I just cannot believe anyone would do this. Meaning, if there was a fire or something, my guess is when insurance found this out, they would not cover.Actually, what you put about how you had a 125A installed during inspection but then you swapped out 150A after the inspector left was the exact thing that PG&E told me that "shady" solar companies do all the time. He said shady companies cut corners and do stupid stuff behind inspectors backs because they only want to make a quick buck.
It's why he took it as a personal mission to stop my installation. He said Sunrun was shady, and would make my house unsafe. So he was "protecting me" since solar companies don't have the interest of the homeowner in mind. Of course, PG&E only has my best interest in mind... yep. But your story kind of reinforces why PG&E didn't trust me. They thought Sunrun would do what Tesla did for you; and make my MSP "unsafe". And since my MSP was near my gas riser, that's just a big BOOOOOOM waiting to happen.
And it wasn't just him that had the issue. Some (not all) of the folks at the PG&E planning department in their Diablo office also said the same thing. They felt the larger busbar in the solar-ready panels was inherently less safe. So solar companies using like-for-like to add bigger busbars is not allowed per the Greenbook due to safety concerns.
And when one goes to sell, if this was not disclosed, law suit potential!
My installers took pictures of EVERYTHING! So if I or anyone else changed anything, then no warranty!
I had to put a 125amp in place of my 200 amp breaker when I put solar in, But with the battery install, and the GW being 200amps, they were legally able to put the 200 amp breaker back in my MSP.