I respect the man for having ideals and trying to live up to them.
Of course he has fresh water. That comes from his pipes. Some requires transport from the Colorado River and that uses fuel. Some requires desalination from the Pacific Ocean and that uses fuel. With a water bill comes a related sewer bill. Sewer and effluent treatment require chemicals and fuel.
Of course he has batteries. That's how his solar cell provides his DC power. Both solar cells and batteries cost exotic chemicals/components, and take fuel to produce. Solar cells don't degrade as much over time but the typical deep-cycle battery requires replacement every 24-36 months [depending on the charge, cycle, use, etc.]. This also applies to the TMO cellphone battery he uses to power his TMO Internet.
Of course he buys his clothes from China - has them shipped - and throws away old clothes. This way instead of using water and detergent and some electricity (or some 25 coins and a laundramatt) he uses a lot of jet fuel, some delivery truck fuel, throws away cardboard boxes and plastic wrappers (think hydrocarbons which could be used as fuel, and fuel itself). He feels better because he donates his old clothes. I'm not sure that he thought about this much because ***ALL THE OLD CLOTHES HE DONATES ARE WASHED BY GOODWILL*** or whomever prior to putting on the shelf. So he costs the environment more, not less.
Lastly... that TMO Internet again... he is one of the people who encourages TMO to have towers. Towers have little generators on them so they don't lose power in storms, power outages, etc. Those use fuel which goes bad after a year and must be replaced. That means once a year cellphone tower generator fuel tanks are purged and dumped and new fuel is acquired and put in the tank. [Yes, some carriers have a 2yr schedule and some don't discuss their schedule, but if we're talking ideal... here you go.]
It's good to have ideals. It's nice try and live by them.
Tucson, AZ, where 4 months out of the year the temperature is above 100F and the humidity above 40% so if you don't have an air-conditioner using direct-expansion gas (not a "swamp-cooler" or "mister") you will bake. They don't make any that run on DC. Even if they did, that would be a LOT of solar cells!