1. Wind
1.1. On-Shore
1.1.1. ScottishPower
1.1.2. Eurus Energy
1.1.3. Fred Olsen Renewables Ltd
1.1.4. Beaufort Wind Limited
1.1.5. SSE plc
1.1.6. Innogy
1.1.7. Falck Renewables
1.1.8. Airtricity
1.1.9. Peel Wind Power Ltd
1.1.10. HgCapital
1.1.11. E.ON Renewables
1.1.12. RES
1.1.13. First Wind Farm Holdings
1.1.14. RES-GEN
1.1.15. Centrica Renewable Energy Ltd
1.1.16. Ecotricity
1.1.17. EDF EN
1.1.18. Centrica
1.2. Off-Shore
1.2.1. London Array
1.2.2. SLP Energy
1.2.3. Talisman Energy
1.2.4. B9 Energy
1.2.5. Beatrice Wind Farm Project
1.2.6. E.ON UK Renewables
1.2.7. EDF Energy
1.2.8. Nordex UK Ltd
1.2.9. Npower Renewables
1.2.10. Kentish Flats Offshore Wind Farm
1.2.11. Siemens Windpower
2. Energy Providers
2.1. Bristol Energy
2.2. British Gas
2.3. Bulb
2.4. E.ON
2.5. Ecotricity
2.6. EDF Energy
2.7. Good Energy
2.8. Green Energy Uk
2.9. Npower
2.10. Octopus Energy
2.11. Outfox The Market
2.12. OVO Energy
2.13. Scottish Power
2.14. SSE
2.15. Tonik
3. Biomass
3.1. Sites (production)
3.1.1. Dalkia Bioenergy, subsidiary of Veolia Enviornment
3.1.2. Gaia Power
3.1.3. Helius Energy
3.1.4. Lateral Power
3.1.5. MGT Power
3.1.6. Morgan Credit Energy
3.1.7. Norwich Power House
3.1.8. Orthios Energy Parks
3.1.9. Peel Energy
3.1.10. Pentland Biomass
3.1.11. Real Ventures Ltd
3.1.12. Scottish Biofuel Ltd/Infinis
3.1.13. Templeborough Power Plant
3.1.14. Welsh Power/Banco Santander
4. Solar
4.1. Solar Panels
4.1.1. LG
4.1.2. Panasonic
4.1.3. Canadian Solar
4.1.4. Sharp
4.1.5. SolarWorld
4.1.6. Yingli Solar
4.2. Solar Farms
4.2.1. Lightsource
4.2.2. Hive energy
4.2.3. Kronos Solar
4.2.4. Vogt Solar
4.2.5. Lark Energy
4.2.6. British Solar Renewables
4.2.7. Solarcentury
4.2.8. INRG Solar
4.2.9. Inazin Power
4.2.10. TGC Renewables
5. Hydro
5.1. Hydro plant operators
5.1.1. First Hydro Company
5.1.2. Drax Group
5.1.3. Scottish & Southern Energy plc.
5.1.4. Scottish & Southern Energy plc
5.1.5. SSE Generation Ltd
5.1.6. Alcan Primary Metals - Europe
5.1.7. Statkraft
5.1.8. Nuclear Decommissioning Authority
5.1.9. SSE - Generation Ltd
5.1.10. Alcan Primary Metal - Europe
5.1.11. Conwy Road
5.1.12. Scottish Power
5.1.13. Stratkraft
5.1.14. Hydro Plan (for Alcan)
5.1.15. SSE Generation
5.1.16. Npower Renewables
6. Marine
6.1. Tidal Developers
6.1.1. Atlantis Resources Corp
6.1.2. Current2Current
6.1.3. EC-OG
6.1.4. Flex Marine Power Ltd
6.1.5. Free Flow 69
6.1.6. Hales Water Turbines Ltd
6.1.7. Kepler Energy
6.1.8. Lunar Energy
6.1.9. Marine Current Turbines
6.1.10. Nautricity Ltd
6.1.11. Nova Innovation Ltd
6.1.12. Ocean Flow Energy
6.1.13. Renewable Devices Marine Ltd
6.1.14. Repetitive Energy Company
6.1.15. SeaPower Gen
6.1.16. SMD Hydrovision
6.1.17. Suanders Energy Ltd
6.1.18. Sustainable Marine Energy (SME)
6.1.19. Tidal Energy Ltd
6.1.20. TidalStream Limited
6.1.21. Inyanga-Tech
6.2. Wave Developers
6.2.1. Aimmer UK
6.2.2. AlbaTERN Ltd
6.2.3. Aqua Power Technologies Ltd
6.2.4. AWS Ocean Energy
6.2.5. Caley Ocean Systems
6.2.6. Checkmate Seaenergy UK Ltd
6.2.7. Dartmouth Wave Energy
6.2.8. Ecotricity
6.2.9. Greenheat Systems Ltd
6.2.10. Limerick Wave Ltd
6.2.11. M4Wave Power
6.2.12. Marine Power Systems Ltd
6.2.13. Mocean Energy
6.2.14. Neptune Renewable Energy Ltd
6.2.15. Offshore Wave Energy Ltd (OWEL)
6.2.16. ORECon
6.2.17. PAULEY (Phil Pauley Innovation)
6.2.18. Polygen Ltd
6.2.19. Sea Wave Energy Ltd (SWEL)
6.2.20. Seatricity
6.2.21. SEEWEC Consortium
6.2.22. Snapper Consortium
6.2.23. The Bobber Company Ltd
6.2.24. Trident Energy Ltd
6.2.25. Wave-tricity
6.2.26. WITT Ltd
7. Non-renewable
7.1. Fossil Fuels
7.1.1. British Gas (also uses Scottish Gas and Nwy Prydain brands) (parent company Centrica)
7.1.2. EDF Energy (parent of London Energy, SEEboard Energy, and SWEB Energy)
7.1.3. npower (parent company RWE)
7.1.4. Powergen Retail (parent Company E.ON)
7.1.5. Scottish & Southern Energy plc (parent of Scottish Hydro, Southern Electric and Swalec)
7.1.6. Scottish Power
7.1.7. Total Gas and Power
7.1.8. Niccolo
7.1.9. Bulb
7.1.10. Ovo Energy
7.1.11. British Natural Gas (known as HM British Natural Gas Ltd)
7.2. Nuclear (Plants - due to be closed between 2023-2035) (All owned by EDF)
7.2.1. Dungeness B
7.2.2. Hinkley Point B
7.2.3. Hunterston B
7.2.4. Hartlepool
7.2.5. Heysham 1
7.2.6. Heysham 2
7.2.7. Torness
7.2.8. Sizewell B
7.3. Oil & Gas
7.3.1. Centrica
7.3.2. BP
7.3.3. Tullow Oil
7.3.4. Carbon Clean Solutions
7.3.5. OilX