Voltage: 345 kV line
Estimated length: 83 miles
Estimated cost: $120 million
Targeted in-service: October 2018
Xcel Energy has received final approval to build, own, and operate 600 megawatts (MW) of new wind generation, 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 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.
Construction of the transmission began in July. The majority of the structures will be installed using direct embed foundations, which involves drilling a hole, inserting a structure and backfilling. A few of the structures will sit on concrete foundations. The structure's pieces are set into place using a crane. Landowners will be notified prior to work beginning on their land.
Xcel Energy identified the route for the new 83-mile 345 kV transmission line after consulting with local, state and federal agencies, holding public open houses with a comment period, studying environmental and land use factors. Engineers identified eight alternative routes and after additional analysis, selected and submitted a preferred alternative to each County for review and approval.
Xcel Energy invites interested stakeholders to attend the Rush Creek Gen-Tie meeting and webinar being hosted by the company on October 10, 2017 at 1:30-3:30 p.m. The purpose of this meeting and webinar is to discuss alternatives identified in the recently published "Rush Creek Task Force Study Report" to potentially integrate the Rush Creek Gen-Tie line as a network facility. This meeting is being held to comply with the terms of the Rush Creek Settlement Agreement approved by the Colorado Public Utilities Commission (PUC) in September 2016 (CPUC Decision No. C16-0958, mailed October 20, 2016). (View more information)
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 includes 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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