Electricity Live

Great Britain’s electricity on Tuesday 17 June 2025

On Tuesday 17 June, demand averaged 28.5 GW. Renewables supplied 42%.

28.5GW AVERAGEWind8.65 GW28%Hydro0.22 GW1%Biomass2.78 GW9%Solar4.30 GW14%Gas5.58 GW18%Imports4.96 GW16%Nuclear4.73 GW15%28.5GW AVERAGE28%9%14%18%16%15%
Price
£74.07/MWh
Day average £74.07
Demand28.5GW
Generation 26.3Transfers 2.2
Fossil fuels18%
Renewables42%
Other40%
Carbon intensityLow
101g/kWh
0Day average 101300
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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 17 June 2025, wind supplied 28% of Great Britain’s electricity and gas 18%. Demand peaked at 34.8 GW at 12:05. Carbon intensity averaged 101 g/kWh and the price £74.07/MWh. Wind generation peaked at 12.0 GW at 00:00. Solar generation peaked at 12.5 GW at 13:00. Carbon intensity was lowest at 12:30 (50 g/kWh) and highest at 20:00 (181 g/kWh). The wholesale price ranged from £37.10/MWh at 14:30 to £122.20/MWh at 20:00. Wind made 33% 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 4.3013.8%Wind 8.6527.7%Gas 5.5817.9%Hydro 0.220.7%Biomass 2.788.9%Nuclear 4.7315.2%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.5avgGeneration 26.3avgTransfers 2.2avg
The day in figurespeaks, averages, totals
Peak demand34.8GW · 12:05
Low 20.2 · 04:35Avg 28.50–40 GW
Made in Great Britain92%of demand
Generation 26.3Transfers 2.2 GW
Net imports56GWh
In
117 Out
61
Zero-carbon share68%of generation
Nuclear 18%Hydro 1%Wind 33%Solar 16%

Transfers · Tue 17 Jun

Interconnectors and storage

On Tuesday 17 June 2025, Great Britain imported 117 GWh and exported 61 GWh through its interconnectors. The most came from France (55 GWh), and the most exports went to Ireland (26 GWh).

All interconnectors

Tue 17 Jun
Imported
117GWh
Exported
61GWh
Net in
56GWh
Average net flow
2.35GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.12GWExporting

In 9.3 GWhOut 12.2 GWh

Denmark

Viking Link

Average0.01GWImporting

In 10.4 GWhOut 10.2 GWh

France

IFA · IFA2 · ElecLink

Average2.29GWImporting

In 54.9 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average1.08GWExporting

In 0.0 GWhOut 25.9 GWh

Netherlands

BritNed

Average0.14GWExporting

In 9.2 GWhOut 12.5 GWh

Norway

North Sea Link

Average1.38GWImporting

In 33.2 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.11GWPumping

Generated 1.8 GWhPumped 4.4 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.