Fuel cells is the way to go! You can run them off hydrogen or ethanol most commonly. The beauty is that they are extremely quiet and produce water as a waste product.
They are considered the next "engine" for vehicles. and eventually there will be a surplus of used ones to tinker with. We had a 5KW one for about $15 a W all in. Part of our plan was to make a power plant by filling a container skid with them, about 100KW for a 40'. We were famous as one of the largest venture failures in our area because our CTO was covering up that the product degraded too fast.
The beauty of the system is that it can heat water, so perfect for your showers!
To be most efficient you could use liquid hydrogen. That would give you the most bang for your buck.
Here is a liquid hydrogen dewar (vacuum bottle) for refrigerated gases.
(BTW diesel generators are used on film sets. A standard brand is the MQ WhisperWatt. They are about 10dB quieter than a Honda 2000i. Your neighbors will thank you.)
I think Sham is on the right track, just lay a cable from the NV Power Empire substation. Or do a contract with a private landowner nearby to drill a geothermal well. It will only take about 10 years to get a permit.