[flyinghamster]

> So the Amish are allowed to use electricity, just not from the public grid? Generators seem like a weird loophole to their own rules.

That depends greatly on the congregation. Each congregation sets its own rules on how to deal with technology. "Not inside the home" is a very common technological limit. Cell phones might be stored in a shed, fed by solar chargers, for use out in the field. A workshop might have electricity from a wind/solar installation or even a diesel generator, but not the attached house.