| Entity Name |
Desk Type |
Desk Code |
NERC Region |
| AEP Central and Southwest |
TP |
CSWS |
SPP |
| AEP Texas |
TP |
AEPT |
ERCOT |
| Alberta Electric System Operator |
TP |
AESO |
WSCC |
| Alliance RTO |
TP |
ARTO |
ECAR |
| Alliant Energy - TP |
TP |
ALT |
MAIN |
| Ameren Transmission. legal name Ameren Services Company |
TP |
AMRN |
SERC |
| American Transmission Company LLC |
TP |
ATC |
MRO |
| American Transmission Systems, Inc. |
TP |
ATSI |
ECAR |
| APGI - Yadkin Division |
TP |
YAD |
SERC |
| APGI - Yadkin Division |
TP |
YAD2 |
SERC |
| Aquila Networks - WPC |
TP |
WPEL |
WSCC |
| Aquila Networks - WPK |
TP |
WPEK |
SPP |
| Arizona Public Service Company |
TP |
AZPS |
WSCC |
| Associated Electric Cooperative, Inc. |
TP |
AECI |
SERC |
| Avista Corp. |
TP |
AVAT |
WSCC |
| Bangor Hydro Electric Company |
TP |
BHE |
NPCC |
| Basin Electric Power Cooperative |
TP |
BEPE |
MAPP |
| Basin Electric Power Cooperative |
TP |
BEPW |
WSCC |
| Big Rivers Electric Corp. |
TP |
BREC |
SERC |
| Black Hills Power |
TP |
BHBE |
WSCC |
| Black Hills/Colorado Electric Utility Company |
TP |
BHCT |
WSCC |
| Bonneville Power Administration Transmission |
TP |
BPAT |
WSCC |
| Boston Edison Company |
TP |
BECO |
NPCC |
| British Columbia Transmission Corporation |
TP |
BCTC |
WSCC |
| Brookfield Power Services Inc. |
TP |
GLPT |
NPCC |
| California Independent System Operator (CAISO) |
TP |
CISO |
WSCC |
| Cambridge Electric Light Company |
TP |
CELC |
NPCC |
| Carolina Power & Light Company |
TP |
CPL |
SERC |
| Central Illinois Light Co |
TP |
CILC |
SERC |
| Central Maine Power Company |
TP |
CMP |
NPCC |
| Central Vermont Public Service Corporation |
TP |
CVPS |
NPCC |
| CHEYENNE LIGHT, FUEL AND POWER |
TP |
CLPT |
WSCC |
| Cinergy Corporation |
TP |
CIN |
ECAR |
| City of Azusa Light and Water Department |
TP |
AZUS |
WSCC |
| City of Banning Electrical Department |
TP |
BANN |
WSCC |
| City of Burbank |
TP |
BURT |
WSCC |
| City of Colton |
TP |
CLNT |
WSCC |
| City of Glendale |
TP |
GLEN |
WSCC |
| City of Pasadena |
TP |
PASA |
WSCC |
| City of Riverside |
TP |
RVSD |
WSCC |
| City of Tallahassee |
TP |
TAL |
FRCC |
| City of Vernon |
TP |
VERN |
WSCC |
| Cleco Power LLC |
TP |
CLEC |
SPP |
| Colorado Springs Utilities |
TP |
CSU |
WSCC |
| Columbia Water & Light |
TP |
CWLD |
MAIN |
| Comision Federal de Electricidad |
TP |
CFE |
WSCC |
| Commonwealth Electric Company |
TP |
COM |
NPCC |
| Corn Belt Power Cooperative |
TP |
CBPC |
MRO |
| Corn Belt Power Cooperative |
TP |
CBTP |
MAPP |
| Cross-Sound Cable Company, LLC |
TP |
CSC |
NPCC |
| Dairyland Power Cooperative |
TP |
DPC |
MRO |
| Deseret Generation & Transmission Cooperative |
TP |
DGT |
WSCC |
| Dominion Virginia Power |
TP |
VAP |
SERC |
| Duke Energy Carolinas, LLC (Transmission) |
TP |
DUK |
SERC |
| E.ON U.S. Services Inc. |
TP |
LGEE |
SERC |
| East Kentucky Power Cooperative, Inc. |
TP |
EKPC |
SERC |
| Eastern Maine Electric Cooperative |
TP |
EMEC |
NPCC |
| El Paso Electric |
TP |
EPE |
WSCC |
| Empire District Electric Co., The |
TP |
EDE |
SPP |
| Entergy |
TP |
EES |
SERC |
| ERCOT ISO |
TP |
ERCO |
ERCOT |
| Florida Power & Light |
