MS HB851

Extends the repeal date of Section 57-39-21 from July 1, 2019 to July 1, 2022, keeping energy efficiency standards in effect for three additional years.

Requires buildings designed, directed, constructed, or altered after July 1, 2013 to meet energy code standards based on American Society of Heating, Refrigeration and Air-Conditioning Engineers Standard 90.1-2010.

Applies standards to public assembly, educational, office, institutional, commercial, and state-owned buildings that include heating, cooling, or hot water systems.

Exempts buildings with low energy usage (less than 3.4 BTU per hour per square foot), unheated/uncooled structures, mobile homes, privately-owned noncommercial buildings, and federally-owned buildings.

Authorizes local governing authorities to enforce standards and adopt penalties for violations, with inspection fees capped at $150.00; state-owned buildings enforced by the building commission.