Vitreous LabsEnergy transparency

Nala Vuolijoki

Being built, 125 MW · 250 MWh, in Kajaani, owned by Nala Renewables. 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

Power125 MW
Capacity250 MWh
Duration2.0 hours
StatusBeing built, as of 8 October 2026
MunicipalityKajaani (Vuolijoki)
Placed on the mapat Vuolijoki, the place its name carries (GeoNames)

Who is behind it

OwnerNala Renewables
Ultimate ownerIFM Investors (Nala's owner per the release of 8 Oct 2026)
DeveloperFu-Gen (originated); Nala Renewables (developer and owner from 2026)
Built byDespro (EPCM); Destia Oy (balance of plant); Sungrow (BESS technology)

No source names the company that holds it. Possible project company in YTJ, by name only: Vuolijoen Sähkövarasto Oy (3491326-2, Espoo).

Not published anywhere we have found: cells. The page says so rather than guessing.

What the sources say

Nala (8 Oct 2026): notice to proceed issued, construction phase; Rabobank finances. Fu-Gen closed the sale to Nala (16 Feb 2026). Vuolijoki merged into Kajaani in 2007; the sources say Vuolijoki.

Evidence and sources

From the owners’, developers’ and builders’ own releases, council decisions and permit bulletins, read by Vitreous and checked against the owners’ own words on 12 October 2026; a bracket such as “(Energy-Storage.news only)” in a field means the trade press is still the only source for it. Fingrid publishes no meter, no price and no instruction per battery, so this page carries no money: what one megawatt is paid in Fingrid’s markets is on the markets page, for the whole market and never for a named battery. List id FI-B025.

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