Holy Cross Energy Solar Array and Battery Storage Collaboration Project

Holy Cross Energy announced the completion of its new solar array and battery storage project at Colorado Mountain College’s Spring Valley campus in Glenwood Springs. This project is a collaboration between Holy Cross Energy, Colorado Mountain College, Ameresco, Sunsense and Friends. The utility-scale solar and storage project is a step towards Holy Cross Energy’s goal of producing 100% carbon-free electricity by 2030, as well as Colorado Mountain College’s intention to be entirely carbon neutral by 2050.

The system includes 13,500 solar panels located at the campus, which provide 4.5 MW of solar power, and 68 battery stacks that provide 5MW/15MWh of battery energy storage. Most of the solar panels are installed using single-axis tracking, which uses one axis of rotation and takes advantage of the different terrain and space constraints of the site. The 68 battery stacks are stored in four on-site containers, each of which also contains an HVAC system to control temperature and humidity. Fire suppression measures are in place for further safety. The batteries will be used to store energy, discharging it during peak demand hours to reduce overall energy costs and save money for Holy Cross Energy members.

Sam Whelan, Holy Cross Energy’s Vice President of Power Supply states “The HCE/CMC solar plus storage project is a great example of a win-win renewable project. Not only does the project assist both HCE and CMC toward their renewable and carbon goals, but the battery also provides us with the flexibility to operate an increasingly renewable portfolio. To top it all off, we’re able to do this in a financially responsible way that saves money for all our members.”The annual offset of greenhouse gas emissions from this project is 6,853 metric tons of carbon dioxide equivalent, or the same as removing 1,481 passenger vehicles from the road or saving 7,551,051 pounds of coal every year. Three CMC campuses, including Vail Valley, Aspen, and Spring Valley, will receive power from this new installation.