Exhibit 99.3

Towers Watson Energy Services Executive Survey participants:

Acciona	Entergy	Pacific Gas & Electric
AGL Resources	EQT Corporation	Pepco Holding
Allete	ERCOT	Pinnacle West Capital
Alliant Energy	Exelon	PJM Interconnection
Ameren	FirstEnergy	PNM Resources
American Electric Power	First Solar	Portland General Electric
Areva	GenOn Energy	PPL
ATC Management	Hawaiian Electric	Progress Energy
Avista	Iberdrola Renewables	Proliance Holdings
BG US Services	IDACORP	Public Service Enterprise Group
Black Hills Power and Light	Integrys Energy Group	Puget Energy
California Independent System	IPR – GDF SUEZ North America	Regency Energy Partners LP
Calpine	ISO New England	Salt River Project
CenterPoint Energy	Kinder Morgan	Santee Cooper
CH Energy Group	LES	SCANA
Cleco	LG&E and KU Energy Services	SemGroup
CMS Energy	Lower Colorado River Authority	Sempra Energy
Colorado Springs Utilities	McDermott	Southern Company Services
Consolidated Edison	MDU Resources	Southern Union Company
Constellation Energy	MGE Energy	Southwest Power Pool
Covanta Holdings	MidAmerican Holdings	Spectra Energy
	Midwest Independent Transmission	STP Nuclear Operating
CPS Energy	New York Independent System Operator	System Operator
Crosstex Energy	New York Power Authority	TECO Energy
DCP Midstream	NextEra Energy	Tennessee Valley Authority
Dominion Resources	Nicor	Trans Bay Cable
DPL	Northeast Utilities	TransCanada
DTE Energy	NorthWestern Energy	UIL Holdings
Duke Energy	NRG Energy	UniSource Energy
Edison International	NSTAR	Unitil
EDP Renewables North America LLC	Nuscale Power	Vectren
El Paso Corporation	NV Energy	Westar Energy
El Paso Electric	NW Natural	Westinghouse Electric
Enbridge Energy	OGE Energy	Williams Companies
Energen	Oglethorpe Power	Wisconsin Energy
Energy Future Holdings	Omaha Public Power	Wolf Creek Nuclear
Energy Northwest	Operator	Xcel