TP |
FPL |
FRCC |
| Florida Power & Light |
TP |
FPLN |
NPCC |
| Florida Power Corporation |
TP |
FPC |
FRCC |
| Georgia Transmission Corporation |
TP |
GATC |
SERC |
| Georgia Transmission Corporation |
TP |
GTCN |
SERC |
| Georgia Transmission Corporation |
TP |
GTC |
SERC |
| Grand River Dam Authority |
TP |
GRDA |
SPP |
| Grant County PUD No.2 |
TP |
GCPD |
WSCC |
| Great River Energy |
TP |
GRE |
MRO |
| Green Light Corporation |
TP |
GL |
SPP |
| Green Mountain Power Corp. |
TP |
GMP |
NPCC |
| GridAmerica |
TP |
GA |
MAIN |
| Heartland Consumers Power District |
TP |
HCPD |
MRO |
| Heartland Consumers Power District |
TP |
HCPM |
MRO |
| Hoosier Energy |
TP |
HE |
ECAR |
| Hydro-Quebec, TransEnergie |
TP |
HQT |
NPCC |
| Idaho Power Company |
TP |
IPCO |
WSCC |
| Illinois Power Co. |
TP |
IP |
SERC |
| Imperial Irrigation District |
TP |
IID |
WSCC |
| Indianapolis Power & Light Company |
TP |
IPL |
ECAR |
| ISO New England Inc. |
TP |
ISNE |
NPCC |
| ITC Midwest LLC |
TP |
ITCM |
RFC |
| JEA |
TP |
JEA |
FRCC |
| Kansas City Power & Light, Co |
TP |
KCPL |
SPP |
| KCP&L Greater Missouri Operations Company |
TP |
MPS |
SPP |
| Lincoln Electric System |
TP |
LES |
SPP |
| Los Angeles Department of Water and Power |
TP |
LDWP |
WSCC |
| Maine Electric Power Company |
TP |
MEPC |
NPCC |
| Maine Public Service Company |
TP |
MPSC |
NPCC |
| Maritime Electric Company, Limited |
TP |
MESA |
NPCC |
| MHEB, Transmission Services |
TP |
MHEB |
MAPP |
| Michigan Electric Coordinated System |
TP |
ITC |
RFC |
| Michigan Electric Coordinated System |
TP |
METC |
RFC |
| Michigan Electric Coordinated System |
TP |
MECS |
RFC |
| Mid C Hub |
TP |
MHUB |
WSCC |
| MidAmerican Energy Company |
TP |
MEC |
MAPP |
| Mid-Continent Area Power Pool |
TP |
MAPP |
MAPP |
| Midwest Energy, Inc. |
TP |
MIDW |
SPP |
| Midwest ISO |
TP |
MISO |
ECAR |
| Minnesota Power, Inc. |
TP |
MP |
MAPP |
| Minnkota Power Coop |
TP |
MPCN |
MAPP |
| Modesto Irrigation District |
TP |
MIDT |
WSCC |
| Montana-Dakota Utilities Co. |
TP |
MDU |
MAPP |
| MSR Public Power Agency |
TP |
MSRT |
WSCC |
| Municipal Electric Authority of Georgia |
TP |
MEAG |
SERC |
| Muscatine Power and Water |
TP |
MPW |
MAPP |
| Nebraska Public Power District |
TP |
NPPD |
SPP |
| NEPOOL c_o ISO New England Inc. |
TP |
NRTG |
NPCC |
| Nevada Power Company |
TP |
NEVP |
WSCC |
| New Brunswick System Operator |
TP |
NBSO |
NPCC |
| New England Power Company |
TP |
NEP |
NPCC |
| New York Independent System Operator |
TP |
NYIS |
NPCC |
| North American Electric Reliability Council |
TP |
3333 |
MAAC |
| Northeast Utilities |
TP |
NU |
NPCC |
| Northern Indiana Public Service Company |
TP |
NIPS |
RFC |
| Northern States Power Company |
TP |
NSP |
MRO |
| NorthWestern Energy |
TP |
NWMT |
WSCC |
| Nova Scotia Power System Operator |
TP |
NSSO |
NPCC |
| NSTAR Electric Company |
TP |
NSTR |
NPCC |
| Ohio Valley Electric Corporation |
TP |
OVEC |
RFC |
| Oklahoma Gas and Electric |
TP |
OKGE |
SPP |
| Ontario - Independent Electricity System Operator |
TP |
ONT |
NPCC |
| OPPD CA/TP |
TP |
OPPD |
MAPP |
| Orlando Utilities Commission |
TP |
OUCT |
FRCC |
