Electricity Live

Great Britain’s electricity on Wednesday 23 August 2023

On Wednesday 23 August, demand averaged 27.2 GW. Renewables supplied 19%.

27.2GW AVERAGEWind2.77 GW9%Hydro0.35 GW1%Biomass0.75 GW3%Solar2.44 GW8%Gas15.59 GW53%Coal0.64 GW2%Imports2.39 GW8%Nuclear4.55 GW15%27.2GW AVERAGE9%8%53%8%15%
Price
£109.72/MWh
Day average £109.72
Demand27.2GW
Generation 27.1Transfers 0.1
Fossil fuels53%
Renewables19%
Other26%
Carbon intensityHigh
241g/kWh
0Day average 241300
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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 23 August 2023, gas supplied 53% of Great Britain’s electricity and nuclear 15%. Demand peaked at 33.4 GW at 11:30. Carbon intensity averaged 241 g/kWh and the price £109.72/MWh. Wind generation peaked at 5.3 GW at 23:35. Solar generation peaked at 8.3 GW at 12:30. Carbon intensity was lowest at 12:00 (208 g/kWh) and highest at 06:30 (282 g/kWh). The wholesale price ranged from £0.00/MWh at 23:00 to £195.28/MWh at 18:00. Gas made 58% 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 2.448.3%Wind 2.779.4%Gas 15.5952.9%Hydro 0.351.2%Biomass 0.752.5%Nuclear 4.5515.4%Coal 0.642.2%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 27.2avgGeneration 27.1avgTransfers 0.1avg
The day in figurespeaks, averages, totals
Peak demand33.4GW · 11:30
Low 19.6 · 03:55Avg 27.20–40 GW
Made in Great Britain100%of demand
Generation 27.1Transfers 0.1 GW
Net exports1GWh
In
53 Out
54
Zero-carbon share37%of generation
Nuclear 17%Hydro 1%Wind 10%Solar 9%

Transfers · Wed 23 Aug

Interconnectors and storage

On Wednesday 23 August 2023, Great Britain imported 53 GWh and exported 54 GWh through its interconnectors. The most came from Norway (34 GWh), and the most exports went to France (27 GWh).

All interconnectors

Wed 23 Aug
Imported
53GWh
Exported
54GWh
Net out
1GWh
Average net flow
0.04GW out

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.04GWExporting

In 7.9 GWhOut 8.9 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.95GWExporting

In 4.0 GWhOut 26.9 GWh

Ireland

Moyle · East–West · Greenlink

Average0.43GWExporting

In 0.1 GWhOut 10.5 GWh

Netherlands

BritNed

Average0.01GWExporting

In 7.4 GWhOut 7.7 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.6 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.12GWGenerating

Generated 4.2 GWhPumped 1.4 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.