Hannon Armstrong Sustainable Infrastructure

Does the core business genuinely avoid or reduce emissions, or build climate resilience? Share of revenue that is actually 'green'. Fossil-dependent models score low.

HASI's entire portfolio is exclusively deployed into climate solutions — solar, wind, energy efficiency, RNG, and sustainable land — avoiding an estimated 8+ million metric tons of CO2 annually across managed assets, with 872,000 metric tons avoided from 2024 originations alone; however, as a financial enabler rather than direct operator, the avoided-emissions attribution methodology (CarbonCount®) is proprietary and not independently audited to PCAF Grade 1 standards.

Credible, science-based targets (SBTi), a real net-zero plan with progress to date, and CDP disclosure — not just a dated press release.

HASI established a net-zero-by-2050 target framework using SBTi foundations in 2021 and validated it through the Net Zero Asset Managers Alliance, and is a GFANZ member — but as of available disclosures the corporate-level target has not received formal SBTi approval, no interim 2030 science-based reduction pathway for financed emissions has been independently validated, and the 2022 CDP 'A' rating has not been publicly confirmed as renewed for 2023 or 2024.

Operational footprint, labour and social practices, and governance quality across the company's own operations and supply chain.

HASI employs only ~158 people (small operational footprint), discloses human capital metrics, supports a Foundation funding climate-focused scholarships at HBCUs, is a UN Global Compact signatory, and links executive compensation to ESG outcomes; governance is adequate for a C-Corp post-2024 REIT conversion but the small firm size limits breadth of labor and supply-chain disclosures.

Quality of disclosure, independent third-party verification, and how much hard data backs the company's claims.

HASI publishes an annual Sustainability and Impact Report, discloses TCFD-aligned climate risks, reports corporate Scope 1–3 emissions under PCAF (from 2022), tracks CarbonCount® on every investment, and achieved CDP 'A' in 2022; however, the Sustainability Report is not filed with or verified by the SEC, avoided-emissions figures are self-calculated via a proprietary model without confirmed third-party assurance, and PCAF reporting quality tier for financed emissions has not been publicly disclosed.

Controversies, litigation, pollution, fossil-fuel lobbying, conflict-zone involvement and governance scandals. Higher means cleaner.

Multiple plaintiff securities law firms launched formal investigations into HASI in mid-2022 over potential securities violations, and a fresh shareholder investigation was flagged in April 2025 — while no confirmed adverse judgment has been identified in public records, the pattern of repeated securities investigation alerts is a meaningful governance yellow flag for an investor-grade profile.