Electricity Live

Great Britain’s electricity on Tuesday 26 September 2023

On Tuesday 26 September, demand averaged 29.2 GW. Renewables supplied 45%.

29.2GW AVERAGEWind12.00 GW38%Hydro0.61 GW2%Biomass1.37 GW4%Solar1.65 GW5%Gas7.93 GW25%Coal1.17 GW4%Imports1.95 GW6%Nuclear5.07 GW16%29.2GW AVERAGE38%25%16%
Price
£96.15/MWh
Day average £96.15
Demand29.2GW
Generation 29.8Transfers −0.6
Fossil fuels25%
Renewables45%
Other26%
Carbon intensityModerate
145g/kWh
0Day average 145300
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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 Tuesday 26 September 2023, wind supplied 38% of Great Britain’s electricity and gas 25%. Demand peaked at 36.2 GW at 12:00. Carbon intensity averaged 145 g/kWh and the price £96.15/MWh. Wind generation peaked at 17.3 GW at 12:20. Solar generation peaked at 7.1 GW at 13:00. Carbon intensity was lowest at 12:00 (72 g/kWh) and highest at 20:30 (189 g/kWh). The wholesale price ranged from £46.41/MWh at 13:30 to £128.48/MWh at 07:30. Wind made 40% 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 1.655.2%Wind 12.0037.8%Gas 7.9325.0%Hydro 0.611.9%Biomass 1.374.3%Nuclear 5.0716.0%Coal 1.173.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.2avgGeneration 29.8avgTransfers −0.6avg
The day in figurespeaks, averages, totals
Peak demand36.2GW · 12:00
Low 21.3 · 04:25Avg 29.20–40 GW
Made in Great Britain102%of demand
Generation 29.8Transfers −0.6 GW
Net exports19GWh
In
42 Out
61
Zero-carbon share65%of generation
Nuclear 17%Hydro 2%Wind 40%Solar 6%

Transfers · Tue 26 Sept

Interconnectors and storage

On Tuesday 26 September 2023, Great Britain imported 42 GWh and exported 61 GWh through its interconnectors. The most came from Norway (34 GWh), and the most exports went to France (30 GWh).

All interconnectors

Tue 26 Sept
Imported
42GWh
Exported
61GWh
Net out
19GWh
Average net flow
0.81GW out

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.19GWExporting

In 1.6 GWhOut 30.2 GWh

Ireland

Moyle · East–West · Greenlink

Average0.36GWExporting

In 6.1 GWhOut 14.8 GWh

Netherlands

BritNed

Average0.65GWExporting

In 0.4 GWhOut 16.1 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.6 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.18GWGenerating

Generated 5.2 GWhPumped 0.9 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.