Electricity Live

Great Britain’s electricity on Friday 8 September 2023

On Friday 8 September, demand averaged 28.5 GW. Renewables supplied 10%.

28.5GW AVERAGEWind0.66 GW2%Hydro0.22 GW1%Biomass1.37 GW5%Solar2.13 GW7%Gas16.42 GW55%Coal0.61 GW2%Imports3.37 GW11%Nuclear5.21 GW17%28.5GW AVERAGE7%55%11%17%
Price
£103.47/MWh
Day average £103.47
Demand28.5GW
Generation 26.6Transfers 1.8
Fossil fuels55%
Renewables10%
Other33%
Carbon intensityHigh
252g/kWh
0Day average 252300
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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 Friday 8 September 2023, gas supplied 55% of Great Britain’s electricity and nuclear 17%. Demand peaked at 35.1 GW at 11:30. Carbon intensity averaged 252 g/kWh and the price £103.47/MWh. Wind generation peaked at 1.4 GW at 23:45. Solar generation peaked at 7.5 GW at 13:30. Carbon intensity was lowest at 13:30 (206 g/kWh) and highest at 06:00 (280 g/kWh). The wholesale price ranged from £71.04/MWh at 12:00 to £184.99/MWh at 18:30. Gas made 62% 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 2.137.1%Wind 0.662.2%Gas 16.4254.8%Hydro 0.220.7%Biomass 1.374.6%Nuclear 5.2117.4%Coal 0.612.0%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.5avgGeneration 26.6avgTransfers 1.8avg
The day in figurespeaks, averages, totals
Peak demand35.1GW · 11:30
Low 20.9 · 04:30Avg 28.50–40 GW
Made in Great Britain94%of demand
Generation 26.6Transfers 1.8 GW
Net imports43GWh
In
78 Out
36
Zero-carbon share31%of generation
Nuclear 20%Hydro 1%Wind 2%Solar 8%

Transfers · Fri 8 Sept

Interconnectors and storage

On Friday 8 September 2023, Great Britain imported 78 GWh and exported 36 GWh through its interconnectors. The most came from Norway (34 GWh), and the most exports went to Ireland (18 GWh).

All interconnectors

Fri 8 Sept
Imported
78GWh
Exported
36GWh
Net in
43GWh
Average net flow
1.77GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.12GWImporting

In 9.0 GWhOut 6.2 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.11GWImporting

In 28.7 GWhOut 2.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.76GWExporting

In 0.0 GWhOut 18.2 GWh

Netherlands

BritNed

Average0.10GWExporting

In 7.0 GWhOut 9.2 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.6 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.07GWGenerating

Generated 2.6 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.