Electricity Live

Great Britain’s electricity on Wednesday 28 April 2021

On Wednesday 28 April, demand averaged 32.6 GW. Renewables supplied 30%.

32.6GW AVERAGEWind8.24 GW25%Hydro0.26 GW1%Biomass1.68 GW5%Solar1.40 GW4%Gas14.26 GW43%Imports2.70 GW8%Nuclear4.70 GW14%32.6GW AVERAGE25%43%8%14%
Price
—/MWh
Demand32.6GW
Generation 30.5Transfers 2.1
Fossil fuels43%
Renewables30%
Other27%
Carbon intensityModerate
182g/kWh
0Day average 182300
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Recorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hour

Key moments

On Wednesday 28 April 2021, gas supplied 43% of Great Britain’s electricity and wind 25%. Demand peaked at 38.6 GW at 17:55. Carbon intensity averaged 182 g/kWh. Wind generation peaked at 10.1 GW at 09:40. Solar generation peaked at 4.1 GW at 14:00. Carbon intensity was lowest at 00:30 (155 g/kWh) and highest at 20:00 (210 g/kWh). Gas made 47% of the electricity generated in Great Britain, compared with 42% across 2021.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 1.404.2%Wind 8.2424.8%Gas 14.2642.9%Hydro 0.260.8%Biomass 1.685.0%Nuclear 4.7014.1%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 32.6avgGeneration 30.5avgTransfers 2.1avg
The day in figurespeaks, averages, totals
Peak demand38.6GW · 17:55
Low 23.2 · 04:25Avg 32.60–40 GW
Made in Great Britain94%of demand
Generation 30.5Transfers 2.1 GW
Net imports53GWh
In
61 Out
8
Zero-carbon share48%of generation
Nuclear 15%Hydro 1%Wind 27%Solar 5%

Transfers · Wed 28 Apr

Interconnectors and storage

On Wednesday 28 April 2021, Great Britain imported 61 GWh and exported 8 GWh through its interconnectors. The most came from France (36 GWh), and the most exports went to Ireland (7 GWh).

All interconnectors

Wed 28 Apr
Imported
61GWh
Exported
8GWh
Net in
53GWh
Average net flow
2.19GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.86GWImporting

In 20.7 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.47GWImporting

In 36.2 GWhOut 0.9 GWh

Ireland

Moyle · East–West · Greenlink

Average0.14GWExporting

In 3.6 GWhOut 7.0 GWh

Netherlands

BritNed

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.09GWPumping

Generated 4.3 GWhPumped 6.5 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.