10/14/2026
The number that surprises solar shoppers: about 2 seconds. That’s roughly how fast your inverter must shut down when the grid drops — required by the national interconnection standard, for line-worker safety. Solar + battery is what rides through. How it all works 👉 https://etwenergy.com/blog/solar-panels-power-outage/?utm_source=facebook&utm_medium=social&utm_campaign=grid_off&utm_content=g2