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Twenty four US states are now considering legislation to allow small, plug-in solar power systems that connect directly into a wall socket. (www.nytimes.com)

submitted 23 hours ago* (last edited 23 hours ago) by silence7@slrpnk.net to c/energy@slrpnk.net

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I'm a little wary of plug-in solar in the US. Some of the bills propose allowing 1200 watt panels which can overload wiring depending on what else is on the circuit and how in the wall wiring is run. Limiting plug-in panel wattage to, say, 400 watts might be necessary

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[–] cynar@lemmy.world 2 points 4 hours ago

I have a friend who works for the UK grid. He visibly winced when I mentioned the plug in back feeding systems a while back. They've had a few close calls with "off grid" setups being used on grid.

Apparently even properly installed solar is a serious problem, though that's more down to the sudden demand shifts it creates. It throws off their predictions and threatens grid stability at times.

I'm a big fan of solar, at all scales, btw. We just need to remember that the grid is not just a dumb system, it has a lot of active parts that were never designed or intended for use with microgeneration.