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The data supporting the table below and the % values are sourced from a mixture of industry settlement data and the UK government renewable obligation database.
LOW-CARBON GENERATION SUMMARY BY COMPANY
2018
2018
Supplier name
Low-carbon
GWh of low-carbon electricity generation
% of overall low-carbon electricity generation
EDF ENERGY
Low-carbon
45,517
35%
CENTRICA
Low-carbon
11,820
9%
RWE
Low-carbon
2,928
2%
E.on
Low-carbon
2,818
2%
SSE
Low-carbon
6,131
5%
SCOTTISH POWER
Low-carbon
2,855
2%
DRAX
Low-carbon
7,818
6%
ENGIE
Low-carbon
166
0%
OTHER
Low-carbon
52,727
39%
TOTAL
Low-carbon
134,780
100%
Using the latest available data would put EDF Energy's % of low carbon generation at 35%, with Other at 39%. The 39% of Other can itself be broken down into many different owners, the top ten by share of the Other owners and their percentage share of that 39% is below:
DONG Energy RB (UK) Ltd
5.90%
Vattenfall Wind Power Ltd
3.36%
Morecambe Wind Limited
2.91%
Fred Olsen Renewables Ltd
2.59%
Walney (UK) Offshore Windfarms Ltd
2.59%
Clyde Windfarm (Scotland) Limited
2.44%
Galloper Wind Farm Limited
2.42%
Octopus Investments Limited
2.37%
Foresight Group LLP
1.97%
Falck Renewables Ltd
1.86%
DONG Energy alone accounted for 2.3% of all low-carbon generation in 2018 (38% x 5.9%), with Vattenfall a further 1.3%, and Fred Olsen 1.0%. Removing DONG, Vattenfall and Fred Olsen would leave Other at 34.4%, which itself is still made up of many smaller, independent generators with split ownership. It is, therefore, the case that EDF was the single largest generator of low-carbon electricity in 2018.
The low-carbon electricity that we buy for Residential, Blue or Renewable tariffs and products is supplied into the National Grid. Customers receive that electricity through the National Grid, not directly from low-carbon generators.
