---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-26-034108"
form_type: "8-K"
ticker: "AMRC"
cik: "0001488139"
company_name: "Ameresco, Inc."
filed_at: "2026-05-12T20:10:51+00:00"
generated_at: "2026-05-12T20:59:28.102071+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Ameresco closes biogas JV with HASI; receives $100M, retains 70% stake

## Summary
- Closed joint venture Neogenyx Fuels with HASI on May 12, 2026; Ameresco contributed its biogas business.
- HASI committed $400M: $100M paid to Ameresco at closing, ~$58M used to repay a construction loan.
- Ameresco holds 70% Class A units; HASI holds 30% Class B units in the joint venture.
- Remaining HASI investment to be contributed to the JV over time after closing.

## SEC filing metadata
- accession: 0001628280-26-034108
- form_type: 8-K
- ticker: AMRC
- cik: 0001488139
- company_name: Ameresco, Inc.
- filed_at: 2026-05-12T20:10:51+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 2.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1488139/000162828026034108/0001628280-26-034108-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1488139/000162828026034108/amrc-20260512.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-26-034108
- JSON: https://secwatch.observer/filing/0001628280-26-034108.json
- Plain text: https://secwatch.observer/filing/0001628280-26-034108.txt

## Key facts
- M&A Transactions
  Ameresco, Inc. completed a disposition involving an affiliate of HA Sustainable Infrastructure Capital, Inc. (HASI) for $400 million (closed 2026-05-12).
  - Action: disposition
  - Counterparty: an affiliate of HA Sustainable Infrastructure Capital, Inc. (HASI)
  - Consideration: $400 million
  - Closing: 2026-05-12
  source text: with related assumed liabilities, in exchange for Class A units of the Joint Venture, representing a 70% equity interest of the Joint Venture and JV Investor committed to invest $400 million in the Business, in exchange for Class B units of the Joint Venture, representing a 30% equity interest of the Joint Venture. Of the $400 million investment: (i) $100 million was
  evidence_url: https://www.sec.gov/Archives/edgar/data/1488139/000162828026034108/0001628280-26-034108-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.