The 30% federal tax credit allows businesses to offset their tax liability. Additionally, for unused tax credits, each one can be carried back one year and forward 20 years. This assures that all credits can be fully utilized!
To help recoup the cost of commercial solar, each business can depreciate the system over a 5 year period. The depreciation schedule follows the 5 year property half year convention:
Read more about the federal tax incentives.