Electricity Live

Great Britain’s electricity on Wednesday 21 August 2024

On Wednesday 21 August, demand averaged 27.9 GW. Renewables supplied 58%.

27.9GW AVERAGEWind15.20 GW50%Hydro0.31 GW1%Biomass0.94 GW3%Solar2.18 GW7%Gas3.67 GW12%Imports2.84 GW9%Nuclear5.48 GW18%27.9GW AVERAGE50%7%12%9%18%
Price
£18.11/MWh
Day average £18.11
Demand27.9GW
Generation 27.8Transfers 0.1
Fossil fuels12%
Renewables58%
Other30%
Carbon intensityLow
58g/kWh
0Day average 58300
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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 Wednesday 21 August 2024, wind supplied 50% of Great Britain’s electricity and nuclear 18%. Demand peaked at 33.7 GW at 11:30. Carbon intensity averaged 58 g/kWh and the price £18.11/MWh. Wind generation peaked at 17.2 GW at 17:00. Solar generation peaked at 7.6 GW at 11:30. Carbon intensity was lowest at 10:00 (29 g/kWh) and highest at 20:30 (90 g/kWh). The wholesale price ranged from −£16.87/MWh at 12:30 to £83.94/MWh at 07:30. The price was below zero for 7.5 hours. Wind made 55% of the electricity generated in Great Britain, compared with 35% across 2024.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 2.187.1%Wind 15.2049.6%Gas 3.6712.0%Hydro 0.311.0%Biomass 0.943.1%Nuclear 5.4817.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 27.9avgGeneration 27.8avgTransfers 0.1avg
The day in figurespeaks, averages, totals
Peak demand33.7GW · 11:30
Low 20.0 · 04:00Avg 27.90–40 GW
Made in Great Britain100%of demand
Generation 27.8Transfers 0.1 GW
Net imports9GWh
In
66 Out
57
Zero-carbon share83%of generation
Nuclear 20%Hydro 1%Wind 55%Solar 8%

Transfers · Wed 21 Aug

Interconnectors and storage

On Wednesday 21 August 2024, Great Britain imported 66 GWh and exported 57 GWh through its interconnectors. The most came from France (20 GWh), and the most exports went to Ireland (17 GWh).

All interconnectors

Wed 21 Aug
Imported
66GWh
Exported
57GWh
Net in
9GWh
Average net flow
0.38GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.25GWExporting

In 6.3 GWhOut 12.3 GWh

Denmark

Viking Link

Average0.21GWImporting

In 12.4 GWhOut 7.3 GWh

France

IFA · IFA2 · ElecLink

Average0.56GWImporting

In 19.7 GWhOut 6.3 GWh

Ireland

Moyle · East–West · Greenlink

Average0.69GWExporting

In 0.2 GWhOut 16.7 GWh

Netherlands

BritNed

Average0.19GWExporting

In 8.0 GWhOut 12.5 GWh

Norway

North Sea Link

Average0.73GWImporting

In 19.1 GWhOut 1.6 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.29GWPumping

Generated 2.4 GWhPumped 9.4 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.