Hyliion Holdings Corp. (HYLN) | The Buildout — AI Infrastructure
The Verdict
Hyliion designs and builds modular power generators around its KARNO Power Module. The generator is fully enclosed, fuel-agnostic, and can run on diesel, natural gas, and hydrogen, with native 800-volt DC output for direct data center rack integration. That positions it as prospective on-site power for AI-driven data centers, while current operations focus on military R&D services.
| Market Cap | — |
| Revenue (TTM) | $6M |
| Revenue Growth | +190.0% |
| EBITDA Margin (TTM) | -920.7% |
| Net Cash | $69M |
| Earnings Beats | 4 of 7 |
| P/E (TTM) | — |
| EV/EBITDA (TTM) | — |
What We Like
- UL nonrecurring certification tests passed in Q1 2026, clearing the gating item management had flagged before early adopter units could ship to customer sites.
- Q1 2026 revenue was $2.8 million, a fourfold sequential increase from $0.7 million in Q4 2025.
- Post-quarter, Hyliion announced a $41.7 million U.S. Navy contract within the previously guided $40–50 million additional military contract range.
- Cash and investments totaled $139.3 million at March 31, 2026, with management projecting year-end cash near $100 million after just over $50 million of net spending.
- Texas print capacity is about 3x the Cincinnati R&D facility, and the existing printer fleet plus a few 2026 additions is expected to support production into 2028.
What We’re Watching
- The VFG Holdings data-center LOI is non-binding: up to 250 KARNO cores / ~50 MW over five years, subject to a definitive purchase agreement.
- Q1 2026 revenue was 100% from one customer, and the underlying government contracts can be canceled for convenience.
- Management has not quantified 2027–2028 production capacity; disclosure is expected later in 2026 after early field learnings.
- A June 23, 2026 short-seller report challenged the VFG LOI and revenue concentration, followed by multiple law-firm investigations; no Hyliion response appears in the supplied source.
Thesis is strengthening on military execution but unproven on commercial conversion. UL certification and the $41.7 million Navy award support the development-to-deployment shift, while the data-center pipeline remains non-binding and the legal overhang is unresolved. The key open question is whether early adopter field performance and VFG LOI conversion turn the demand narrative into firm revenue.
Earnings Beat
Q1 2026 revenue was $2.8 million, up from $0.7 million in Q4 2025 and $0.5 million in Q1 2025. Gross profit was $210,000 on cost of revenues of $2.6 million, compared with $12,000 a year earlier. Net loss narrowed 32% year over year to $11.7 million, and operating expenses fell to $13.4 million from $19.7 million.
| Metric | Q1 FY2026 | Q4 FY2025 | Q1 FY2025 | YoY |
|---|---|---|---|---|
| Revenue | $3M | $1M | $0M | +460.0% |
| Gross margin | -67.1% | -255.1% | -231.1% | +16400bps |
| EBITDA | −$12M | −$14M | −$17M | −33.1% |
| EPS | $-0.07 | $-0.07 | $-0.10 | −33.7% |
| Customer A revenue concentration | 100% | n/a | 46% | +117.4% |
I am pleased to share that we successfully passed the UL Certification nonrecurring tests for the KARNO Power Module. This is the gating item we discussed last quarter and clearing it now enables us to begin delivering early adopter units to customer sites.— Thomas Healy, Chief Executive Officer, 2026-05-13 earnings call
Management tone: Management's tone shifted from working toward certification and deployment to a delivery-focused posture: UL tests were cleared, the 800-kW Navy build began, and the company reaffirmed 2026 guidance. On production capacity, management declined to give figures and tied disclosure to early field learnings; on Navy revenue, the CFO said the strength is expected to continue.
Management Guidance
Management reaffirmed full-year 2026 revenue guidance of approximately $10 million, including R&D services and possibly some commercial customer sales. It expects net spending just over $50 million, year-end cash and investments of about $100 million, and up to $10 million of equipment financing later in the year. The company also expects to sign $40–50 million of additional military contracts in 2026, complete around 10 early adopter units, and reach the full 200-kW power rating by year-end; commercialization is expected around year-end depending on early deployment timing.
Trajectory
Revenue is accelerating off a very small base: Q1 2026 revenue of $2.8 million rose 300% sequentially, driven by the timing of ONR R&D services rather than commercial product sales. The 10-Q attributes the increase to timing of performance of R&D services. Costs are shifting too: R&D expense fell 37% year over year to $7.7 million as labor moved to Navy contract work and about $1.9 million of inventory was capitalized for Navy KARNO systems.
The Model
The model's FY+1 projection is revenue of $11.0 million and EBITDA of -$45 million, a -396% EBITDA margin. For FY+2, the model projects revenue of $42.0 million and EBITDA of -$44 million, a -105% margin. The near-term anchor is military R&D services; the FY+2 revenue step-up depends on commercial and military deliveries ramping as early adopter units reach the field.
| Metric | FY2025 | Next FY (E) | Following FY (E) |
|---|---|---|---|
| Revenue | $4M | $11M | $42M |
| YoY Growth | — | +214.3% | +281.8% |
| EBITDA | −$59M | −$45M | −$44M |
| EBITDA Margin | -1688.6% | -396.0% | -105.0% |
Projections are the median of 5 independent model runs.
