Energy Vault (NRGV) Q2 2026: Backlog Surges 107% to $2B, Cementing AI Infrastructure Growth
Energy Vault's second quarter results highlight a robust execution of its integrated power infrastructure strategy, driven by AI compute demand and a $2 billion backlog. The company’s build-own-operate model is scaling rapidly, with recurring revenue streams gaining traction and margin expansion reinforcing financial health. Elevated backlog visibility and strategic asset acquisitions position Energy Vault for sustained growth into 2027 and beyond.
Summary
- Backlog Expansion Drives Visibility: Record backlog growth to $2 billion enhances near-term revenue clarity and long-term earnings stability.
- AI Infrastructure as Growth Engine: Strategic contracts and modular deployment accelerate Energy Vault’s leadership in high-demand compute power solutions.
- Capital and Execution Strength: Leadership additions and disciplined capital allocation underpin scaling owned asset portfolio and margin improvement.
Business Overview
Energy Vault operates as a global integrated power infrastructure platform, specializing in sustainable, grid-scale energy storage and AI compute infrastructure solutions. The company generates revenue primarily through two models: build-and-transfer projects, which deliver near-term revenue from third-party contracts, and build-own-operate projects, which create long-term recurring revenue streams from owned energy assets. Its major segments include energy storage systems, modular AI data center infrastructure, and integrated power generation solutions, serving utilities, independent power producers, industrial customers, and hyperscale data centers.
Performance Analysis
Energy Vault delivered $17.4 million in revenue for Q2 2026, a 104% year-over-year increase fueled by progress on Australian battery energy storage system (BESS) projects and initial contributions from U.S. AI infrastructure contracts. Gross margin expanded to 31%, a 140 basis point improvement, while adjusted gross margin, excluding non-cash depreciation tied to owned assets, surged nearly 900 basis points to 38.6%. This margin expansion signals not only volume growth but also improved project mix and operational execution.
Operating expenses rose to $23.7 million on an adjusted basis, reflecting investments in commercial support and project development to scale the AI infrastructure platform. Despite these higher expenses, the company narrowed its GAAP net loss to $29.7 million from $34.9 million a year ago, highlighting improved operational leverage. Cash reserves increased 26% sequentially to $148 million, marking the sixth consecutive quarter of cash growth and underscoring strong liquidity management amid rapid scaling.
- Contract Backlog Growth: Backlog nearly doubled year-over-year to $2 billion, with 60% tied to long-term owned and operated projects and 40% to near-term build-and-transfer contracts.
- Gigawatt Capacity Scaling: Global megawatts under operation, construction, and ready-to-build expanded 476% year-over-year to approximately 1.1 gigawatts, laying the foundation for $180 million in annualized EBITDA within 18 to 36 months.
- Margin and Revenue Guidance Raised: Full-year 2026 revenue guidance lifted to $270-310 million, with GAAP gross margin guidance tightened and raised to 20-25%, reflecting confidence in execution and project economics.
Overall, Energy Vault’s financial performance reflects a successful transition from early-stage project development to a more balanced portfolio combining near-term contract execution with long-term asset ownership, enhancing revenue predictability and margin quality.
Executive Commentary
"The second quarter financial results reflect continued strong execution of our growth plans while achieving record contract bookings growth highlighted by a milestone signing of our largest single contract to date of over half a billion. As a result of the operational and commercial progress achieved in the first half of the year and resulting increase in forward revenue visibility across our backlog, we are raising our full-year 2026 revenue guidance to $270-310 million and lifting our GAAP gross margin guidance to 20-25% at the high end of the range."
Robert Piconi, Chairman and Chief Executive Officer
"The gross margin performance is important because it demonstrates that the growth we are seeing is not simply volume-driven. Gross margin was exceptionally strong this quarter, and project mix and execution continues to support healthy economics as the business scales. Adjusted operating expenses reflect commercial support and project development to scale AI infrastructure platforms, and we remain focused on managing controllable OPEX while investing in growth where warranted."
Nitin Dahiya, Chief Financial Officer
Strategic Positioning
1. Scaling AI Compute Infrastructure with Modular Platforms
Energy Vault’s landmark 1.25 gigawatt agreement with a leading power generation EPC to deploy integrated gas generation and storage solutions for hyperscale data centers underscores its strategic focus on AI infrastructure. The modular, behind-the-meter platform facilitates rapid deployment, addressing grid constraints and enabling five nines (99.999%) power reliability, critical for AI workloads. This platform’s repeatability and scalability position Energy Vault to capitalize on the accelerating demand for AI compute power, with a significant revenue ramp expected in late 2026 and 2027.
2. Transitioning to Build-Own-Operate Model for Recurring Revenue
With approximately 60% of the $2 billion backlog linked to owned and operated assets, Energy Vault is deepening its focus on long-duration contracts that generate stable, multi-year recurring revenue. The company’s portfolio now includes 1.1 gigawatts under operation, construction, or ready-to-build, expected to yield $180 million in annualized EBITDA within three years. This strategic asset ownership enhances earnings visibility and aligns with the company’s goal of building a predictable, high-margin earnings base.
