Electricity Live

Great Britain’s electricity on Saturday 4 March 2023

On Saturday 4 March, demand averaged 31.1 GW. Renewables supplied 14%.

31.1GW AVERAGEWind4.00 GW12%Hydro0.19 GW1%Biomass1.59 GW5%Solar0.53 GW2%Gas17.56 GW53%Coal0.08 GW0%Imports4.61 GW14%Nuclear4.51 GW14%31.1GW AVERAGE12%53%14%14%
Price
£139.36/MWh
Day average £139.36
Demand31.1GW
Generation 28.5Transfers 2.6
Fossil fuels53%
Renewables14%
Other32%
Carbon intensityHigh
238g/kWh
0Day average 238300
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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 Saturday 4 March 2023, gas supplied 53% of Great Britain’s electricity and nuclear 14%. Demand peaked at 36.5 GW at 18:10. Carbon intensity averaged 238 g/kWh and the price £139.36/MWh. Wind generation peaked at 5.7 GW at 04:25. Solar generation peaked at 2.2 GW at 11:00. Carbon intensity was lowest at 10:00 (221 g/kWh) and highest at 21:00 (267 g/kWh). The wholesale price ranged from £96.53/MWh at 07:00 to £195.17/MWh at 18:00. 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 0.531.6%Wind 4.0012.1%Gas 17.5653.1%Hydro 0.190.6%Biomass 1.594.8%Nuclear 4.5113.6%Coal 0.080.2%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.1avgGeneration 28.5avgTransfers 2.6avg
The day in figurespeaks, averages, totals
Peak demand36.5GW · 18:10
Low 23.8 · 04:40Avg 31.10–40 GW
Made in Great Britain92%of demand
Generation 28.5Transfers 2.6 GW
Net imports63GWh
In
105 Out
42
Zero-carbon share32%of generation
Nuclear 16%Hydro 1%Wind 14%Solar 2%

Transfers · Sat 4 Mar

Interconnectors and storage

On Saturday 4 March 2023, Great Britain imported 105 GWh and exported 42 GWh through its interconnectors. The most came from Norway (33 GWh), and the most exports went to France (24 GWh).

All interconnectors

Sat 4 Mar
Imported
105GWh
Exported
42GWh
Net in
63GWh
Average net flow
2.64GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.71GWImporting

In 17.0 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.29GWImporting

In 31.3 GWhOut 24.4 GWh

Ireland

Moyle · East–West · Greenlink

Average0.72GWExporting

In 0.0 GWhOut 17.4 GWh

Netherlands

BritNed

Average1.00GWImporting

In 23.9 GWhOut 0.0 GWh

Norway

North Sea Link

Average1.37GWImporting

In 33.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.03GWPumping

Generated 5.6 GWhPumped 6.2 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.