The facility was the largest in the United States to service a major public utility when its activation was announced on December 17, 2007.

The electricity is being sold to Public Service of Colorado, a subsidiary of Xcel Energy, under a 20-year power purchase agreement.

The third unit accounts for the remaining ~1.2 MW and consists of 72 SOLON Mover[4] tracker systems with concentrating solar panels.

Construction began in April 2007, and the facility was generating full power by the end of the year.

[11] In January 2015, the plant was purchased by TerraForm Power,[12] which was created as a yield co by SunEdison prior to its bankruptcy filing the following year.