Who owns Gridstack?
Gridstack is owned by Fluence (the United States, NASDAQ: FLNC).[1]
Evidence: Fluence Energy, Inc. Annual Report on Form 10-K filed 2025-11-25, SEC EDGAR, 25 November 2025. Verified from filings; last checked .
Key facts
- Current owner
- Fluence Energy, Inc. verified
- Owner HQ
- 🇺🇸 United States, Arlington
- Origin
- 🇺🇸 United States
- Category
- Energy › Renewables & clean energy › Storage & EV charging
- Parent ticker
- NASDAQ: FLNC
- Last verified
- · 1 sources
About Gridstack
Gridstack and Gridstack Pro are Fluence's storage solutions for large front-of-the-meter applications, sold to independent power producers, developers and utilities according to the fiscal 2025 Form 10-K.
What Fluence's annual report says about Gridstack
Sentences about Gridstack from Fluence's latest annual filing[1], copied word for word.
Our current solutions include: Gridstack Pro : Energy storage solution designed for large-scale front-of-the-meter applications.
Gridstack Pro is sold to independent power producers ("IPPs"), developers, utilities, and other generators, and is designed to improve density and system performance with both 2- and 4-hour product configurations.
Gridstack Pro is intelligent energy storage for MW to GW scale projects with balanced power to energy matching and increased site density.
How often Fluence names Gridstack in its annual report
A plain count of the times the name appears in the text of each annual report, not counting the start of a sentence. A brand that an owner writes about more is usually one it treats as central. The brand is named more often than it was three years earlier.
Ownership timeline of Gridstack
Where Gridstack sits in Fluence
Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.
Open the full Fluence ownership tree →
See the full Fluence brand portfolio (2) →
Other brands owned by Fluence
Fluence controls 2 brands on Brandtree, 2 of them in energy.
Also in energy
Other brands in storage & ev charging, and who owns them
The 22 brands in storage & ev charging on Brandtree belong to 19 owners. The largest is CATL, with 2; Fluence has 2.
| Brand | Owner | Owner based in |
|---|---|---|
| CATL | CATL | 🇨🇳 China |
| Megapack | Tesla | 🇺🇸 United States |
| ADS-TEC Energy | ADS-TEC Energy | 🇮🇪 Ireland |
| Amaron | Amara Raja | 🇮🇳 India |
| Beam EV ARC | Beam Global | 🇺🇸 United States |
| Blink Network | Blink Charging | 🇺🇸 United States |
| BYD Energy Storage | BYD | 🇨🇳 China |
| CALB | CALB | 🇨🇳 China |
About the owner: Fluence
Fluence is a publicly listed company headquartered in Arlington, United States. Brandtree records 2 brands under its control, and it is listed as NASDAQ: FLNC.
Fluence's fiscal 2025 Form 10-K describes it as a global market leader in energy storage and optimization software, selling to utilities, independent power producers, developers and commercial customers. It says about 24% of revenue was with related parties, mainly AES and its affiliates, and that AES Grid Stability holds about 66.6% of combined voting power through Class B-1 stock.
🇺🇸 Gridstack and other American brands
Brandtree records a controlling owner for 2,399 brands that began in the United States. 461 of them (19%) are now controlled by a company headquartered in another country; Gridstack is not one of them.
- AES Ohio — AES 🇺🇸
- Agway Energy Services — Suburban Propane 🇺🇸
- Alabama Power — Southern Company 🇺🇸
- AmeriGas — UGI 🇺🇸
- American Transmission Company — WEC Energy Group 🇺🇸
- Arch Resources — Core Natural Resources 🇺🇸
Frequently asked questions
Who is the parent company of Gridstack?
The parent company of Gridstack is Fluence, a publicly listed company headquartered in the United States.
Is Gridstack American?
Yes. Gridstack originated in the United States and its owner, Fluence, is also headquartered in the United States.
Is Gridstack still owned by Fluence?
Yes. As of 11 October 2026, Gridstack is still owned by Fluence. The ownership record was last checked against primary sources on that date.
Sources (1) & corrections
Last verified . Every ownership fact above is backed by one of these primary documents. Numbers in brackets in the text refer to this list.
- [1] Fluence Energy, Inc. Annual Report on Form 10-K filed 2025-11-25 — SEC EDGAR, SEC Form 10-K, published 25 November 2025; retrieved 5 October 2026.
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