Electricity Live

Great Britain’s electricity on Sunday 27 August 2023

On Sunday 27 August, demand averaged 23.3 GW. Renewables supplied 27%.

23.3GW AVERAGEWind4.31 GW18%Hydro0.35 GW1%Biomass1.40 GW6%Solar1.86 GW8%Gas7.04 GW29%Imports4.48 GW18%Nuclear5.08 GW21%23.3GW AVERAGE18%8%29%18%21%
Price
£72.31/MWh
Day average £72.31
Demand23.3GW
Generation 20.1Transfers 3.3
Fossil fuels29%
Renewables27%
Other45%
Carbon intensityModerate
134g/kWh
0Day average 134300
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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

On the record lists

All records

Key moments

On Sunday 27 August 2023, gas supplied 29% of Great Britain’s electricity and nuclear 21%. Demand peaked at 28.4 GW at 17:55. Carbon intensity averaged 134 g/kWh and the price £72.31/MWh. Wind generation peaked at 5.6 GW at 23:55. Solar generation peaked at 5.6 GW at 11:30. Carbon intensity was lowest at 14:30 (107 g/kWh) and highest at 19:00 (182 g/kWh). The wholesale price ranged from £60.34/MWh at 09:00 to £91.60/MWh at 20:00. Gas made 35% of the electricity generated in Great Britain, compared with 36% across 2023.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 1.867.6%Wind 4.3117.6%Gas 7.0428.7%Hydro 0.351.4%Biomass 1.405.7%Nuclear 5.0820.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 23.3avgGeneration 20.1avgTransfers 3.3avg
The day in figurespeaks, averages, totals
Peak demand28.4GW · 17:55
Low 17.1 · 05:20Avg 23.30–30 GW
Made in Great Britain86%of demand
Generation 20.1Transfers 3.3 GW
Net imports81GWh
In
107 Out
26
Zero-carbon share58%of generation
Nuclear 25%Hydro 2%Wind 22%Solar 9%

Transfers · Sun 27 Aug

Interconnectors and storage

On Sunday 27 August 2023, Great Britain imported 107 GWh and exported 26 GWh through its interconnectors. The most came from France (56 GWh), and the most exports went to Ireland (12 GWh).

All interconnectors

Sun 27 Aug
Imported
107GWh
Exported
26GWh
Net in
81GWh
Average net flow
3.37GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.23GWImporting

In 9.2 GWhOut 3.6 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.35GWImporting

In 56.5 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.49GWExporting

In 0.4 GWhOut 12.3 GWh

Netherlands

BritNed

Average0.12GWExporting

In 7.5 GWhOut 10.4 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.6 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.10GWPumping

Generated 0.3 GWhPumped 2.6 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.