Md. Code, Public Utilities § 7–1105

(a) An electric company, a gas company, or a water company may own, manage, and recover costs associated with a thermal energy network system subject to the approval of the Commission.

(b) An electric company, a gas company, or a water company may drill a geothermal borehole in a public utility right–of–way where feasible to meet the requirements of this subtitle.