Electricity Live

Great Britain’s electricity on Monday 1 May 2023

On Monday 1 May, demand averaged 26.5 GW. Renewables supplied 27%.

26.5GW AVERAGEWind5.24 GW19%Hydro0.14 GW1%Biomass1.35 GW5%Solar2.06 GW8%Gas8.21 GW30%Imports6.62 GW24%Nuclear3.58 GW13%26.5GW AVERAGE19%8%30%24%13%
Price
£90.94/MWh
Day average £90.94
Demand26.5GW
Generation 20.6Transfers 5.9
Fossil fuels30%
Renewables27%
Other42%
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 Monday 1 May 2023, gas supplied 30% of Great Britain’s electricity and wind 19%. Demand peaked at 31.6 GW at 12:05. Carbon intensity averaged 145 g/kWh and the price £90.94/MWh. Wind generation peaked at 6.5 GW at 12:55. Solar generation peaked at 5.8 GW at 12:30. Carbon intensity was lowest at 00:00 (112 g/kWh) and highest at 23:30 (215 g/kWh). The wholesale price ranged from £73.22/MWh at 01:00 to £119.73/MWh at 20:30. Gas made 40% 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 2.067.6%Wind 5.2419.2%Gas 8.2130.2%Hydro 0.140.5%Biomass 1.355.0%Nuclear 3.5813.2%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 26.5avgGeneration 20.6avgTransfers 5.9avg
The day in figurespeaks, averages, totals
Peak demand31.6GW · 12:05
Low 19.9 · 04:25Avg 26.50–40 GW
Made in Great Britain78%of demand
Generation 20.6Transfers 5.9 GW
Net imports143GWh
In
155 Out
12
Zero-carbon share54%of generation
Nuclear 17%Hydro 1%Wind 25%Solar 10%

Transfers · Mon 1 May

Interconnectors and storage

On Monday 1 May 2023, Great Britain imported 155 GWh and exported 12 GWh through its interconnectors. The most came from France (90 GWh), and the most exports went to Ireland (12 GWh).

All interconnectors

Mon 1 May
Imported
155GWh
Exported
12GWh
Net in
143GWh
Average net flow
5.96GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.84GWImporting

In 20.3 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average3.74GWImporting

In 89.8 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.51GWExporting

In 0.0 GWhOut 12.2 GWh

Netherlands

BritNed

Average0.78GWImporting

In 18.8 GWhOut 0.0 GWh

Norway

North Sea Link

Average1.10GWImporting

In 26.3 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.01GWPumping

Generated 3.8 GWhPumped 4.1 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.