Electricity Live

Great Britain’s electricity on Tuesday 7 December 2021

On Tuesday 7 December, demand averaged 39.5 GW. Renewables supplied 36%.

39.5GW AVERAGEWind14.04 GW34%Hydro0.53 GW1%Biomass2.77 GW7%Solar0.10 GW0%Gas15.29 GW37%Coal0.94 GW2%Imports2.58 GW6%Nuclear5.05 GW12%39.5GW AVERAGE34%37%12%
Price
£186.68/MWh
Day average £186.68
Demand39.5GW
Generation 38.7Transfers 0.8
Fossil fuels37%
Renewables36%
Other25%
Carbon intensityModerate
188g/kWh
0Day average 188300
Save as image
Recorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hour

Records set on this day

All records

Key moments

On Tuesday 7 December 2021, gas supplied 37% of Great Britain’s electricity and wind 34%. Demand peaked at 49.2 GW at 16:55. Carbon intensity averaged 188 g/kWh and the price £186.68/MWh. Wind generation peaked at 19.2 GW at 14:20. Solar generation peaked at 0.6 GW at 13:00. Carbon intensity was lowest at 23:30 (80 g/kWh) and highest at 08:00 (264 g/kWh). The wholesale price ranged from £124.16/MWh at 23:30 to £222.91/MWh at 05:00. Gas made 39% of the electricity generated in Great Britain, compared with 42% across 2021.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.100.2%Wind 14.0434.0%Gas 15.2937.0%Hydro 0.531.3%Biomass 2.776.7%Nuclear 5.0512.2%Coal 0.942.3%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 39.5avgGeneration 38.7avgTransfers 0.8avg
The day in figurespeaks, averages, totals
Peak demand49.2GW · 16:55
Low 27.2 · 03:55Avg 39.50–60 GW
Made in Great Britain98%of demand
Generation 38.7Transfers 0.8 GW
Net imports22GWh
In
59 Out
37
Zero-carbon share51%of generation
Nuclear 13%Hydro 1%Wind 36%Solar 0%

Transfers · Tue 7 Dec

Interconnectors and storage

On Tuesday 7 December 2021, Great Britain imported 59 GWh and exported 37 GWh through its interconnectors. The most came from Netherlands (24 GWh), and the most exports went to France (32 GWh).

All interconnectors

Tue 7 Dec
Imported
59GWh
Exported
37GWh
Net in
22GWh
Average net flow
0.91GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.61GWImporting

In 15.8 GWhOut 1.2 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.26GWExporting

In 1.8 GWhOut 32.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.02GWExporting

In 3.1 GWhOut 3.5 GWh

Netherlands

BritNed

Average0.98GWImporting

In 23.6 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.60GWImporting

In 14.4 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.16GWPumping

Generated 3.3 GWhPumped 7.0 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.