Ameresco, Inc. 2025 Annual Report (10-K) Summary
Business Context and Reporting Period
Company: Ameresco, Inc. (AMRC)
Reporting Period: Fiscal year ended December 31, 2025
Business Overview: Ameresco is a leading energy infrastructure solutions provider focused on energy efficiency, renewable energy, and smart grid solutions. The company serves federal, state, and local governments, utilities, and commercial/industrial clients across North America and Europe. Its portfolio includes Energy Savings Performance Contracts (ESPCs), Power Purchase Agreements (PPAs), and the development of small-scale renewable energy assets (solar, biogas, battery storage).
Operations: As of December 31, 2025, the company operated 227 small-scale renewable energy plants with a combined capacity of approximately 838 MWe and employed approximately 1,600 professionals across 60 offices.
Key Financial Metrics
| Metric (in thousands) | 2025 | 2024 | Change |
|---|---|---|---|
| Revenues | $1,932,126 | $1,769,928 | +9.2% |
| Gross Profit | $304,013 | $256,091 | +18.7% |
| Gross Margin | 15.7% | 14.5% | +120 bps |
| Operating Income | $123,178 | $108,745 | +13.3% |
| Net Income | $56,675 | $53,940 | +5.1% |
| Net Income Attributable to Common Shareholders | $44,284 | $56,757 | -22.0% |
| Diluted EPS | $0.83 | $1.07 | -22.4% |
| Cash and Cash Equivalents | $71,785 | $108,516 | -33.8% |
| Working Capital | $523,621 | $412,126 | +27.0% |
| Total Debt (Gross) | $1,936,831 | $1,674,187 | +15.7% |
| Operating Cash Flow | $(80,360) | $117,598 | Significant Decline |
Material Changes vs. Prior Period
- Revenue Growth: Total revenue increased by $162.2 million (9.2%), driven primarily by a $278.4 million (111.1%) surge in the Europe segment and growth in North America Regions energy assets. This was partially offset by a 21.4% decline in U.S. Federal revenue due to project timing and a reversal of previously recognized revenue on a solar project sale.
- Profitability: Gross margin improved to 15.7% from 14.5% due to a more favorable mix of higher-margin projects. Operating income rose 13.3% to $123.2 million.
- Asset Impairments: Asset impairment charges decreased significantly to $3.7 million in 2025 from $12.4 million in 2024. The 2024 charge was largely driven by a landfill gas asset and solar panels, whereas 2025 charges were primarily related to equipment failures.
- Net Income Attributable to Shareholders: Despite an increase in total net income, net income attributable to common shareholders decreased by 22.0% to $44.3 million. This was caused by a significant increase in net income attributable to non-controlling interests ($12.4 million in 2025 vs. $2.8 million in 2024).
- Cash Flow: Operating cash flow turned negative at $(80.4) million, a sharp reversal from the $117.6 million positive flow in 2024. This was driven by increased cash outflows for unbilled revenue ($245.9 million), prepaid expenses ($93.2 million), and deferred revenue ($57.2 million), partially offset by collections from accounts receivable.
Guidance, Outlook, Risks, and Contingencies
- Backlog: As of December 31, 2025, fully-contracted project backlog was $2.47 billion, and awarded (not yet signed) backlog was $2.57 billion. O&M backlog stood at $1.47 billion. Management expects to recognize approximately 30% of the fully-contracted backlog in the next 12 months.
- Regulatory Environment: The company faces uncertainty regarding the "One Big Beautiful Bill Act" (OBBB), which phases out clean electricity investment credits (ITC) for solar and battery projects starting construction more than 12 months after enactment or placed in service after December 31, 2027. The Section 179D deduction for energy-efficient commercial buildings ends for projects starting after June 30, 2026.
- Key Contingency (SCE Agreement): Ameresco is in dispute with Southern California Edison (SCE) regarding liquidated damages for delays on three battery energy storage projects. While two projects reached substantial completion in 2024, the resolution of liquidated damages (up to $89 million) and force majeure relief remains disputed. Management believes damages should not apply, but acknowledges the risk.
- Supplier Bankruptcy: Powin LLC, a key battery energy storage system supplier, filed for Chapter 11 bankruptcy in June 2025. Ameresco has $26.7 million in deposits recorded as other assets with no loss accrued yet, as the outcome is uncertain.
- Liquidity: The company maintains a $225 million revolving credit facility with $45.1 million available as of year-end. Management believes current resources will fund operations through at least March 2027.
Investor Verification Checklist
- SCE Dispute Resolution: Verify the status of negotiations with Southern California Edison regarding the potential $89 million in liquidated damages and the likelihood of force majeure relief.
- Powin LLC Recovery: Monitor the bankruptcy proceedings of Powin LLC to assess the recoverability of the $26.7 million in deposits.
- Operating Cash Flow Trends: Analyze the drivers behind the negative operating cash flow in 2025, specifically the timing of unbilled revenue and prepaid expenses, to ensure it is not indicative of a structural liquidity issue.
- Non-Controlling Interest Impact: Review the composition of non-controlling interests to understand the volatility in net income attributable to common shareholders.
- Regulatory Compliance: Assess the impact of the OBBB and the expiration of the Section 179D deduction on the pipeline of projects scheduled for construction in 2026 and beyond.
- Europe Segment Sustainability: Confirm the sustainability of the 111% revenue growth in the Europe segment and the associated margin profile.