Solar.
I have 2.8kW DC (keeps 25kWh of batteries topped up and feeds back to the grid) and 2.1kW ACPV (AC solar modules).
That's how I fight the utility (Reliant). Bill last month was $2.30 (I paid $43.00 -- I'm on average billing, tho my new Leaf SV will make that go up, unless I add more...