NEW YORK–(BUSINESS WIRE)–Kroll Bond Rating Agency (KBRA) assigns a preliminary rating to one note class issued by SunStrong 2018-1 Issuer, LLC. The transaction is secured by the equity interests of the managing members in the related project companies that, in the aggregate, own a portfolio of 37,568 leases associated with residential solar photovoltaic installations (“PV Systems”). Cash flow related to the portfolio is net of operations and maintenance expenses, administrative and insurance