Electricity Live

Great Britain’s electricity on Saturday 2 September 2023

On Saturday 2 September, demand averaged 24.4 GW. Renewables supplied 18%.

24.4GW AVERAGEWind2.29 GW9%Hydro0.21 GW1%Biomass1.34 GW5%Solar2.24 GW9%Gas11.15 GW43%Coal0.02 GW0%Imports3.50 GW14%Nuclear5.20 GW20%24.4GW AVERAGE9%9%43%14%20%
Price
£84.86/MWh
Day average £84.86
Demand24.4GW
Generation 22.5Transfers 2.0
Fossil fuels43%
Renewables18%
Other39%
Carbon intensityHigh
189g/kWh
0Day average 189300
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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 Saturday 2 September 2023, gas supplied 43% of Great Britain’s electricity and nuclear 20%. Demand peaked at 29.1 GW at 11:35. Carbon intensity averaged 189 g/kWh and the price £84.86/MWh. Wind generation peaked at 3.9 GW at 22:00. Solar generation peaked at 7.7 GW at 13:30. Carbon intensity was lowest at 14:00 (123 g/kWh) and highest at 00:00 (225 g/kWh). The wholesale price ranged from £51.81/MWh at 14:30 to £111.25/MWh at 07:30. Gas made 50% 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 2.248.6%Wind 2.298.8%Gas 11.1542.9%Hydro 0.210.8%Biomass 1.345.2%Nuclear 5.2020.0%Coal 0.020.1%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 24.4avgGeneration 22.5avgTransfers 2.0avg
The day in figurespeaks, averages, totals
Peak demand29.1GW · 11:35
Low 18.5 · 04:20Avg 24.40–30 GW
Made in Great Britain92%of demand
Generation 22.5Transfers 2.0 GW
Net imports47GWh
In
83 Out
37
Zero-carbon share44%of generation
Nuclear 23%Hydro 1%Wind 10%Solar 10%

Transfers · Sat 2 Sept

Interconnectors and storage

On Saturday 2 September 2023, Great Britain imported 83 GWh and exported 37 GWh through its interconnectors. The most came from France (36 GWh), and the most exports went to Ireland (20 GWh).

All interconnectors

Sat 2 Sept
Imported
83GWh
Exported
37GWh
Net in
47GWh
Average net flow
1.95GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.09GWImporting

In 7.0 GWhOut 4.9 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.46GWImporting

In 35.6 GWhOut 0.5 GWh

Ireland

Moyle · East–West · Greenlink

Average0.82GWExporting

In 0.0 GWhOut 19.8 GWh

Netherlands

BritNed

Average0.18GWExporting

In 7.1 GWhOut 11.4 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.6 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.01GWGenerating

Generated 0.8 GWhPumped 0.6 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.