Hannon Armstrong Sustainable Infrastructure Capital, Inc. (NYSE: HASI) is a publicly traded real estate investment trust specializing in financing and investing in climate change solutions. Founded in 1988 and headquartered in Annapolis, Maryland, the company provides debt and equity capital to sustainable infrastructure projects across North America. Its mission is to support energy efficiency, renewable energy generation and resilient infrastructure, helping public and private sector clients reduce carbon emissions and achieve long-term environmental goals.
Hannon Armstrong’s core business activities include originating and structuring loans, acquiring debt and equity interests, and managing a diversified portfolio of projects in sectors such as solar energy, wind power, energy storage, green buildings, and sustainable agriculture. The company works closely with project developers, municipalities, corporations and utilities to finance retrofit programs, construction of new renewable energy facilities and the deployment of advanced energy technologies. By offering flexible financing solutions, Hannon Armstrong aims to accelerate the adoption of low-carbon infrastructure while seeking attractive risk-adjusted returns for shareholders.
Operating primarily in the United States, Hannon Armstrong maintains regional offices to support origination and asset management functions. The firm’s governance is overseen by an experienced board of directors, and its executive leadership is headed by President and Chief Executive Officer Jeffrey Eckel, who has guided the company’s growth since early 2021. Under his stewardship, the firm has strengthened its underwriting capabilities and expanded its presence in emerging climate solution markets.
As an early entrant in the climate finance sector, Hannon Armstrong has built a track record of backing clean energy and efficiency projects spanning multiple geographies and end-use segments. Its expertise in structuring complex financings and monitoring operational performance positions the company as a leading financier in the transition to a low-carbon economy.
