Electricity Live

Great Britain’s electricity on Friday 23 April 2021

On Friday 23 April, demand averaged 31.0 GW. Renewables supplied 19%.

31.0GW AVERAGEWind2.34 GW7%Hydro0.30 GW1%Biomass1.48 GW5%Solar3.25 GW10%Gas15.92 GW51%Coal0.13 GW0%Imports3.19 GW10%Nuclear4.82 GW15%31.0GW AVERAGE7%10%51%10%15%
Price
£66.28/MWh
Day average £66.28
Demand31.0GW
Generation 28.2Transfers 2.8
Fossil fuels51%
Renewables19%
Other30%
Carbon intensityHigh
222g/kWh
0Day average 222300
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 Friday 23 April 2021, gas supplied 51% of Great Britain’s electricity and nuclear 15%. Demand peaked at 37.0 GW at 10:30. Carbon intensity averaged 222 g/kWh and the price £66.28/MWh. Wind generation peaked at 4.0 GW at 23:55. Solar generation peaked at 10.0 GW at 12:30. Carbon intensity was lowest at 13:30 (168 g/kWh) and highest at 05:30 (264 g/kWh). The wholesale price ranged from £47.13/MWh at 15:30 to £92.22/MWh at 07:30. Gas made 56% 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 3.2510.3%Wind 2.347.4%Gas 15.9250.6%Hydro 0.301.0%Biomass 1.484.7%Nuclear 4.8215.3%Coal 0.130.4%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.0avgGeneration 28.2avgTransfers 2.8avg
The day in figurespeaks, averages, totals
Peak demand37.0GW · 10:30
Low 24.0 · 00:45Avg 31.00–40 GW
Made in Great Britain91%of demand
Generation 28.2Transfers 2.8 GW
Net imports71GWh
In
72 Out
1
Zero-carbon share38%of generation
Nuclear 17%Hydro 1%Wind 8%Solar 12%

Transfers · Fri 23 Apr

Interconnectors and storage

On Friday 23 April 2021, Great Britain imported 72 GWh and exported 1 GWh through its interconnectors. The most came from France (44 GWh).

All interconnectors

Fri 23 Apr
Imported
72GWh
Exported
1GWh
Net in
71GWh
Average net flow
2.95GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.97GWImporting

In 23.2 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.84GWImporting

In 44.1 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.15GWImporting

In 4.3 GWhOut 0.7 GWh

Netherlands

BritNed

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.17GWPumping

Generated 4.9 GWhPumped 9.0 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.