Who owns Wärtsilä Energy Storage?
Wärtsilä Energy Storage is owned by Wärtsilä (Finland).[1]
This ownership is reported in official statements but has not yet been matched to a regulatory filing.
Evidence: Wärtsilä Financial Statements Bulletin January-December 2025, Wärtsilä Corporation, 4 February 2026. Last checked .
Key facts
- Current owner
- Wärtsilä Corporation reported
- Owner HQ
- 🇫🇮 Finland
- Origin
- 🇫🇮 Finland
- Category
- Energy › Renewables & clean energy › Storage & EV charging
- Last verified
- · 1 sources
About Wärtsilä Energy Storage
Wärtsilä Energy Storage is the battery storage segment of Wärtsilä. The company's 2025 financial statements bulletin says it became a separate reporting segment from 1 April 2025 and that the business faced a weak order environment in 2025, with demand expected to improve in 2026.
Ownership timeline of Wärtsilä Energy Storage
Where Wärtsilä Energy Storage sits in Wärtsilä
Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.
Open the full Wärtsilä ownership tree →
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.
| Brand | Owner | Owner based in |
|---|---|---|
| CATL | CATL | 🇨🇳 China |
| Gridstack | Fluence | 🇺🇸 United States |
| 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 |
About the owner: Wärtsilä
Wärtsilä is a publicly listed company headquartered in Finland. Brandtree records 1 brand under its control.
Wärtsilä Corporation reports three segments, Marine, Energy and Energy Storage. Its financial statements bulletin for 2025 says Energy was split in 2025 into Energy, focused on power plants, and Energy Storage, focused on battery storage, and that Wärtsilä shares trade on Nasdaq Helsinki. Only the storage business is recorded here.
🇫🇮 Wärtsilä Energy Storage and other Finnish brands
Brandtree records a controlling owner for 63 brands that began in Finland. 21 of them (33%) are now controlled by a company headquartered in another country; Wärtsilä Energy Storage is not one of them.
- Fortum — Fortum 🇫🇮
- Neste MY Renewable Diesel — Neste 🇫🇮
- Arabia — Fiskars Group 🇫🇮
- Atria — Atria 🇫🇮
- Benecol — Raisio 🇫🇮
- Clash of Clans — Tencent 🇨🇳
Frequently asked questions
Who is the parent company of Wärtsilä Energy Storage?
The parent company of Wärtsilä Energy Storage is Wärtsilä, a publicly listed company headquartered in Finland.
Is Wärtsilä Energy Storage Finnish?
Yes. Wärtsilä Energy Storage originated in Finland and its owner, Wärtsilä, is also headquartered in Finland.
Is Wärtsilä Energy Storage still owned by Wärtsilä?
Yes. As of 5 October 2026, Wärtsilä Energy Storage is still owned by Wärtsilä. 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] Wärtsilä Financial Statements Bulletin January-December 2025 — Wärtsilä Corporation, Stock exchange filing, published 4 February 2026; retrieved 5 October 2026.
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