Pietarsaari Mill
UPM Pietarsaari · also known as UPM Pietarsaari pulp mill
Pietarsaari Mill is an operating kraft pulp mill in Jakobstad, Finland, with a capacity of 800 000 tonnes per year.
- Company
- UPM-Kymmene Oyj
- Group
- UPM
- WoodComp ID
- 00254 (how IDs work)
- Country
- Finland
- City
- Jakobstad
- Status
- Operating
- Capacity
- 800 000 t/y pulpCompany figure for 2024 · verified 2026-09-19
- Type
- Kraft
- Region
- Länsi-Suomi
- Website
- upmpulp.com
63.703, 22.708
Raw material
Products
Certifications
Certification fields are evidence based. How we verify.
Related facilities
Pietarsaari Mill is the 5th largest pulp mill in Finland of the 18 with a pulp capacity figure in WoodComp's register.
- More UPM facilities
- UPM Paso de los Toros Pulp Mill ·Fray Bentos Mill ·Kymi Mill ·Kaukas Mill ·UPM Seikku
- Largest pulp mills in Finland
- Kemi Bioproduct Mill ·Äänekoski Bioproduct Mill ·Imatra Mills ·Joutseno Mill ·Rauma Pulp Mill
- Nearest facilities
- UPM Alholma (1 km) ·HASA Eskola (74 km) ·Lapuan Saha (83 km) ·Junnikkala Kalajoki (85 km) ·Keitele Timber Alajärvi (89 km)
Timeline
- 2026curtailment
Temporary curtailment planned October 2026 (production/wood supply optimization)
Source ↗ - 2026capacity reported
Capacity reported: 800 000 t/y (mill scope, observed 2026-07-22).
Source ↗ - 2022other
In the spring 2022 maintenance shutdown the bleaching processes of both production lines were renewed to cut chemical consumption and the load on the effluent treatment plant, part of a 22 million euro environmental programme across the Finnish pulp mills.
Source ↗
Show all (7)Show fewer
- 1988ownership change
Wilh. Schauman Oy was merged into Kymmene in 1988, and the Pietarsaari operations became part of UPM-Kymmene from 1996.
Source ↗ - 1960ownership change
The pulp company Ab Jakobstads Cellulosa, Pietarsaaren Selluloosa Oy was incorporated into Wilh. Schauman Oy in 1960.
Source ↗ - 1935startup
A sulphite pulp mill built at Alholma in Pietarsaari in 1934 started production in 1935 under the separate company Ab Jakobstads Cellulosa, Pietarsaaren Selluloosa Oy.
Source ↗ - -expansion
During the 1960s Schauman added a sulphate pulp mill and a paper mill at the Pietarsaari site, laying the foundation of the present mill complex.
Source ↗
Sources
Data confidence: High (95 of 100) how this is computed
- company websitechecked 2026-07-23upmpulp.com
- newschecked 2026-07-23modernpowersystems.com
How to cite
WoodComp (). Pietarsaari Mill (WoodComp ID 00254). WoodComp facility database, version 2026-09. Accessed the date you retrieved it. https://woodcomp.world/id/254Data © WoodComp, licensed CC BY-SA 4.0. Attribution required.