Aspen Aerogels (NYSE:ASPN) executives said 2025 was a “transitional year,” marked by a resetting electric vehicle (EV) market in North America and an energy industrial business weighted toward maintenance work rather than large project awards. On the company’s fourth-quarter earnings call, management outlined cost actions taken to adjust to lower EV volumes, highlighted an expected rebound in energy industrial activity, and discussed progress in emerging end markets such as battery energy storage systems (BESS).
EV demand reset and shifting geographic momentum
President and CEO Donald Young said U.S. EV sales dropped significantly in the fourth quarter and that General Motors began ramping down EV production rates starting in Q4 2025. He said Aspen expects GM and other North American OEMs to reassess EV demand “absent incentives and regulation” during the first half of 2026 and align inventory and production rates accordingly. From that “reset level,” Young said the company expects EV penetration to resume growth, though “at a more measured pace than in prior years.”
In Europe, management described a more favorable structural backdrop for Aspen’s PyroThin Thermal Barrier products, citing penetration trends, charging infrastructure, and steadier policy guidelines. Young said battery electric vehicles represent over 20% of new vehicle registrations in the region. The company also identified Volvo Car as the “major European OEM” behind a previously disclosed battery design award, bringing Aspen’s total to seven European OEM design wins.
Energy industrial outlook: subsea, LNG, and maintenance
Aspen’s energy industrial segment generated $102 million of revenue in 2025, which Young said was comprised largely of baseload maintenance and limited LNG work, while being “largely absent” subsea project activity that contributed to record years in 2023 and 2024.
Management said it sees a path to roughly 20% growth for the energy industrial segment in 2026, supported by three factors:
- Subsea project pipeline: Young said Aspen now has a “robust” subsea pipeline and expects strong demand through the decade as projects move into deeper water and tougher environments. He noted Aspen’s first award win of 2026 for a North Sea Pipe-in-Pipe project, expected to be delivered in Q3.
- LNG and natural gas infrastructure: Young said the LNG market is in a multi-year build cycle and that Aspen expects its LNG and natural gas infrastructure activity in 2026 to roughly double versus 2025 in both project count and revenue contribution. He said Aspen is positioned across the entire LNG value chain, not solely liquefaction.
- Maintenance and turnarounds: Young cited pent-up demand from refinery and petrochemical end users that have run facilities hard while minimizing maintenance and turnarounds.
Young said Aspen is investing in the segment in 2026 by expanding customer-facing sales and technical service teams globally, with a goal of scaling energy industrial into a $200 million “high-margin” segment without incremental capital investment.
BESS and other adjacent markets
Young and analysts spent part of the Q&A on BESS, which Aspen described as an adjacent opportunity where developers shifting toward higher-density LFP architectures face thermal propagation challenges similar to those in EV platforms. Young said Aspen is engaged in “multiple qualifications and bids,” supporting grid infrastructure, data centers, and other high-reliability applications, and expects to begin generating revenue from this segment in 2026.
In response to questions, Young said Aspen is seeing interest in both larger outdoor systems and rack-level modular systems, emphasizing that fire safety is a key driver. He also cited “policy advantages” tied to domestic U.S. manufacturing capacity.
Management did not quantify the long-term revenue opportunity for BESS, with Young calling it “still early” to provide projections, but he said the company would not pursue the market unless it had “impactful growth potential” and could leverage existing technology and manufacturing capabilities.
Young also discussed building and construction as another potential area of expansion, saying Aspen is working on a product aimed at a slice of a large market and believes it can rekindle prior momentum in that space, particularly in Europe where building styles and thermal efficiency regulation support retrofit applications.
Financial results, liquidity, and 2026 outlook
Chief Financial Officer Grant Thoele reported fourth-quarter revenue of $41.3 million, including $25.3 million in energy industrial and $16.1 million in thermal barrier. GAAP net loss was $72.9 million and adjusted EBITDA was negative $18 million. Thoele said gross margin was materially impacted by lower production volumes and discrete items.
Thoele detailed several one-time factors affecting Q4 results, including a $22.5 million non-cash charge related to underutilized assembly equipment, a $3 million bad debt expense tied to a customer solvency issue, and year-end material adjustments that temporarily elevated material costs to 48% of revenue. He said the company does not believe Q4 profitability reflects its go-forward cost structure.
For the full year, Aspen reported revenue of $271.1 million—$102.2 million from energy industrial and $168.9 million from thermal barrier. GAAP net loss was $389.6 million, while adjusted EBITDA was $2.9 million. Thoele said that excluding one-time items, gross margin would have been approximately 27% and adjusted EBITDA about $13 million for the year. The company ended 2025 with $158.6 million in cash and cash equivalents, which Thoele attributed to working capital discipline, inventory optimization, and reduced capital expenditures.
For Q1 2026, Aspen guided to revenue of $35 million to $40 million, with roughly $25 million expected from energy industrial. Guidance assumes GM production at an annualized rate of 40,000 to 50,000 vehicles in the quarter, down from a 72,000 annualized rate in Q4, reflecting planned downtime, inventory drawdown, and GM’s EV transition actions. The company expects Q1 to be the lowest revenue quarter of 2026 and anticipates sequential growth through the year, supported by higher GM production, a ramp in European OEM programs (expected to contribute $10 million to $15 million of revenue in 2026), and approximately 20% growth in energy industrial with more project activity weighted to the second half.
Adjusted EBITDA for Q1 is expected to be between negative $13 million and negative $10 million. Thoele said the company anticipates net cash outflows of $10 million to $15 million during the quarter, including scheduled debt amortization, but expects to end Q1 above the December cash balance due to a nearly $38 million payment expected from GM in March related to a commercial settlement tied to prior EV capacity adjustments.
Young said Aspen has structurally reduced fixed cash costs by about $75 million annually and expects further streamlining in 2026, with a longer-term goal to lower adjusted EBITDA breakeven to $175 million of revenue. He and Thoele also reiterated that incremental revenue above breakeven is expected to carry 50% to 60% adjusted EBITDA margins, with limited incremental capital investment.
Strategic review underway
Management said Aspen has initiated a strategic review to evaluate options to maximize long-term shareholder value. Young described the process as a disciplined evaluation following market changes and internal restructuring, conducted “from a position of financial strength and operational progress.” In Q&A, executives said the company is in early stages, intends to be deliberate but urgent, and has engaged outside advisors to test assumptions and assess capital allocation and strategic opportunities. Thoele characterized the focus as accelerating growth while maintaining optionality.
About Aspen Aerogels (NYSE:ASPN)
Aspen Aerogels, Inc, headquartered in Northborough, Massachusetts, develops and manufactures high-performance aerogel insulation materials and custom engineered solutions. Founded in 2001 as a spin-out from Department of Energy research, the company pursued an initial public offering on the NYSE in 2014 under the ticker ASPN. Aspen Aerogels combines proprietary aerogel formulations with advanced manufacturing processes to deliver products known for their low thermal conductivity, lightweight construction and robust mechanical properties.
The company’s product portfolio spans blanket insulation, boards, and custom shapes built around several proprietary brands, including Pyrogel, Cryogel and Spaceloft.
