Spark Energy Market Information
| State | Utility Territory | Residential | Commercial | Industrial |
|---|---|---|---|---|
| Arizona | Southwest Gas Company(SWG)  | ✓ | ✓ | |
| UniSource Energy Service | ✓ | ✓ | ||
| California | Pacific Gas and Electric (PG&E) | ✓ | ✓ | ✓ |
| San Diego Gas & Electric (SDG&E) | ✓ | ✓ | ✓ | |
| Southern California Gas Company(SoCal) | ✓ | ✓ | ✓ | |
| Southwest Gas Corporation(SWG) | ✓ | ✓ | ||
| Connecticut | Connecticut Natural Gas | ✓ | ✓ | |
| Southern Connecticut Gas | ✓ | ✓ | ||
| Yankee Gas | ✓ | ✓ | ||
Eversource | ✓ | ✓ | ||
| United Illuminating | ✓ | ✓ | ||
| Colorado | Public Service Company of Colorado (PSCO) | ✓ | ✓ | |
| Delaware | Delmarva Power | ✓ | ✓ | ✓ |
| Florida | Florida City Gas | ✓ | ✓ | |
| Florida Public Utilities | ✓ | ✓ | ||
| People Gas/TECO | ✓ | ✓ | ||
| Illinois | Nicor Gas Company | ✓ | ✓ | ✓ |
| North Shore Gas | ✓ | ✓ | ✓ | |
| People Gas | ✓ | ✓ | ✓ | |
| Commonwealth Edison | ✓ | ✓ | ✓ | |
| Indiana | Northern Indiana Public Service Company | ✓ | ✓ | ✓ |
| Massachusetts | NSTAR Gas | ✓ | ✓ | ✓ |
| Maryland | Baltimore Gas and Electric Company | ✓ | ✓ | ✓ |
| Delmarva Power – Maryland | ✓ | ✓ | ✓ | |
| Pepco – Maryland | ✓ | ✓ | ✓ | |
| FirstEnergy Corp. (Potomac Edison) | ✓ | ✓ | ✓ | |
| Michigan | Consumers Energy Gas | ✓ | ✓ | ✓ |
| Nevada | Southwest Gas Company(SWG) | ✓ | ✓ | |
| New Jersey | Public Service Electric & Gas Company | ✓ | ✓ | |
| New York | Consolidated Edison of New York | ✓ | ✓ | |
| Consolidated Edison of New York | ✓ | ✓ | ✓ | |
| National Grid (KeySpan) Long Island | ✓ | ✓ | ✓ | |
| National Grid (KeySpan) New York | ✓ | ✓ | ✓ | |
| National Grid (Niagara Mohawk Power Corporation) | ✓ | ✓ | ✓ | |
| National Grid (Niagara Mohawk Power Corporation) | ✓ | ✓ | ||
| Ohio | Columbia Gas of Ohio | ✓ | ✓ | ✓ |
| Dominion East Ohio | ✓ | ✓ | ✓ | |
| Pennsylvania | PECO Energy Company | ✓ | ✓ | ✓ |
| Pennsylvania Power and Light | ✓ | ✓ | ✓ | |
| West Penn Power (formerly Alleghany) | ✓ | ✓ | ✓ | |
| Columbia Gas of Pennsylvania | ✓ | ✓ | ✓ | |
| Duquesne Light Company | ✓ | ✓ | ✓ | |
| Metropolitan Edison | ✓ | ✓ | ✓ | |
| National Fuel Gas – Pennsylvania | ✓ | ✓ | ✓ | |
| PECO Energy Company | ✓ | ✓ | ✓ | |
| Pennsylvania Electric Company(PENE) | ✓ | ✓ | ✓ | |
| Penn Power | ✓ | ✓ | ✓ | |
| Peoples (Peoples Gas) – Pennsylvania | ✓ | ✓ | ✓ | |
| UGI Utilities | ✓ | ✓ | ✓ | |
| Texas | Centerpoint Energy | ✓ | ✓ | ✓ |
| Texas New-Mexico Power | ✓ | ✓ | ✓ | |
| ONCOR | ✓ | ✓ | ✓ | |
| AEP Central | ✓ | ✓ | ✓ | |
| AEP North | ✓ | ✓ | ✓ |