0001628280-26-013207
SEC filingRevenue surged 52% to $722M driven by power systems, but gross margin fell to 25.6% on data center ramp costs.
Power Solutions International, Inc. (PSI) is a Delaware corporation incorporated in 2011 that designs, engineers, manufactures, markets and sells a broad range of advanced, emission-certified engines and power systems. These systems are powered by a wide variety of clean, alternative fuels including natural gas, propane, and biofuels, as well as gasoline and diesel options. The Company serves three end markets: power systems, industrial, and transportation. The Company manages its business as a single reportable segment.
The Company operates as a single reportable segment. This segment encompasses the design, engineering, manufacturing, marketing, and sale of engines and power systems across all end markets and applications. No further segment breakdown is provided in the Business section.
The Company’s products include both sourced and internally designed and manufactured engines integrated with associated components. Key product categories include electric power generation (gensets), large custom genset enclosures, mobile and stationary gensets for emergency standby, rental, prime power, demand response, microgrid, oil & gas, data center, and renewable energy resiliency, as well as combined heat and power (CHP) systems. In the industrial market, products serve material handling (forklifts), agricultural/arbor care (wood chippers, stump grinders), irrigation/pumps, construction (aerial lift platforms/scissor lifts), compressors (oil and gas compression), and new energy (battery packs). In transportation, products include Class 2-7 vocational trucks and vans, school buses (Type A and Type C), transit buses, and terminal and utility tractors. The Company’s natural gas, gasoline, propane, and biofuel engines range from 0.99 liters to 53L, while diesel options range from 20L to 88L.
The Company employs a direct sales and marketing approach to maintain maximum interface with and service support for its OEM customers, complemented by a localized, independent sales and product support organization. The Company’s customers primarily include global OEMs and direct end-users. The Company’s largest customer represented 20% of consolidated net sales in 2025. The Company also has an international distribution and sales agreement with Baudouin, a subsidiary of Weichai, for European, Middle Eastern, and African markets, which resulted in $1.2 million of sales during the year ended December 31, 2025.
Each of the Company’s end markets have a variety of competitors, including engine manufacturers, independent suppliers and distributors of engines, fuel systems and component providers, manufacturers of power generation equipment, engine packagers and integrators, and the in-house operations of certain OEMs. Some competitors have longer operating histories, strong brand recognition and significantly greater financial and marketing resources. The Company believes its differentiated value proposition includes a fuel-agnostic strategy, demonstrated expertise in off-road applications, ability to leverage Weichai’s strengths, completeness of engines and power systems, expansive product integrations, commonality of technology platform, emissions regulation compliance, breadth of advanced engineering, competitive pricing, ability to tailor systems, performance and quality, speed to market, and customer support.
The Company’s strategic initiatives include sustained profitability through customer and product portfolio review, strategic price increases, product redesign, and re-sourcing of components. The Company is also focused on warranty expense mitigation, streamlining business processes and footprint rationalization, strengthening the business through optimization of business systems and technology, growing the business in highest return areas (particularly heavy-duty engines), capitalizing on key market trends (growth of intermittent energy sources, stringent emissions regulations, data center growth, e-commerce activity), new product expansion by leveraging deep industry experience, leveraging the relationship with Weichai, and expanding global business.
As of December 31, 2025, the Company’s workforce consisted of approximately 1,000 full-time employees. None of the members of the workforce are represented by a union or covered by a collective bargaining agreement. Turnover for salaried employees in 2025 was approximately 18.0%. The Company achieved an overall Total Recordable Incident Rate (TRIR) of 7.42 and a Days Away, Restricted or Transferred (DART) Rate of 4.22 in 2025.
For fiscal year 2025, Power Solutions International reported revenue of $722.4 million, a 52% increase from $476.0 million in 2024. The growth was primarily driven by a $260.6 million surge in the power systems end market, which includes data center and oil and gas products, partially offset by declines of $8.5 million in industrial and $5.7 million in transportation. Gross profit rose 32% to $184.9 million, but gross margin contracted 390 bps to 25.6% from 29.5%, attributed to inefficiencies from the accelerated production ramp for data center product lines. Operating income increased 34% to $109.7 million, while net income jumped 65% to $114.0 million, including a $38.3 million one-time tax benefit from the release of a valuation allowance. Diluted EPS was $4.94 compared to $3.01 in the prior year.
The power systems segment generated $586.3 million in revenue, representing 81% of total sales, up from 68% in 2024. This shift reflects the company's conscious pivot toward higher-growth, higher-margin markets such as data centers and oil and gas. Industrial revenue fell to $114.8 million (16% of total) due to softer demand in material handling, while transportation declined to $21.3 million (3% of total) amid lower sales in vocational trucks and buses. The company sold approximately 19,800 engines in 2025, with 74% running on propane or natural gas, compared to 22,200 engines in 2024 with 76% alternative fuel.
