Electricity Live

Great Britain’s electricity on Sunday 10 September 2023

On Sunday 10 September, demand averaged 25.7 GW. Renewables supplied 14%.

25.7GW AVERAGEWind2.17 GW8%Hydro0.15 GW1%Biomass1.37 GW5%Solar1.48 GW5%Gas12.81 GW47%Coal0.34 GW1%Imports3.82 GW14%Nuclear5.21 GW19%25.7GW AVERAGE8%47%14%19%
Price
£94.33/MWh
Day average £94.33
Demand25.7GW
Generation 23.5Transfers 2.1
Fossil fuels47%
Renewables14%
Other38%
Carbon intensityHigh
213g/kWh
0Day average 213300
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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 Sunday 10 September 2023, gas supplied 47% of Great Britain’s electricity and nuclear 19%. Demand peaked at 31.1 GW at 16:55. Carbon intensity averaged 213 g/kWh and the price £94.33/MWh. Wind generation peaked at 4.9 GW at 18:55. Solar generation peaked at 5.3 GW at 13:30. Carbon intensity was lowest at 13:30 (186 g/kWh) and highest at 20:30 (252 g/kWh). The wholesale price ranged from £72.84/MWh at 07:00 to £118.30/MWh at 21:00. Gas made 54% 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 1.485.4%Wind 2.177.9%Gas 12.8146.8%Hydro 0.150.6%Biomass 1.375.0%Nuclear 5.2119.0%Coal 0.341.3%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 25.7avgGeneration 23.5avgTransfers 2.1avg
The day in figurespeaks, averages, totals
Peak demand31.1GW · 16:55
Low 19.4 · 04:40Avg 25.70–40 GW
Made in Great Britain92%of demand
Generation 23.5Transfers 2.1 GW
Net imports52GWh
In
91 Out
39
Zero-carbon share38%of generation
Nuclear 22%Hydro 1%Wind 9%Solar 6%

Transfers · Sun 10 Sept

Interconnectors and storage

On Sunday 10 September 2023, Great Britain imported 91 GWh and exported 39 GWh through its interconnectors. The most came from France (41 GWh), and the most exports went to Ireland (21 GWh).

All interconnectors

Sun 10 Sept
Imported
91GWh
Exported
39GWh
Net in
52GWh
Average net flow
2.17GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.12GWImporting

In 9.1 GWhOut 6.1 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.69GWImporting

In 41.3 GWhOut 0.7 GWh

Ireland

Moyle · East–West · Greenlink

Average0.86GWExporting

In 0.0 GWhOut 20.7 GWh

Netherlands

BritNed

Average0.19GWExporting

In 7.4 GWhOut 11.8 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.6 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.02GWPumping

Generated 0.4 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.