Electricity Live

Great Britain’s electricity on Thursday 27 May 2021

On Thursday 27 May, demand averaged 30.7 GW. Renewables supplied 16%.

30.7GW AVERAGEWind1.95 GW6%Hydro0.31 GW1%Biomass2.37 GW8%Solar2.79 GW9%Gas14.33 GW46%Imports4.00 GW13%Nuclear5.39 GW17%30.7GW AVERAGE8%9%46%13%17%
Price
£69.54/MWh
Day average £69.54
Demand30.7GW
Generation 27.1Transfers 3.6
Fossil fuels46%
Renewables16%
Other38%
Carbon intensityModerate
199g/kWh
0Day average 199300
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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 Thursday 27 May 2021, gas supplied 46% of Great Britain’s electricity and nuclear 17%. Demand peaked at 36.9 GW at 12:30. Carbon intensity averaged 199 g/kWh and the price £69.54/MWh. Wind generation peaked at 3.2 GW at 06:25. Solar generation peaked at 7.8 GW at 13:30. Carbon intensity was lowest at 14:30 (174 g/kWh) and highest at 21:30 (235 g/kWh). The wholesale price ranged from £44.05/MWh at 06:00 to £101.55/MWh at 20:00. Gas made 53% 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 2.799.0%Wind 1.956.3%Gas 14.3346.0%Hydro 0.311.0%Biomass 2.377.6%Nuclear 5.3917.3%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 30.7avgGeneration 27.1avgTransfers 3.6avg
The day in figurespeaks, averages, totals
Peak demand36.9GW · 12:30
Low 22.4 · 04:45Avg 30.70–40 GW
Made in Great Britain88%of demand
Generation 27.1Transfers 3.6 GW
Net imports90GWh
In
92 Out
2
Zero-carbon share38%of generation
Nuclear 20%Hydro 1%Wind 7%Solar 10%

Transfers · Thu 27 May

Interconnectors and storage

On Thursday 27 May 2021, Great Britain imported 92 GWh and exported 2 GWh through its interconnectors. The most came from France (68 GWh), and the most exports went to Ireland (2 GWh).

All interconnectors

Thu 27 May
Imported
92GWh
Exported
2GWh
Net in
90GWh
Average net flow
3.76GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.89GWImporting

In 21.4 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.85GWImporting

In 68.4 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.01GWImporting

In 2.2 GWhOut 2.0 GWh

Netherlands

BritNed

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.1 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.18GWPumping

Generated 3.8 GWhPumped 8.1 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.