News
Willcox Chamber of Commerce and Agriculture hosts The State of the City mixer
WILLCOX — The Willcox Chamber of Commerce and Agriculture hosted The State of the City, a networking event for local …
WILLCOX — The Willcox Chamber of Commerce and Agriculture hosted The State of the City, a networking event for local …
The American Southwest is a region rich in energy resources but transporting that power to communities that need it remains …
| Date | Title |
|---|---|
| May 2025 | New Mexico Overview |
| May 2025 | Arizona Overview |
| September 2024 | Western Interconnection Baseline Study |
| October 2023 | DOE Transmission Facilitation Program Event video |
| December 2022 | Landowner Open House Meeting Boards |
| 2016 | NEPA Environmental Review Documents |
| 2016 | NEPA Routing Report |
| 2016 | Record of Decision |
Building America's Next-Generation Infrastructure to Power Our Future.
Black Forest Partners and Grid United are co-developing Southline Transmission Project.
© 2026. Grid United LLC. All Rights Reserved.
Southline Transmission, LLC. invites the public to participate at a public hearing before the Arizona Power Plant and Transmission Line Siting Committee (Committee). Southline Transmission, LLC. is submitting an Application to amend the Certificate of Environmental Compatibility (CEC) granted by the Commitee in Line Siting Case No.173 (CEC 173) to obtain a CEC for the Apache to Vail Upgrade Route of the Southline Transmission Project.
January 12, 2026 | 1:00 PM – 5:30 PM
January 13 – 16, 2026, as needed | 9:00 AM – 5:00 PM
DoubleTree by Hilton Tuscon -Reid Park
445 South Alvernon Way, Tucson, AZ, 85711