Solis 150kW Three Phase String Inverter: The C&I Workhorse Built for High-Power Projects Commercial and industrial solar projects have outgrown entry-level inverters. When you're designing a rooftop system for a factory, a logistics hub, or a large commercial complex, you need an inverter... 150kW Inverter Nastech Solar Solis Inverter String Inverter Jul 17, 2026