This gives consumers who want a way to get into solar a low-cost, low-risk entry point where they'll probably break even, do a little better, or at least be somewhere in that neighborhood month to month. There is a $1,500 removal fee (which could be done for private contractors for less) but that's also kind of peanuts for anybody who's looked into solar and realized the massive up-front investment. I know that's why my house doesn't have solar.
For Tesla this gives them them the ability to ramp up production, have a huge testing base, and start lowering costs while raising quality. If costs get low enough and quality high enough they could push solar technology to the point that it makes sense for the average consumer to purchase off the shelf. Short of that they're getting a whole bunch of solar panels out there.
Talk about a win-win, this is amazing.
edit: I just woke up and kind of jumped the gun here, didn't even realize I was looking at the 'commercial solar' page.....but it's too late to delete this comment. I do think it's a really cool business model and it's also really cool that SunRun has been doing it, too.