House committee substitute to the 2nd edition makes the following changes.

Further amends GS 143-135.37 regarding energy and water use standards for public major facility construction and renovations projects. Amends subsection (c1) to require every major facility construction project or major facility renovation project of a public agency to, whenever practicable, maintain or restore predevelopment hydrology to reduce the rate and volume of stormwater runoff. 

Adds to Section 4 of the act, which requires every State agency and State institution of higher learning to (1) conduct a preliminary practicality and feasibility analysis of implementing energy conservation measures for all buildings greater than 20,000 square feet in size that have been in use for more than 10 years and issue requests for proposal for guaranteed energy savings contracts for those which it determines it is practical and economically feasible to implement energy conservation measures or report findings of impracticality to the State Energy Office, and (2) repeat the process for buildings greater than 10,000 square feet in size that have been in use for more than 10 years. Provides that a State agency or State institution of higher learning can include additional improvements and upgrades to provide healthy indoor environments, increase resilience, conserve water resources, and apply to building sustainability rating or certification systems in implementing the Section's directives.