Electricity Live

Great Britain’s electricity on Friday 20 September 2024

On Friday 20 September, demand averaged 28.0 GW. Renewables supplied 31%.

28.0GW AVERAGEWind7.21 GW25%Hydro0.30 GW1%Biomass2.54 GW9%Solar1.48 GW5%Gas7.09 GW24%Imports5.79 GW20%Nuclear4.87 GW17%28.0GW AVERAGE25%9%24%20%17%
Price
£74.56/MWh
Day average £74.56
Demand28.0GW
Generation 23.5Transfers 4.5
Fossil fuels24%
Renewables31%
Other45%
Carbon intensityModerate
119g/kWh
0Day average 119300
Save as image
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 20 September 2024, wind supplied 25% of Great Britain’s electricity and gas 24%. Demand peaked at 33.7 GW at 12:00. Carbon intensity averaged 119 g/kWh and the price £74.56/MWh. Wind generation peaked at 9.8 GW at 19:50. Solar generation peaked at 5.5 GW at 12:30. Carbon intensity was lowest at 22:30 (80 g/kWh) and highest at 07:00 (158 g/kWh). The wholesale price ranged from £63.53/MWh at 05:30 to £97.24/MWh at 18:00. Wind made 31% of the electricity generated in Great Britain, compared with 35% across 2024.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 1.485.0%Wind 7.2124.6%Gas 7.0924.2%Hydro 0.301.0%Biomass 2.548.7%Nuclear 4.8716.6%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.0avgGeneration 23.5avgTransfers 4.5avg
The day in figurespeaks, averages, totals
Peak demand33.7GW · 12:00
Low 20.1 · 04:00Avg 28.00–40 GW
Made in Great Britain84%of demand
Generation 23.5Transfers 4.5 GW
Net imports112GWh
In
137 Out
25
Zero-carbon share59%of generation
Nuclear 21%Hydro 1%Wind 31%Solar 6%

Transfers · Fri 20 Sept

Interconnectors and storage

On Friday 20 September 2024, Great Britain imported 137 GWh and exported 25 GWh through its interconnectors. The most came from France (47 GWh), and the most exports went to Ireland (21 GWh).

All interconnectors

Fri 20 Sept
Imported
137GWh
Exported
25GWh
Net in
112GWh
Average net flow
4.65GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.89GWImporting

In 21.3 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.66GWImporting

In 17.9 GWhOut 2.1 GWh

France

IFA · IFA2 · ElecLink

Average1.97GWImporting

In 47.3 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.87GWExporting

In 0.0 GWhOut 21.0 GWh

Netherlands

BritNed

Average0.61GWImporting

In 17.1 GWhOut 2.4 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.17GWPumping

Generated 1.9 GWhPumped 6.0 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.