| Alabama Power Company | 1 | 2025-01-01 |
| Ameren Illinois Company | 1 | 2026-10-01 |
| Appalachian Power Company | 2 | 2026-09-24 |
| Arizona Public Service Co | 3 | 2026-06-01 |
| Baltimore Gas and Electric Company | 1 | 2026-10-01 |
| CPS Energy | 2 | 2026-10-01 |
| CenterPoint Energy Houston Electric, LLC | 1 | 2026-09-30 |
| City of Oconomowoc Utilities | 1 | 2026-07 |
| Commonwealth Edison Company | 3 | 2026-08-01 |
| Consolidated Edison Company of New York | 1 | 2026-02-01 |
| Consumers Energy Company | 2 | 2026-10-01 |
| DTE Electric Company | 3 | 2026-09-01 |
| Dominion Energy South Carolina, Inc. | 2 | 2026-07-01 |
| Duke Energy Carolinas, LLC | 2 | 2026-09-01 |
| Duke Energy Florida, LLC | 1 | 2026-10-01 |
| Duke Energy Indiana, LLC | 1 | 2026-10-01 |
| Duke Energy Progress, LLC | 1 | 2026-07-01 |
| Entergy Arkansas, LLC | 1 | 2026-08-01 |
| Entergy Louisiana, LLC | 1 | 2026-10-01 |
| Entergy Mississippi, LLC | 1 | 2026-10-01 |
| Entergy New Orleans, LLC | 1 | 2026-10-01 |
| Entergy Texas, Inc. | 1 | 2026-09-01 |
| FirstEnergy Pennsylvania Electric Company | 4 | 2026-10-01 |
| Florida Power & Light Company | 1 | 2026-10-01 |
| Georgia Power Company | 2 | 2026-06-01 |
| Jersey Central Power & Light Co | 1 | 2026-07-15 |
| Long Island Power Authority | 4 | 2026-10-01 |
| Los Angeles Department of Water and Power | 2 | 2026-10-01 |
| Massachusetts Electric Company | 2 | 2026-10-01 |
| NSTAR Electric Company | 12 | 2026-09-01 |
| Nevada Power Company | 2 | 2025-10-01 |
| New York State Electric and Gas Corporation | 1 | 2026-10-01 |
| Niagara Mohawk Power Corporation | 1 | 2026-04-01 |
| Northern States Power Company - Minnesota | 2 | 2026-10-01 |
| Ohio Edison Co | 1 | 2026-10-01 |
| Ohio Power Co | 2 | 2026-10-01 |
| Oklahoma Gas and Electric Company | 1 | 2026-10-01 |
| Oncor Electric Delivery Company LLC | 1 | 2026-10-04 |
| PECO Energy Co | 1 | 2026-07-01 |
| PPL Electric Utilities Corp | 1 | 2026-07-01 |
| PacifiCorp | 6 | 2026-10-01 |
| Pacific Gas & Electric Co | 4 | 2026-06-01 |
| Portland General Electric Company | 2 | 2026-07-08 |
| Potomac Electric Power Company | 2 | 2026-01-01 |
| Public Service Company of Colorado | 4 | 2026-10-01 |
| Public Service Electric and Gas Company | 2 | 2026-07-15 |
| Puget Sound Energy | 2 | 2026-01-29 |
| Sacramento Municipal Utility District | 2 | 2026-01-01 |
| Salt River Project | 2 | 2026-01-01 |
| San Diego Gas & Electric Co | 1 | 2026-08-01 |
| Sierra Pacific Power Company | 3 | 2026-07-01 |
| Southern California Edison Co | 4 | 2026-10-01 |
| Tampa Electric Company | 1 | 2026-08-01 |
| The Connecticut Light and Power Company | 2 | 2026-07-01 |
| Union Electric Company | 1 | 2026-10-01 |
| Virginia Electric and Power Company | 2 | 2026-09-01 |
| Wisconsin Electric Power Co | 1 | 2026-01-01 |