Electricity Live

Great Britain’s electricity on Tuesday 18 April 2023

On Tuesday 18 April, demand averaged 30.6 GW. Renewables supplied 41%.

30.6GW AVERAGEWind9.86 GW31%Hydro0.36 GW1%Biomass2.15 GW7%Solar2.65 GW8%Gas9.04 GW29%Imports3.20 GW10%Nuclear4.15 GW13%30.6GW AVERAGE31%8%29%10%13%
Price
£107.73/MWh
Day average £107.73
Demand30.6GW
Generation 28.2Transfers 2.4
Fossil fuels29%
Renewables41%
Other30%
Carbon intensityModerate
141g/kWh
0Day average 141300
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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 18 April 2023, wind supplied 31% of Great Britain’s electricity and gas 29%. Demand peaked at 36.4 GW at 12:40. Carbon intensity averaged 141 g/kWh and the price £107.73/MWh. Wind generation peaked at 13.4 GW at 17:15. Solar generation peaked at 8.9 GW at 12:30. Carbon intensity was lowest at 23:30 (78 g/kWh) and highest at 05:30 (193 g/kWh). The wholesale price ranged from £81.96/MWh at 23:30 to £137.36/MWh at 06:30. Wind made 35% 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 2.658.5%Wind 9.8631.4%Gas 9.0428.8%Hydro 0.361.1%Biomass 2.156.8%Nuclear 4.1513.2%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 30.6avgGeneration 28.2avgTransfers 2.4avg
The day in figurespeaks, averages, totals
Peak demand36.4GW · 12:40
Low 22.0 · 04:15Avg 30.60–40 GW
Made in Great Britain92%of demand
Generation 28.2Transfers 2.4 GW
Net imports61GWh
In
75 Out
14
Zero-carbon share60%of generation
Nuclear 15%Hydro 1%Wind 35%Solar 9%

Transfers · Tue 18 Apr

Interconnectors and storage

On Tuesday 18 April 2023, Great Britain imported 75 GWh and exported 14 GWh through its interconnectors. The most came from Norway (24 GWh), and the most exports went to Ireland (9 GWh).

All interconnectors

Tue 18 Apr
Imported
75GWh
Exported
14GWh
Net in
61GWh
Average net flow
2.53GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.36GWImporting

In 9.3 GWhOut 0.8 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.78GWImporting

In 22.3 GWhOut 3.7 GWh

Ireland

Moyle · East–West · Greenlink

Average0.38GWExporting

In 0.2 GWhOut 9.3 GWh

Netherlands

BritNed

Average0.77GWImporting

In 18.4 GWhOut 0.0 GWh

Norway

North Sea Link

Average1.01GWImporting

In 24.3 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.13GWPumping

Generated 2.3 GWhPumped 5.4 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.