Electricity Live

Great Britain’s electricity on Sunday 21 May 2017

On Sunday 21 May, demand averaged 25.8 GW. Renewables supplied 23%.

25.8GW AVERAGEWind3.56 GW14%Hydro0.16 GW1%Solar2.41 GW9%Gas8.11 GW31%Coal0.64 GW2%Imports2.81 GW11%Nuclear8.41 GW32%25.8GW AVERAGE14%9%31%11%32%
Price
£36.59/MWh
Day average £36.59
Demand25.8GW
Generation 23.3Transfers 2.5
Fossil fuels31%
Renewables23%
Other43%
Carbon intensity
—
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Key moments

On Sunday 21 May 2017, nuclear supplied 32% of Great Britain’s electricity and gas 31%. Demand peaked at 30.9 GW at 17:55. The price £36.59/MWh. Wind generation peaked at 4.5 GW at 23:50. Solar generation peaked at 6.2 GW at 12:30. The wholesale price ranged from £28.90/MWh at 15:30 to £55.90/MWh at 21:00. Nuclear made 36% of the electricity generated in Great Britain, compared with 24% across 2017.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 2.419.2%Wind 3.5613.7%Gas 8.1131.1%Hydro 0.160.6%Biomass 0.000.0%Nuclear 8.4132.2%Coal 0.642.5%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 25.8avgGeneration 23.3avgTransfers 2.5avg
The day in figurespeaks, averages, totals
Peak demand30.9GW · 17:55
Low 18.1 · 05:25Avg 25.80–40 GW
Made in Great Britain90%of demand
Generation 23.3Transfers 2.5 GW
Net imports63GWh
In
63 Out
0
Zero-carbon share62%of generation
Nuclear 36%Hydro 1%Wind 15%Solar 10%

Transfers · Sun 21 May

Interconnectors and storage

On Sunday 21 May 2017, Great Britain imported 63 GWh and exported 0 GWh through its interconnectors. The most came from France (37 GWh).

All interconnectors

Sun 21 May
Imported
63GWh
Exported
0GWh
Net in
63GWh
Average net flow
2.62GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.55GWImporting

In 37.2 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.24GWImporting

In 5.8 GWhOut 0.0 GWh

Netherlands

BritNed

Average0.83GWImporting

In 19.9 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 4.5 GWhPumped 8.2 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.