| Missoula Electric Coop, Inc | Final | MT | |
| Montana-Dakota Utilities Co | Final | MT | |
| Flathead Electric Coop Inc | Final | MT | |
| Southern Pine Electric Cooperative | Final | MS | |
| Mississippi Power Co | Final | MS | |
| Entergy Mississippi LLC | Final | MS | |
| Coast Electric Power Assn - (MS) | Final | MS | |
| Union Electric Co - (MO) | Final | MO | |
| Empire District Electric Co | Final | MO | |
| Cuivre River Electric Coop Inc | Final | MO | |
| Dakota Electric Association | Final | MN | |
| McLean Electric Coop, Inc | Final | ND | |
| Otter Tail Power Co | Final | MN | |
| Northern States Power Co - Minnesota | Final | MN | |
| ALLETE, Inc. | Final | MN | |
| Upper Michigan Energy Resources Corp. | Final | MI | |
| Upper Peninsula Power Company | Final | MI | |
| Indiana Michigan Power Co | Final | MI | |
| DTE Electric Company | Final | MI | |
| Consumers Energy Co - (MI) | Final | MI | |
| Cloverland Electric Co-op | Final | MI | |
| Alpena Power Co | Final | MI | |
| Central Maine Power Co | Final | ME | |
| Southern Maryland Elec Coop Inc | Final | MD | |
| Potomac Electric Power Co | Final | MD | |
| The Potomac Edison Company | Final | MD | |
| Baltimore Gas & Electric Co | Final | MD | |
| NSTAR Electric Company | Final | MA | |
| Nantucket Electric Co | Final | MA | |
| Massachusetts Electric Co | Final | MA | |
| Fitchburg Gas & Elec Light Co | Final | MA | |
| Southwestern Electric Power Co | Final | LA | |
| Entergy New Orleans, LLC | Final | LA | |
| Entergy Louisiana LLC | Final | LA | |
| Cleco Power LLC | Final | LA | |
| Kentucky Power Co | Final | KY | |
| Louisville Gas & Electric Co | Final | KY | |
| Kentucky Utilities Co | Final | KY | |
| Kenergy Corp | Final | KY | |
| Evergy Kansas Central, Inc | Final | KS | |
| Evergy Kansas South, Inc | Final | KS | |
| Empire District Electric Co | Final | KS | |
| Southern Indiana Gas & Elec Co | Final | IN | |
| Duke Energy Indiana, LLC | Final | IN | |
| Northern Indiana Pub Serv Co | Final | IN | |
| Indiana Michigan Power Co | Final | IN | |
| Ameren Illinois Company | Final | IL | |
| Mt Carmel Public Utility Co | Final | IL | |
| MidAmerican Energy Co | Final | IL | |
| Commonwealth Edison Co | Final | IL | |
| Avista Corp | Final | ID | |
| Lower Valley Energy Inc | Final | ID | |
| Kootenai Electric Cooperative | Final | ID | |
| Idaho Power Co | Final | ID | |
| MidAmerican Energy Co | Final | IA | |
| Interstate Power and Light Co | Final | IA | |
| Hawaiian Electric Co Inc | Final | HI | |
| Maui Electric Co Ltd | Final | HI | |
| Hawaii Electric Light Co Inc | Final | HI | |
| Jackson Electric Member Corp - (GA) | Final | GA | |
| Georgia Power Co | Final | GA | |
| Cobb Electric Membership Corp | Final | GA | |
| Tampa Electric Co | Final | FL | |
| Florida Public Utilities Co | Final | FL | |
| Duke Energy Florida, LLC | Final | FL | |
| Florida Power & Light Co | Final | FL | |
| Delaware Electric Cooperative | Final | DE | |
| Potomac Electric Power Co | Final | DC | |
| United Illuminating Co | Final | CT | |
| Connecticut Light & Power Co | Final | CT | |
| Black Hills Colorado Electric, LLC | Final | CO | |
| High West Energy, Inc | Final | CO | |
| United Power, Inc | Final | CO | |
| San Luis Valley R E C, Inc | Final | CO | |
| Public Service Co of Colorado | Final | CO | |
