Hannon Armstrong Sustainable Infrastructure Capital, Inc. is a leading investor in sustainable infrastructure, including energy efficiency and renewable energy. The company provides capital to the leading companies in the energy efficiency and renewable energy markets. Hannon Armstrong Sustainable Infrastructure Capital, Inc. is committed to investing in sustainable infrastructure that reduces greenhouse gas emissions and mitigates climate change. The company has a long-term investment horizon and seeks to generate attractive risk-adjusted returns for its shareholders. Hannon Armstrong Sustainable Infrastructure Capital, Inc. was founded in 1981 and is headquartered in Annapolis, Maryland.