- National Assoc. of Regulatory Utility Commissioners (NARUC)
- National Assoc. of State Energy Officials (NASEO)
- National Assoc. of State Utility Consumer Advocates (NASUCA)
- National Regulatory Research Institute (NRRI)
- National Safety Council - Utilities Division
- Natural Resources Defense Council
- Public Citizen
- Public Utility Law Project, New York
- Utility Regulation.com