Fluence, based in Arlington, Virginia, and formed by Siemens and AES, supplies grid-scale battery storage systems and software for asset management and energy trading. It reported 19.3 GWh of energy storage deployed as of 30 June 2026.
At a glance
| Price from | Custom |
| Best for | Utilities and independent power producers that want strong storage software |
From Fluence's own website.
What stands out
- Software for trading and asset performance
- Backed by Siemens and AES
Worth knowing
- Relies on third-party cell suppliers
- Recent cuts to financial guidance
How it ranks
Fluence is ranked 5th of 10 in Best Energy Storage Companies (Lister Score 92.2).
#5 in Best Energy Storage Companies · Lister Score 92.2
Fluence reported 19.3 GWh of energy storage deployed as of 30 June 2026..
| Rank | Best Energy Storage Companies | Score |
|---|---|---|
| 1 | Tesla Energy (Megapack) | 97.3 |
| 2 | BYD Energy Storage | 96.0 |
| 3 | CATL | 94.8 |
| 4 | Sungrow | 93.5 |
| 5 | Fluence | 92.2 |
| 6 | Hithium | 90.9 |
| 7 | LG Energy Solution Vertech | 89.5 |
| 8 | Valo (Wärtsilä and RCT Solutions) | 88.1 |
| 9 | Canadian Solar e-STORAGE | 86.7 |
| 10 | Form Energy | 85.3 |
Frequently asked questions
How does Fluence rank on Lister?
Fluence is ranked 5th of 10 in Best Energy Storage Companies (Lister Score 92.2).
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