Electricity Live

Great Britain’s electricity on Tuesday 28 March 2023

On Tuesday 28 March, demand averaged 33.0 GW. Renewables supplied 37%.

33.0GW AVERAGEWind11.84 GW35%Hydro0.38 GW1%Biomass1.96 GW6%Solar0.48 GW1%Gas10.34 GW31%Imports4.72 GW14%Nuclear4.16 GW12%33.0GW AVERAGE35%31%14%12%
Price
£120.80/MWh
Day average £120.80
Demand33.0GW
Generation 29.2Transfers 3.9
Fossil fuels31%
Renewables37%
Other32%
Carbon intensityModerate
145g/kWh
0Day average 145300
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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 Tuesday 28 March 2023, wind supplied 35% of Great Britain’s electricity and gas 31%. Demand peaked at 39.6 GW at 11:10. Carbon intensity averaged 145 g/kWh and the price £120.80/MWh. Wind generation peaked at 15.0 GW at 11:30. Solar generation peaked at 1.9 GW at 13:00. Carbon intensity was lowest at 23:30 (108 g/kWh) and highest at 20:00 (166 g/kWh). The wholesale price ranged from £82.93/MWh at 00:30 to £158.66/MWh at 07:30. Wind made 41% 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 0.481.4%Wind 11.8434.9%Gas 10.3430.5%Hydro 0.381.1%Biomass 1.965.8%Nuclear 4.1612.3%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 33.0avgGeneration 29.2avgTransfers 3.9avg
The day in figurespeaks, averages, totals
Peak demand39.6GW · 11:10
Low 23.6 · 04:15Avg 33.00–40 GW
Made in Great Britain88%of demand
Generation 29.2Transfers 3.9 GW
Net imports93GWh
In
107 Out
14
Zero-carbon share58%of generation
Nuclear 14%Hydro 1%Wind 41%Solar 2%

Transfers · Tue 28 Mar

Interconnectors and storage

On Tuesday 28 March 2023, Great Britain imported 107 GWh and exported 14 GWh through its interconnectors. The most came from France (38 GWh), and the most exports went to Ireland (9 GWh).

All interconnectors

Tue 28 Mar
Imported
107GWh
Exported
14GWh
Net in
93GWh
Average net flow
3.88GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.56GWImporting

In 13.8 GWhOut 0.4 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.40GWImporting

In 38.1 GWhOut 4.5 GWh

Ireland

Moyle · East–West · Greenlink

Average0.09GWExporting

In 6.6 GWhOut 8.8 GWh

Netherlands

BritNed

Average0.92GWImporting

In 22.1 GWhOut 0.0 GWh

Norway

North Sea Link

Average1.10GWImporting

In 26.3 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.02GWPumping

Generated 6.3 GWhPumped 6.9 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.