There is no game to the system with SRP and to be honest I doubt Sun Valley vs Tesla would be much of a difference. It’s pretty upfront in SRP territory on what to expect if you do your homework.
I would go with the cheapest option that made sense. Solar panels are a commodity, so at the end of the day the goal to me is who will offer me the best price. Don’t get caught up in the panel name brand game. That can be a discussion for another thread and I’m sure it’s been discussed numerous times here, so I’m going to avoid going any further on that topic.
I do agree that the goal is to reduce demand costs during peek hours and that is where the PWs come in to play.
Just found this article that explains the SRP rate plans, doesn’t get into solar much.
Are you on the least expensive SRP rate plan? Half of customers in Arizona are not