Voltage: 345 kV line
Estimated length: 83 miles
Estimated cost: $120 million
Targeted in-service: October 2018
Construction is underway on the Rush Creek 600 megawatt (MW) wind farm, an approximately 83-mile 345 kilovolt (kV) transmission line and two new substations in eastern Colorado. The 345 kV transmission line will connect the wind farm to our existing Missile Site Substation in Arapahoe County. The final segment of the transmission line was energized in August 2018, and the wind farm is scheduled to begin operations in September. The wind farm will cover 95,000 acres in Elbert, Lincoln, Kit Carson and Cheyenne Counties. The new transmission line will have a 150-foot wide right-of-way. The transmission line route passes through Lincoln, Elbert, and Arapahoe Counties.
We filed with the Colorado Public Utilities Commission (CPUC) on May 13, 2016 a request for two Certificates of Public Convenience and Necessity (CPCNs) to: (1) construct and operate the Rush Creek wind generation facilities and (2) construct and operate the 345 kV generation intertie to connect the wind generation facilities to the electric grid. View the application and testimony here (scroll down to filing documents). You can review all filings on the project on the CPUC website (external link) and enter 16A-0117E in the 'Proceeding Number' field. The CPCN process does not decide the final route of the transmission line. The final location and alighment of the transmission line was determined through a separate local government siting and permitting process that included land use permits from Arapahoe, Elbert, and Lincoln Counties.
Xcel Energy and multiple parties agreed to a settlement on September 2, 2016 that would approve the CPCNs and allow for Xcel Energy to move forward with the Rush Creek project. The CPUC held a public hearing on the settlement agreement on September 9, 2016. The settlement agreement was approved by the CPUC on September 30, 2016. The CPUC issued its written approval on October 20, 2016. View the Settlement Agreement. View the Attachment. View CPUC press release.
The project will:
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