Electricity Live

Great Britain’s electricity on Saturday 18 March 2023

On Saturday 18 March, demand averaged 28.4 GW. Renewables supplied 27%.

28.4GW AVERAGEWind6.30 GW22%Hydro0.36 GW1%Biomass1.21 GW4%Solar1.15 GW4%Gas9.90 GW34%Imports6.25 GW21%Nuclear4.06 GW14%28.4GW AVERAGE22%34%21%14%
Price
£104.60/MWh
Day average £104.60
Demand28.4GW
Generation 23.0Transfers 5.4
Fossil fuels34%
Renewables27%
Other39%
Carbon intensityModerate
159g/kWh
0Day average 159300
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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 18 March 2023, gas supplied 34% of Great Britain’s electricity and wind 22%. Demand peaked at 33.7 GW at 19:05. Carbon intensity averaged 159 g/kWh and the price £104.60/MWh. Wind generation peaked at 8.9 GW at 23:55. Solar generation peaked at 4.3 GW at 12:00. Carbon intensity was lowest at 23:30 (95 g/kWh) and highest at 08:30 (190 g/kWh). The wholesale price ranged from £73.95/MWh at 14:30 to £129.31/MWh at 23:00. Gas made 43% 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 1.153.9%Wind 6.3021.6%Gas 9.9033.9%Hydro 0.361.2%Biomass 1.214.1%Nuclear 4.0613.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.4avgGeneration 23.0avgTransfers 5.4avg
The day in figurespeaks, averages, totals
Peak demand33.7GW · 19:05
Low 22.0 · 05:35Avg 28.40–40 GW
Made in Great Britain81%of demand
Generation 23.0Transfers 5.4 GW
Net imports135GWh
In
147 Out
12
Zero-carbon share52%of generation
Nuclear 18%Hydro 2%Wind 27%Solar 5%

Transfers · Sat 18 Mar

Interconnectors and storage

On Saturday 18 March 2023, Great Britain imported 147 GWh and exported 12 GWh through its interconnectors. The most came from France (75 GWh), and the most exports went to Ireland (12 GWh).

All interconnectors

Sat 18 Mar
Imported
147GWh
Exported
12GWh
Net in
135GWh
Average net flow
5.64GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.91GWImporting

In 21.9 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average3.11GWImporting

In 74.6 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.30GWExporting

In 4.4 GWhOut 11.6 GWh

Netherlands

BritNed

Average0.82GWImporting

In 19.8 GWhOut 0.0 GWh

Norway

North Sea Link

Average1.10GWImporting

In 26.3 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.23GWPumping

Generated 2.9 GWhPumped 8.6 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.