Testing Best-Effort Solar

Most rooftop solar installs don't provide power when the grid is down. The primary goal is to avoid sending power out to the grid where it could injure people working to restore power, but more recently it's been expanded to avoid energized lines extending out from the panel where they could injure a firefighter on the roof. When we installed solar in 2018 we selected an inverter which offers an outlet that provides best-effort power ("Secure Power Supply") during grid outages when the sun is sh...