Seattle City Light to Require New Standard for Solar Panel Inverters
Beginning July 1, 2024, all proposed inverter-based Distributed Energy Resources (DER) must use inverters certified under Underwriters Laboratories (UL) 1741 Supplement B (Standard for Safety Inverters, Converters, Controllers and Interconnection System Equipment for Use with Distributed Energy Resources, Supplement B and labeled as UL1741-SB) and Institute of Electrical and Electronics… [ Keep reading ]