Electricity Live

Great Britain’s electricity on Monday 11 September 2023

On Monday 11 September, demand averaged 28.4 GW. Renewables supplied 22%.

28.4GW AVERAGEWind5.01 GW16%Hydro0.16 GW1%Biomass1.42 GW5%Solar1.61 GW5%Gas14.68 GW48%Coal0.54 GW2%Imports2.15 GW7%Nuclear5.20 GW17%28.4GW AVERAGE16%48%17%
Price
£93.11/MWh
Day average £93.11
Demand28.4GW
Generation 28.6Transfers −0.2
Fossil fuels48%
Renewables22%
Other29%
Carbon intensityHigh
214g/kWh
0Day average 214300
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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 Monday 11 September 2023, gas supplied 48% of Great Britain’s electricity and nuclear 17%. Demand peaked at 34.8 GW at 12:20. Carbon intensity averaged 214 g/kWh and the price £93.11/MWh. Wind generation peaked at 7.4 GW at 04:15. Solar generation peaked at 5.3 GW at 12:00. Carbon intensity was lowest at 02:30 (146 g/kWh) and highest at 19:00 (262 g/kWh). The wholesale price ranged from £65.30/MWh at 05:00 to £155.71/MWh at 18:00. 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 1.615.2%Wind 5.0116.3%Gas 14.6847.7%Hydro 0.160.5%Biomass 1.424.6%Nuclear 5.2016.9%Coal 0.541.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.4avgGeneration 28.6avgTransfers −0.2avg
The day in figurespeaks, averages, totals
Peak demand34.8GW · 12:20
Low 19.9 · 03:20Avg 28.40–40 GW
Made in Great Britain101%of demand
Generation 28.6Transfers −0.2 GW
Net exports4GWh
In
49 Out
53
Zero-carbon share42%of generation
Nuclear 18%Hydro 1%Wind 18%Solar 6%

Transfers · Mon 11 Sept

Interconnectors and storage

On Monday 11 September 2023, Great Britain imported 49 GWh and exported 53 GWh through its interconnectors. The most came from Norway (34 GWh), and the most exports went to Ireland (17 GWh).

All interconnectors

Mon 11 Sept
Imported
49GWh
Exported
53GWh
Net out
4GWh
Average net flow
0.16GW out

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.37GWExporting

In 2.2 GWhOut 11.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.06GWExporting

In 8.7 GWhOut 10.2 GWh

Ireland

Moyle · East–West · Greenlink

Average0.72GWExporting

In 0.0 GWhOut 17.3 GWh

Netherlands

BritNed

Average0.41GWExporting

In 4.6 GWhOut 14.4 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.6 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.04GWPumping

Generated 2.6 GWhPumped 3.6 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.