8-K: Stem Achieves Second Consecutive Quarter of Positive Adjusted EBITDA

Stem, Inc. announced strong third quarter 2025 financial results, including a 31% year-over-year revenue increase and positive adjusted EBITDA for the second consecutive quarter, while refining its full-year guidance.

Summary

• Revenue increased by 31% year-over-year to $38.2 million for the quarter ended September 30, 2025, up from $29.3 million in 3Q24.
• Achieved positive adjusted EBITDA of $2.0 million, compared to $(3.5) million in 3Q24, marking the second consecutive quarter of positive adjusted EBITDA.
• GAAP gross profit rose to $13.5 million (35% margin) from $6.2 million (21% margin) in 3Q24, driven by improved hardware margins and the absence of prior year revenue reductions.
• Non-GAAP gross profit increased to $17.9 million (47% margin) from $16.2 million (46% margin) in 3Q24, reflecting improved hardware margins and operational efficiencies.
• Net loss significantly improved to $23.8 million from $148.3 million in 3Q24, primarily due to the absence of a $104.1 million bad debt expense impairment and lower operating costs.
• Operating cash flow turned positive at $11.4 million, compared to $(9.4) million in 3Q24.
• Ended 3Q25 with $43.1 million in cash and cash equivalents, an increase from $40.8 million in 2Q25.
• Annual Recurring Revenue (ARR) grew 3% quarter-over-quarter and 17% year-over-year to $60.2 million, supporting the software-focused strategy.
• Storage operating Assets Under Management (AUM) increased 6% sequentially to 1.8 GWh, and Solar operating AUM increased 4% sequentially to 33.9 GW.
• Bookings were $30.3 million, down sequentially from $34.3 million in 2Q25, attributed to a strategic de-emphasis of low-margin battery hardware bookings.
• Contracted backlog decreased sequentially to $22.2 million from $26.8 million in 2Q25, due to lower bookings and increased revenue recognition.
• Full-year 2025 guidance was refined, with revenue revised to $135-$160 million (from $125-$175 million), non-GAAP gross margin to 40%-50% (from 30%-40%), and adjusted EBITDA to $(5)-$5 million (from $(10)-$5 million).

Sentiment

Score: 8

Explanation: The company demonstrated strong financial performance with significant year-over-year revenue growth, a positive adjusted EBITDA for the second consecutive quarter, and substantial improvements in gross margins and net loss. The strategic shift to a software-centric model is showing tangible results, and management's confidence in de-risking guidance ranges indicates a stable outlook, despite some sequential dips in bookings and backlog attributed to strategic choices.

Positives

• Revenue increased by a strong 31% year-over-year to $38.2 million.
• Achieved positive adjusted EBITDA of $2.0 million for the second consecutive quarter, demonstrating improved profitability.
• GAAP gross margin significantly expanded to 35% from 21% year-over-year, driven by improved hardware margins and the absence of prior revenue reductions.
• Non-GAAP gross margin also improved to 47% from 46% year-over-year, reflecting operational efficiencies.
• Net loss dramatically improved to $23.8 million from $148.3 million in the prior year, largely due to the absence of a significant bad debt expense impairment.
• Operating cash flow turned positive at $11.4 million, indicating better cash generation.
• Cash and cash equivalents increased sequentially to $43.1 million.
• Annual Recurring Revenue (ARR) grew 17% year-over-year to $60.2 million, validating the software-centric strategy.
• Storage and Solar operating AUM showed sequential growth of 6% and 4% respectively.
• Management expressed confidence in the stability of the business and de-risked the low end of nearly all guidance ranges.
• Strategic transformation towards a software-centric approach is yielding strong operating leverage and improved performance.

Negatives

• Bookings decreased sequentially to $30.3 million from $34.3 million in 2Q25, primarily due to a strategic de-emphasis of low-margin battery hardware.
• Contracted backlog decreased sequentially to $22.2 million from $26.8 million in 2Q25.
• Full-year 2025 guidance for battery hardware resale revenue was reduced to 'Up to $20 million' from 'Up to $35 million'.

