Electricity Live

Great Britain’s electricity on Wednesday 15 March 2023

On Wednesday 15 March, demand averaged 35.0 GW. Renewables supplied 25%.

35.0GW AVERAGEWind7.64 GW21%Hydro0.34 GW1%Biomass1.87 GW5%Solar1.08 GW3%Gas15.13 GW43%Coal0.28 GW1%Imports5.16 GW15%Nuclear4.06 GW11%35.0GW AVERAGE21%43%15%11%
Price
£132.55/MWh
Day average £132.55
Demand35.0GW
Generation 30.4Transfers 4.5
Fossil fuels43%
Renewables25%
Other31%
Carbon intensityHigh
193g/kWh
0Day average 193300
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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 Wednesday 15 March 2023, gas supplied 43% of Great Britain’s electricity and wind 21%. Demand peaked at 41.2 GW at 19:00. Carbon intensity averaged 193 g/kWh and the price £132.55/MWh. Wind generation peaked at 17.1 GW at 23:10. Solar generation peaked at 4.4 GW at 11:30. Carbon intensity was lowest at 23:30 (61 g/kWh) and highest at 06:30 (252 g/kWh). The wholesale price ranged from £95.66/MWh at 22:30 to £178.04/MWh at 00:30. Gas made 50% 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 1.083.0%Wind 7.6421.5%Gas 15.1342.5%Hydro 0.341.0%Biomass 1.875.3%Nuclear 4.0611.4%Coal 0.280.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 35.0avgGeneration 30.4avgTransfers 4.5avg
The day in figurespeaks, averages, totals
Peak demand41.2GW · 19:00
Low 25.3 · 04:00Avg 35.00–60 GW
Made in Great Britain87%of demand
Generation 30.4Transfers 4.5 GW
Net imports112GWh
In
118 Out
6
Zero-carbon share43%of generation
Nuclear 13%Hydro 1%Wind 25%Solar 4%

Transfers · Wed 15 Mar

Interconnectors and storage

On Wednesday 15 March 2023, Great Britain imported 118 GWh and exported 6 GWh through its interconnectors. The most came from France (52 GWh), and the most exports went to Ireland (6 GWh).

All interconnectors

Wed 15 Mar
Imported
118GWh
Exported
6GWh
Net in
112GWh
Average net flow
4.68GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.52GWImporting

In 12.5 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.19GWImporting

In 52.5 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.17GWExporting

In 1.5 GWhOut 5.5 GWh

Netherlands

BritNed

Average0.86GWImporting

In 20.5 GWhOut 0.0 GWh

Norway

North Sea Link

Average1.29GWImporting

In 30.9 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.14GWPumping

Generated 6.0 GWhPumped 9.3 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.