Building Energy Rules in Colorado
Some Colorado buildings must report energy use or meet energy goals. Rules depend on the city, the building size, and the building use. Always confirm with the city or state program before you act.
Last checked: September 1, 2026
Programs we track
Where to start
Energize Denver
Denver’s rule for larger business and apartment buildings. It covers yearly energy reports and energy goals over time.
Read the guideOther city and state rules
We add a rule page only after we can show the official source, the deadline, and the building types covered. If you know of a rule we are missing, tell us and we will check it.
Report an UpdateNot sure what applies to your building?
Start with the address. We will help you see the city, the possible utility, and the rules to check.