3. Geographic and Market Expansion in High-Growth Regions
Energy Vault continues to expand its footprint selectively in key markets such as the U.S., Australia, Japan, and Europe. The acquisition of an 850 megawatt BESS development portfolio in Japan provides immediate operating scale in a high-growth energy storage market, while European commercial wins in Switzerland demonstrate the company’s ability to replicate its platform globally. This focused geographic expansion leverages local expertise and market attractiveness to drive sustainable growth.
4. Strengthening Capital Markets and Project Financing Capabilities
The appointments of CFO Nitin Dahiya and President of Asset Vault Cory Magnuson bring deep institutional investment, capital formation, and independent power producer (IPP) project financing expertise. This leadership bolsters Energy Vault’s ability to optimize capital allocation, reduce cost of capital, and efficiently finance the growing owned asset portfolio. The disciplined approach to capital deployment ensures that growth is pursued with attractive risk-adjusted returns and financial resilience.
5. Speed to Power as a Differentiator
Energy Vault emphasizes “speed to power” by deploying modular, integrated solutions that circumvent traditional grid interconnection delays. This capability is particularly critical given current grid constraints and transmission build-out timelines, enabling customers to rapidly meet power demands for AI data centers and other industrial applications. The company’s software-enabled orchestration further differentiates its offering by optimizing load and ensuring high availability.
Key Considerations
Energy Vault’s second quarter results reflect a critical inflection point where commercial momentum, operational execution, and strategic asset ownership converge to support accelerated growth and margin expansion.
- Backlog Composition Balance: The 60/40 split between build-own-operate and build-transfer backlog segments balances near-term revenue conversion with long-term recurring earnings potential.
- Operational Execution Risks: The rapid scaling of gigawatt capacity demands rigorous project management and supply chain coordination to meet milestone-driven revenue recognition.
- Capital Allocation Discipline: Maintaining a resilient capital structure while pursuing large-scale asset ownership requires ongoing optimization of project-level financing and corporate liquidity.
- Market and Regulatory Dynamics: The company’s behind-the-meter solutions mitigate risks from regional grid constraints and regulatory moratoriums, particularly in Texas.
- Competitive Differentiation: Integration of energy storage, gas generation, and advanced software positions Energy Vault uniquely in the evolving energy infrastructure and AI compute markets.
Risks
Energy Vault faces execution risks inherent in large-scale infrastructure projects, including potential supply chain disruptions and project financing challenges. The company’s growth is also subject to regulatory changes and market volatility, particularly in energy and technology sectors. While the backlog provides visibility, the timing of revenue recognition may vary due to milestone dependencies and customer approvals, introducing some quarter-to-quarter variability.
Forward Outlook
For Q3 2026, Energy Vault anticipates continued revenue growth, with the majority of second half 2026 revenue expected to be recognized in Q4 due to project timing and milestone accounting. Full-year 2026 guidance has been raised to:
- Revenue of $270 to $310 million
- GAAP gross margin of 20% to 25%
- Year-end cash target of $160 to $200 million
Management highlighted that strong commercial execution, backlog conversion, and disciplined capital deployment will underpin these targets, with ongoing investments in AI infrastructure and build-own-operate projects driving growth into 2027.
Takeaways
Energy Vault’s Q2 2026 results underscore the company’s successful navigation from early-stage project execution toward a scalable, recurring revenue model anchored in AI compute infrastructure and energy storage assets.
- Backlog Growth Validates Market Demand: The doubling of backlog to $2 billion, with a substantial portion linked to long-term asset ownership, provides strong visibility into near- and medium-term revenue and earnings.
- Strategic Asset Ownership Enhances Earnings Quality: The build-own-operate strategy is central to Energy Vault’s value creation, supporting margin expansion and recurring EBITDA streams.
- Execution and Capital Expertise Are Critical: Recent leadership hires and project financing initiatives are vital to managing the complexity of scaling gigawatt-scale infrastructure and capital deployment efficiently.
Conclusion
Energy Vault’s second quarter marks a pivotal step in its growth trajectory, combining strong financial execution with strategic asset acquisition and commercial momentum in AI infrastructure. The company’s raised guidance and expanding backlog reflect confidence in its differentiated platform and market positioning, setting the stage for meaningful growth and margin improvement in 2027.
Industry Read-Through
Energy Vault’s results highlight broader industry trends emphasizing integrated, modular power infrastructure solutions tailored to AI and data center demands. The company’s focus on behind-the-meter deployments addresses grid constraints increasingly common across energy markets. Its build-own-operate model reflects a growing industry shift toward asset ownership to capture long-term recurring revenue amid rising infrastructure complexity. Investors and competitors should watch how Energy Vault’s speed-to-power approach and capital structure innovations influence market dynamics and project economics within the energy storage and AI compute infrastructure sectors.