Fluence

What Fluence does

Fluence Energy, Inc. (NASDAQ: FLNC) is a publicly traded energy storage technology company founded in January 2018 as a joint venture between Siemens AG and AES Corporation, headquartered in Arlington, Virginia. The company designs, manufactures, and services grid-scale battery energy storage systems (BESS) and digital applications for renewables, serving utilities, independent power producers, renewable developers, and hyperscale data center operators across 48+ markets globally with 80+ GWh of deployed or contracted capacity.

Fluence's product portfolio is organized around an integrated technology stack: the Fluence Cube hardware platform, Fluence OS as the sixth-generation controls software (with 2.5 million operating hours), and the Fluence IQ digital platform. Hardware products include the high-density Smartstack system (7.5 MWh and 10 MWh configurations with approximately 680 MWh per acre density), Gridstack Pro (flagship grid-scale solution with domestic U.S. content qualification), and Gridstack. AI-powered software applications include Mosaic intelligent bidding software (supporting 16 GW of assets deployed or awarded across multiple ISOs) and Nispera asset performance management (managing 15.5 GW+ of wind, solar, hydro, and storage assets globally, acquired in April 2022). The company holds 12 patents focused on software intelligence including AI-driven dispatch algorithms and OT cybersecurity, and DNV has independently validated 99.3% fleet availability across its 50 MW+ projects.

Fluence operates a hybrid revenue model combining turnkey hardware sales, software subscriptions (annual recurring revenue scaling from approximately $148 million in FY2025 toward $180 million by end of FY2026), and professional services. Pricing is quote-based for hardware (multi-year contracts, varying by configuration and duration) and subscription-based for software. The company sells through a direct enterprise sales motion with 18 regional offices across the Americas, Europe, and Asia Pacific. As of Q2 FY2026, Fluence reported revenue of approximately $465 million (up 7.7% year-over-year), reaffirmed full-year FY2026 revenue guidance of $3.2-$3.6 billion, and disclosed a record contracted order backlog of $5.6 billion, anchored by master supply agreements with hyperscale data center operators and a collaboration with Siemens and Nvidia on AI data center reference architecture.

Name

Fluence

Legal name

Fluence Energy, LLC

Website

https://fluenceenergy.com

Company type

Public

Founded year

2018

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Fluence Energy is a publicly traded energy storage technology company that designs, manufactures, and services grid-scale battery storage systems and AI-powered software for utilities, renewable developers, and hyperscale data center operators across 48+ global markets.

Ownership category

akta.pro rank

Product category

Grid-Scale Energy Storage Systems

NAICS

Battery Manufacturing (33591), Switchgear and Switchboard Apparatus Manufacturing (335313), Electric Bulk Power Transmission and Control (221121), Electric Power Generation, Transmission and Distribution (2211)

SIC

Electronic & Other Electrical Equipment (No Computer Equip) (3600), Switchgear & Switchboard Apparatus (3613)

akta.pro primary industry

Stationary Energy Storage Systems (BESS/ESS Integrators) (IMAGAHAD)

akta.pro secondary industries

Energy Storage Software & Controls (EMS, monitoring, optimization, cybersecurity) (IMAGAHAJ), Energy Storage Asset Management (BESS/PCS/EMS) (EUAEAMAE), Edge Data Center Power & Energy Systems (UPS, Batteries, Microgrids) (HDABAOAG), Energy Storage & Microgrid Electrical Infrastructure (BESS, Controls) (IMAFAHAE)

Keywords

• Energy storage systems
• Battery energy storage
• Grid-scale storage
• Renewable energy software
• Utility-scale batteries

Headquarters

HQ city

Arlington

HQ country

United States

HQ region

North America

Offices18 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Technology or R&D, Operations, Personnel, Marketing or Sales, Infrastructure

Revenue model

1. Energy Storage Hardware Products: Sale of turnkey energy storage products including Smartstack, Gridstack Pro, and Gridstack systems. Products delivered as complete solutions including balance of plant equipment. Revenue recognized over project delivery timeline.
2. Software Subscriptions and SaaS: Cloud-based software products including Nispera APM (asset performance management) and Mosaic intelligent bidding software. Annual subscription-based revenue with recurring ARR growing from ~$148m in FY25 to ~$180m by end of FY26.
3. Operational and Maintenance Services: Comprehensive service offerings including Smart Service Plans, Complete Service, Shared Service, and Guided Service. Remote monitoring and diagnostic services, preventative and reactive maintenance, performance guarantees.
4. Delivery Services: Full turnkey implementation services including engineering, delivery, installation, and commissioning. Revenue recognized as projects are delivered.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels9 records

Core offering

Fluence designs, manufactures, and services grid-scale battery energy storage systems (Smartstack, Gridstack Pro, Gridstack, Ultrastack, Sunstack, Edgestack) integrated with Fluence OS controls software, Fluence IQ digital platform, and AI applications (Mosaic intelligent bidding, Nispera asset performance management). The company delivers turnkey energy storage solutions and long-term service plans to utilities, renewable developers, and hyperscale data center operators across 48+ markets.

