RealEstateRama explains how four key changes in the area of energy efficiency in the 2015 IgCC will help jurisdictions who want to meet energy goals improve the energy performance of their buildings.  They are as follows: the addition of an outcome-based compliance pathway; an update to the Zero Energy Performance Index (zEPI); revisions to requirements for the safe installation of minimum levels of onsite renewable energy systems, or for verified Renewable Energy Credits where renewable energy is not accessible; and revisions to demand response provisions which rely on the use of smart thermostats for this purpose. Read More at RealEstateRama