That's astonishing that Amazon builds its own "switch gears" software, as the article calls it. I assume these are the Automatic Transfer Switches (ATS) that co

That's astonishing that Amazon builds its own "switch gears" software, as the article calls it. I assume these are the Automatic Transfer Switches (ATS) that connect to battery power or generator power when there's a main power failure. It may be that they want to go back onto main power using their own criteria for stability.