Simply put, yes! Calgary is a great place for solar. This is a screenshot of the PV potential map from provided HERE, by the City of Calgary.
Yes! Solar grant programs are available for Calgary residents and business owners alike. They are evolving constantly, and will continue to do so- especially with the declaration of a climate emergency.
Again, yes. Financing is available through multiple lenders. The two that Rocky Mountain has worked with most closely are ATB for residential projects, and HSBC for commercial projects.