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Maybe it's similar to BC, Canada. They're mostly hydro powered, so they already have clean energy that's fairly cheap. As a result, the economics for solar never made much sense.

However, with crazy-cheap panels and low hydro reservoirs due to climate change, solar now makes sense and it's appearing on more and more roof tops.

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Rooftop is not very cost effective. It works for individuals because of awkward rules about what they owe for society maintaining their access to the larger grid. It’s much more expensive than a dedicated utility scale solar plant overall

BC being extremely mountainous and relatively cloudy can't help either.

Yes, the valleys and rain don’t help either. The interior gets a lot of sun though, especially the Okanagan.

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