Oregon Homeowner's Solar Backup System Experiences Production Halt During Outage Test
An Oregon homeowner conducting a test of their solar backup system encountered an unexpected issue where their solar panels ceased producing electricity when the house went off-grid. The system, installed in December 2025 in Portland's West Hills, includes 15.5 kilowatts of solar capacity and three 5P batteries. During the test, with Full Backup mode and PowerMatch enabled, the batteries successfully powered the home without interruption. However, the solar panels, which were generating approximately 9 kilowatts before the switch, stopped producing power. Production resumed only after the battery charge dropped to 85%. A similar shutoff occurred when the batteries reached approximately 98% charge after being replenished by the panels. The homeowner reported that an app error also prevented reconnection to the grid after the test, despite utility power being available.
