WAPA Ault to Cloverly Transmission Line
Voltage: 115/230 kV line
Estimated cost: $65 million
Target in-service: 2021
The Northern Colorado Area Plan would increase electric transmission capacity, enhance electric reliability and expand load-serving capability of the Xcel Energy electric transmission system north of Greeley.
The proposed project includes building approximately 20 miles of new 115/230-kilovolt (kV) transmission line between the Western Area Power Authority (WAPA) Ault Substation and a location northeast of Greeley where the new 115/230-kV transmission line connects to Xcel Energy's existing 115-kV line near the Cloverly Substation. The project also includes construction of two new substations and the improvement of two existing substation facilities. The project is the first step in a comprehensive plan to upgrade the region’s infrastructure and modernize the transmission system. Pending approvals, the project is expected to be complete in 2021.
The preferred and alternate transmission line routes are shown on the map below. The two new substations will be located near Ault and Eaton and will replace two existing 44k kV substations. The alternative transmission route corridors are shown on the map conceptually, but the transmission line will only require a 100 to 150-foot right-of-way.
Schedule (Pending Approval)
2018 - File local, state, federal permits
2019 - Begin construction
2020 - Begin construction of transmission line
2021 - Project completed
The Colorado Public Utilities Commission (CPUC) approved a Certificate of Public Convenience and Necessity (CPCN) application on March 1, 2018 to allow Xcel Energy to construct the Northern Colorado Area Plan.
When proposing a high-voltage transmission line project, investor-owned utilities must file a CPCN application with the CPUC. You can review all regulatory filings on the CPUC web site by entering 17A-0146E in the 'Proceeding Number' field. The CPCN process allows the Company to proceed with implementation, but does not decide the specific routes and locations of the transmission lines and substations. Those issues are determined through a separate local government siting process. Xcel Energy will file for development permit approvals with Weld County and the Town of Ault.
The proposed Northern Colorado Area Transmission Project consists of the following components:
Northern Colorado Area Plan Fact Sheet
April 2018 Direct Mail Piece
January 2018 Direct Mail Piece
October 2017 Direct Mail Piece
Siting and Permitting
EMF Fact Sheet
Birds and Power Lines
Safety Around Powerlines
Working with Landowners
Overhead vs. Underground
Transmission Line Construction Process
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