8-K: Hyliion Q2 2025: KARNO Progress Amidst Delays

Hyliion Holdings reports mixed Q2 2025 results, highlighting KARNO generator progress and a new $1 billion MOU, but revises revenue guidance downward and delays commercialization to 2026.

Summary

• Hyliion Holdings Corp. reported second-quarter 2025 revenue of $1.5 million, generated from research and development services for the Office of Naval Research.
• The company recorded a gross profit of $131 thousand for the quarter, with no revenue or gross profit in the prior-year quarter.
• Operating expenses increased to $15.8 million from $14.0 million in Q2 2024, primarily due to higher R&D expenses of $10.1 million.
• Net loss for the quarter was $13.4 million, compared to $10.9 million in Q2 2024.
• Cash and investments at quarter-end totaled $185.3 million, with cash use of $13.5 million in Q2, including $4.3 million for capital expenditures.
• Hyliion revised its full-year 2025 revenue guidance to $5 million to $10 million, down from the previous forecast of $10 million to $15 million.
• The commercial launch of the KARNO Power Module is now expected to extend into 2026, a delay from the previously planned late 2025.
• The KARNO Power Module qualifies for a 30% Investment Tax Credit (ITC) under the One Big Beautiful Bill Act (OBBBA).
• Production of KARNO systems has resumed, with the second U.S. Navy Early Adopter Unit delivered and two additional modules nearing completion.
• The company successfully transitioned all linear electric motor (LEM) production in-house and confirmed resolution of a regen depowdering challenge, redesigning a critical regen part for improved performance.
• A non-binding $1 billion Memorandum of Understanding (MOU) was signed with Alkhorayef Industries for potential KARNO Power Module deployment in Saudi Arabia, targeting initial deployment in 2026.
• Hyliion was awarded a Phase II SBIR contract for up to $1.5 million to advance multi-megawatt KARNO system development with the U.S. Navy.

Sentiment

Score: 4

Explanation: While there are significant positive developments like the ITC qualification, technical progress, and a large potential MOU, the downward revision of revenue guidance and the delay in commercialization are notable negatives that temper overall sentiment. The increased net loss and cash burn also contribute to a cautious outlook, despite a healthy cash balance.

Positives

• The KARNO Power Module qualifies for a significant 30% Investment Tax Credit (ITC) under the One Big Beautiful Bill Act (OBBBA), which will incentivize adoption and enhance Hyliion's ability to drive sales across key sectors like data centers and commercial/industrial power.
• Production of KARNO systems has resumed, with the second U.S. Navy Early Adopter Unit delivered and two more KARNO Power Modules nearing completion, indicating progress in manufacturing and deployment.
• Hyliion successfully transitioned all linear electric motor (LEM) production in-house, resolving prior production and quality issues with a contract manufacturer, which is expected to improve throughput and support deployment targets.
• A key technical milestone was achieved with the confirmed effectiveness of a new depowdering process and the redesign of a critical regen component, expected to improve power output and efficiency.
• A strategic, non-binding $1 billion Memorandum of Understanding (MOU) was signed with Alkhorayef Industries for potential KARNO Power Module deployment in Saudi Arabia, representing a significant step towards international commercialization.
• The company was awarded a Phase II Small Business Innovation Research (SBIR) contract valued at up to $1.5 million to advance multi-megawatt KARNO system development with the U.S. Navy.
• The U.S. Air Force designated the KARNO Power Module as an awardable technology, recognizing its potential for broader power applications across all branches of the U.S. military.
• Hyliion ended Q2 2025 with a solid cash and investments balance of $185.3 million, providing financial runway for continued development.

Negatives

• Hyliion revised its full-year 2025 revenue guidance downward to $5 million to $10 million from the previous $10 million to $15 million forecast.
• The commercial launch of the KARNO Power Module has been delayed, now expected to extend into 2026 instead of the previously planned late 2025.
• The net loss for the second quarter of 2025 increased to $13.4 million, compared to a net loss of $10.9 million in the second quarter of 2024.
• Year-to-date net loss also increased to $30.7 million in the first half of 2025, up from $26.4 million in the first half of 2024.
• Operating expenses rose to $15.8 million in Q2 2025 from $14.0 million in Q2 2024, driven by higher R&D expenses related to expanded additive manufacturing and KARNO development.
• The company expects full-year 2025 cash outlays to be approximately $65 million, an increase reflecting tariff-related cost impacts, R&D acceleration, and additional capital expenditures.

Risks

• Hyliion is an early-stage company with a history of losses and expects to incur significant expenses and continuing losses for the foreseeable future.
• The company's ability to develop key commercial relationships with suppliers and customers is crucial for its success.
• The expected performance of the KARNO generator and system may not meet anticipated levels.
• There is a risk associated with the successful execution of the strategic shift from the powertrain business to the KARNO business.
• Hyliion's ability to comply with governmental regulations related to defense spending and procurement is essential for its military contracts.
• The suitability of Hyliion's products for defense applications needs to be continuously validated.
• The $1 billion MOU with Alkhorayef Industries is non-binding and subject to the execution of a definitive purchase agreement prior to deliveries, meaning the opportunity may not materialize as planned.
• The company's ability to retain the services of Thomas Healy, its Chief Executive Officer, is important for leadership continuity.

