Electricity Live

Great Britain’s electricity on Tuesday 17 September 2024

On Tuesday 17 September, demand averaged 28.1 GW. Renewables supplied 26%.

28.1GW AVERAGEWind4.25 GW14%Hydro0.40 GW1%Biomass3.14 GW11%Solar2.98 GW10%Gas7.77 GW26%Coal0.22 GW1%Imports5.73 GW20%Nuclear4.88 GW17%28.1GW AVERAGE14%11%10%26%20%17%
Price
£81.23/MWh
Day average £81.23
Demand28.1GW
Generation 23.6Transfers 4.5
Fossil fuels26%
Renewables26%
Other47%
Carbon intensityModerate
136g/kWh
0Day average 136300
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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 Tuesday 17 September 2024, gas supplied 26% of Great Britain’s electricity and nuclear 17%. Demand peaked at 34.0 GW at 10:00. Carbon intensity averaged 136 g/kWh and the price £81.23/MWh. Wind generation peaked at 5.4 GW at 23:45. Solar generation peaked at 10.1 GW at 13:00. Carbon intensity was lowest at 13:00 (94 g/kWh) and highest at 18:30 (194 g/kWh). The wholesale price ranged from £61.25/MWh at 14:00 to £124.71/MWh at 07:30. Gas made 33% of the electricity generated in Great Britain, compared with 31% across 2024.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 2.9810.2%Wind 4.2514.5%Gas 7.7726.5%Hydro 0.401.4%Biomass 3.1410.7%Nuclear 4.8816.6%Coal 0.220.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.1avgGeneration 23.6avgTransfers 4.5avg
The day in figurespeaks, averages, totals
Peak demand34.0GW · 10:00
Low 20.0 · 04:15Avg 28.10–40 GW
Made in Great Britain84%of demand
Generation 23.6Transfers 4.5 GW
Net imports108GWh
In
135 Out
27
Zero-carbon share53%of generation
Nuclear 21%Hydro 2%Wind 18%Solar 13%

Transfers · Tue 17 Sept

Interconnectors and storage

On Tuesday 17 September 2024, Great Britain imported 135 GWh and exported 27 GWh through its interconnectors. The most came from France (48 GWh), and the most exports went to Ireland (20 GWh).

All interconnectors

Tue 17 Sept
Imported
135GWh
Exported
27GWh
Net in
108GWh
Average net flow
4.51GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.94GWImporting

In 22.7 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.41GWImporting

In 14.4 GWhOut 4.5 GWh

France

IFA · IFA2 · ElecLink

Average1.99GWImporting

In 47.8 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.84GWExporting

In 0.0 GWhOut 20.3 GWh

Netherlands

BritNed

Average0.60GWImporting

In 16.6 GWhOut 2.1 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.03GWPumping

Generated 2.6 GWhPumped 3.2 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.