APPLICABILITY.

(a) This chapter does not apply to:

(1) except as provided by Subsection (b), a written agreement:

(A) entered into in this state for the sale or lease of a residential solar energy system; and

(B) pertaining to a residential property located outside this state; or

(2) a solar energy system:

(A) intended:

(i) for temporary or emergency use; or

(ii) to provide power to a single appliance;

(B) that:

(i) if combined with other systems that produce electricity, produces in combination with the other systems a total peak output power of less than one kilowatt; or

(ii) if not combined with other systems that produce electricity, is designed to produce a peak output power of less than one kilowatt; or

(C) sold or leased:

(i) for commercial purposes, including a solar energy system installed on the premises of a nonresidential property;

(ii) to provide power to a multifamily dwelling that exceeds four dwelling units or stories;

(iii) before September 1, 2025; or

(iv) in connection with new residential construction.

(b) This chapter applies to any residential solar retail occurring in this state in connection with an agreement described by Subsection (a)(1).