The point was that it was CONSIDERABLY lower. Like 1/4 of the output lower, that's very significant in terms of planning for resource adequacy for example. May not be something Joe Home Owner who just wants to plop panels on his property and get paid thinks about, but it's something your utility who is required to provide reliable electricity does.
And yes, location plays a huge role.
I know you are new to having panels. I'm quite interested to see what your first 365 days of output plotted will end up looking like. This is how resource planning views solar here in Ontario:
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And, as you know, I'm not against solar, but I think this sort of thing is beneficial for people curious about energy to know.