Risks

• Inability to execute on, and achieve expected benefits from, operational and strategic initiatives, including cost reduction and restructuring efforts.
• Inability to successfully execute the new software and services-centric strategy.
• Effects of the One Big Beautiful Bill Act (OBBB) on the business and that of customers and suppliers.
• Disruptions in sales, production, service, or other business activities.
• General macroeconomic and business conditions, including inflationary pressures, economic slowdowns or recessions, high interest rates, changes in monetary policy, and trade policies.
• Geopolitical instability, such as armed conflicts (Russia-Ukraine, Gaza Strip) and tensions (China-United States).
• Inability to continue to grow and manage growth effectively.
• Inability to attract and retain qualified employees and key personnel.
• Inability to comply with, and the effect on the business of, evolving legal standards and regulations (data protection, privacy, sustainability, labor standards).
• Risks relating to the development and performance of software-enabled services.
• Inability to retain or upgrade current customers, further penetrate existing markets, or expand into new markets.

Future Outlook

The company is refining its full-year 2025 guidance, with revised revenue expectations of $135-$160 million, non-GAAP gross margin of 40%-50%, and adjusted EBITDA between $(5) million and $5 million. Operating cash flow is projected to be between $(5) million and $5 million, while year-end ARR guidance remains unchanged at $55-$65 million. Management expressed confidence in the stability of the business and has de-risked the low end of nearly all guidance ranges, emphasizing the continued focus on profitable growth through its diversified AI-driven platform.

Management Comments

• Arun Narayanan, CEO: "We delivered solid revenue growth and the second consecutive quarter of positive adjusted EBITDA in the third quarter of 2025. It has been one year since our strategic transformation was announced, and our results demonstrate the strength of our software-centric approach."
• Arun Narayanan, CEO: "With ARR growing 17% year-over-year and strong operating leverage evidenced by our gross margin performance, we are refining our guidance ranges across nearly all metrics. We have reduced the historical volatility in our business, we have de-risked the low end of nearly all guidance ranges, and we feel confident about the stability of our business."
• Brian Musfeldt, CFO: "The third quarter of 2025 demonstrated our continued financial discipline with expanding gross margins and positive adjusted EBITDA. We believe our improvement in operating cash flow generation and stabilization of cash reflect the underlying quality and sustainability of our business model."
• Brian Musfeldt, CFO: "The strategic focus on software and recurring revenue streams is resulting in improved performance and allowing us to refine our guidance across nearly all metrics."

Industry Context

Stem's results reflect a broader industry trend towards the energy transition, with increasing demand for intelligent software and services to manage complex clean energy assets. The company's expansion into utility-scale solar, storage, and hybrid projects, particularly in the EMEA region, aligns with global efforts to integrate renewable energy. The focus on an AI-driven platform and consolidation of offerings under the PowerTrack Suite positions Stem to capitalize on the growing need for optimized energy management solutions.

Stakeholder Impact

• Shareholders: Positive impact due to improved financial performance, positive adjusted EBITDA, and refined guidance, suggesting increased stability and potential for future growth.
• Customers: Benefit from expanded technical depth and customer support in key regions like EMEA, and new product offerings under the unified PowerTrack Suite.
• Employees: Restructuring costs were mentioned in non-GAAP adjustments for both 2025 and 2024, indicating ongoing efforts to pursue greater efficiency and realign business priorities, which could impact employees.

Next Steps

• Continue executing the software-centric strategy to drive profitable growth.
• Further advance utility-scale solar, storage, and hybrid solar-plus-storage projects, particularly in the EMEA region from the Berlin competence center.
• Ongoing refinement and development of the PowerTrack Suite, including PowerTrack Optimizer and PowerTrack Energy Management System (EMS).
• Host a conference call on October 29, 2025, to discuss earnings and business outlook.

Key Dates

Recommendation

Stem's Q3 2025 results demonstrate a significant positive inflection point, marked by the second consecutive quarter of positive adjusted EBITDA, robust revenue growth, and expanding gross margins. The strategic transformation to a software-centric model is clearly yielding results, as evidenced by strong ARR growth and management's confidence in de-risking future guidance. While sequential declines in bookings and backlog exist, they are attributed to a deliberate de-emphasis on low-margin hardware, reinforcing the long-term strategic focus. Given the strong financial turnaround, clear strategic direction in a high-growth energy transition market, and improved operational discipline, the stock presents a compelling 'buy' opportunity for investors seeking exposure to a company successfully executing its growth strategy.

Keywords

Energy Transition, Energy Storage, Solar, Software, AI-driven Platform, Adjusted EBITDA, Annual Recurring Revenue, Gross Margin, PowerTrack, SEC Filing, Quarterly Results