Sweden · the named batteries
Volvo Mariestad energy park
Announced, 70 MW · 260 MWh, in Mariestad (SE3), owned by Volvo Group. Every fact below is as a published source states it, with the address beside it; a field not shown is one no source gave, and nothing is guessed.
The battery
| Power | 70 MW |
| Capacity | 260 MWh |
| Duration | 3.7 hours |
| Status | Announced, as of 10 September 2026 |
| Owner’s date | 2027, expected |
| Municipality | Mariestad |
| Bidding zone | SE3, Stockholm |
| Placed on the map | at Mariestad, the seat of its municipality (GeoNames) |
Who is behind it
| Owner | Volvo Group |
| Built by | Volvo Energy |
Not published anywhere we have found: ultimate owner, developer, traded by, cells.
What the sources say
First stage of an energy park beside Volvo's planned cell plant.
Evidence and sources
- name, municipality, owner, builder, power, capacity, bidding zone, status: volvogroup.com/se/news-and-media/news/2026/sep/volvokoncernen-…
From the owners’, developers’ and builders’ own releases and the press, read by Vitreous. Svenska kraftnät publishes no meter, no price and no instruction per battery, so this page carries no money: what one megawatt is paid in each reserve market is on the markets page, for the market as a whole. List id SE-B077.