HA Sustainable Infrastructure Capital Inc (NYSE: HASI) is a specialty finance company that invests in sustainable infrastructure assets across the energy, environmental, and efficiency sectors. It makes money by deploying capital into debt and equity investments tied to clean energy and other sustainable infrastructure projects, earning interest income, equity returns, and fee income on its managed assets. The company operates as a real estate investment trust (REIT) structure adapted for infrastructure finance, distinguishing it from traditional REITs and placing it in a niche between infrastructure private equity and specialty lending. Based on the 10-K filed 2026-02-13 (accession 000156189426000007), the filing does not provide sufficient segment-level revenue detail, customer concentration data, or competitor names in the excerpts provided to support further specific quantification.

Revenue model

Interest income and equity returns from debt and equity investments in sustainable infrastructure projects, plus fee income from managed capital.

Products and services

Debt investments, equity investments, and managed asset vehicles focused on sustainable infrastructure including clean energy and efficiency projects.

Customers and end markets

Sustainable infrastructure project developers and operators across energy, environmental, and efficiency end markets.

Value-chain role

Specialty capital provider and asset manager for sustainable infrastructure projects.

Geographic exposure

United States (primary); additional geographic detail not supported by the provided filing excerpts.

Source: SEC 10-K, filed 2026-02-13

Industry: Investors, NEC Peers: AGNC Investment Corp Annaly Capital Management Inc Apollo Commercial Real Estate Finance Inc Arbor Realty Trust Inc Blackstone Mortgage Trust Inc Chimera Investment Corp Claros Mortgage Trust Inc Rithm Capital Corp Starwood Property Trust Inc