Electricity Live

Great Britain’s electricity on Monday 3 May 2021

On Monday 3 May, demand averaged 30.3 GW. Renewables supplied 40%.

30.3GW AVERAGEWind10.87 GW36%Hydro0.23 GW1%Biomass2.11 GW7%Solar0.97 GW3%Gas9.05 GW30%Coal0.04 GW0%Imports2.90 GW9%Nuclear4.37 GW14%30.3GW AVERAGE36%30%9%14%
Price
£61.20/MWh
Day average £61.20
Demand30.3GW
Generation 27.6Transfers 2.7
Fossil fuels30%
Renewables40%
Other31%
Carbon intensityLow
141g/kWh
0Day average 141300
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Recorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hour

Records set on this day

All records

Key moments

On Monday 3 May 2021, wind supplied 36% of Great Britain’s electricity and gas 30%. Demand peaked at 38.7 GW at 17:45. Carbon intensity averaged 141 g/kWh and the price £61.20/MWh. Wind generation peaked at 19.1 GW at 16:40. Solar generation peaked at 3.7 GW at 10:30. Carbon intensity was lowest at 14:30 (79 g/kWh) and highest at 00:00 (229 g/kWh). The wholesale price ranged from £20.15/MWh at 23:30 to £85.40/MWh at 21:00. Wind made 39% of the electricity generated in Great Britain, compared with 25% across 2021.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.973.2%Wind 10.8735.6%Gas 9.0529.6%Hydro 0.230.8%Biomass 2.116.9%Nuclear 4.3714.3%Coal 0.040.1%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 30.3avgGeneration 27.6avgTransfers 2.7avg
The day in figurespeaks, averages, totals
Peak demand38.7GW · 17:45
Low 21.9 · 04:35Avg 30.30–40 GW
Made in Great Britain91%of demand
Generation 27.6Transfers 2.7 GW
Net imports64GWh
In
65 Out
2
Zero-carbon share59%of generation
Nuclear 16%Hydro 1%Wind 39%Solar 4%

Transfers · Mon 3 May

Interconnectors and storage

On Monday 3 May 2021, Great Britain imported 65 GWh and exported 2 GWh through its interconnectors. The most came from France (31 GWh).

All interconnectors

Mon 3 May
Imported
65GWh
Exported
2GWh
Net in
64GWh
Average net flow
2.66GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.83GWImporting

In 19.8 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.26GWImporting

In 31.0 GWhOut 0.9 GWh

Ireland

Moyle · East–West · Greenlink

Average0.57GWImporting

In 14.6 GWhOut 0.9 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

Average0.01GWGenerating

Generated 4.0 GWhPumped 3.7 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.