I have a similar system, and I sell back for about 80% of daylight hours. That credit covers all of my other needs in the summer (and then some), and about hal

I have a similar system, and I sell back for about 80% of daylight hours. That credit covers all of my other needs in the summer (and then some), and about half of my usage during the winter months. When you originally design the system, you use current rates and policies to create a system that generates at most a net zero usage.