My suggestions....I have a portable gas generator. I have my home ( I live in the country, well water, septic, propane, city elec) wired with a box outside that I can disable "city" power and enable the portable generator. It is wired to the important items, furnace, water pump, sump pump, refrigerator , hot water tank, and some lights and some outlets. ( if I have no elec then I have no well pump thus no flushing toilets) Whole home systems are nice but expensive at least for me. You can also but generators the are tri fuel to . I think you can still find them. They will run on gas or propane or natural gas. So mine being portable ( on wheels) I can use it at other places on my property or take it with me.
