Stora Enso Packaging Boards Skoghall Mill - Udden

Stora Enso Packaging Boards Skoghall Mill - Udden is a pulp & paper mill in Sweden. Its listed capacity is 650,000 t of pulp & paper. Pulp and paper mills generate their own steam for the pulping process and paper dryers, running large-scale boiler systems where heat loss directly reduces efficiency. It is operated by Stora Enso Oyj. By capacity it ranks #6 among 11 pulp & paper mills in Sweden. It emits about 330,968 t CO₂e a year from Climate TRACE, roughly comparable to the annual emissions of 77k passenger cars. Its CO₂ per unit of capacity is 6% below the national median for this sector.

Facility data: Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0), id ct-44375658.

In context: how this facility compares

At 650,000 t of pulp & paper, Stora Enso Packaging Boards Skoghall Mill - Udden is around the median pulp & paper mill in Sweden (650,000 t of pulp & paper). Subsector: pulp-and-paper. As pulp & paper mill, it requires high process heat (typically 150–250°C) for its core industrial operations — heat that must be supplied by boilers, furnaces or direct combustion, and losses through uninsulated vessels and piping represent wasted fuel. Removable modular insulation can cut those losses by 80–96%, surface-cooling equipment to ≤45°C, with payback often under 2 years. Pulp and paper mills generate their own steam for the pulping process and paper dryers, running large-scale boiler systems where heat loss directly reduces efficiency.

Capacity & CO₂-intensity comparison computed from Climate TRACE industrial facilities data; sector role based on engineering reference.

What 330,968 t CO₂e a year looks like

This facility's estimated annual CO₂e (Climate TRACE, modelled) in everyday equivalents from the US EPA Greenhouse Gas Equivalencies calculator:

Equivalencies: US EPA Greenhouse Gas Equivalencies. Emissions: Climate TRACE.

Capacity vs largest pulp & paper mills in Sweden

Listed capacity (t of pulp & paper), Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0).

Operator

Operated by Stora Enso Oyj. All facilities by this operator →

Local climate

Stora Enso Packaging Boards Skoghall Mill - Udden sits in a warm-summer humid continental climate zone (Köppen Dfb), at 59.3°N in the northern hemisphere.

Köppen zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid).

Site climate & environmental severity

The local climate sets how fast unprotected steel, protective coatings and the insulation on hot process equipment degrade at this site. It sits in a mild atmospheric environment (estimated ISO 9223 class C2 — Low), with humidity / wetness the leading environmental stress.

In this site’s local climate, a bare 150 °C surface sheds about 1441 W/m² to ambient — roughly 1.11× the loss at a 20 °C reference; removable insulation recovers about 1369 W/m² of that. Reference-surface calculation at a 150 °C surface from WorldClim climate normals (ASTM C680 / ISO 12241) — an indicative per-climate comparison, not a measurement of this site’s specific equipment. Open method dataset: DOI 10.5281/zenodo.20787408 (CC BY 4.0).

Higher environmental severity is exactly where protective removable insulation pays back most: a sheltered micro-climate slows corrosion, UV and thermal-cycling damage and extends outdoor hardware service life. This is an indicative site-climate context — not a condition assessment of any specific plant or operator.

Indicative estimate via the ISO 9223:2012 informative method (atmospheric corrosivity from temperature, time-of-wetness and airborne salinity), using WorldClim climate normals, the Köppen-Geiger class and coast distance. Indicative, not a measured corrosion rate.

How it compares & nearby sites

The #6 largest of 11 pulp & paper mills in Sweden by listed capacity (Climate TRACE).

Nearby industrial sites

• Nordic Paper · Pulp & Paper Mill · 117,112 t CO₂
• Skovde Cement Plant · Cement Plant · 275,758 t CO₂
• Vargön Alloys AB · Metals Plant · 163,000 t CO₂
• Borealis AB, Stenungsund · Petrochemical · 578,847 t CO₂
• Arla, Göteborg · Food & Beverage · 136,192 t CO₂
• Preemraff Lysekil Refinery · Refinery · 1,308,186 t CO₂

Location

Coordinates 59.32346, 13.45952. View on OpenStreetMap.

Heat loss & insulation profile

For a pulp & paper mill, the main modular-insulation targets are digesters, dryers, evaporators, steam lines, hot-water systems. Typical hot-surface ranges used for screening: 80–200 °C.

Indicative recoverable energy

A first-pass insulation screen suggests about 8,000 MWh/year of recoverable heat-loss reduction and about 1,600 t CO₂e/year of avoided emissions. Screening estimate scaled from installed process-heat projects and surface-temperature reduction data.

See Inzonex Modular Insulation → Run the calculator →

Screening calculation from facility class, capacity and open emissions/energy context. Engineering survey required before procurement.

Safety & the no-regret first step

Start with a thermal survey of valves, flanges, doors and bends. Removable modular insulation keeps maintenance access open while lowering exposed-surface temperature and wasted heat.

EU policy pressure on this sector

Obligation

This facility is inside the EU. For thermal equipment, insulation upgrades can support ETS exposure reduction and energy-efficiency compliance.

Sources: EU ETS, CBAM and national energy-efficiency schemes.

Frequently asked questions