Electricity Live

Great Britain’s electricity on Saturday 30 August 2025

On Saturday 30 August, demand averaged 25.5 GW. Renewables supplied 52%.

25.5GW AVERAGEWind11.81 GW43%Hydro0.17 GW1%Biomass1.72 GW6%Solar2.02 GW7%Gas3.65 GW13%Imports4.15 GW15%Nuclear3.67 GW13%25.5GW AVERAGE43%7%13%15%13%
Price
£43.76/MWh
Day average £43.76
Demand25.5GW
Generation 23.0Transfers 2.5
Fossil fuels13%
Renewables52%
Other35%
Carbon intensityLow
84g/kWh
0Day average 84300
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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 30 August 2025, wind supplied 43% of Great Britain’s electricity and nuclear 13%. Demand peaked at 30.8 GW at 12:20. Carbon intensity averaged 84 g/kWh and the price £43.76/MWh. Wind generation peaked at 20.4 GW at 18:15. Solar generation peaked at 7.5 GW at 10:30. Carbon intensity was lowest at 15:30 (40 g/kWh) and highest at 06:30 (144 g/kWh). The wholesale price ranged from −£8.75/MWh at 23:30 to £90.93/MWh at 06:30. The price was below zero for 1.5 hours. Wind made 51% 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 2.027.4%Wind 11.8143.4%Gas 3.6513.4%Hydro 0.170.6%Biomass 1.726.3%Nuclear 3.6713.5%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 25.5avgGeneration 23.0avgTransfers 2.5avg
The day in figurespeaks, averages, totals
Peak demand30.8GW · 12:20
Low 19.2 · 06:05Avg 25.50–40 GW
Made in Great Britain90%of demand
Generation 23.0Transfers 2.5 GW
Net imports62GWh
In
100 Out
38
Zero-carbon share77%of generation
Nuclear 16%Hydro 1%Wind 51%Solar 9%

Transfers · Sat 30 Aug

Interconnectors and storage

On Saturday 30 August 2025, Great Britain imported 100 GWh and exported 38 GWh through its interconnectors. The most came from France (71 GWh), and the most exports went to Denmark (11 GWh).

All interconnectors

Sat 30 Aug
Imported
100GWh
Exported
38GWh
Net in
62GWh
Average net flow
2.58GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.12GWImporting

In 10.2 GWhOut 7.3 GWh

Denmark

Viking Link

Average0.14GWExporting

In 7.1 GWhOut 10.5 GWh

France

IFA · IFA2 · ElecLink

Average2.94GWImporting

In 70.7 GWhOut 0.1 GWh

Ireland

Moyle · East–West · Greenlink

Average0.26GWExporting

In 3.8 GWhOut 10.0 GWh

Netherlands

BritNed

Average0.08GWExporting

In 7.8 GWhOut 9.7 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.12GWPumping

Generated 0.1 GWhPumped 3.0 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.