Representative clients of Regulation UnFettered include:

Accenture Accenture Sweden Alliant Energy Ameren Ameritech (now SBC/AT&T) Aquila Arizona Public Service Baltimore Gas & Electric Carlyle Group Central Vermont Public Service Cincinnati Gas & Electric Cinergy City of Tallahassee Commonwealth Edison Con Edison Delmarva Power & Light DTE Energy Duke Energy Carolinas Duke Energy Indiana Dynegy Edison Electric Institute Empire District Electric Energy East Entergy Arkansas Entergy Gulf States Entergy Louisiana Entergy New Orleans Fitch Ratings Florida Municipal Power Agency Georgia Power Goldman Sachs Great Plains Energy

Hawaiian Electric Co. Iberdrola S.A. Indiana Energy Assn JEA Kansas City Power & Light Kinder Morgan Kohlberg Kravis & Roberts Macquarie Securities Maine Public Advocate Maine Public Utilities Commission Nevada Power NYNEX (now Verizon) OG&E Shareholders Association Pacific Gas & Electric Potomac Electric Power Progress Energy Florida PSI Energy Public Service Co New Mexico Reedy Creek Improvement Dist. Savannah Electric Sierra Pacific Power Sierra Pacific Resources Southern Company Southwest Gas Texas Pacific Group TXU Union Light, Heat and Power Vanguard Vectren Vermont Dept. of Public Service Vermont Public Service Board Weatherwise USA