Electricity Live

Great Britain’s electricity on Sunday 12 March 2023

On Sunday 12 March, demand averaged 30.1 GW. Renewables supplied 55%.

30.1GW AVERAGEWind15.81 GW50%Hydro0.18 GW1%Biomass1.47 GW5%Solar1.20 GW4%Gas3.62 GW11%Coal0.28 GW1%Imports4.80 GW15%Nuclear4.09 GW13%30.1GW AVERAGE50%11%15%13%
Price
£90.93/MWh
Day average £90.93
Demand30.1GW
Generation 26.6Transfers 3.5
Fossil fuels11%
Renewables55%
Other33%
Carbon intensityLow
70g/kWh
0Day average 70300
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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 Sunday 12 March 2023, wind supplied 50% of Great Britain’s electricity and nuclear 13%. Demand peaked at 36.7 GW at 17:25. Carbon intensity averaged 70 g/kWh and the price £90.93/MWh. Wind generation peaked at 17.6 GW at 10:30. Solar generation peaked at 5.1 GW at 11:30. Carbon intensity was lowest at 11:00 (49 g/kWh) and highest at 18:30 (108 g/kWh). The wholesale price ranged from £21.21/MWh at 23:30 to £159.61/MWh at 19:00. Wind made 59% of the electricity generated in Great Britain, compared with 33% across 2023.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 1.203.8%Wind 15.8150.3%Gas 3.6211.5%Hydro 0.180.6%Biomass 1.474.7%Nuclear 4.0913.0%Coal 0.280.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 30.1avgGeneration 26.6avgTransfers 3.5avg
The day in figurespeaks, averages, totals
Peak demand36.7GW · 17:25
Low 22.7 · 05:20Avg 30.10–40 GW
Made in Great Britain88%of demand
Generation 26.6Transfers 3.5 GW
Net imports93GWh
In
108 Out
15
Zero-carbon share80%of generation
Nuclear 15%Hydro 1%Wind 59%Solar 4%

Transfers · Sun 12 Mar

Interconnectors and storage

On Sunday 12 March 2023, Great Britain imported 108 GWh and exported 15 GWh through its interconnectors. The most came from France (59 GWh), and the most exports went to Ireland (14 GWh).

All interconnectors

Sun 12 Mar
Imported
108GWh
Exported
15GWh
Net in
93GWh
Average net flow
3.86GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.51GWImporting

In 13.0 GWhOut 0.8 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.44GWImporting

In 58.7 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.59GWExporting

In 0.1 GWhOut 14.2 GWh

Netherlands

BritNed

Average0.73GWImporting

In 17.6 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.76GWImporting

In 18.2 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.37GWPumping

Generated 7.7 GWhPumped 16.6 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.