| Poudre Valley REA, Inc | Final | CO | |
| CORE Electric Cooperative | Final | CO | |
| City of Fort Collins - (CO) | Final | CO | |
| City of Colorado Springs - (CO) | Final | CO | |
| Southern California Edison Co | Final | CA | |
| San Diego Gas & Electric Co | Final | CA | |
| Pacific Gas & Electric Co. | Final | CA | |
| Tucson Electric Power Co | Final | AZ | |
| Mohave Electric Cooperative, Inc. | Final | AZ | |
| UNS Electric, Inc | Final | AZ | |
| Trico Electric Cooperative Inc | Final | AZ | |
| Arizona Public Service Co | Final | AZ | |
| Ajo Improvement Co | Final | AZ | |
| Southwestern Electric Power Co | Final | AR | |
| Oklahoma Gas & Electric Co | Final | AR | |
| First Electric Coop Corp | Final | AR | |
| Empire District Electric Co | Final | AR | |
| Carroll Electric Coop Corp - (AR) | Final | AR | |
| Arkansas Valley Elec Coop Corp | Final | AR | |
| Entergy Arkansas LLC | Final | AR | |
| Homer Electric Assn Inc | Final | AK | |
| Matanuska Electric Assn Inc | Final | AK | |
| Golden Valley Elec Assn Inc | Final | AK | |
| Chugach Electric Assn Inc | Final | AK | |
| Alaska Power and Telephone Co | Final | AK | |
| High West Energy, Inc | Final | WY | |
| Powder River Energy Corp | Final | WY | |
| Montana-Dakota Utilities Co | Final | WY | |
| Lower Valley Energy Inc | Final | WY | |
| High Plains Power Inc | Final | WY | |
| Wheeling Power Co | Final | WV | |
| Moon Lake Electric Assn Inc | Final | CO | |
| The Potomac Edison Company | Final | WV | |
| Monongahela Power Co | Final | WV | |
| Appalachian Power Co | Final | WV | |
| Wisconsin Public Service Corp | Final | WI | |
| Wisconsin Power & Light Co | Final | WI | |
| Wisconsin Electric Power Co | Final | WI | |
| Northwestern Wisconsin Elec Co | Final | WI | |
| Northern States Power Co | Final | WI | |
| North Central Power Co Inc | Final | WI | |
| Madison Gas & Electric Co | Final | WI | |
| Dahlberg Light & Power Co | Final | WI | |
| Avista Corp | Final | WA | |
| Puget Sound Energy Inc | Final | WA | |
| Vermont Electric Cooperative, Inc | Final | VT | |
| Green Mountain Power Corp | Final | VT | |
| Virginia Electric & Power Co | Final | VA | |
| Kentucky Utilities Co | Final | VA | |
| Appalachian Power Co | Final | VA | |
| Provo City Corp | Final | UT | |
| Moon Lake Electric Assn Inc | Final | UT | |
| Entergy Texas Inc. | Final | TX | |
| El Paso Electric Co | Final | TX | |
| Kingsport Power Co | Final | TN | |
| West River Electric Assn Inc | Final | SD | |
| Southeastern Electric Coop Inc - (SD) | Final | SD | |
| Otter Tail Power Co | Final | SD | |
| Black Hills Electric Coop, Inc | Final | SD | |
| South Carolina Public Service Authority | Final | SC | |
| Dominion Energy South Carolina, Inc | Final | SC | |
| Palmetto Electric Coop Inc | Final | SC | |
| Duke Energy Carolinas, LLC | Final | SC | |
| Berkeley Electric Coop Inc | Final | SC | |
| The Narragansett Electric Co | Final | RI | |
| West Penn Power Company | Final | PA | |
| Wellsborough Electric Co | Final | PA | |
| UGI Utilities, Inc | Final | PA | |
| Pike County Light & Power Co | Final | PA | |
| PECO Energy Co | Final | PA | |
| Pennsylvania Power Co | Final | PA | |
| PPL Electric Utilities Corp | Final | PA | |
| Pennsylvania Electric Co | Final | PA | |
| Metropolitan Edison Co | Final | PA | |
| Duquesne Light Co | Final | PA | |