Exhibit 99
Towers Watson Energy Services Survey participants:
AEI Services | Energy Future Holdings | Pepco Holdings | ||
Allegheny Energy | Energy Northwest | Pinnacle West Capital | ||
Allete | Entergy | PJM Interconnection | ||
Alliant Energy | E.ON U.S. | PNM Resources | ||
Ameren | EPCO | Portland General Electric | ||
American Electric Power | ERCOT | PPL | ||
Areva | Exelon | Progress Energy | ||
ATC Management | FirstEnergy | Proliance Holdings | ||
Atmos Energy | First Solar | Public Service Enterprise Group | ||
Avista | FPL Group | Puget Energy | ||
BG US Services | GDF SUEZ Energy North America | Regency Energy Partners LP | ||
Black Hills Power and Light | Hawaiian Electric | RRI Energy | ||
California Independent System Operator | IDACORP | Salt River Project | ||
Calpine | Integrys Energy Group | Santee Cooper | ||
CenterPoint Energy | ISO New England | SCANA | ||
CH Energy Group | Kinder Morgan | Sempra Energy | ||
Cleco | LES | Southern Company Services | ||
CMS Energy | Lower Colorado River Authority | Southern Maryland Electric Cooperative | ||
Colorado Springs Utilities | MDU Resources | Southern Union Company | ||
Midwest Independent | ||||
Consolidated Edison | Transmission System Operator | Southwest Power Pool | ||
Constellation Energy | Mirant | Spectra Energy | ||
New York Independent | ||||
Covanta Holdings | System Operator | STP Nuclear Operating | ||
CPS Energy | New York Power Authority | Targa Resources | ||
DCP Midstream | Nicor | Tennessee Valley Authority | ||
Direct Energy | Northeast Utilities | TransCanada | ||
Dominion Resources | NorthWestern Energy | UIL Holdings | ||
DPL | NRG Energy | UniSource Energy | ||
DTE Energy | NSTAR | Unitil | ||
Duke Energy | NV Energy | Vectren | ||
Edison International | NW Natural | Westar Energy | ||
Electric Power Research Institute | OGE Energy | Westinghouse Electric | ||
El Paso Corporation | Oglethorpe Power | Wisconsin Energy | ||
Enbridge Energy | Omaha Public Power | Wolf Creek Nuclear | ||
Energen | Pacific Gas & Electric | Xcel Energy |