(1) Upon request by an electrical, gas, or thermal energy company, the commission may approve a tariff schedule that contains rates or charges for energy conservation measures, services, or payments provided to individual property owners or customers. The tariff schedule shall require the electrical, gas, or thermal energy company to enter into an agreement with the property owner or customer receiving services at the time the conservation measures, services, or payments are initially provided. The tariff schedule may allow for the payment of the rates or charges over a period of time and for the application of the payment obligation to successive property owners or customers at the premises where the conservation measures or services were installed or performed or with respect to which the conservation payments were made.
(2) The electrical, gas, or thermal energy company shall record a notice of a payment obligation, containing a legal description, resulting from an agreement under this section with the county auditor or recording officer as provided in RCW 65.04.030.
(3) The commission may prescribe by rule other methods by which an electrical, gas, or thermal energy company shall notify property owners or customers of any such payment obligation.