Fluence
Transforming the way we power our world.
1950 employees · est. 2018 · Arlington, United States
Peak Energy
The Storage Standard for the New Era of Energy
121 employees · est. 2023 · Denver, United States
Fluence is the older company (2018 vs 2023); Fluence is the larger of the two.
Side-by-Side Comparison
| Metric | Fluence | Peak Energy |
|---|---|---|
| Founded | ||
| Founded | 2018 older | 2023 |
| Headquarters | ||
| Headquarters | Arlington, United States | Denver, United States |
| Employees | ||
| Employees | 1950 larger | 121 |
| Industry | ||
| Industry | Not tracked yet | Energy, Renewable Energy |
| Funding Stage | ||
| Funding Stage | IPO | Series A |
| Total Funding | ||
| Total Funding | $1.87B | $65.00M |
| Funding Rounds | ||
| Funding Rounds | 5 | 2 |
| Services | ||
| Services | Energy Storage Solutions, Smartstack High-Density Platforms, Gridstack and Gridstack Pro Systems, Bidding Software (Mosaic), Asset Performance Management (Nispera) | Design and Manufacture of Energy Storage Systems, Deployment of Grid-Scale Battery Solutions, Research and Development of Sodium-Ion Technology, System Integration and Grid Interconnection |
| Target Customers | ||
| Target Customers | Utilities, Data Centers, Renewable Energy Integrators, Infrastructure Developers, Energy System Operators | Utilities, Independent Power Producers, Data Centers, AI Infrastructure Developers, Renewable Energy Companies |
| Taxonomy | ||
| Taxonomy | Intelligent Energy Storage, Energy Optimization Software, Renewable Energy Solutions, Battery Storage, Grid Resilience, Renewable Portfolio Management, Sustainable Energy Solutions, Energy Project Deployment, Energy Market Leadership, Climate Change Mitigation, Artificial Intelligence In Energy, Technology Innovation In Energy, Operational Services In Energy, Energy Storage Solutions, Clean Energy Transformation | Energy Storage, Giga-Scale Storage, Sodium-Ion Batteries, Vertical Integration, Grid Resilience, Independent Power Producers, Utilities Collaboration, Giga-Battery-Factory, Grid Decarbonization, Cost Reduction, Renewable Energy Performance, Battery Technology, Engineering Expertise, Energy Innovation, Clean Energy Solutions |
| Website | ||
| Website | fluenceenergy.com | peakenergy.com |
About Fluence
Fluence, with its slogan "Transforming the way we power our world," is redefining the energy sector through its intelligent energy storage and optimization software. Listed on Nasdaq under FLNC, the company is a global leader in supporting renewable energy portfolios by offering solutions that bolst...
About Peak Energy
Peak Energy, with its slogan "The Storage Standard for the New Era of Energy," is an emerging American venture striving to redefine giga-scale energy storage solutions at low cost. Founded in 2023 and headquartered in the United States, the company is strategically positioned within the Energy and R...
We will tell you when either one moves
BounceWatch watches Fluence and Peak Energy for new funding, fast hiring, new executives and a change of software vendor. When one happens, we email you the same day.
Funding, hiring, leadership and stack changes at Fluence and Peak Energy — by email.
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Compiled from the BounceWatch company index. We last looked at Fluence on 12 Jun 2026, and Peak Energy on 18 Aug 2025. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.