C.R.S. § 31-32-105: Cities or towns may erect utilities.

Nothing in this part 1 shall be construed as in any way modifying or restricting the right of cities or towns to purchase or erect electric light works, heating and cooling works and distribution systems for the distribution of heat and cooling obtained from geothermal resources, solar or wind energy, hydroelectric or renewable biomass resources, including waste and cogenerated heat, or gasworks in the manner provided for by law.