Electricity Live

Great Britain’s electricity on Tuesday 21 April 2020

On Tuesday 21 April, demand averaged 27.4 GW. Renewables supplied 55%.

27.4GW AVERAGEWind12.80 GW43%Hydro0.26 GW1%Biomass1.00 GW3%Solar3.11 GW11%Gas5.05 GW17%Imports1.56 GW5%Nuclear5.67 GW19%27.4GW AVERAGE43%11%17%19%
Price
£10.69/MWh
Day average £10.69
Demand27.4GW
Generation 27.9Transfers −0.5
Fossil fuels17%
Renewables55%
Other28%
Carbon intensityLow
94g/kWh
0Day average 94300
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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 21 April 2020, wind supplied 43% of Great Britain’s electricity and nuclear 19%. Demand peaked at 33.2 GW at 12:30. Carbon intensity averaged 94 g/kWh and the price £10.69/MWh. Wind generation peaked at 15.3 GW at 17:40. Solar generation peaked at 9.5 GW at 12:30. Carbon intensity was lowest at 16:00 (75 g/kWh) and highest at 08:00 (124 g/kWh). The wholesale price ranged from −£35.23/MWh at 15:30 to £33.75/MWh at 21:00. The price was below zero for 4.5 hours. Wind made 46% of the electricity generated in Great Britain, compared with 27% across 2020.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 3.1110.6%Wind 12.8043.5%Gas 5.0517.2%Hydro 0.260.9%Biomass 1.003.4%Nuclear 5.6719.2%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 27.4avgGeneration 27.9avgTransfers −0.5avg
The day in figurespeaks, averages, totals
Peak demand33.2GW · 12:30
Low 20.2 · 04:35Avg 27.40–40 GW
Made in Great Britain102%of demand
Generation 27.9Transfers −0.5 GW
Net exports6GWh
In
31 Out
37
Zero-carbon share78%of generation
Nuclear 20%Hydro 1%Wind 46%Solar 11%

Transfers · Tue 21 Apr

Interconnectors and storage

On Tuesday 21 April 2020, Great Britain imported 31 GWh and exported 37 GWh through its interconnectors. The most came from France (14 GWh), and the most exports went to Ireland (19 GWh).

All interconnectors

Tue 21 Apr
Imported
31GWh
Exported
37GWh
Net out
6GWh
Average net flow
0.26GW out

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.55GWImporting

In 13.1 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.13GWImporting

In 14.1 GWhOut 10.9 GWh

Ireland

Moyle · East–West · Greenlink

Average0.78GWExporting

In 0.0 GWhOut 18.7 GWh

Netherlands

BritNed

Average0.16GWExporting

In 3.3 GWhOut 7.2 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.20GWPumping

Generated 7.0 GWhPumped 11.8 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.