Electricity Live

Great Britain’s electricity on Sunday 25 April 2021

On Sunday 25 April, demand averaged 28.0 GW. Renewables supplied 28%.

28.0GW AVERAGEWind4.99 GW17%Hydro0.26 GW1%Biomass1.13 GW4%Solar2.86 GW10%Gas11.05 GW39%Imports2.92 GW10%Nuclear5.35 GW19%28.0GW AVERAGE17%10%39%10%19%
Price
£53.30/MWh
Day average £53.30
Demand28.0GW
Generation 25.6Transfers 2.4
Fossil fuels39%
Renewables28%
Other33%
Carbon intensityModerate
161g/kWh
0Day average 161300
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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 Sunday 25 April 2021, gas supplied 39% of Great Britain’s electricity and nuclear 19%. Demand peaked at 33.2 GW at 17:55. Carbon intensity averaged 161 g/kWh and the price £53.30/MWh. Wind generation peaked at 6.2 GW at 00:00. Solar generation peaked at 8.7 GW at 13:30. Carbon intensity was lowest at 13:30 (135 g/kWh) and highest at 21:00 (200 g/kWh). The wholesale price ranged from £37.39/MWh at 06:30 to £80.70/MWh at 20:30. Gas made 43% 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 2.8610.0%Wind 4.9917.5%Gas 11.0538.7%Hydro 0.260.9%Biomass 1.134.0%Nuclear 5.3518.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.0avgGeneration 25.6avgTransfers 2.4avg
The day in figurespeaks, averages, totals
Peak demand33.2GW · 17:55
Low 21.3 · 04:55Avg 28.00–40 GW
Made in Great Britain92%of demand
Generation 25.6Transfers 2.4 GW
Net imports61GWh
In
67 Out
6
Zero-carbon share53%of generation
Nuclear 21%Hydro 1%Wind 19%Solar 11%

Transfers · Sun 25 Apr

Interconnectors and storage

On Sunday 25 April 2021, Great Britain imported 67 GWh and exported 6 GWh through its interconnectors. The most came from France (44 GWh), and the most exports went to Ireland (6 GWh).

All interconnectors

Sun 25 Apr
Imported
67GWh
Exported
6GWh
Net in
61GWh
Average net flow
2.52GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.92GWImporting

In 22.0 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.82GWImporting

In 43.7 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.21GWExporting

In 1.2 GWhOut 6.4 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

Average0.16GWPumping

Generated 3.3 GWhPumped 7.2 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.