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Fluence Energy
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Latest analysis
Updated Sep 1, 2026
Fluence appoints Siemens executive Stephan May to board; relocates headquarters to Arlington VA.
Fluence Energy appointed Stephan May, CEO of Electrification and Automation at Siemens Smart Infrastructure, to its board of directors on August 27, 2026, filling a vacancy left by Ruth Gratzke's resignation. May was designated by Siemens Industry under existing stockholder agreement rights, contingent on Siemens maintaining at least 20% ownership of Class A shares. The company simultaneously relocated its principal executive offices to 2107 Wilson Boulevard, Suite 900, Arlington, Virginia effective September 1, 2026. These are governance and administrative actions with no material operational or financial implications disclosed.
Tone: neutralRevenue
$2.3B
FLNC 10-K · FY 2025
Employees
1,670
Revenue FY2024
$2.7B
Founded
2017
Profile
FLNC 10-K Item 1 · Nov 25, 2025Fluence Energy is a global provider of utility-scale battery energy storage solutions, recurring operational and maintenance services, and cloud-based digital optimization software for renewable and storage assets. The company was formed as a joint venture between Siemens and AES in 2017 and completed its IPO in November 2021. It operates across 25 countries and serves utilities, independent power producers, developers, and commercial and industrial customers.
Read filing description ↓ Collapse description ↑
Fluence is a global market leader delivering intelligent energy storage and optimization software for renewables and storage. Our energy storage solutions and operational services are designed to help create a more resilient grid and unlock the full potential of renewable portfolios. As of September 30, 2025, we had 6.8 gigawatts of energy storage assets deployed and 9.1 GW of contracted backlog across 33 markets in 25 countries with a gross global pipeline of 128.8 GW. Our offerings include energy storage products and solutions, recurring O&M services, and digital applications for energy storage and other power assets. We sell configurable energy storage solutions with integrated hardware, software, and digital intelligence. Our storage technology lays the foundation for better energy storage solutions with industry-leading safety, integrated controls systems, and factory-built, modular building blocks. By pairing the benefits of mass production with the flexibility of a configurable system architecture, we believe we are able to serve the diverse needs of customers around the world from a single, underlying product platform. Our digital applications allow us to offer digital capabilities that can be combined with our energy storage solutions and services to optimize revenue and lower the total cost of ownership. Our Fluence digital offerings encompass proprietary machine learning, AI, data science technologies, and applied engineering to enable the advanced capabilities of our two cloud-based software products: Fluence Mosaic and Fluence Nispera. We have repeatedly pioneered new use cases for grid-scale energy storage, including frequency regulation, generation enhancement, capacity peak power, energy cost control, microgrids/islands, renewable integration, virtual dams, transmission and distribution enhancement, and critical power.
Primary products
- Gridstack Pro
- Gridstack
- Ultrastack
- Smartstack
- Fluence OS
- Fluence-designed Battery Pack
Business segments
End markets
Geographies
Named customers
In fiscal year 2025, our two largest customers represented approximately 41% of our revenues. In addition, as of September 30, 2025, approximately 24% of our revenue was with related parties, primarily AES and its affiliates. As of September 30, 2025, the Company had $5.3 billion of remaining performance obligations related to our contractual commitments, which we refer to as our backlog, of which 13% is with AES.
Named competitors
“We believe we differentiate ourselves from our competitors through our ability to identify and meet customer needs with customized products, services, and use-case solutions.” Competitive position, as stated in the filing
Revenue commentary · FY 2025
Total revenue declined from approximately $2.70 billion in fiscal year 2024 to approximately $2.26 billion in fiscal year 2025, driven primarily by a significant decrease in revenue from related parties.
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