The Ontario Off Grid Pump Guide: Well Pump Surge, SoftStart Well, and the $65 Fix That Saves a $500 Inverter Upgrade
The most common off grid pump mistake is sizing the inverter to the well pump’s running watts. The nameplate on a 1/2 HP submersible well pump in a Wellington County drilled well reads 800 to 900W running. Without a [SoftStart Well](https://www.amazon.com/dp/B0FQ4G4Q7L?tag=gridfreegui0b-20), the startup surge reaches approximately 2,800W for the first 3 to 5 seconds of









