Electricity Live

Great Britain’s electricity on Thursday 4 May 2023

On Thursday 4 May, demand averaged 29.4 GW. Renewables supplied 55%.

29.4GW AVERAGEWind14.58 GW47%Hydro0.14 GW0%Biomass1.09 GW4%Solar2.35 GW8%Gas6.37 GW20%Imports2.76 GW9%Nuclear3.78 GW12%29.4GW AVERAGE47%8%20%9%12%
Price
£65.86/MWh
Day average £65.86
Demand29.4GW
Generation 28.3Transfers 1.1
Fossil fuels20%
Renewables55%
Other25%
Carbon intensityLow
95g/kWh
0Day average 95300
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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 Thursday 4 May 2023, wind supplied 47% of Great Britain’s electricity and gas 20%. Demand peaked at 35.2 GW at 11:55. Carbon intensity averaged 95 g/kWh and the price £65.86/MWh. Wind generation peaked at 17.6 GW at 11:45. Solar generation peaked at 7.7 GW at 11:30. Carbon intensity was lowest at 11:00 (50 g/kWh) and highest at 20:30 (170 g/kWh). The wholesale price ranged from £30.68/MWh at 13:30 to £105.71/MWh at 06:30. Wind made 51% 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 2.357.6%Wind 14.5846.9%Gas 6.3720.5%Hydro 0.140.5%Biomass 1.093.5%Nuclear 3.7812.2%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.4avgGeneration 28.3avgTransfers 1.1avg
The day in figurespeaks, averages, totals
Peak demand35.2GW · 11:55
Low 20.7 · 04:25Avg 29.40–40 GW
Made in Great Britain96%of demand
Generation 28.3Transfers 1.1 GW
Net imports36GWh
In
64 Out
28
Zero-carbon share74%of generation
Nuclear 13%Hydro 1%Wind 51%Solar 8%

Transfers · Thu 4 May

Interconnectors and storage

On Thursday 4 May 2023, Great Britain imported 64 GWh and exported 28 GWh through its interconnectors. The most came from France (42 GWh), and the most exports went to Ireland (13 GWh).

All interconnectors

Thu 4 May
Imported
64GWh
Exported
28GWh
Net in
36GWh
Average net flow
1.50GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.07GWExporting

In 4.7 GWhOut 6.5 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.74GWImporting

In 41.7 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.36GWExporting

In 4.7 GWhOut 13.3 GWh

Netherlands

BritNed

Average0.05GWImporting

In 6.4 GWhOut 5.2 GWh

Norway

North Sea Link

Average0.15GWImporting

In 6.5 GWhOut 3.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.42GWPumping

Generated 2.2 GWhPumped 12.2 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.