FWIW
my cabin is off grid but only am there 3-5 nights a year.
4 kW genset for power tools
microhydro of about 400 W from small stream and crossflow turbine and custom gear driven generator. Have 1kW inverter, could have a 50 or so kWhr batterybank that would be float charged from the hydro if I wanted, but no need. 400W enough for everything except power tools.
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