Electricity Live

Great Britain’s electricity on Monday 10 May 2021

On Monday 10 May, demand averaged 31.1 GW. Renewables supplied 44%.

31.1GW AVERAGEWind11.27 GW36%Hydro0.24 GW1%Biomass2.01 GW6%Solar2.36 GW7%Gas7.92 GW25%Coal0.12 GW0%Imports3.33 GW11%Nuclear4.35 GW14%31.1GW AVERAGE36%7%25%11%14%
Price
£73.34/MWh
Day average £73.34
Demand31.1GW
Generation 28.3Transfers 2.9
Fossil fuels25%
Renewables44%
Other31%
Carbon intensityLow
116g/kWh
0Day average 116300
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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 Monday 10 May 2021, wind supplied 36% of Great Britain’s electricity and gas 25%. Demand peaked at 37.7 GW at 12:30. Carbon intensity averaged 116 g/kWh and the price £73.34/MWh. Wind generation peaked at 14.5 GW at 17:55. Solar generation peaked at 7.5 GW at 13:30. Carbon intensity was lowest at 15:30 (85 g/kWh) and highest at 07:00 (152 g/kWh). The wholesale price ranged from £51.24/MWh at 16:00 to £107.03/MWh at 06:00. Wind made 40% 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 2.367.5%Wind 11.2735.7%Gas 7.9225.1%Hydro 0.240.8%Biomass 2.016.4%Nuclear 4.3513.8%Coal 0.120.4%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.1avgGeneration 28.3avgTransfers 2.9avg
The day in figurespeaks, averages, totals
Peak demand37.7GW · 12:30
Low 22.3 · 04:25Avg 31.10–40 GW
Made in Great Britain91%of demand
Generation 28.3Transfers 2.9 GW
Net imports71GWh
In
77 Out
6
Zero-carbon share64%of generation
Nuclear 15%Hydro 1%Wind 40%Solar 8%

Transfers · Mon 10 May

Interconnectors and storage

On Monday 10 May 2021, Great Britain imported 77 GWh and exported 6 GWh through its interconnectors. The most came from France (55 GWh), and the most exports went to Ireland (6 GWh).

All interconnectors

Mon 10 May
Imported
77GWh
Exported
6GWh
Net in
71GWh
Average net flow
2.96GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.82GWImporting

In 19.8 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.31GWImporting

In 55.4 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.18GWExporting

In 1.8 GWhOut 6.0 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

Average0.08GWPumping

Generated 2.9 GWhPumped 4.9 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.