Electricity Live

Great Britain’s electricity on Tuesday 27 April 2021

On Tuesday 27 April, demand averaged 32.1 GW. Renewables supplied 21%.

32.1GW AVERAGEWind4.92 GW15%Hydro0.27 GW1%Biomass2.44 GW7%Solar1.63 GW5%Gas15.94 GW49%Coal0.11 GW0%Imports2.54 GW8%Nuclear4.83 GW15%32.1GW AVERAGE15%7%49%8%15%
Price
£46.97/MWh
Day average £46.97
Demand32.1GW
Generation 30.1Transfers 2.0
Fossil fuels49%
Renewables21%
Other30%
Carbon intensityModerate
210g/kWh
0Day average 210300
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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 27 April 2021, gas supplied 49% of Great Britain’s electricity and wind 15%. Demand peaked at 37.8 GW at 17:20. Carbon intensity averaged 210 g/kWh and the price £46.97/MWh. Wind generation peaked at 7.9 GW at 20:45. Solar generation peaked at 5.0 GW at 13:30. Carbon intensity was lowest at 23:30 (158 g/kWh) and highest at 06:30 (249 g/kWh). The wholesale price ranged from £46.43/MWh at 00:30 to £49.13/MWh at 00:00. Gas made 53% 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 1.635.0%Wind 4.9215.1%Gas 15.9448.8%Hydro 0.270.8%Biomass 2.447.5%Nuclear 4.8314.8%Coal 0.110.3%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 32.1avgGeneration 30.1avgTransfers 2.0avg
The day in figurespeaks, averages, totals
Peak demand37.8GW · 17:20
Low 23.3 · 04:35Avg 32.10–40 GW
Made in Great Britain94%of demand
Generation 30.1Transfers 2.0 GW
Net imports48GWh
In
56 Out
8
Zero-carbon share39%of generation
Nuclear 16%Hydro 1%Wind 16%Solar 5%

Transfers · Tue 27 Apr

Interconnectors and storage

On Tuesday 27 April 2021, Great Britain imported 56 GWh and exported 8 GWh through its interconnectors. The most came from France (33 GWh), and the most exports went to Ireland (7 GWh).

All interconnectors

Tue 27 Apr
Imported
56GWh
Exported
8GWh
Net in
48GWh
Average net flow
1.99GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.93GWImporting

In 22.3 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.33GWImporting

In 33.2 GWhOut 1.2 GWh

Ireland

Moyle · East–West · Greenlink

Average0.27GWExporting

In 0.3 GWhOut 6.8 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

Average0.00GWIdle

Generated 5.1 GWhPumped 5.1 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.