NEW YORK--(BUSINESS WIRE)--Kroll Bond Rating Agency (KBRA) assigns a preliminary rating of AA(sf) to HERO Funding Trust 2015-2 Class A Notes (HERO 2015-2). The notes are newly issued asset-backed securities backed by a portfolio of Property Assessed Clean Energy (PACE) bonds. The notes are secured by 18 limited obligation improvement bonds, issued by Western Riverside Council of Governments (WRCOG) and San Bernardino Associated Governments (SANBAG). The PACE bond portfolio is secured by 7,558 P