Product overview

Fluence offers an integrated ecosystem of modular energy storage products, operational services, and cloud-based software for renewables and storage assets. The core product portfolio includes three energy storage hardware platforms: Smartstack (high-density AC-based modular system in 7.5-10 MWh configurations), Gridstack Pro (flagship grid-scale solution with configurable enclosures), and Gridstack (factory-built scalable system). These hardware products share a unified underlying Technology Stack centered on the Fluence Cube, controlled by Fluence OS (6th generation controls platform), and managed through the Fluence IQ digital platform. Software offerings include Mosaic (AI-powered intelligent bidding software) and Nispera (AI-enabled asset performance management acquired in 2022), which run on Fluence IQ and integrate with the hardware platforms. Service offerings include Smart Service Plans for Smartstack and Fluence Service Plans for Gridstack/Ultrastack, with options ranging from complete outsourced maintenance to guided self-service.

Differentiator

Problem solved

Functional benefit

Brands

• Smartstack: High-density AC-based energy storage platform with modular design, available in 7.5 MWh and 10 MWh configurations
• Gridstack Pro
• Gridstack
• Nispera
• Mosaic
• Fluence OS

Products and services

• Smartstack High-density AC-based energy storage platform with modular split-architecture design featuring separate Smart Skid control units and Battery Pods. Available in 7.5 MWh and 10 MWh configurations, offering approximately 30% higher energy density than market alternatives. Designed for utilities, developers, and hyperscale data center operators.
• Gridstack Pro Flagship grid-scale energy storage solution with advanced control and monitoring. Features configurable enclosures and range of storage capacities including 5000 Series (4.9-5.6 MWh in 20ft enclosure) and 2000 Series (2.4 MWh in 40ft container). Supports supply chain agility with mixed cell sourcing.
• Gridstack Factory-built, scalable energy storage system for common energy market needs. Supports 1, 2, and 4+ hour use cases in UL and IEC markets globally. Trusted by leading power generators for reliable grid services on large, complex storage projects.
• Fluence OS 6th generation controls platform built on 14 years of operation. Fully integrated controls software for day-to-day management and dispatch of storage systems, with pre-set modes, market dispatch applications, and external ISO/EMS integration capabilities.
• Mosaic AI-powered intelligent bidding software that maximizes renewables and storage revenue through automated bidding and trading solutions. Uses machine learning for price forecasting and supports day-ahead and real-time market optimization across CAISO, ERCOT, MISO, and Australia NEM markets.

Quantifiable outcome

• 99.3% fleet availability validated by DNV for 50 MW+ projects
• +8 more outcomes

Named customers20 records

Segments5 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability6 records

Feature7 records

Scale indicators15 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• Tesla Energy: Tesla's energy storage business (Megapack, Powerpack) is the closest direct competitor to Fluence, offering utility-scale turnkey BESS solutions with proprietary LFP cells, integrated software (Autobidder), and a global deployment footprint targeting utilities and developers for the same grid-scale use cases as Fluence.
• Sungrow: Sungrow is a leading Chinese power electronics and BESS integrator competing head-to-head with Fluence in utility-scale storage globally, offering turnkey battery solutions with PCS, EMS, and integration services for utility, C&I, and grid applications.
• BYD Energy Storage: BYD is one of the largest vertically integrated BESS and battery manufacturers globally, supplying turnkey storage systems to utilities and developers with proprietary LFP cells, PCS, and system integration, directly competing with Fluence in utility-scale markets including the US, Europe, and Australia.
• Wärtsilä Energy Storage: Wärtsilä's GridSolv and Quantum BESS platforms target the same utility-scale and grid services customers as Fluence, offering integrated energy storage hardware and GEMS Digital Energy Platform software with global deployment for renewable integration and grid stability.
• Powin Energy: Powin is a US-headquartered BESS integrator competing directly with Fluence in utility-scale storage projects across North America, offering turnkey battery systems with proprietary StackOS controls software targeting utilities and developers.
• Saft (TotalEnergies): Saft, a TotalEnergies subsidiary, designs and manufactures battery energy storage systems for grid, renewables integration, and industrial applications, directly competing with Fluence in utility-scale BESS projects globally with its Intensium and Flexion platforms.

Broad incumbents

• Hitachi Energy: Hitachi Energy is a major power infrastructure and grid solutions provider offering BESS and grid-forming inverter technologies as part of its broader portfolio; while not exclusively focused on storage integration like Fluence, it competes in utility-scale energy storage and grid services projects.
• ABB: ABB provides power conversion, grid automation, and energy storage solutions as part of its broad electrification portfolio, overlapping with Fluence in utility-scale BESS integration and grid services, particularly for utility and industrial customers globally.
• Samsung SDI: Samsung SDI is a major battery cell manufacturer with growing utility-scale BESS offerings; while primarily a cell supplier, it increasingly competes with Fluence in integrated storage solutions in markets including the US, Europe, and Asia.

Emerging players

• Stem Inc: Stem is an AI-driven clean energy storage and software company targeting C&I and select utility customers with its Athena platform; it overlaps with Fluence in AI-enabled energy storage optimization software and is expanding into the same digital applications space as Mosaic and Nispera.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/fluenceenergy
• Facebookfacebook.com/fluenceenergy
• LinkedInlinkedin.com/company/fluenceenergy

Compliance11 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles20 records

Subsidiaries1 record

Funding overview

Funding rounds4 records

Investors1 record

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A2 records

Investments2 records

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Fluence