Utility Interconnection Requirements for Solar Installers: The 6 Rules Every Utility Enforces
interconnection agreement, UL 1741 and IEEE 1547 certified inverters, a utility-accessible AC disconnect switch, proper metering, Permission to Operate (PTO), and system size or export limits. Every utility enforces its own version of these before a system can legally connect to the grid. Passing a local AHJ inspection is only half the job. Before a […]

