if you want to get an evaluation done, contact a distributor of the Dow Solar Shingle system.
They are capable of calculating your loads, required storage, and feedback rate to the grid.
and they will price a complete system for you. that is one data point, then from that you can use their numbers to calculate other options.
whether or not any of it makes sense for you personally, is a call you'd have to make after having a solid analysis completed.