Electricity Live

Great Britain’s electricity on Wednesday 29 March 2023

On Wednesday 29 March, demand averaged 32.2 GW. Renewables supplied 42%.

32.2GW AVERAGEWind12.87 GW39%Hydro0.29 GW1%Biomass1.80 GW5%Solar0.56 GW2%Gas8.97 GW27%Imports4.39 GW13%Nuclear3.94 GW12%32.2GW AVERAGE39%27%13%12%
Price
£120.99/MWh
Day average £120.99
Demand32.2GW
Generation 28.4Transfers 3.8
Fossil fuels27%
Renewables42%
Other31%
Carbon intensityModerate
128g/kWh
0Day average 128300
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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 29 March 2023, wind supplied 39% of Great Britain’s electricity and gas 27%. Demand peaked at 37.9 GW at 10:00. Carbon intensity averaged 128 g/kWh and the price £120.99/MWh. Wind generation peaked at 17.9 GW at 16:05. Solar generation peaked at 1.7 GW at 10:00. Carbon intensity was lowest at 23:00 (64 g/kWh) and highest at 07:30 (188 g/kWh). The wholesale price ranged from £92.12/MWh at 01:00 to £154.67/MWh at 06:30. Wind made 45% 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 0.561.7%Wind 12.8739.2%Gas 8.9727.3%Hydro 0.290.9%Biomass 1.805.5%Nuclear 3.9412.0%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 32.2avgGeneration 28.4avgTransfers 3.8avg
The day in figurespeaks, averages, totals
Peak demand37.9GW · 10:00
Low 23.3 · 04:40Avg 32.20–40 GW
Made in Great Britain88%of demand
Generation 28.4Transfers 3.8 GW
Net imports96GWh
In
102 Out
6
Zero-carbon share62%of generation
Nuclear 14%Hydro 1%Wind 45%Solar 2%

Transfers · Wed 29 Mar

Interconnectors and storage

On Wednesday 29 March 2023, Great Britain imported 102 GWh and exported 6 GWh through its interconnectors. The most came from France (41 GWh), and the most exports went to Ireland (4 GWh).

All interconnectors

Wed 29 Mar
Imported
102GWh
Exported
6GWh
Net in
96GWh
Average net flow
4.01GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.37GWImporting

In 9.2 GWhOut 0.3 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.68GWImporting

In 41.3 GWhOut 0.9 GWh

Ireland

Moyle · East–West · Greenlink

Average0.20GWImporting

In 9.0 GWhOut 4.1 GWh

Netherlands

BritNed

Average0.77GWImporting

In 18.6 GWhOut 0.2 GWh

Norway

North Sea Link

Average0.98GWImporting

In 23.6 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.19GWPumping

Generated 3.7 GWhPumped 8.3 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.