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Energy Gateway South Transmission Project

All dates below are specific to the schedule of the Environmental Review and Permitting processes for this project.

PROJECT STATUS
COMPLETE
SECTOR
Electricity Transmission
CATEGORY
FAST-41 Covered Projects
LEAD AGENCY
Department of the Interior
Description: 

The Applicant proposes to construct, operate, and maintain a 500-kilovolt (kV), overhead, single-circuit, alternating-current transmission line beginning near Medicine Bow, Carbon County, Wyoming, at the Aeolus Substation, planned as part of Gateway West, and would extend south and west to Clover Substation (constructed as part of Gateway Central) near Mona, Juab County, Utah, an approximate distance of 425 miles (230 miles on BLM lands). The Project includes two series compensation stations at points between the Aeolus and Clover substations to improve transport capacity and efficiency of the transmission line. Equipment to accomodate the 500kV transmission line would be installed at the Aeolus and Clover substations.

The Project is designed to provide up to 1,500 megawatts (MW) of capacity to meet current and forecasted needs of the Applicant's customers. Additionally, two existing 345kV transmission lines between the Clover and Mona substations, approximately 3 miles apart, would be rebuilt to increase capacity as part of the Project. The lines would be rebuilt in the existing rights-of-way. Part of the Project, the existing Mona to Huntington 345kV transmission line, which passes in a north-south direction to the east of the Clover Substation, would be rerouted through Clover Substation.

Map of project (pages 2-93 and 2-95): https://eplanning.blm.gov/epl-front-office/projects/nepa/53044/73681/80929/007_Ch2_PropAction-Alternatives.pdf

Permitting Timetable

The permitting timetable below displays data as reported by agencies. Dates for Environmental Review and Permitting processes (Actions) that are in 'Paused' or 'Planned' status are subject to change and are not indicative of a project's final schedule.

  • For information about extensions, select an Action from the timetable below and select 'View Action Details' at the bottom of the page.
Action
Responsible Agency
Status
Actual Completion Date