Fit Solar was founded in 2010. Fit Solar was founded in 2010. Since then, we've developed large-scale rooftop solar PV systems and continue to manage several projects we consider our own. We are the proud owners and operators of close to 1MW of green energy generation in the GTA, which is among many other accolades we have received over the last decade. Fit Solar is proud to announce an expansion of our services... Energy Storage Installations and Maintenance Services Fit solar can manage every aspect of energy storage and operation to help customers lower electricity costs. Innovative Battery Systems can be a key strategy for reducing operating costs in your company.