Electricity Live

Great Britain’s electricity on Saturday 9 September 2023

On Saturday 9 September, demand averaged 26.2 GW. Renewables supplied 17%.

26.2GW AVERAGEWind2.20 GW8%Hydro0.16 GW1%Biomass1.33 GW5%Solar2.46 GW9%Gas12.31 GW45%Coal0.25 GW1%Imports3.70 GW13%Nuclear5.21 GW19%26.2GW AVERAGE8%9%45%13%19%
Price
£92.94/MWh
Day average £92.94
Demand26.2GW
Generation 23.9Transfers 2.2
Fossil fuels45%
Renewables17%
Other37%
Carbon intensityHigh
203g/kWh
0Day average 203300
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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 9 September 2023, gas supplied 45% of Great Britain’s electricity and nuclear 19%. Demand peaked at 31.2 GW at 12:00. Carbon intensity averaged 203 g/kWh and the price £92.94/MWh. Wind generation peaked at 3.5 GW at 16:45. Solar generation peaked at 8.5 GW at 12:00. Carbon intensity was lowest at 12:30 (125 g/kWh) and highest at 21:30 (275 g/kWh). The wholesale price ranged from £68.84/MWh at 14:30 to £126.84/MWh at 18:30. Gas made 51% 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 2.468.9%Wind 2.208.0%Gas 12.3144.6%Hydro 0.160.6%Biomass 1.334.8%Nuclear 5.2118.9%Coal 0.250.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 26.2avgGeneration 23.9avgTransfers 2.2avg
The day in figurespeaks, averages, totals
Peak demand31.2GW · 12:00
Low 20.0 · 04:40Avg 26.20–40 GW
Made in Great Britain91%of demand
Generation 23.9Transfers 2.2 GW
Net imports54GWh
In
88 Out
34
Zero-carbon share42%of generation
Nuclear 22%Hydro 1%Wind 9%Solar 10%

Transfers · Sat 9 Sept

Interconnectors and storage

On Saturday 9 September 2023, Great Britain imported 88 GWh and exported 34 GWh through its interconnectors. The most came from France (39 GWh), and the most exports went to Ireland (19 GWh).

All interconnectors

Sat 9 Sept
Imported
88GWh
Exported
34GWh
Net in
54GWh
Average net flow
2.25GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.15GWImporting

In 8.0 GWhOut 4.4 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.62GWImporting

In 39.1 GWhOut 0.2 GWh

Ireland

Moyle · East–West · Greenlink

Average0.79GWExporting

In 0.0 GWhOut 19.0 GWh

Netherlands

BritNed

Average0.12GWExporting

In 7.4 GWhOut 10.3 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.6 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.01GWPumping

Generated 0.7 GWhPumped 1.0 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.