I don't know. But if I'm approached by one of these guys I would do a sit downv and evaluate the model. Places with a lot of sun are great for solar. 

I've set up a solar farm before and a 16 by 10 foot array can kill you if it's energized improperly. 

Bell_curve

You can sit down with them and do the numbers. There had to be a very good incentive for them to up front invest in all of this and there had to be an incentive for you to give them some space to do so.

bitcoin_Mining

Anadro - Mine bitcoin with your roof

k00b

You can sit down with them and do the numbers. There had to be a very good incentive for them to up front invest in all of this and there had to be an incentive for you to give them some space to do so. 