UK Electricity National Grid Demand and Output per Production Type

last update 2019-04-21 16:05:00 GMT

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UK Demand
28.074 GW
50.010 Hz
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Renewable %
10.985 GW
39.13 %
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Coal
0 GW
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Nuclear
6.222 GW
22.2%
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Solar
5.05 GW
18%
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Wind
4.636 GW
16.5%
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CCGT
9.248 GW
32.9%
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Biomass
1.112 GW
4%
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Hydro
0.187 GW :0.7%
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Pumped
0 GW
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Oil
0 GW
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OCGT
0 GW
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Other
0.041 GW :0.1%
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IC France
0.657 GW
2.9%
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IC Ned
-0.266 GW
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IC Irl
0.152 GW
0.7%
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IC Ew
0.178 GW
0.8%
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IC Nem
0.591 GW
2.6%
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minimum : 19.771 GW maximum : 23.024 GW average : 21.35 GW
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minimum : 21.586 GW maximum : 29.336 GW average : 24.663 GW
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minimum : 19.771 GW maximum : 40.707 GW average : 30.283 GW
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minimum : 21.676 GW maximum : 43.812 GW average : 31.749 GW
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minimum : 2.961 GW maximum : 48.813 GW average : 33.537 GW
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key:

renew : Renewable - This is the percent of the energy produced from renewable (wind + solar + hydroelectric + biomass)

UK demand : UK Demand - This is the total UK demand for electricity. This now includes solar power but does not include unmetered sources such Small Generation wind power.

Coal : Coal Power Stations - These stations burn coal to produce heat.This is used to heat water to produce steam which turns a steam turbine which drives a generator to produce electricity. There are currently 16 Coal power stations in the UK. The current Governments plan is to shutdown all coal stations by 2025.

Nuclear : Nuclear Power Stations - These stations use a Uranium nuclear reaction to produce heat. This is used to heat water to produce steam which turns a steam turbine which drives a generator to produce electricity. The output from these is more constant than other power generation. Fluctations usually indicate maintenance, refuelling or problems. There are currently 10 Nuclear power stations in the UK.

Solar : Solar Power - There is no central recording of Solar Generation. This figure is an estimated figure which comes from Sheffield University. This value is now included in the total UK demand figure

Wind : Wind Power - This is the power from Wind Farms and does not include unmetered wind turbines. The output from this fluctuates with the wind. There are currently over 6500 wind turbines in wind farms.

CCGT : Combined Cycle Gas Turbine - These use Natural Gas to power a Turbine which turns a Generator. A second system uses the heat to produce steam which is used to turn a turbine which powers a generator. There are 33 CCGT power stations in the UK.

Hydro : Hydroelectric - There are approximately 200 Hydroelectric stations in the UK. Most are situated in the Scottish and Welsh Mountain areas.

Oil : Oil Power Stations - These stations burn oil to produce heat. This is used to heat water to produce steam which turns a steam turbine which drives a generator to produce electricity. Virtually all Oil stations have been decommissioned with just a small reserve remaining.

Biomass : Biomass - Includes the burning of Wood, Food Residues and straw. This was included in 'other' before the 1/11/2017

Pumped : Pumped Storage Hydroelectric - Pumped storage incorporates two reservoirs. At times of low demand, generally at night, electricity is used to pump water from the lower to the upper basin. This water is then released to create power at a time when demand, and therefore price, is high. There are currently 4 pumped storage stations in the UK.

OCGT : Open Cycle Gas Turbine - These use Natural Gas to power a Turbine which powers a Generator. These are expensive to run so are only used when necessary. There is currently 1 of these in the UK.

Other : Other -

Interconnectors : Interconnectors - When positive the UK is importing and when negative the UK is exporting power.

IC France : Interconnector to France - This is a link between between Folkestone (UK) and Sangatte (France). The 73 kilometres (45 mi) link is arranged as two fully independent 1,000 MW Bipoles, each operated at a DC voltage of ±270 kV. Cables are laid in pairs in four trenches so that the magnetic fields generated by the two conductors are largely cancelled. The landside parts of the link consist of 8 cables with lengths of 18.5 kilometres (11.5 mi) in England, and 6.35 kilometres (3.95 mi) in France.

IC Ned : Interconnector to Netherlands - This is a link between Kent(UK) and Rotterdam (Netherlands). The 260 kilometre (160 mi) long bi-pole ±450 kV link consists of two HVDC cables, which are bundled together. The capacity of the cable is 1000 MW. The interconnector has two converter stations for connecting the link with the British and Dutch high-voltage electricity transmission systems.

IC Irl : Moyle Interconnector - This is a link between South Ayrshire in Scotland and County Antrim in Northern Ireland. It consists of two monopolar ±250 kV DC cables with a transmission capacity of 250 MW each.

IC Ew : East West Interconnector - The link connects converter stations at Rush North Beach, County Dublin, Ireland, and Barkby Beach in North Wales. The 261 kilometres (162 mi) interconnection uses ±200 kV HVDC Light cables with a capacity of 500 MW.