- AES
- AGL Energy
- Alliant Energy Corporation
- Ameren Corp
- American Electric Power
- Chugoku Electric Power Co Inc
- CLP Holdings Limited
- DTE Energy Co
- Electric Power Development
- Evergy Inc
- FirstEnergy
- HK Electric Investments
- Kyushu Electric Power
- Nisource
- OGE Energy Corp
- Origin Energy Ltd
- PPL Corp
- RWE AG & Vorzug
- South32 Ltd
- Tohoku Electric Power
- Washington H Soul Pattinson & Co Ltd
- WEC Energy Group
- VISTRA ENERGY
- Xcel Energy