| Company | Website | City/State | Country |
|---|---|---|---|
| Warren Rural Electric Cooperative Corporation | Visit Us | Bowling Green, KY | UNITED STATES |
| Washington Gas Light Company | Visit Us | Springfield, VA | UNITED STATES |
| We Energies | Visit Us | Green Bay, WI | UNITED STATES |
| WEC Energy Group | Visit Us | Milwaukee, WI | UNITED STATES |
| Western Area Power Administration | Visit Us | Lakewood, CO | UNITED STATES |
| Western Mass Electric Company | Visit Us | West Springfield, MA | UNITED STATES |
| Wisconsin Public Service Corporation | Visit Us | Green Bay, WI | UNITED STATES |
