Compare economic and environmental impacts of replacing coal-burning power plants with PV generation. Hypothetically a PV generation plant installed on an area of 300 mi by 300 mi in a desert in the...

Compare economic and environmental impacts of replacing coal-burning power plants with PV generation.

Hypothetically a PV generation plant installed on an area of 300 mi by 300 mi in a desert in the Western US can generate enough power to supply the whole country. Is such an idea feasible?