I need ideas for living off grid alone.

No Offense; The sooner you abandon this phase the better.

If you need ideas from other people then youre not ready yet

You may be best off finding books on the subject.
Or, contact a white nationalists group. Seems a lot of them are into that whole not being part of society ideal.

Wire for 12 volts or 24 volts, use inexpensive true LED lights.

Utilize a pool for cooling, like a heat pump using thermo ceramics

Keep batteries handy

Get a railroad car, insulate it, furnish with a cot, freezer, and a generator- then cover it with dirt ( bury it) leaving one side (door) open.

be very certain about what you're eating/growing. sorta the way the 'into the wild guy' ended up dying.

Buy a tent.