Electricity Live

Great Britain’s electricity on Monday 20 March 2023

On Monday 20 March, demand averaged 31.3 GW. Renewables supplied 29%.

31.3GW AVERAGEWind8.20 GW26%Hydro0.37 GW1%Biomass1.29 GW4%Solar0.58 GW2%Gas13.37 GW42%Imports4.13 GW13%Nuclear3.74 GW12%31.3GW AVERAGE26%42%13%12%
Price
£136.60/MWh
Day average £136.60
Demand31.3GW
Generation 27.5Transfers 3.8
Fossil fuels42%
Renewables29%
Other29%
Carbon intensityModerate
181g/kWh
0Day average 181300
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 Monday 20 March 2023, gas supplied 42% of Great Britain’s electricity and wind 26%. Demand peaked at 38.0 GW at 19:00. Carbon intensity averaged 181 g/kWh and the price £136.60/MWh. Wind generation peaked at 12.9 GW at 23:55. Solar generation peaked at 2.4 GW at 12:30. Carbon intensity was lowest at 23:30 (90 g/kWh) and highest at 13:30 (213 g/kWh). The wholesale price ranged from £103.36/MWh at 02:30 to £178.51/MWh at 17:30. Gas made 49% 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 0.581.8%Wind 8.2025.9%Gas 13.3742.2%Hydro 0.371.2%Biomass 1.294.1%Nuclear 3.7411.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.3avgGeneration 27.5avgTransfers 3.8avg
The day in figurespeaks, averages, totals
Peak demand38.0GW · 19:00
Low 21.9 · 04:00Avg 31.30–40 GW
Made in Great Britain88%of demand
Generation 27.5Transfers 3.8 GW
Net imports87GWh
In
90 Out
3
Zero-carbon share47%of generation
Nuclear 14%Hydro 1%Wind 30%Solar 2%

Transfers · Mon 20 Mar

Interconnectors and storage

On Monday 20 March 2023, Great Britain imported 90 GWh and exported 3 GWh through its interconnectors. The most came from France (36 GWh), and the most exports went to France (2 GWh).

All interconnectors

Mon 20 Mar
Imported
90GWh
Exported
3GWh
Net in
87GWh
Average net flow
3.63GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.48GWImporting

In 11.5 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.40GWImporting

In 36.0 GWhOut 2.4 GWh

Ireland

Moyle · East–West · Greenlink

Average0.13GWImporting

In 3.7 GWhOut 0.6 GWh

Netherlands

BritNed

Average0.57GWImporting

In 13.7 GWhOut 0.0 GWh

Norway

North Sea Link

Average1.05GWImporting

In 25.2 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.17GWGenerating

Generated 9.0 GWhPumped 4.9 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.