| Otter Tail Power Company |
TP |
OTP |
MRO |
| P.U.D. No. 1 of Douglas County |
TP |
DOPD |
WSCC |
| PacifiCorp |
TP |
PPW |
WSCC |
| PJM Interconnection |
TP |
PJM |
RFC |
| Platte River Power Authority TP |
TP |
PRPA |
WSCC |
| Portland General Electric |
TP |
PGE |
WSCC |
| PowerSouth Electric Cooperative, Inc. |
TP |
AEC |
SERC |
| Public Service Company of Colorado CA&TP |
TP |
PSCO |
WSCC |
| Public Service Company of New Mexico |
TP |
PNM |
WSCC |
| Puget Sound Energy Transmission |
TP |
PSEI |
WSCC |
| Redding Electric Utility |
TP |
REDT |
WSCC |
| Rochester Public Utilities |
TP |
RPU |
MAPP |
| Sacramento Municipal Utility District |
TP |
SMD1 |
WSCC |
| Salt River Project - OASIS Desk O/SE |
TP |
SRP |
WSCC |
| Santee Cooper |
TP |
SC |
SERC |
| SaskPower Grid Control Centre |
TP |
SPC |
MRO |
| Seminole Electric Cooperative |
TP |
SEC |
FRCC |
| Sierra Pacific Power Co. - Transmission |
TP |
SPPC |
WSCC |
| South Carolina Electric & Gas Company |
TP |
SCEG |
SERC |
| South Mississippi Electric Power Association |
TP |
SME |
SERC |
| Southeastern Power Administration |
TP |
SERU |
SERC |
| Southeastern Power Administration |
TP |
SEHA |
SERC |
| Southeastern Power Administration |
TP |
SETH |
SERC |
| Southern Company Services, Inc. |
TP |
SOCO |
SERC |
| Southern Illinois Power Cooperative |
TP |
SIPC |
SERC |
| Southern Minnesota Municipal Power Agency |
TP |
SMPT |
MAPP |
| Southwest Power Pool |
TP |
SWPP |
SPP |
| Southwest Transmission Cooperative, Inc. |
TP |
SWTC |
WSCC |
| Southwestern Power Administration |
TP |
SPA |
SPP |
| Southwestern Public Service Company |
TP |
SPS |
SPP |
| St. Joseph Light & Power Co. |
TP |
SJLP |
SPP |
| Sunflower Electric Power Corporation |
TP |
SECI |
SPP |
| Tacoma Power |
TP |
TPWT |
WSCC |
| Tampa Electric Company |
TP |
TEC |
FRCC |
| Tennessee Valley Authority ESO |
TP |
TVA |
SERC |
| Texas New Mexico Power Co. |
TP |
TNPN |
WSCC |
| The United Illuminating Company |
TP |
UICO |
NPCC |
| TranServ International, Inc |
TP |
TSI |
MAPP |
| Transmission Agency of Northern California |
TP |
TANC |
WSCC |
| Tri-State Generation and Transmission Association |
TP |
TSGT |
WSCC |
| Tucson Electric Power Company |
TP |
TEPC |
WSCC |
| Turlock Irrigation District |
TP |
TIDT |
WSCC |
| Upper Peninsula Power Co. |
TP |
UPPC |
MAIN |
| Utah Associated Municipal Power Systems (UAMPS) |
TP |
UMPS |
WSCC |
| Utah Municipal Power Agency |
TP |
UMPT |
WSCC |
| Vectren - Southern Indiana Gas & Electric Co. |
TP |
SIGE |
RFC |
| VELCO |
TP |
VELC |
NPCC |
| Vermont Electric Cooperative, Inc |
TP |
VECT |
NPCC |
| VT TRANSCO LLC |
TP |
VTTR |
NPCC |
| Vt. Public Power Supply Authority |
TP |
VPPT |
NPCC |
| Westar Energy, Inc. |
TP |
WR |
SPP |
| Western Area Power Administration - CM |
TP |
LAPT |
WSCC |
| Western Area Power Administration - UGPR |
TP |
WAPA |
MAPP |
| Western Area Power Administration Sierra Nevada Re |
TP |
WASN |
WSCC |
| Western Area Power Administration-CRSP |
TP |
CRCM |
WSCC |
| Western Area Power Administration-DSW |
TP |
WALC |
WSCC |
| Western Farmers Electric Cooperative |
TP |
WFEC |
SPP |
| Wisconsin Public Service Corporation |
TP |
WPS |
MRO |
