 2.2 GW at 12:30. Carbon intensity was lowest at 23:00 (77 g/kWh) and highest at 19:00 (131 g/kWh). The wholesale price ranged from £115.10/MWh at 02:30 to £240.08/MWh at 16:30. Wind made 51% of the electricity generated in Great Britain, compared with 28% across 2022.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.391.1%Wind 16.5046.4%Gas 6.8219.2%Hydro 0.431.2%Biomass 1.945.4%Nuclear 5.8316.4%Coal 0.481.4%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 33.9avgGeneration 32.4avgTransfers 1.5avg
The day in figurespeaks, averages, totals
Peak demand41.2GW · 17:20
Low 23.9 · 04:10Avg 33.90–60 GW
Made in Great Britain96%of demand
Generation 32.4Transfers 1.5 GW
Net imports34GWh
In
68 Out
34
Zero-carbon share71%of generation
Nuclear 18%Hydro 1%Wind 51%Solar 1%

Transfers · Wed 21 Dec

Interconnectors and storage

On Wednesday 21 December 2022, Great Britain imported 68 GWh and exported 34 GWh through its interconnectors. The most came from France (26 GWh), and the most exports went to France (14 GWh).

All interconnectors

Wed 21 Dec
Imported
68GWh
Exported
34GWh
Net in
34GWh
Average net flow
1.43GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.31GWImporting

In 11.1 GWhOut 3.6 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.49GWImporting

In 26.1 GWhOut 14.3 GWh

Ireland

Moyle · East–West · Greenlink

Average0.26GWImporting

In 10.7 GWhOut 4.6 GWh

Netherlands

BritNed

Average0.30GWImporting

In 11.9 GWhOut 4.6 GWh

Norway

North Sea Link

Average0.07GWImporting

In 8.3 GWhOut 6.7 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.09GWGenerating

Generated 8.2 GWhPumped 6.0 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.