Electricity Live

Great Britain’s electricity on Saturday 16 August 2025

On Saturday 16 August, demand averaged 24.9 GW. Renewables supplied 26%.

24.9GW AVERAGEWind3.91 GW15%Hydro0.31 GW1%Biomass2.44 GW10%Solar2.33 GW9%Gas6.25 GW24%Imports7.43 GW29%Nuclear2.99 GW12%24.9GW AVERAGE15%10%9%24%29%12%
Price
£84.36/MWh
Day average £84.36
Demand24.9GW
Generation 18.2Transfers 6.6
Fossil fuels24%
Renewables26%
Other50%
Carbon intensityModerate
137g/kWh
0Day average 137300
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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 Saturday 16 August 2025, gas supplied 24% of Great Britain’s electricity and wind 15%. Demand peaked at 28.7 GW at 17:55. Carbon intensity averaged 137 g/kWh and the price £84.36/MWh. Wind generation peaked at 5.1 GW at 06:55. Solar generation peaked at 7.4 GW at 14:00. Carbon intensity was lowest at 13:00 (106 g/kWh) and highest at 20:00 (176 g/kWh). The wholesale price ranged from £69.31/MWh at 03:30 to £100.54/MWh at 18:00. Gas made 34% of the electricity generated in Great Britain, compared with 32% across 2025.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 2.339.1%Wind 3.9115.2%Gas 6.2524.4%Hydro 0.311.2%Biomass 2.449.5%Nuclear 2.9911.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 24.9avgGeneration 18.2avgTransfers 6.6avg
The day in figurespeaks, averages, totals
Peak demand28.7GW · 17:55
Low 19.8 · 05:40Avg 24.90–30 GW
Made in Great Britain73%of demand
Generation 18.2Transfers 6.6 GW
Net imports161GWh
In
177 Out
17
Zero-carbon share52%of generation
Nuclear 16%Hydro 2%Wind 21%Solar 13%

Transfers · Sat 16 Aug

Interconnectors and storage

On Saturday 16 August 2025, Great Britain imported 177 GWh and exported 17 GWh through its interconnectors. The most came from France (93 GWh), and the most exports went to Ireland (14 GWh).

All interconnectors

Sat 16 Aug
Imported
177GWh
Exported
17GWh
Net in
161GWh
Average net flow
6.70GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.66GWImporting

In 15.8 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.84GWImporting

In 20.2 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average3.87GWImporting

In 92.9 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.60GWExporting

In 0.0 GWhOut 14.5 GWh

Netherlands

BritNed

Average0.54GWImporting

In 15.3 GWhOut 2.2 GWh

Norway

North Sea Link

Average1.39GWImporting

In 33.3 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.05GWPumping

Generated 0.9 GWhPumped 2.1 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.