Electricity Live

Great Britain’s electricity on Sunday 18 April 2021

On Sunday 18 April, demand averaged 29.2 GW. Renewables supplied 19%.

29.2GW AVERAGEWind2.56 GW9%Hydro0.38 GW1%Biomass1.20 GW4%Solar2.76 GW9%Gas14.88 GW50%Coal0.31 GW1%Imports3.07 GW10%Nuclear4.73 GW16%29.2GW AVERAGE9%9%50%10%16%
Price
£55.97/MWh
Day average £55.97
Demand29.2GW
Generation 26.8Transfers 2.4
Fossil fuels50%
Renewables19%
Other30%
Carbon intensityHigh
227g/kWh
0Day average 227300
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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 18 April 2021, gas supplied 50% of Great Britain’s electricity and nuclear 16%. Demand peaked at 34.1 GW at 17:55. Carbon intensity averaged 227 g/kWh and the price £55.97/MWh. Wind generation peaked at 3.5 GW at 04:30. Solar generation peaked at 8.5 GW at 12:00. Carbon intensity was lowest at 13:00 (172 g/kWh) and highest at 21:00 (303 g/kWh). The wholesale price ranged from £41.22/MWh at 11:00 to £71.98/MWh at 20:00. Gas made 55% 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 2.769.2%Wind 2.568.6%Gas 14.8849.8%Hydro 0.381.3%Biomass 1.204.0%Nuclear 4.7315.8%Coal 0.311.1%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.2avgGeneration 26.8avgTransfers 2.4avg
The day in figurespeaks, averages, totals
Peak demand34.1GW · 17:55
Low 23.6 · 04:50Avg 29.20–40 GW
Made in Great Britain92%of demand
Generation 26.8Transfers 2.4 GW
Net imports62GWh
In
69 Out
7
Zero-carbon share39%of generation
Nuclear 18%Hydro 1%Wind 10%Solar 10%

Transfers · Sun 18 Apr

Interconnectors and storage

On Sunday 18 April 2021, Great Britain imported 69 GWh and exported 7 GWh through its interconnectors. The most came from France (44 GWh), and the most exports went to Ireland (7 GWh).

All interconnectors

Sun 18 Apr
Imported
69GWh
Exported
7GWh
Net in
62GWh
Average net flow
2.58GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.95GWImporting

In 22.8 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

Average0.20GWExporting

In 1.8 GWhOut 6.7 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

Average0.23GWPumping

Generated 4.9 GWhPumped 10.4 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.