Hannon Armstrong Sustainable Infrastructure Capital, Inc. Annual report pursuant to Section 13 and 15(d)

Defined Contribution Plan	12 Months Ended
Defined Contribution Plan	Dec. 31, 2014
Compensation and Retirement Disclosure [Abstract]
Defined Contribution Plan	10. Defined Contribution Plan We administer a 401(k) savings plan, a defined contribution plan covering substantially all of our employees. Employees in the plan may contribute up to the maximum annual IRS limit before taxes via payroll deduction. Under the plan, we provide a dollar for dollar match for the first 3% of the employee’s contributions and a $0.50 per dollar match for the next 2% of employee contributions. We contributed $0.2 million, $0.2 million, and $0.1 million under the plan for the years ended December 31, 2014, 2013, and September 30, 2012, respectively.

The entire disclosure for pension and other postretirement benefits.