Colorado[3] Public Utilities Commission resource filings and PSCo interconnection queue establish commercial operation for late 2027.
NextEra Energy Resources is developing the 150 MW / 600 MWh utility-scale Carousel Energy Storage facility in Kit Carson County on Colorado's Eastern Plains. Sited adjacent to NextEra's operating 150 MW Carousel Wind Farm near Burlington and interconnecting to the Public Service Company of Colorado (PSCo) transmission network, the four-hour battery installation captures surplus regional wind and solar generation to reinforce system reliability across the Tri-State and Xcel Energy footprints.