Electricity Live

Great Britain’s electricity on Thursday 30 December 2021

On Thursday 30 December, demand averaged 30.8 GW. Renewables supplied 49%.

30.8GW AVERAGEWind15.34 GW47%Hydro0.46 GW1%Biomass2.46 GW8%Solar0.14 GW0%Gas4.26 GW13%Imports2.97 GW9%Nuclear6.80 GW21%30.8GW AVERAGE47%8%13%9%21%
Price
£85.87/MWh
Day average £85.87
Demand30.8GW
Generation 29.5Transfers 1.4
Fossil fuels13%
Renewables49%
Other38%
Carbon intensityLow
75g/kWh
0Day average 75300
Save as image
Recorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hour

On the record lists

All records

Key moments

On Thursday 30 December 2021, wind supplied 47% of Great Britain’s electricity and nuclear 21%. Demand peaked at 39.4 GW at 17:20. Carbon intensity averaged 75 g/kWh and the price £85.87/MWh. Wind generation peaked at 16.7 GW at 09:20. Solar generation peaked at 1.0 GW at 11:00. Carbon intensity was lowest at 03:30 (43 g/kWh) and highest at 17:00 (118 g/kWh). The wholesale price ranged from −£60.60/MWh at 04:30 to £189.46/MWh at 17:30. The price was below zero for 5.5 hours. Wind made 52% of the electricity generated in Great Britain, compared with 25% across 2021.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.140.4%Wind 15.3447.3%Gas 4.2613.1%Hydro 0.461.4%Biomass 2.467.6%Nuclear 6.8021.0%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 30.8avgGeneration 29.5avgTransfers 1.4avg
The day in figurespeaks, averages, totals
Peak demand39.4GW · 17:20
Low 22.1 · 04:55Avg 30.80–40 GW
Made in Great Britain95%of demand
Generation 29.5Transfers 1.4 GW
Net imports39GWh
In
59 Out
21
Zero-carbon share77%of generation
Nuclear 23%Hydro 2%Wind 52%Solar 0%

Transfers · Thu 30 Dec

Interconnectors and storage

On Thursday 30 December 2021, Great Britain imported 59 GWh and exported 21 GWh through its interconnectors. The most came from Belgium (18 GWh), and the most exports went to France (8 GWh).

All interconnectors

Thu 30 Dec
Imported
59GWh
Exported
21GWh
Net in
39GWh
Average net flow
1.62GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.71GWImporting

In 17.8 GWhOut 0.7 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.21GWImporting

In 13.3 GWhOut 8.3 GWh

Ireland

Moyle · East–West · Greenlink

Average0.13GWExporting

In 1.5 GWhOut 4.6 GWh

Netherlands

BritNed

Average0.62GWImporting

In 17.1 GWhOut 2.3 GWh

Norway

North Sea Link

Average0.20GWImporting

In 9.7 GWhOut 4.8 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.23GWPumping

Generated 11.8 GWhPumped 17.2 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.