Electricity Live

Great Britain’s electricity on Tuesday 23 February 2021

On Tuesday 23 February, demand averaged 34.1 GW. Renewables supplied 46%.

34.1GW AVERAGEWind14.09 GW41%Hydro0.71 GW2%Biomass2.84 GW8%Solar1.01 GW3%Gas7.57 GW22%Coal0.16 GW0%Imports3.88 GW11%Nuclear4.30 GW12%34.1GW AVERAGE41%8%22%11%12%
Price
£35.08/MWh
Day average £35.08
Demand34.1GW
Generation 30.7Transfers 3.5
Fossil fuels22%
Renewables46%
Other32%
Carbon intensityLow
129g/kWh
0Day average 129300
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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 Tuesday 23 February 2021, wind supplied 41% of Great Britain’s electricity and gas 22%. Demand peaked at 42.9 GW at 18:00. Carbon intensity averaged 129 g/kWh and the price £35.08/MWh. Wind generation peaked at 16.9 GW at 14:15. Solar generation peaked at 4.9 GW at 11:00. Carbon intensity was lowest at 21:00 (96 g/kWh) and highest at 05:00 (160 g/kWh). The wholesale price ranged from −£9.71/MWh at 23:30 to £60.10/MWh at 18:00. The price was below zero for 0.5 hours. Wind made 46% 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 1.012.9%Wind 14.0940.8%Gas 7.5721.9%Hydro 0.712.1%Biomass 2.848.2%Nuclear 4.3012.4%Coal 0.160.5%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 34.1avgGeneration 30.7avgTransfers 3.5avg
The day in figurespeaks, averages, totals
Peak demand42.9GW · 18:00
Low 24.0 · 04:20Avg 34.10–60 GW
Made in Great Britain90%of demand
Generation 30.7Transfers 3.5 GW
Net imports85GWh
In
90 Out
5
Zero-carbon share66%of generation
Nuclear 14%Hydro 2%Wind 46%Solar 3%

Transfers · Tue 23 Feb

Interconnectors and storage

On Tuesday 23 February 2021, Great Britain imported 90 GWh and exported 5 GWh through its interconnectors. The most came from France (45 GWh), and the most exports went to France (4 GWh).

All interconnectors

Tue 23 Feb
Imported
90GWh
Exported
5GWh
Net in
85GWh
Average net flow
3.55GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.64GWImporting

In 15.8 GWhOut 0.5 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.70GWImporting

In 44.7 GWhOut 3.8 GWh

Ireland

Moyle · East–West · Greenlink

Average0.60GWImporting

In 14.4 GWhOut 0.0 GWh

Netherlands

BritNed

Average0.61GWImporting

In 14.9 GWhOut 0.2 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.09GWPumping

Generated 3.5 GWhPumped 5.6 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.