Submitted by pencil_2b t3_z5dmih in massachusetts
thewags05 t1_ixwaezr wrote
If you truly want to not be connected to the power grid a 1000 gallon propane tank with propane furnace/boiler/hot water heater. That will be the most reliable heat and hot water.
Next for electricity estimate your power usage and get a significantly oversized solar system. Then install enough batteries to run everything for a few days without much solar.
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