Roleva Energy has served the following clients over the past 7 years:

- The Energy Policy & Planning Office, Ministry of Energy, Royal Government of Thailand
- MidAmerican Energy Corporation (USA)
- Ritchie Capital Management (USA)
- J-Power (EPDC subsidiary, Thailand)
- GNPower Mariveles (Philippines)
- Glow Energy (Thailand)
- GDF Suez (Thailand)
- Stanford University, Program for Energy and Sustainable Development)
- PT Adaro (Indonesia)
- Salamander Energy (London/Singapore)
- Canadoil (Thailand)
- Sithe Global Power Venture LLC (USA)