Management did not provide a business outlook for 2026, citing broader market conditions and customer order timing variability. The company is actively expanding manufacturing capacity to meet data center demand and is committed to optimizing cost structure. Key strategic priorities include investing in power systems product development, leveraging the Weichai collaboration, and mitigating tariff risks through sourcing and pricing actions. The amended Revolving Credit Agreement provides up to $135 million through July 2027, supporting liquidity. Management remains confident in long-term growth but will delay guidance until visibility improves.
As of December 31, 2025, the company held $41.3 million in cash and cash equivalents plus $3.7 million in restricted cash, totaling $44.9 million. Total debt stood at $96.6 million, consisting of $95.0 million drawn on the amended Revolving Credit Agreement (maturing July 30, 2027) and $1.6 million in finance leases and other debt. The company's net debt position was approximately $51.7 million. Shareholders' equity improved dramatically to $178.6 million from $65.2 million a year earlier, driven by net income of $114.0 million and a $38.3 million release of the valuation allowance against deferred tax assets. The net deferred tax asset shifted from a $1.6 million liability to a $13.3 million asset.
The most significant commitment disclosed in the Notes is a five-year purchase agreement with Shandong Weichai Import & Export Corporation (SWIEC), entered in January 2025, with annual minimum purchase requirements totaling $290.1 million: $49.9 million in 2026, $49.9 million in 2027, $95.1 million in 2028, and $95.1 million in 2029. Additionally, the company has a Manufacture of Record (MOR) agreement with Weichai requiring a fee of 1.75% of gross revenues from certain engines (2025 fee: $0.1 million). Other contractual obligations include operating lease commitments of $73.9 million (undiscounted) and finance lease commitments of $1.8 million. The company also has $1.8 million in outstanding letters of credit and $3.7 million in restricted cash.
No share buyback program or dividend is disclosed. Capital expenditures totaled $10.0 million in 2025 (1.4% of sales), up from $4.6 million in 2024. Debt activity was significant: the company fully repaid the $25.0 million Shareholder's Loan Agreement with Weichai during the second quarter of 2025, and the Revolving Credit Agreement was amended on July 30, 2025, increasing capacity to $135.0 million and extending maturity to July 30, 2027. As of year-end, $95.0 million was outstanding under the revolver. The company paid $7.8 million in cash interest during 2025.
The company operates as a single reportable segment. Revenue by end market is disclosed in Note 2: Power Systems $586.3 million (81% of total), Industrial $114.8 million (16%), and Transportation $21.3 million (3%). Geographic revenue is heavily concentrated in the United States ($675.2 million, 93% of total), with North America outside the U.S. at $21.3 million, Pacific Rim at $22.3 million, and Europe at $3.4 million. No segment-level operating income or margin is provided.
Power Solutions faces significant regulatory and geopolitical risks. The most immediate is the evolving tariff landscape. The Supreme Court struck down IEEPA-based tariffs, but replacement tariffs under Section 122 of the Trade Act of 1974 have a 150-day maximum. The company may receive refunds for IEEPA tariffs paid in 2025, but could be required to reimburse customers, potentially offsetting any benefit. Additionally, UFLPA enforcement forced a re-sourcing of forklift products from SAME to CDM/SPY, and ongoing vetting of suppliers is required to avoid future disruptions. The relationship with Weichai, a Chinese state-owned entity representing 46% ownership, exposes the company to heightened U.S.-China tensions, including CFIUS scrutiny, export controls, and reputational harm.
Supply chain risks are prominent due to dependence on key suppliers for sophisticated components (e.g., engines, electronics). Loss of a key supplier could cause extended delays. UFLPA already caused import suspensions, and similar disruptions could recur. Manufacturing requires substantial liquidity for working capital, capital expenditures, and inventory; fluctuations in demand or supply constraints could strain liquidity. Total debt of $96.6 million includes covenants that limit financial flexibility.
Growth hinges on market acceptance of alternative-fueled power systems. While diesel emission regulations increase diesel costs, customers may not switch; electrification and fuel cells pose long-term threats. The oil and gas sector contributed $193.9 million in 2025 sales, exposing the company to volatility in energy prices. A prolonged downturn could materially impact results.
Debt covenants restrict acquisitions and additional debt, potentially limiting strategic opportunities. The company must maintain adequate internal controls; past material weaknesses could recur, leading to restatements or regulatory scrutiny. There is also risk of impairment charges for goodwill and long-lived assets if market conditions deteriorate.
Rapid technological change in power systems requires ongoing R&D; failure to innovate could make products obsolete. Cybersecurity threats are increasing; while the company has measures in place, a material breach could disrupt operations and damage reputation. The company also notes risks from AI adoption by competitors and suppliers.
Operating cash flow (CFO) of $37.5M in 2025 exceeded net income of $25.1M, indicating strong cash conversion. The CFO-to-net-income ratio was 1.49x, reflecting quality earnings with limited non-cash charges. Capital expenditures (capex) of $3.2M were modest, representing a capex intensity of 1.5% of revenue (estimated $210M). Free cash flow (FCF) of $34.3M provided ample coverage of capital returns, though no share repurchases or dividends were paid. The primary use of FCF was debt reduction, as financing cash flow was -$34.3M, largely from repayments of long-term debt.