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Orava Hydroelectric Power Plant Slovakia

Hydro power plant in Zilinsky, Slovakia. Approximate location 49.3756, 19.557.

HydroZilinskySlovakia

Orava Hydroelectric Power Plant Slovakia is a 22 MW hydro power plant in Zilinsky, Slovakia. Based on its capacity (estimated), it can supply roughly 22k homes (estimated). It ranks #33 of 37 Slovakia power plants by installed capacity. As a non-combustion source, it has no direct CO₂ emissions from generation. In context, hydro supplies about 10.9% of Slovakia's electricity; the national grid averages 95 gCO₂/kWh (85.2% low-carbon) (2025).

22Legacy source-record capacity
21,824homes powered (est.)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id GEODB0042652.

Data status

Known data

FacilityOrava Hydroelectric Power Plant Slovakia WRI
CountrySlovakia · Zilinsky WRI
Coordinates49.3756, 19.557 WRI
FuelHydro WRI
MW installed capacity22 MW WRI source record; scope not independently normalised

Calculated from dataset

Capacity rank in country#33 of 37 calculated
Fuel-specific rank in country#18 of 21 calculated
Capacity vs country/fuel peers0.57× · 38 MW median · 21 peers calculated
Homes-powered equivalent21,824 calculated
Climate4.8°C · HDD 4,798 derived from coordinates
Environmental severityC2 · 23/100 derived from coordinates

Not available

OwnerNot available not in dataset
CommissionedNot available not in dataset
TechnologyNot available not in dataset
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 fuel fields on this page are source-record values from the upstream open dataset. They are useful for identification and ranking, but they have not been upgraded to a 2026 registry/GEM-location verified value.

capacity: WRI Global Power Plant Database source-record (legacy); fuel: WRI source-record fuel

In context: how this plant compares

At 22 MW, Orava Hydroelectric Power Plant Slovakia is below the median hydro plant in Slovakia (38 MW). 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 Slovakia

Cierny Vah Pumped Storage Hydroelectric Power Plant Slovakia: 734 MW734Cierny Vah…Gabcikovo Hydroelectric Power Plant Slovakia: 720 MW720Gabcikovo …Liptovska Mara Pumped Storage Hydroelectric Power Plant Slovakia: 198 MW198Liptovska …Miskova Hydroelectric Power Plant Slovakia: 94 MW94Miskova Hy…Nosice Hydroelectric Power Plant Slovakia: 68 MW68Nosice Hyd…Ruzin Pumped Storage Hydroelectric Power plant Slovakia: 60 MW60Ruzin Pump…Povazska Bystrica Hydroelectric Power Plant Slovakia: 55 MW55Povazska B…Kralova Hydroelectric Power Plant Slovakia: 45 MW45Kralova Hy…

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

Local climate & thermal context

This hydro plant converts the energy of falling or flowing water through hydro turbines. It sits in a warm-summer humid continental climate (Köppen Dfb) — Northern Hemisphere, latitude 49.4°N — which shapes how much energy it can produce and how its output varies through the year.

4.8°Cannual mean temp
4,798heating degree-days (base 18°C)
0cooling degree-days (base 18°C)
929 melevation

Monthly mean temperature

J: -4 °CJF: -4 °CFM: 0 °CMA: 4 °CAM: 10 °CMJ: 12 °CJJ: 14 °CJA: 14 °CAS: 10 °CSO: 6 °CON: 0 °CND: -3 °CD14 °C

Heating degree-days here run 95% 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 mild atmospheric environment (estimated ISO 9223 class C2 — Low), with humidity / wetness the leading environmental stress.

C2ISO 9223 corrosivity (indicative)
23/100environmental-severity index
18.3°Cseasonal temperature swing
542 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 #18 largest hydro power plant of 21 in Slovakia by capacity.

Slovakia has 21 hydro power plants in this dataset, together about 2,320 MW of capacity.

Nearby power plants

Location

Coordinates 49.3756, 19.557 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Orava Hydroelectric Power Plant Slovakia?

Orava Hydroelectric Power Plant Slovakia is a 22 MW source-record hydro power plant in Zilinsky, Slovakia.

How many homes can Orava Hydroelectric Power Plant Slovakia power?

Its output is enough to supply roughly 21,824 homes (estimated).

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