Electricity Live

Great Britain’s electricity on Tuesday 29 April 2025

On Tuesday 29 April, demand averaged 28.3 GW. Renewables supplied 23%.

28.3GW AVERAGEWind2.29 GW8%Hydro0.17 GW1%Biomass2.97 GW10%Solar4.44 GW15%Gas11.43 GW38%Imports5.20 GW18%Nuclear3.18 GW11%28.3GW AVERAGE8%10%15%38%18%11%
Price
£85.65/MWh
Day average £85.65
Demand28.3GW
Generation 24.5Transfers 3.9
Fossil fuels38%
Renewables23%
Other38%
Carbon intensityHigh
186g/kWh
0Day average 186300
Save as image
Recorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hour

Records set on this day

All records

Key moments

On Tuesday 29 April 2025, gas supplied 38% of Great Britain’s electricity and solar 15%. Demand peaked at 33.8 GW at 12:00. Carbon intensity averaged 186 g/kWh and the price £85.65/MWh. Wind generation peaked at 3.3 GW at 18:20. Solar generation peaked at 13.5 GW at 13:00. Carbon intensity was lowest at 13:30 (101 g/kWh) and highest at 20:30 (243 g/kWh). The wholesale price ranged from £64.34/MWh at 11:30 to £113.33/MWh at 18:00. Gas made 47% 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 4.4415.0%Wind 2.297.7%Gas 11.4338.5%Hydro 0.170.6%Biomass 2.9710.0%Nuclear 3.1810.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.3avgGeneration 24.5avgTransfers 3.9avg
The day in figurespeaks, averages, totals
Peak demand33.8GW · 12:00
Low 20.9 · 05:00Avg 28.30–40 GW
Made in Great Britain86%of demand
Generation 24.5Transfers 3.9 GW
Net imports91GWh
In
123 Out
32
Zero-carbon share41%of generation
Nuclear 13%Hydro 1%Wind 9%Solar 18%

Transfers · Tue 29 Apr

Interconnectors and storage

On Tuesday 29 April 2025, Great Britain imported 123 GWh and exported 32 GWh through its interconnectors. The most came from France (58 GWh), and the most exports went to Ireland (21 GWh).

All interconnectors

Tue 29 Apr
Imported
123GWh
Exported
32GWh
Net in
91GWh
Average net flow
3.79GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.29GWImporting

In 9.4 GWhOut 2.4 GWh

Denmark

Viking Link

Average0.22GWImporting

In 10.7 GWhOut 5.4 GWh

France

IFA · IFA2 · ElecLink

Average2.41GWImporting

In 57.9 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.88GWExporting

In 0.0 GWhOut 21.1 GWh

Netherlands

BritNed

Average0.35GWImporting

In 11.9 GWhOut 3.4 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.06GWGenerating

Generated 1.4 GWhPumped 0.1 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.