Not an answer to your question, but I was amazed at how wildly varied the pricing was when I was getting estimates. This was a few years back and I didn't go with it at the time, so I forget what the exact estimates were. But I remember that the highest was literally double the price of the lowest for all the same equipment. All I'm saying is don't trust any pricing you get from folks online, and do get a lot of estimates.
Probably prices now are much lower than they were a few years ago, since solar modules are now at a historically low price that is one third of their price in early 02023.