Electricity Live

Great Britain’s electricity on Thursday 28 September 2023

On Thursday 28 September, demand averaged 28.9 GW. Renewables supplied 52%.

28.9GW AVERAGEWind15.06 GW48%Hydro0.55 GW2%Biomass1.17 GW4%Solar0.80 GW3%Gas6.89 GW22%Coal0.45 GW1%Imports1.42 GW5%Nuclear5.08 GW16%28.9GW AVERAGE48%22%16%
Price
£87.28/MWh
Day average £87.28
Demand28.9GW
Generation 30.0Transfers −1.2
Fossil fuels22%
Renewables52%
Other24%
Carbon intensityLow
105g/kWh
0Day average 105300
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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 Thursday 28 September 2023, wind supplied 48% of Great Britain’s electricity and gas 22%. Demand peaked at 35.2 GW at 13:00. Carbon intensity averaged 105 g/kWh and the price £87.28/MWh. Wind generation peaked at 18.2 GW at 00:15. Solar generation peaked at 3.5 GW at 13:00. Carbon intensity was lowest at 04:30 (50 g/kWh) and highest at 18:30 (177 g/kWh). The wholesale price ranged from −£31.34/MWh at 00:00 to £141.86/MWh at 17:00. The price was below zero for 1.5 hours. Wind made 50% 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 0.802.6%Wind 15.0647.9%Gas 6.8921.9%Hydro 0.551.8%Biomass 1.173.7%Nuclear 5.0816.2%Coal 0.451.4%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.9avgGeneration 30.0avgTransfers −1.2avg
The day in figurespeaks, averages, totals
Peak demand35.2GW · 13:00
Low 20.2 · 03:00Avg 28.90–40 GW
Made in Great Britain104%of demand
Generation 30.0Transfers −1.2 GW
Net exports24GWh
In
32 Out
56
Zero-carbon share72%of generation
Nuclear 17%Hydro 2%Wind 50%Solar 3%

Transfers · Thu 28 Sept

Interconnectors and storage

On Thursday 28 September 2023, Great Britain imported 32 GWh and exported 56 GWh through its interconnectors. The most came from Norway (26 GWh), and the most exports went to France (32 GWh).

All interconnectors

Thu 28 Sept
Imported
32GWh
Exported
56GWh
Net out
24GWh
Average net flow
0.98GW out

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.01GWExporting

In 0.0 GWhOut 0.1 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.26GWExporting

In 2.0 GWhOut 32.2 GWh

Ireland

Moyle · East–West · Greenlink

Average0.29GWExporting

In 0.4 GWhOut 7.5 GWh

Netherlands

BritNed

Average0.50GWExporting

In 3.7 GWhOut 15.8 GWh

Norway

North Sea Link

Average1.08GWImporting

In 26.3 GWhOut 0.5 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.17GWPumping

Generated 1.6 GWhPumped 5.7 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.