Electricity Live

Great Britain’s electricity on Saturday 30 December 2017

On Saturday 30 December, demand averaged 33.5 GW. Renewables supplied 27%.

33.5GW AVERAGEWind8.36 GW25%Hydro0.44 GW1%Biomass0.75 GW2%Solar0.26 GW1%Gas11.82 GW35%Coal1.27 GW4%Imports3.64 GW11%Nuclear7.57 GW22%33.5GW AVERAGE25%35%11%22%
Price
£55.42/MWh
Day average £55.42
Demand33.5GW
Generation 30.5Transfers 3.1
Fossil fuels35%
Renewables27%
Other35%
Carbon intensityModerate
223g/kWh
0Day average 223300
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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 December 2017, gas supplied 35% of Great Britain’s electricity and wind 25%. Demand peaked at 42.2 GW at 17:25. Carbon intensity averaged 223 g/kWh and the price £55.42/MWh. Wind generation peaked at 12.6 GW at 14:55. Solar generation peaked at 1.6 GW at 11:00. Carbon intensity was lowest at 14:30 (175 g/kWh) and highest at 01:00 (255 g/kWh). The wholesale price ranged from £44.23/MWh at 07:00 to £69.02/MWh at 18:00. Gas made 39% of the electricity generated in Great Britain, compared with 43% across 2017.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.260.8%Wind 8.3624.5%Gas 11.8234.6%Hydro 0.441.3%Biomass 0.752.2%Nuclear 7.5722.2%Coal 1.273.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 33.5avgGeneration 30.5avgTransfers 3.1avg
The day in figurespeaks, averages, totals
Peak demand42.2GW · 17:25
Low 25.5 · 04:55Avg 33.50–60 GW
Made in Great Britain91%of demand
Generation 30.5Transfers 3.1 GW
Net imports75GWh
In
78 Out
3
Zero-carbon share55%of generation
Nuclear 25%Hydro 1%Wind 27%Solar 1%

Transfers · Sat 30 Dec

Interconnectors and storage

On Saturday 30 December 2017, Great Britain imported 78 GWh and exported 3 GWh through its interconnectors. The most came from France (46 GWh), and the most exports went to Ireland (3 GWh).

All interconnectors

Sat 30 Dec
Imported
78GWh
Exported
3GWh
Net in
75GWh
Average net flow
3.13GW 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

Average1.92GWImporting

In 46.1 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.24GWImporting

In 8.7 GWhOut 2.9 GWh

Netherlands

BritNed

Average0.97GWImporting

In 23.2 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.06GWPumping

Generated 9.4 GWhPumped 10.8 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.