Electricity Live

Great Britain’s electricity on Wednesday 18 October 2023

On Wednesday 18 October, demand averaged 31.4 GW. Renewables supplied 62%.

31.4GW AVERAGEWind19.21 GW58%Hydro0.55 GW2%Biomass1.94 GW6%Solar0.69 GW2%Gas3.78 GW11%Coal0.13 GW0%Imports2.68 GW8%Nuclear4.24 GW13%31.4GW AVERAGE58%11%8%13%
Price
£77.18/MWh
Day average £77.18
Demand31.4GW
Generation 30.5Transfers 0.8
Fossil fuels11%
Renewables62%
Other27%
Carbon intensityLow
68g/kWh
0Day average 68300
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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 18 October 2023, wind supplied 58% of Great Britain’s electricity and nuclear 13%. Demand peaked at 38.0 GW at 18:25. Carbon intensity averaged 68 g/kWh and the price £77.18/MWh. Wind generation peaked at 20.3 GW at 17:25. Solar generation peaked at 3.4 GW at 12:30. Carbon intensity was lowest at 23:00 (52 g/kWh) and highest at 17:30 (85 g/kWh). The wholesale price ranged from £8.38/MWh at 04:00 to £125.07/MWh at 18:30. Wind made 63% of the electricity generated in Great Britain, compared with 33% across 2023.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.692.1%Wind 19.2157.8%Gas 3.7811.4%Hydro 0.551.7%Biomass 1.945.9%Nuclear 4.2412.8%Coal 0.130.4%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.4avgGeneration 30.5avgTransfers 0.8avg
The day in figurespeaks, averages, totals
Peak demand38.0GW · 18:25
Low 22.6 · 04:10Avg 31.40–40 GW
Made in Great Britain97%of demand
Generation 30.5Transfers 0.8 GW
Net imports24GWh
In
58 Out
34
Zero-carbon share81%of generation
Nuclear 14%Hydro 2%Wind 63%Solar 2%

Transfers · Wed 18 Oct

Interconnectors and storage

On Wednesday 18 October 2023, Great Britain imported 58 GWh and exported 34 GWh through its interconnectors. The most came from France (37 GWh), and the most exports went to Ireland (13 GWh).

All interconnectors

Wed 18 Oct
Imported
58GWh
Exported
34GWh
Net in
24GWh
Average net flow
1.00GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.09GWImporting

In 10.3 GWhOut 8.1 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.37GWImporting

In 37.1 GWhOut 4.3 GWh

Ireland

Moyle · East–West · Greenlink

Average0.41GWExporting

In 3.2 GWhOut 13.2 GWh

Netherlands

BritNed

Average0.04GWExporting

In 7.7 GWhOut 8.8 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.16GWPumping

Generated 5.9 GWhPumped 9.6 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.