Business Context and Reporting Period
Company: Energy Vault Holdings, Inc. (NYSE: NRGV)
Filing Type: Form 10-K (Annual Report)
Period Ended: December 31, 2025
Business Overview: Energy Vault provides a diversified portfolio of energy storage solutions, including proprietary gravity (G-VAULT), battery (B-VAULT), and green hydrogen (H-VAULT) technologies. In 2025, the Company advanced its strategic transition from a build-and-transfer model to an "Own & Operate" model via its Asset Vault platform, which targets approximately 1.5 GW of energy storage capacity. Key milestones included the commercial operation of the Cross Trails BESS in Texas and the Calistoga Resiliency Center (CRC) in California.
Key Financial Metrics
| Metric | 2025 | 2024 |
|---|---|---|
| Revenue | $203.7 million | $46.2 million |
| Gross Profit | $48.0 million | $6.2 million |
| Gross Margin | 23.6% | 13.4% |
| Net Loss | $(103.7) million | $(135.8) million |
| Adjusted EBITDA (Non-GAAP) | $(21.2) million | $(58.0) million |
| Cash and Cash Equivalents | $58.3 million | $27.1 million |
| Total Debt (Principal) | $99.6 million | $0 |
| Backlog | $1.3 billion | $433.9 million |
| Net Bookings | $1.1 billion | $223.9 million |
Material Changes vs. Prior Period
- Revenue Growth: Revenue increased 341% year-over-year, driven primarily by a $151.6 million increase in energy storage product sales (EPC and EEQ models) and the commencement of tolling revenue from owned assets (Cross Trails and CRC).
- Profitability Improvement: Net loss narrowed by $32.2 million. Gross margin expanded to 23.6% from 13.4%, attributed to higher margins on product sales, a favorable mix of IP licensing revenue, and lower warranty expenses.
- Debt Financing: The Company significantly increased leverage to fund operations and asset acquisition. Total debt principal rose from $0 in 2024 to $99.6 million in 2025, including $65.0 million in Convertible Debentures and project-level senior notes for CRC and Cross Trails.
- Operating Expenses: Total operating expenses decreased by $13.8 million due to cost control measures, specifically reductions in R&D and Sales & Marketing headcount, partially offset by an $18.2 million increase in General & Administrative expenses related to the strategic shift to the Own & Operate model.
Guidance, Outlook, and Risks
Outlook and Strategy: Management expects to continue transitioning to an integrated model of developing, owning, and operating energy storage assets. The Asset Vault platform has secured a $300 million preferred equity commitment from Orion Infrastructure Capital (OIC). The Company is also exploring modular data center infrastructure for AI compute workloads in partnership with Crusoe.
Material Risks and Contingencies:
- Regulatory and Tax Policy: The "One Big Beautiful Bill Act" (OBBBA) enacted in July 2025 introduced new restrictions on tax credits for projects with ties to "Prohibited Foreign Entities" (PFE), creating uncertainty regarding eligibility for Technology Neutral Credits. Additionally, U.S. tariffs on lithium-ion batteries and steel/aluminum remain a significant cost risk.
- Liquidity and Capital Needs: The Company has a history of losses and expects to incur net losses for the foreseeable future. It relies on continued access to capital markets and project-level financing to fund its growth strategy.
- Supply Chain: The Company faces risks related to the availability and cost of battery components, particularly given trade tensions and tariffs affecting China-origin goods. It is actively pursuing alternative sourcing outside of China.
- Project Execution: Delays in permitting, interconnection, or construction could impact revenue recognition and cash flows from the backlog and owned assets.
Key Facts for Investor Verification
- Asset Vault Capitalization: Verify the status of the $300 million capital commitment from OIC and the terms of the redeemable non-controlling interest (Series A Preferred Units) issued to OIC.
- Debt Covenants: Review the specific financial covenants (e.g., minimum debt service coverage ratios) associated with the CRC Senior Notes and Cross Trails Senior Note to assess compliance risks.
- Tax Credit Monetization: Confirm the closing status and proceeds from the sale of Investment Tax Credits (ITCs) for the Cross Trails, CRC, and Snyder CDU projects, as these are critical for project economics.
- Backlog Realization: Assess the probability of converting the $1.3 billion backlog into revenue, noting that a significant portion ($490 million) is contingent on the exercise of an option to acquire a project.
- Convertible Debentures: Monitor the conversion activity of the $65 million Convertible Debentures issued to YA II PN, Ltd., including the impact of potential dilution and the "Amortization Event" triggers.