The laboratory shall develop at least three alternative methods for achieving a 15 percent greater potential energy savings in residential, commercial, and industrial construction than the potential energy savings of construction that is in minimum compliance with Section 388.003. The alternative methods:

1. (1) may include both prescriptive and performance-based approaches, such as the approach of the United States Environmental Protection Agency's Energy Star qualified new home labeling program; and

2. (2) must include an estimate of:

   1. (A) the implementation costs and energy savings to consumers; and
   2. (B) the related emissions reductions.

Added by Acts 2005, 79th Leg., Ch. 1095 (H.B. 2129), Sec. 4, eff. September 1, 2005.