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Skollenborg

Hydro power plant in Buskerud, Norway. Approximate location 59.6189, 9.6677.

HydroBuskerudNorwayrun-of-river

Skollenborg is a 97 MW hydro power plant in Buskerud, Norway. It is operated by Statkraft [30%]; Glitre Energi [69%]. Based on its capacity (estimated), it can supply roughly 97k homes (estimated). It ranks #91 of 307 Norway power plants by installed capacity. Commissioned in 1983, it is around 43 years old — long-established. As a non-combustion source, it has no direct CO₂ emissions from generation. In context, hydro supplies about 90.0% of Norway's electricity; the national grid averages 28 gCO₂/kWh (99.0% low-carbon) (2025).

97Source-backed capacity
97,110homes powered (est.)
1983commissioned (~43 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1003499.

Data status

Known data

FacilitySkollenborg WRI
CountryNorway · Buskerud WRI
Coordinates59.6189, 9.6677 WRI
FuelHydro WRI
MW installed capacity97 MW WRI source record; scope not independently normalised
OwnerStatkraft [30%]; Glitre Energi [69%] WRI
Commissioned1983 WRI
Technologyrun-of-river WRI

Calculated from dataset

Capacity rank in country#91 of 307 calculated
Fuel-specific rank in country#84 of 291 calculated
Capacity vs country/fuel peers2.26× · 43 MW median · 291 peers calculated
Homes-powered equivalent97,110 calculated
Climate4.7°C · HDD 4,843 derived from coordinates
Environmental severityC3 · 30/100 derived from coordinates

Not available

GWh reported / yrNot available not in dataset
CO₂ emissionsnot applicable not applicable

Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.

Data provenance

The capacity and/or fuel fields on this page include a source-backed provenance label from GEM, an official registry, Wikidata, OSM, or a cross-source match.

capacity: GEM tracker 2026 operating-unit sum (location L100000602969); fuel: WRI source-record fuel

In context: how this plant compares

At 97 MW, Skollenborg is well above the median hydro plant in Norway (43 MW). Technically it is described as run-of-river. Hydropower converts the energy of falling or flowing water into electricity; output depends on rainfall and reservoir level, and large dams also provide grid balancing and storage.

Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.

Capacity vs largest hydro plants in Norway

Kvilldal: 1,444 MW1kKvilldalAurland5: 1,398 MW1kAurland5Tonstad: 960 MW960TonstadSy-Sima: 720 MW720Sy-SimaSaurdal: 640 MW640SaurdalSvartisen: 600 MW600SvartisenLang Sima: 580 MW580Lang SimaRana: 570 MW570Rana

Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).

Owner

Operated by Statkraft [30%]; Glitre Energi [69%].

Local climate & thermal context

This hydro plant converts the energy of falling or flowing water through hydro turbines. It sits in a subarctic (boreal) climate (Köppen Dfc) — Northern Hemisphere, latitude 59.6°N — which shapes how much energy it can produce and how its output varies through the year.

4.7°Cannual mean temp
4,843heating degree-days (base 18°C)
0cooling degree-days (base 18°C)
319 melevation

Monthly mean temperature

J: -5 °CJF: -4 °CFM: -1 °CMA: 3 °CAM: 10 °CMJ: 14 °CJJ: 16 °CJA: 14 °CAS: 10 °CSO: 5 °CON: -1 °CND: -4 °CD16 °C

Heating degree-days here run 97% above the median power plant in this dataset — a proxy for how much extra energy heated equipment must replace through its surfaces in winter.

Climate heat-demand index: 93/100 — this site sits in the top third of the power plants we cover by heating degree-days.

Climate normals: WorldClim 2.1 (1970–2000 monthly normals, 10 arc-min, CC BY 4.0); zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid). Degree-days & heat-demand index computed by PowerAtlas — a modelled heat-demand proxy, not a measured site figure.

Site climate & environmental severity

For a plant’s outdoor hardware — heat-recovery steam generators (HRSG), expansion joints, valves, flanges and their insulation — the local climate sets how fast unprotected steel and coatings degrade. This site sits in a moderately corrosive environment (estimated ISO 9223 class C3 — Medium), with humidity / wetness the leading environmental stress.

C3ISO 9223 corrosivity (indicative)
30/100environmental-severity index
20.4°Cseasonal temperature swing
41 kmdistance to coast

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 plants

The #84 largest hydro power plant of 291 in Norway by capacity.

Norway has 291 hydro power plants in this dataset, together about 28,512 MW of capacity.

Nearby power plants

Location

Coordinates 59.6189, 9.6677 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Skollenborg?

Skollenborg is a 97 MW source-record hydro power plant in Buskerud, Norway, commissioned in 1983.

How many homes can Skollenborg power?

Its output is enough to supply roughly 97,110 homes (estimated).

Who operates Skollenborg?

Skollenborg is operated by Statkraft [30%]; Glitre Energi [69%].

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