SWPP
AECC Arkansas Electric Cooperative Corp.
AEMX Arkansas Electric Marketing, LLC
AEP American Electric Power
AETS Allegheny Energy Supply Co. LLC
AMEM Ameren Energy Markting Company
AMEM Ameren Energy, Inc.
AMSE Ameren Services Company
AMSI Aquila Merchant Services Inc.
APM Associated Electric Cooperative, Inc.
AVST Avista Energy, Inc.
BCAN Blue Canyon Windpower, LLC
BPEC BP Energy Co.
CAES ConAgra Trade Group, Inc.
CALP Calpine Energy Services L.P.
CCG Constellation Energy Commodities Group, Inc.
CITZ Citizens Power Sales
CLPM Cielo Power Market, LP
CMLP City of Coffeyville
CMWL Columbia Water and Light Department
CNCT Conectiv Energy Supply, Inc.
CONC ConocoPhillips Company
CORP Coral Power
CPMT Cinergy Services, Inc.
CPS Constellation Power Source, Inc.
CPWR Cleco Power LLC
CRGL Cargill Power Markets, LLC
CSWE Eastex Cogeneration Limited Partnership
CSWM Central and South West Services
CTM CLECO Corporation
CWEP Carthage Water & Electric Plant
CWL Jonesboro City Water & Light
DETM Duke Energy
DTET DTE Energy Trading
ECC Energy Clearinghouse Corporation
EDE Empire District Electric Co.
ENKO Entergy-Koch Trading, LP
ENTE Entergy Services Inc.
EPLU PPL EnergyPlus, LLC
EPME El Paso Marketing, LP
EPMI Enron Power Marketing
ETGX Energy Transfer Group
EXGN Exelon Generation Company, LLC
FISH Power Resource Group, Inc.
FPLP FPL Energy Power Marketing, Inc.
GRDX Grand River Dam Authority
GSEC Golden Spread Electric Coop., Inc.
HMU Higginsville Municipal Utilities
IGEN InterGen Services, Inc.
INDP City Power & Light Independence, MO
KBPU KC Board of Public Utilities
KCPS Kansas City Power & Light
KMEA Kansas Municipal Energy Agency
LEM LG&E Energy Marketing
LUS Lafayette Utilities System
MAEM Mirant Americas Energy Marketing, LP
MECB MidAmerican Energy Company
MEGA Merchant Energy Group of the Americas, Inc.
MERL Merrill Lynch Capital Services, Inc.
MPEX Minnesota Power Inc.
MPS Utilicorp United/Missouri Public Service
MSCG Morgan Stanley Capital Group, Inc.
MWE Midwest Energy
NRG NRG Power Marketing Inc.
NRGE Energetix L.L.C.
NSPP Northern States Power Company
OERI OGE Energy Resources, Inc.
OGE Oklahoma Gas and Electric Co.
OMPA Oklahoma Municipal Power Authority
OPMC ONEOK Energy Marketing and Trading, LP
OPPM Omaha Public Power District
OTPW Otter Tail Powr Co.
PCES PanCanadian Energy Services, Inc.
PEC People's Electric Cooperative
PGET PG&E Energy Trading
PNMM Public Service Company of New Mexico
PPMI PacificCorp Power Marketing
PSCM Public Service Company of Colorado
PWX British Columbia Power Exchange Corp.
REMC Rainbow Energy Marketing Corp.
RES Reliant Energy Services, Inc.
SCAN South Carolina Electric & Gas Co.
SEI Select Energy, Inc.
SEPC Sunflower Electric Power Corp.
SETC Sempra Energy Trading
SIKE Sikeston Board of Public Utilities
SPRM City Utilities of Springfield
SPSM Southwestern Public Service Company
SRE Split Rock Energy LLC
SWPA Southwestern Power Administration
TEA The Energy Authority
TEMC TransAlta Energy Marketing (US) Inc.
TEMI Tractebel Energy Marketing, Inv.
TEXL Tex-La Electric Cooperative of Texas, Inc.
TLEG The Legacy Energy Group, LLC
TNMP Texas-NM Power Co.
TNSK Tenaska Power Services Company
TPCO Tennessee Power Company
TVA Tennessee Valley Authority
UBS UBS AG, London Branch
WESC Williams Energy Marketing & Trading Company
WFES Western Farmers Electric Cooperative
WPEK Utilicorp United/West Plains Energy
WRGS Westar Energy, Inc.
WVPA Wabash Valley Power Association, Inc.