this post was submitted on 12 Mar 2026
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In the US, not necessarily. Connecting power generators to the grid without a permit from an electriction is technically illegal. Most utilities will charge you or even get you in trouble if it's reported to them, or you send power back through the meter, hence the standard approach is to dump the power into batteries and just run devices off that.
And even in places like Utah (which just legalized this), the battery-less panels are still expensive.
I don't know why. Maybe scaling+competition hasn't kicked in to bring prices down? It could also be that 120V inverters are less common and more expensive?