Electricity Live

Great Britain’s electricity on Saturday 30 September 2023

On Saturday 30 September, demand averaged 25.3 GW. Renewables supplied 29%.

25.3GW AVERAGEWind5.69 GW22%Hydro0.74 GW3%Biomass1.37 GW5%Solar1.11 GW4%Gas8.57 GW32%Coal0.54 GW2%Imports3.84 GW15%Nuclear4.54 GW17%25.3GW AVERAGE22%32%15%17%
Price
£93.93/MWh
Day average £93.93
Demand25.3GW
Generation 22.6Transfers 2.8
Fossil fuels32%
Renewables29%
Other37%
Carbon intensityModerate
164g/kWh
0Day average 164300
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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 30 September 2023, gas supplied 32% of Great Britain’s electricity and wind 22%. Demand peaked at 30.3 GW at 19:35. Carbon intensity averaged 164 g/kWh and the price £93.93/MWh. Wind generation peaked at 12.7 GW at 22:55. Solar generation peaked at 4.2 GW at 11:30. Carbon intensity was lowest at 23:30 (71 g/kWh) and highest at 07:30 (217 g/kWh). The wholesale price ranged from £66.91/MWh at 00:00 to £121.51/MWh at 18:30. Gas made 38% 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 1.114.2%Wind 5.6921.6%Gas 8.5732.5%Hydro 0.742.8%Biomass 1.375.2%Nuclear 4.5417.2%Coal 0.542.0%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 25.3avgGeneration 22.6avgTransfers 2.8avg
The day in figurespeaks, averages, totals
Peak demand30.3GW · 19:35
Low 18.8 · 04:55Avg 25.30–40 GW
Made in Great Britain89%of demand
Generation 22.6Transfers 2.8 GW
Net imports63GWh
In
87 Out
24
Zero-carbon share54%of generation
Nuclear 20%Hydro 3%Wind 25%Solar 5%

Transfers · Sat 30 Sept

Interconnectors and storage

On Saturday 30 September 2023, Great Britain imported 87 GWh and exported 24 GWh through its interconnectors. The most came from France (43 GWh), and the most exports went to Netherlands (9 GWh).

All interconnectors

Sat 30 Sept
Imported
87GWh
Exported
24GWh
Net in
63GWh
Average net flow
2.63GW in

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

Average1.40GWImporting

In 42.5 GWhOut 8.8 GWh

Ireland

Moyle · East–West · Greenlink

Average0.09GWExporting

In 4.0 GWhOut 6.3 GWh

Netherlands

BritNed

Average0.08GWExporting

In 7.0 GWhOut 8.8 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.6 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.15GWGenerating

Generated 5.0 GWhPumped 1.4 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.