Along with Tesla and Space X, Musk also owns SolarCity, PV company and installer. I'm sure Tesla will have PV on the Gigafactory, they try to install solar power to offset what the Supercharger stations use.
The issue is with the state of Nevada. They recently changed the residential incentive program for solar power to favor the big utility.
"Effective Jan. 1, the new tariffs will gradually increase until they triple monthly fees that solar users pay to use the electric grid and cut by three-quarters users’ reimbursements for feeding electricity into it."
http://www.nytimes.com/2016/02/01/op...nd-switch.html
Companies like SolarCity have left the state because of it. I agree that home PV owners shouldn't get retail rates for the electricity they put into the grid; it should be the wholesale rate at the time of production. Being retroactive, this change in Nevada was just meant to kill off residents from making their own power.
Now, if said residents want to give the Nevada utility a big FU, and go off grid, Tesla sells battery units that will help them do so.
14Corolla 
Threaded Mode
