Colo. Rev. Stat. § 38-5-105
Such telegraph, telephone, electric light power, gas, or pipeline company or such city or town is vested with the power of eminent domain, and authorized to proceed to obtain rights-of-way for poles, wires, pipes, regulator stations, substations, and systems for such purposes by means thereof. Whenever such company or such city or town is unable to secure by deed, contract, or agreement such rights-of-way for such purposes over, under, across, and upon the lands, property, privileges, rights-of-way, or easements of persons or corporations, it shall be lawful for such telegraph, telephone, electric light power, gas, or pipeline company or any city or town owning electric power producing or distribution facilities to acquire such title in the manner now provided by law for the exercise of the right of eminent domain and in the manner as set forth in this article.
C.R.S. § 38-5-105