Electricity Live

Great Britain’s electricity on Monday 15 May 2023

On Monday 15 May, demand averaged 28.1 GW. Renewables supplied 43%.

28.1GW AVERAGEWind9.64 GW32%Hydro0.12 GW0%Biomass1.07 GW4%Solar3.08 GW10%Gas8.60 GW29%Imports3.72 GW12%Nuclear3.54 GW12%28.1GW AVERAGE32%10%29%12%12%
Price
£83.36/MWh
Day average £83.36
Demand28.1GW
Generation 26.1Transfers 2.0
Fossil fuels29%
Renewables43%
Other28%
Carbon intensityModerate
126g/kWh
0Day average 126300
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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 15 May 2023, wind supplied 32% of Great Britain’s electricity and gas 29%. Demand peaked at 34.3 GW at 12:25. Carbon intensity averaged 126 g/kWh and the price £83.36/MWh. Wind generation peaked at 12.5 GW at 09:35. Solar generation peaked at 8.8 GW at 12:00. Carbon intensity was lowest at 14:30 (70 g/kWh) and highest at 21:30 (172 g/kWh). The wholesale price ranged from £63.69/MWh at 16:00 to £118.95/MWh at 07:30. Wind made 37% 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 3.0810.4%Wind 9.6432.4%Gas 8.6028.9%Hydro 0.120.4%Biomass 1.073.6%Nuclear 3.5411.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.1avgGeneration 26.1avgTransfers 2.0avg
The day in figurespeaks, averages, totals
Peak demand34.3GW · 12:25
Low 18.9 · 04:00Avg 28.10–40 GW
Made in Great Britain93%of demand
Generation 26.1Transfers 2.0 GW
Net imports55GWh
In
88 Out
32
Zero-carbon share63%of generation
Nuclear 14%Hydro 0%Wind 37%Solar 12%

Transfers · Mon 15 May

Interconnectors and storage

On Monday 15 May 2023, Great Britain imported 88 GWh and exported 32 GWh through its interconnectors. The most came from France (53 GWh), and the most exports went to Ireland (17 GWh).

All interconnectors

Mon 15 May
Imported
88GWh
Exported
32GWh
Net in
55GWh
Average net flow
2.30GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.03GWExporting

In 4.6 GWhOut 5.4 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.19GWImporting

In 52.9 GWhOut 0.3 GWh

Ireland

Moyle · East–West · Greenlink

Average0.73GWExporting

In 0.0 GWhOut 17.4 GWh

Netherlands

BritNed

Average0.21GWExporting

In 4.4 GWhOut 9.4 GWh

Norway

North Sea Link

Average1.07GWImporting

In 25.7 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.25GWPumping

Generated 1.6 GWhPumped 7.6 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.