Energy Performance Contracts is a business model that helps building owners benefit to improve energy efficiency with no initial investments and paid by project savings over the extended period.
Install solar electric power system before the end of 2019, you can claim 30 percent of the cost as a tax credit for the year you installed it.
As a credit, you take the amount directly off your tax payment, rather than as a deduction from your taxable income. You can claim the credit for your primary residence, a vacation home, and for either an existing structure or new construction. Other than the cost of the system, there's no limit to the dollar amount of the credit.