Electricity Live

Great Britain’s electricity on Tuesday 2 May 2023

On Tuesday 2 May, demand averaged 29.0 GW. Renewables supplied 16%.

29.0GW AVERAGEWind2.47 GW8%Hydro0.17 GW1%Biomass1.34 GW5%Solar2.08 GW7%Gas14.75 GW50%Imports5.27 GW18%Nuclear3.57 GW12%29.0GW AVERAGE8%7%50%18%12%
Price
£97.80/MWh
Day average £97.80
Demand29.0GW
Generation 24.4Transfers 4.7
Fossil fuels50%
Renewables16%
Other34%
Carbon intensityHigh
219g/kWh
0Day average 219300
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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 2 May 2023, gas supplied 50% of Great Britain’s electricity and nuclear 12%. Demand peaked at 35.2 GW at 11:55. Carbon intensity averaged 219 g/kWh and the price £97.80/MWh. Wind generation peaked at 4.4 GW at 23:55. Solar generation peaked at 6.0 GW at 11:30. Carbon intensity was lowest at 11:30 (200 g/kWh) and highest at 21:30 (253 g/kWh). The wholesale price ranged from £76.91/MWh at 04:30 to £130.53/MWh at 07:30. Gas made 61% 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 2.087.0%Wind 2.478.3%Gas 14.7549.8%Hydro 0.170.6%Biomass 1.344.5%Nuclear 3.5712.0%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.0avgGeneration 24.4avgTransfers 4.7avg
The day in figurespeaks, averages, totals
Peak demand35.2GW · 11:55
Low 20.1 · 04:45Avg 29.00–40 GW
Made in Great Britain84%of demand
Generation 24.4Transfers 4.7 GW
Net imports112GWh
In
123 Out
11
Zero-carbon share34%of generation
Nuclear 15%Hydro 1%Wind 10%Solar 9%

Transfers · Tue 2 May

Interconnectors and storage

On Tuesday 2 May 2023, Great Britain imported 123 GWh and exported 11 GWh through its interconnectors. The most came from France (67 GWh), and the most exports went to Ireland (11 GWh).

All interconnectors

Tue 2 May
Imported
123GWh
Exported
11GWh
Net in
112GWh
Average net flow
4.65GW 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

Average2.79GWImporting

In 67.0 GWhOut 0.1 GWh

Ireland

Moyle · East–West · Greenlink

Average0.43GWExporting

In 0.2 GWhOut 10.6 GWh

Netherlands

BritNed

Average0.70GWImporting

In 16.8 GWhOut 0.0 GWh

Norway

North Sea Link

Average1.04GWImporting

In 24.9 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.01GWGenerating

Generated 3.7 GWhPumped 3.5 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.