HA Sustainable Infrastructure Capital Inc Dossier
Qualitative Analysis
Business overview
HA Sustainable Infrastructure Capital, Inc. (HASI) is a leading specialty finance firm and investor dedicated entirely to climate solutions and sustainable infrastructure assets that advance the energy transition. Transitioning from its historical yield-oriented REIT structure, HASI operates as a high-return infrastructure financing platform. The company provides structured capital—including loans, preferred equity, and equity method investments—to programmatic developers and operators across three primary climate solution markets: Behind-the-Meter (BTM), Grid-Connected (GC), and Fuels, Transport, and Nature (FTN). HASI leverages programmatic client partnerships and co-investment vehicles, such as CarbonCount Holdings 1 LLC (CCH1) established with KKR, to scale its managed assets efficiently while generating recurring net investment income and fee-based revenues.
Research as of 19 Jun 2026
Strategic Initiatives
Growth programs, investments, and their expected impact
A strategic partnership established with KKR to invest in clean energy assets across the United States. The vehicle allows HASI to migrate to a more capital-light model, reducing reliance on public equity markets for growth while earning fee income.
Expected impact: Enhances ROE through fee income and private capital access, while supporting the deployment of capital into sustainable infrastructure projects.
Revocation of REIT status effective January 1, 2024, to operate as a taxable C Corporation.
Expected impact: Provides flexibility to pursue strategic initiatives without the constraints of complying with REIT requirements, allowing investments in power generating, transportation, and alternative fuel assets.
Mergers, Acquisitions & Partnerships
Recent deals and strategic collaborations
Strategic Partnerships
High. Spins off Ameresco's biofuels business into a newly formed joint venture, Neogenyx Fuels, owned 70% by Ameresco and 30% by HASI. It positions the platform to scale rapidly as a premier developer, owner, and operator of advanced biofuels and renewable natural gas (RNG) projects in the U.S.
Terms: Represents a $1.8 billion post-money enterprise value. HASI committed to invest $400 million, including $300 million directly into Neogenyx Fuels to fund organic growth and $100 million in direct compensation to Ameresco.
High. Provides long-term capital solutions for sustainable infrastructure projects across the United States, focusing on behind-the-meter, grid-connected, renewable natural gas, and transport projects.
Terms: Initially established with up to $2 billion in commitments. Upsized in December 2025 with an additional $500 million commitment from each partner, bringing the combined capital commitment to $3 billion and total investment capacity to nearly $5 billion.