The new Avery Substation will add capacity to deliver reliable, safe electric power to a fast-growing area of Northern Colorado. Proactive planning for current and future growth will help reduce the risk of electric outages while meeting the energy needs of existing and new homes and businesses for years to come. The new Avery substation will help improve grid reliability in Windsor and the surrounding communities as our existing Cobb Lake and Windsor Substations approach capacity. View benefits.
We have worked with the community on this project since 2012. We invited over 1,700 landowners and stakeholders to our most recent public open house on July 9. Attendees were asked for feedback on two potential sites for the proposed substation and transmission line extension in Windsor, both on property owned by the City of Thornton. Since the public open house, we have identified one as the preferred location.
The preferred site, referenced as the West Site at the public open house, will be proposed for consideration by the Town of Windsor in the upcoming Conditional Use Grant permit application. We chose the West Site location because it offers a wide range of benefits and is the preferred site based on recent public feedback. View project update with map (PDF).
The preferred site is located more than 1,500 feet away from adjacent subdivisions to reduce the visual scale of the facility.
The preferred site maximizes distance from wetlands near Lee Lake and near Weld County Road 76 that may support wildlife.
The preferred site uses existing vegetation, topography, and distance to reduce the visual impact of the facility and will also incorporate additional landscape screening in the site design.
The preferred site includes a straighter path for the transmission line and minimizes the number of large support structures, while increasing the distance of the transmission line from the majority of viewers.
The preferred site is consistent with the consensus of those attending and commenting on the project during the July 2019 public open house for the reasons outlined above.
The Avery Substation Project includes several components:
Power for the proposed 1.5 mile 230-kV transmission line will be provided by interconnecting with the existing Platte River Power Authority (PRPA) Timberline-Ault 230-kV transmission line. This connection will supply the proposed Avery Substation with the electrical supply needed to power the distribution feeders serving the surrounding communities. To meet the growing needs of this region, construction of the substation needs to start by the end of 2019.