However, broad policy changes, such as the reduction in the corporate income tax rate to 21 percent and 100 percent bonus depreciation for certain assets, provided benefits to conventional and renewable energy firms alike.[17] Marathon Capital, an investment bank focused on energy and infrastructure, estimated that 100 percent bonus depreciation would increase project-level returns for wind projects by 50-60 basis points, and solar projects by 40-50 basis points, but the impact on investment was… [read post]