Electricity Live

Great Britain’s electricity on Saturday 17 April 2021

On Saturday 17 April, demand averaged 29.8 GW. Renewables supplied 20%.

29.8GW AVERAGEWind2.51 GW8%Hydro0.40 GW1%Biomass1.16 GW4%Solar3.08 GW10%Gas14.72 GW49%Coal0.32 GW1%Imports3.21 GW11%Nuclear4.74 GW16%29.8GW AVERAGE8%10%49%11%16%
Price
£69.05/MWh
Day average £69.05
Demand29.8GW
Generation 26.9Transfers 2.9
Fossil fuels49%
Renewables20%
Other30%
Carbon intensityHigh
218g/kWh
0Day average 218300
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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 Saturday 17 April 2021, gas supplied 49% of Great Britain’s electricity and nuclear 16%. Demand peaked at 34.4 GW at 10:30. Carbon intensity averaged 218 g/kWh and the price £69.05/MWh. Wind generation peaked at 4.1 GW at 17:35. Solar generation peaked at 9.4 GW at 12:30. Carbon intensity was lowest at 14:00 (145 g/kWh) and highest at 21:30 (264 g/kWh). The wholesale price ranged from £47.30/MWh at 15:30 to £92.25/MWh at 08:00. 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 3.0810.2%Wind 2.518.3%Gas 14.7248.8%Hydro 0.401.3%Biomass 1.163.8%Nuclear 4.7415.7%Coal 0.321.1%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.8avgGeneration 26.9avgTransfers 2.9avg
The day in figurespeaks, averages, totals
Peak demand34.4GW · 10:30
Low 24.7 · 04:55Avg 29.80–40 GW
Made in Great Britain90%of demand
Generation 26.9Transfers 2.9 GW
Net imports73GWh
In
73 Out
0
Zero-carbon share40%of generation
Nuclear 18%Hydro 1%Wind 9%Solar 11%

Transfers · Sat 17 Apr

Interconnectors and storage

On Saturday 17 April 2021, Great Britain imported 73 GWh and exported 0 GWh through its interconnectors. The most came from France (46 GWh).

All interconnectors

Sat 17 Apr
Imported
73GWh
Exported
0GWh
Net in
73GWh
Average net flow
3.02GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.99GWImporting

In 23.9 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.93GWImporting

In 46.3 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.10GWImporting

In 2.6 GWhOut 0.2 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

Average0.15GWPumping

Generated 4.2 GWhPumped 7.9 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.