Guajoyo Hydroelectric Power Plant El Salvador
Hydro power plant in Santa Ana, El Salvador. Approximate location 14.2279, -89.4727.
HydroSanta AnaEl Salvador
Guajoyo Hydroelectric Power Plant El Salvador is a 19.7 MW hydro power plant in Santa Ana, El Salvador. Based on its capacity (estimated), it can supply roughly 20k homes (estimated). It ranks #15 of 19 El Salvador power plants by installed capacity. As a non-combustion source, it has no direct CO₂ emissions from generation. In context, hydro supplies about 30.3% of El Salvador's electricity; the national grid averages 139 gCO₂/kWh (86.5% low-carbon) (2025).
Plant data: WRI Global Power Plant Database (CC BY 4.0), id GEODB0043608.
Data status
Known data
Calculated from dataset
Not available
Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.
Data provenance
Capacity and fuel are the upstream open-dataset record, not yet matched to a 2026 registry or GEM entry.
capacity: WRI GPPD; fuel: WRI GPPD
In context: how this plant compares
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.
Key facts
- Share of El Salvador hydro capacity
- 4.2% of 472 MW across 4 plants in this dataset
Calculated from the capacity and generation records in this dataset (WRI Global Power Plant Database (CC BY 4.0)).
Capacity vs largest hydro plants in El Salvador
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 tropical savanna climate (Köppen Aw) — Northern Hemisphere, latitude 14.2°N — which shapes how much energy it can produce and how its output varies through the year.
Monthly mean temperature
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
This site sits in a corrosive environment (estimated ISO 9223 class C4 — High), with humidity / wetness the leading environmental stress.
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 #4 largest hydro power plant of 4 in El Salvador by capacity.
El Salvador has 4 hydro power plants in this dataset, together about 472 MW of capacity.
Nearby power plants
- Ahuachapan Geothermal Power Plant El Salvador · Geothermal · 95 MW · Ahuachapan
- Talnique power station · Oil · 102 MW · Chalatenango
- Nejapa IC Power Plant El Salvador · Oil · 143.9 MW · San Salvador
- Cerron Grande Hydroelectric Power Plant El Salvador · Hydro · 173 MW · Chalatenango
- Trinidad / Marquez · Solar · 18 MW · Sonsonate
- Platanares · Geothermal · 39 MW · Copan
Location
Coordinates 14.2279, -89.4727 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.
Frequently asked questions
What type of power plant is Guajoyo Hydroelectric Power Plant El Salvador?
Guajoyo Hydroelectric Power Plant El Salvador is a 19.7 MW hydro power plant in Santa Ana, El Salvador.