Routed, Planned, & Moving Along

Revised Final EIS issued

Amended Federal Record of Decision

Amended Federal Record of Decision Expected.

Start of Line 1 Construction

Pattern Energy expects to start full construction of Line 1.

Line 1 starts Operating

Pattern Energy expects to complete construction and start operation of Line 1.

RioSol/Line 2 starts Operating

SWPG expects to complete construction and start operation of RioSol (Line 2).

Line 2 renamed RioSol

SWPG renames Line 2 RioSol to avoid confusion with Line 1 which is called SunZia.

Line 1 is sold to Pattern Energy

SWPG sells SunZia Line 1 to Pattern Energy and keeps Line 2.

Revised Draft EIS issued

BLM issues the Draft EIS for the re-routed Project.

Federal Permit is re-opened

SunZia submits an amended SF-299 to the BLM to re-start federal permitting for the re-routed portion of the Project.

Line 1 changes to HVDC

SunZia and Pattern Energy agree to change the technical basis for Line 1 from HVAC to HVDCwith 3,000 MW of capacity. Line 2 will now be HVAC with 1,500 MW of capacity.

SunZia and US Military agree on re-route

SunZia and the Dept of Defense agree to re-route a portion of the line in NM that avoids the Northern Call-Up area, north of WSMR.

Arizona State Permit is granted

The Arizona Corporation Commission approves a Certificate of Environmental Compatibility for the Project.

Federal Permit is granted

The BLM issues the Record of Decision for the Project.

FERC approves SunZia cost recovery

FERC approves negotiated rate authority for Line 1.

Joint Development Agreement signed

SWPG and 4 other companies signed a joint development agreement for the SunZia Southwest Transmission Project.

Start of Project Development

SouthWestern Power Group (SWPG) started planning the development of an interstate transmission project between AZ and NM consisting of two, single-circuit 500kV transmission lines and associated substations.