Home / Europe / Norway / Bagn

Bagn

Hydro power plant in Oppland, Norway. Approximate location 60.8261, 9.5448.

HydroOpplandNorwayrun-of-river

Bagn is a 75 MW hydro power plant in Oppland, Norway. It is operated by Skagerak Energi AS [80%]; Storbrofoss Kraftanlegg [20%]. Based on its capacity (estimated), it can supply roughly 75k homes (estimated). It ranks #110 of 307 Norway power plants by installed capacity. Commissioned in 1963, it is around 63 years old — an older, legacy facility. 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).

75Source-backed capacity
75,085homes powered (est.)
1963commissioned (~63 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1003019.

Data status

Known data

FacilityBagn WRI
CountryNorway · Oppland WRI
Coordinates60.8261, 9.5448 WRI
FuelHydro WRI
MW installed capacity75 MW WRI source record; scope not independently normalised
OwnerSkagerak Energi AS [80%]; Storbrofoss Kraftanlegg [20%] WRI
Commissioned1963 WRI
Technologyrun-of-river WRI

Calculated from dataset

Capacity rank in country#110 of 307 calculated
Fuel-specific rank in country#103 of 291 calculated
Capacity vs country/fuel peers1.74× · 43 MW median · 291 peers calculated
Homes-powered equivalent75,085 calculated
Climate1.6°C · HDD 5,955 derived from coordinates
Environmental severityC2 · 23/100 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.

Capacity provenance

The public capacity above is a source-verified 2026 capacity claim: 75 MW for Bagn hydroelectric plant.

Source: GEM tracker raw 2026. Scope: operating/nameplate; source-backed GEM tracker 2026 plant record. Confidence: high_source_row_verified.

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 (location L100000602892); fuel: WRI source-record fuel

In context: how this plant compares

At 75 MW, Bagn 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 Skagerak Energi AS [80%]; Storbrofoss Kraftanlegg [20%].

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 60.8°N — which shapes how much energy it can produce and how its output varies through the year.

1.6°Cannual mean temp
5,955heating degree-days (base 18°C)
0cooling degree-days (base 18°C)
671 melevation

Monthly mean temperature

J: -8 °CJF: -8 °CFM: -4 °CMA: 0 °CAM: 6 °CMJ: 11 °CJJ: 13 °CJA: 11 °CAS: 7 °CSO: 2 °CON: -4 °CND: -7 °CD13 °C

Heating degree-days here run 142% 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: 98/100 — 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 mild atmospheric environment (estimated ISO 9223 class C2 — Low), with humidity / wetness the leading environmental stress.

C2ISO 9223 corrosivity (indicative)
23/100environmental-severity index
21.1°Cseasonal temperature swing
187 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 #103 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 60.8261, 9.5448 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Bagn?

Bagn is a 75 MW source-record hydro power plant in Oppland, Norway, commissioned in 1963.

How many homes can Bagn power?

Its output is enough to supply roughly 75,085 homes (estimated).

Who operates Bagn?

Bagn is operated by Skagerak Energi AS [80%]; Storbrofoss Kraftanlegg [20%].

Built from open public data; no personal information. Operate this site? Request a correction or removal.