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Narubale

Hydro power plant in Eastern Region, Uganda. Approximate location 0.4432, 33.1852.

HydroEastern RegionUgandaunknown

Narubale is a 180 MW hydro power station in Eastern Region, Uganda. It is operated by Uganda Electricity Generation Company LTD (UEGCL) [100%]. Based on its capacity (estimated), it can supply roughly 180k homes (estimated). It ranks #7 of 16 Uganda power plants by installed capacity. Commissioned in 1954, it is around 72 years old — an older, legacy facility. As a non-combustion source, it has no direct CO₂ emissions from generation. In context, hydro supplies about 86.1% of Uganda's electricity; the national grid averages 59 gCO₂/kWh (97.1% low-carbon) (2024).

180Source-backed capacity
180,205homes powered (est.)
1954commissioned (~72 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1023209.

Data status

Known data

FacilityNarubale WRI
CountryUganda · Eastern Region WRI
Coordinates0.4432, 33.1852 WRI
FuelHydro WRI
MW installed capacity180 MW WRI source record; scope not independently normalised
OwnerUganda Electricity Generation Company LTD (UEGCL) [100%] WRI
Commissioned1954 WRI
Technologyunknown WRI

Calculated from dataset

Capacity rank in country#7 of 16 calculated
Fuel-specific rank in country#3 of 6 calculated
Capacity vs country/fuel peers1.00× · 180 MW median · 6 peers calculated
Homes-powered equivalent180,205 calculated
Climate22.1°C · HDD 0 derived from coordinates
Environmental severityC5 · 47/100 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 (location L100000603680); fuel: WRI source-record fuel

In context: how this plant compares

At 180 MW, Narubale is around the median hydro plant in Uganda (180 MW). Technically it is described as unknown. 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 Uganda

Bujagali Falls: 250 MW250Bujagali F…Kiira: 200 MW200KiiraNarubale: 180 MW180NarubaleBugoye: 11 MW11BugoyeMubuku-3: 10 MW10Mubuku-3Ishasha River: 10 MW10Ishasha Ri…

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

Owner

Operated by Uganda Electricity Generation Company LTD (UEGCL) [100%].

Local climate & thermal context

This hydro plant converts the energy of falling or flowing water through hydro turbines. It sits in a tropical rainforest climate (Köppen Af) — Northern Hemisphere, latitude 0.4°N — which shapes how much energy it can produce and how its output varies through the year.

22.1°Cannual mean temp
0heating degree-days (base 18°C)
1,492cooling degree-days (base 18°C)
1,174 melevation

Monthly mean temperature

J: 22 °CJF: 23 °CFM: 23 °CMA: 22 °CAM: 22 °CMJ: 22 °CJJ: 21 °CJA: 21 °CAS: 22 °CSO: 22 °CON: 22 °CND: 22 °CD23 °C

This site has effectively no heating season (tropical/equatorial climate), so winter heat loss is not the driver here. The thermal concern shifts to year-round process heat and humidity/heat-driven corrosion of hot equipment.

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 an aggressive, high-corrosion environment (estimated ISO 9223 class C5 — Very high), with marine salt corrosion the leading environmental stress.

C5ISO 9223 corrosivity (indicative)
47/100environmental-severity index
1.9°Cseasonal temperature swing
30 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 #3 largest hydro power plant of 6 in Uganda by capacity.

Uganda has 6 hydro power plants in this dataset, together about 662 MW of capacity.

Nearby power plants

Location

Coordinates 0.4432, 33.1852 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Narubale?

Narubale is a 180 MW source-record hydro power plant in Eastern Region, Uganda, commissioned in 1954.

How many homes can Narubale power?

Its output is enough to supply roughly 180,205 homes (estimated).

Who operates Narubale?

Narubale is operated by Uganda Electricity Generation Company LTD (UEGCL) [100%].

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