Electricity Live

Great Britain’s electricity on Tuesday 18 February 2025

On Tuesday 18 February, demand averaged 38.0 GW. Renewables supplied 43%.

38.0GW AVERAGEWind14.80 GW37%Hydro0.27 GW1%Biomass2.91 GW7%Solar1.82 GW5%Gas12.00 GW30%Imports3.45 GW9%Nuclear4.48 GW11%38.0GW AVERAGE37%7%30%9%11%
Price
£99.81/MWh
Day average £99.81
Demand38.0GW
Generation 36.3Transfers 1.8
Fossil fuels30%
Renewables43%
Other27%
Carbon intensityModerate
136g/kWh
0Day average 136300
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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 February 2025, wind supplied 37% of Great Britain’s electricity and gas 30%. Demand peaked at 45.5 GW at 10:00. Carbon intensity averaged 136 g/kWh and the price £99.81/MWh. Wind generation peaked at 18.4 GW at 20:50. Solar generation peaked at 7.9 GW at 12:00. Carbon intensity was lowest at 23:00 (71 g/kWh) and highest at 06:00 (181 g/kWh). The wholesale price ranged from £63.65/MWh at 23:30 to £151.09/MWh at 07:30. Wind made 41% of the electricity generated in Great Britain, compared with 35% across 2025.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 1.824.6%Wind 14.8037.2%Gas 12.0030.2%Hydro 0.270.7%Biomass 2.917.3%Nuclear 4.4811.3%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 38.0avgGeneration 36.3avgTransfers 1.8avg
The day in figurespeaks, averages, totals
Peak demand45.5GW · 10:00
Low 28.2 · 04:00Avg 38.00–60 GW
Made in Great Britain95%of demand
Generation 36.3Transfers 1.8 GW
Net imports44GWh
In
78 Out
33
Zero-carbon share59%of generation
Nuclear 12%Hydro 1%Wind 41%Solar 5%

Transfers · Tue 18 Feb

Interconnectors and storage

On Tuesday 18 February 2025, Great Britain imported 78 GWh and exported 33 GWh through its interconnectors. The most came from France (27 GWh), and the most exports went to Denmark (11 GWh).

All interconnectors

Tue 18 Feb
Imported
78GWh
Exported
33GWh
Net in
44GWh
Average net flow
1.84GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.03GWExporting

In 4.9 GWhOut 5.7 GWh

Denmark

Viking Link

Average0.23GWExporting

In 5.1 GWhOut 10.7 GWh

France

IFA · IFA2 · ElecLink

Average0.82GWImporting

In 26.8 GWhOut 7.2 GWh

Ireland

Moyle · East–West · Greenlink

Average0.14GWImporting

In 6.8 GWhOut 3.5 GWh

Netherlands

BritNed

Average0.08GWImporting

In 8.0 GWhOut 6.2 GWh

Norway

North Sea Link

Average1.08GWImporting

In 26.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.09GWPumping

Generated 5.2 GWhPumped 7.2 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.