Future Outlook

Hyliion anticipates delivering all ten Early Adopter customer units in 2025. The commercial launch of the KARNO Power Module is now expected to extend into 2026, a delay from the previously planned late 2025. The company forecasts a year-end 2025 cash and investment balance of approximately $155 million and continues to target breakeven gross margins on a cash basis by the end of 2026, supported by increasing production volume and improved pricing and manufacturing costs. The new regen design is expected to improve power output and efficiency to expected levels, and LEM output is ramping up to meet planned 2025 deployments with additional capacity expansions underway for 2026.

Management Comments

• "We are pleased that linear generators like the KARNO Power Module were recognized under the OBBBA as an emerging technology vital for advancing U.S. energy infrastructure growth. The 30% investment tax credit will incentivize more rapid adoption of fuel-flexible, clean, and efficient KARNO generators by our customers."
• "During the past quarter, we addressed the significant issues that slowed deployments earlier in the year, including successfully transitioning LEM manufacturing to our Austin facility, confirming the effectiveness of a new depowdering process, and designing a new regen we believe will achieve our performance requirements. We also expect to see a near-term ramp up in the pace of Early Adopter unit deployments with our customers."

Industry Context

This announcement positions Hyliion's KARNO Power Module as a key player in the evolving distributed power generation market, particularly with its qualification for the 30% Investment Tax Credit under the OBBBA, which signals strong governmental support for clean, resilient energy infrastructure. The focus on fuel-flexibility (LPG, ammonia, hydrogen) and applications in data centers, commercial/industrial power, and military sectors aligns with broader industry trends towards energy independence, decarbonization, and grid resilience. The strategic MOU in Saudi Arabia indicates a move towards international expansion in regions with high energy demand and diverse fuel sources.

Comparison to Industry Standards

• Hyliion's KARNO Power Module, as a linear heat generator, represents an emerging technology in the distributed power generation sector, distinct from traditional reciprocating engines or turbines.
• The 30% Investment Tax Credit (ITC) qualification under the OBBBA provides a significant competitive advantage, potentially lowering the total cost of ownership for customers compared to non-ITC eligible power generation solutions.
• The $1 billion non-binding MOU with Alkhorayef Industries for deployment in Saudi Arabia suggests a potential for large-scale international market penetration, comparable to other global energy infrastructure projects, though it is still subject to definitive agreements.
• The company's focus on fuel-agnostic capabilities (LPG, ammonia, hydrogen) positions it favorably against competitors reliant on single fuel sources, offering greater flexibility and future-proofing in a volatile energy market.
• The ongoing testing with the U.S. Navy and the Phase II SBIR contract for multi-megawatt systems indicate a strong commitment to defense applications, a niche market with high barriers to entry and specific performance requirements, differentiating Hyliion from purely commercial power generation companies.

Stakeholder Impact

• **Shareholders:** Will experience potential negative impact on share price due to revised lower revenue guidance and delayed commercialization, but may see long-term value from ITC qualification and international market expansion opportunities.
• **Customers:** Early Adopter customers will continue to receive units in 2025, but commercial customers will face a delay in product availability until 2026. Customers incorporating KARNO will benefit from the 30% Investment Tax Credit.
• **Employees:** The in-housing of LEM production and capacity expansions suggest job stability and potential growth in manufacturing roles.
• **Suppliers:** The transition of LEM production in-house indicates a shift away from certain contract manufacturers, potentially impacting those relationships.
• **U.S. Navy/Air Force:** Continue to benefit from ongoing R&D and early adoption units, with potential for broader military applications.
• **Alkhorayef Industries:** Potential for a significant strategic partnership and deployment of KARNO modules in Saudi Arabia, subject to definitive agreements.

Next Steps

• Continue testing of the second U.S. Navy Early Adopter Unit at the Cincinnati facility to validate operational capabilities and identify design enhancements.
• Complete the two additional KARNO Power Modules, with one designated for UL certification and the other for delivery to a commercial customer.
• Ramp up linear electric motor (LEM) output to meet planned Early Adopter deployments in 2025.
• Expand additive printing capacity to support higher volumes in 2026.
• Validate performance of the redesigned regen component during full-power operation with a complete KARNO Core.
• Deploy the remaining Early Adopter customer units in 2025.
• Work towards the commercial launch of the KARNO Power Module in 2026.
• Execute a definitive purchase agreement with Alkhorayef Industries for the potential $1 billion deployment in Saudi Arabia.
• Advance research and development work with the U.S. Navy under the Phase II SBIR contract, focusing on software for multi-megawatt KARNO systems.
• Target breakeven gross margins on a cash basis by the end of 2026.

Key Dates

Recommendation

The filing presents a mixed bag of developments. On one hand, the qualification for a 30% Investment Tax Credit, successful in-housing of production, resolution of technical challenges, and a significant $1 billion non-binding MOU with Alkhorayef Industries are strong positives indicating progress and future potential. These factors could drive long-term adoption and revenue. However, the downward revision of 2025 revenue guidance and the delay in commercialization of the KARNO Power Module to 2026 are significant near-term setbacks. The increased net loss and continued cash burn, despite a healthy cash balance, also warrant caution. Given these offsetting factors, a 'hold' recommendation is appropriate. Investors should monitor the execution of the delayed commercialization, the conversion of the MOU into a definitive agreement, and the company's ability to achieve its targeted breakeven gross margins by 2026 before considering a more aggressive stance.

Keywords

KARNO generator, modular power plant, Investment Tax Credit, ITC, energy security, distributed power generation, linear electric motor, LEM, additive manufacturing, fuel-flexible, clean energy, U.S. Navy, Saudi Arabia, Alkhorayef Industries, SBIR contract, Q2 2025 earnings, financial results, Hyliion Holdings, HYLN