1. Frazer-Nash Consultancy; Bristol United Kingdom
2. Frazer-Nash Consultancy; 5th Floor 8 Nelson Mandela Place G2 1BT Glasgow United Kingdom
3. The Carbon Trust; London United Kingdom
4. DONG Energy; Kraftvaerksvej 53 7000 Fredericia Denmark
5. DONG Energy; 33 Grosvenor Place SW1X 7HY London United Kingdom
6. E.ON; Malmo Sweden
7. SPR-Iberdrola; Madrid Spain
8. Mainstream Renewable Power; Dublin Ireland
9. Mainstream Renewable Power; London United Kingdom
10. RWE Innogy; Hamburg Germany
11. RWE Npower; Swindon United Kingdom
12. SSE Renewables; Bristol United Kingdom
13. SSE Renewables; Glasgow United Kingdom
14. Statkraft; Malmo Sweden
15. Statoil; Bergen Norway
16. Vattenfall; Edinburgh United Kingdom