Electricity Live

Great Britain’s electricity on Saturday 4 August 2018

On Saturday 4 August, demand averaged 27.7 GW. Renewables supplied 20%.

27.7GW AVERAGEWind2.81 GW10%Hydro0.21 GW1%Biomass1.02 GW4%Solar2.61 GW9%Gas10.52 GW37%Imports3.05 GW11%Nuclear7.93 GW28%27.7GW AVERAGE10%9%37%11%28%
Price
£57.89/MWh
Day average £57.89
Demand27.7GW
Generation 25.1Transfers 2.6
Fossil fuels37%
Renewables20%
Other43%
Carbon intensityModerate
217g/kWh
0Day average 217300
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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 4 August 2018, gas supplied 37% of Great Britain’s electricity and nuclear 28%. Demand peaked at 33.1 GW at 12:00. Carbon intensity averaged 217 g/kWh and the price £57.89/MWh. Wind generation peaked at 4.5 GW at 14:40. Solar generation peaked at 7.5 GW at 13:00. Carbon intensity was lowest at 14:00 (182 g/kWh) and highest at 03:00 (235 g/kWh). The wholesale price ranged from £40.46/MWh at 14:30 to £73.72/MWh at 10:00. Gas made 42% of the electricity generated in Great Britain, compared with 42% across 2018.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 2.619.3%Wind 2.8110.0%Gas 10.5237.4%Hydro 0.210.7%Biomass 1.023.6%Nuclear 7.9328.2%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 27.7avgGeneration 25.1avgTransfers 2.6avg
The day in figurespeaks, averages, totals
Peak demand33.1GW · 12:00
Low 20.8 · 05:30Avg 27.70–40 GW
Made in Great Britain91%of demand
Generation 25.1Transfers 2.6 GW
Net imports66GWh
In
69 Out
3
Zero-carbon share54%of generation
Nuclear 32%Hydro 1%Wind 11%Solar 10%

Transfers · Sat 4 Aug

Interconnectors and storage

On Saturday 4 August 2018, Great Britain imported 69 GWh and exported 3 GWh through its interconnectors. The most came from France (43 GWh), and the most exports went to Ireland (3 GWh).

All interconnectors

Sat 4 Aug
Imported
69GWh
Exported
3GWh
Net in
66GWh
Average net flow
2.76GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.78GWImporting

In 42.8 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.15GWImporting

In 6.5 GWhOut 2.9 GWh

Netherlands

BritNed

Average0.82GWImporting

In 19.7 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.19GWPumping

Generated 4.2 GWhPumped 8.8 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.