Management reaffirmed full-year 2026 revenue guidance of approximately $10 million, including R&D services and possibly some commercial customer sales. It expects net spending just over $50 million, year-end cash and investments of about $100 million, and up to $10 million of equipment financing later in the year. The company also expects to sign $40–50 million of additional military contracts in 2026, complete around 10 early adopter units, and reach the full 200-kW power rating by year-end; commercialization is expected around year-end depending on early deployment timing.
What Could Go Right — and Wrong
- Early adopter field units perform reliably, supporting commercialization around year-end 2026.
- The VFG Holdings LOI converts to a definitive purchase agreement for up to 250 KARNO cores / ~50 MW.
- The company converts a meaningful share of the nearly 750 units of interest/LOI into firm orders.
- Additional military contracts beyond the $41.7 million award shift revenue from R&D services to product purchase orders.
- Facility-level UL certification and the 200-kW rating are achieved in 2026, removing per-unit certification bottlenecks.
- Early adopter units reveal field reliability issues that delay commercialization and 2027 ramps.
- The VFG LOI does not convert because it is non-binding and subject to legal/credibility scrutiny.
- Government contracts remain cancellable for convenience and customer concentration stays near 100%.
- Competitors such as Bloom Energy, Caterpillar, Generac, and Cummins capture data-center demand before Hyliion reaches scale.
- Production capacity remains undisclosed and additional capital is required, potentially slowing scale-up.
Looking Ahead
Hyliion's next 12 months run through field deployment, certification, and first signs of commercial conversion. Roughly 10 early adopter units are expected to move to customer sites over the next couple of quarters, facility-level UL certification is targeted later in 2026, and the 200-kW rating is due by year-end. The Q2 2026 release should provide the first look at how the $41.7 million Navy award flows into revenue timing.
- Next couple of quartersEarly adopter unit deployments — About 10 units move to real-world customer sites; field performance is first test.
- Second half 2026Additional military contract signings — $40–50 million expected; $41.7 million Navy award already announced.
- Later 2026Facility-level UL certification — Expected to eliminate per-unit certification and support scale.
- Year-end 2026Full 200-kW power rating — Company says no UL rework required for continued power improvements.
- Around year-end 2026Commercialization begins — Depends on timing of early deployments; first commercial sales possible.
- Later 2026Production capacity disclosure — Management expects to share 2027–2028 capacity expectations.
Financials
Annual Summary
| Metric | FY2024 | FY2025 | TTM | YoY |
|---|---|---|---|---|
| Revenue | $2M | $4M | $6M | +133.3% |
| Gross Margin | 6.2% | -196.1% | -113.5% | 20,230bps |
| EBITDA | −$62M | −$59M | −$552M | +4.8% |
| EBITDA Margin | -4140.0% | -1688.6% | -920.7% | +245,143bps |
| Net Income | −$52M | −$57M | −$52M | -9.8% |
| Free Cash Flow | −$73M | −$70M | −$546M | — |
| Net Cash | — | — | — | — |
Key Ratios (Trailing)
- P/E TTM—
- EV/EBITDA TTM—
- EV/Revenue TTM—
- Price/FCF TTM—
- Gross Margin (TTM)-113.5%
- EBITDA Margin (TTM)-920.7%
- Net Margin (TTM)-889.7%
- ROIC-42.3%
- SBC / Revenue98.3%
The Company
Hyliion designs and develops power generators for stationary and mobile applications and provides R&D services. Its primary product is the KARNO Power Module, a modular, fully enclosed, fuel-agnostic and fully integrated power generating solution. Target markets are datacenter, commercial, industrial, and defense. The system can switch across diesel, natural gas, and hydrogen during operation and feed 800-volt DC directly to data center racks.
The company operates as a single reporting segment. Manufacturing is staged across a roughly 30,000-square-foot Milford, Ohio design and development site and Cedar Park, Texas headquarters of about 152,000 square feet across two leased buildings. Printing scaled first in Texas with about 3x the print capacity of Cincinnati; Power Module assembly has moved to Texas, and KARNO Core assembly is the next migration.
Business Segments
Competitive Landscape
The 10-K names key generator manufacturing competitors: Cummins, Bloom Energy, Generac, Rehlko (formerly Kohler), Caterpillar, Mainspring and Jenbacher. The source material frames the same data-center demand wave as being captured by incumbents at much greater scale.
- Bloom EnergySource material describes a record quarter, raised revenue guidance to $3.4–3.8 billion, 800V DC-ready shipments, and Oracle Project Jupiter up to 2.45 GW.
- CaterpillarSource material cites record backlog of $63 billion, power generation sales up 48%, and multiple gigawatt-class agreements.
- GeneracSource material cites data-center backlog over $700 million and a non-binding $600 million notice to proceed for 2027 deliveries.
- CumminsSource material cites 2026 power generation revenue growth guidance of 15–25% and record Power Systems EBITDA margin.
Supply Chain
Hyliion sits between additive manufacturing suppliers and power-generation end markets. Current demand is concentrated in U.S. military R&D, while data-center demand remains non-binding.
More on HYLN: Earnings recap