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Caldenes del Oeste

Solar power plant in San Luis, Argentina. Approximate location -33.61, -65.445.

SolarSan LuisArgentina

Caldenes del Oeste is a 30 MW solar power plant in San Luis, Argentina. Based on its capacity (estimated), it can supply roughly 12,764 homes (estimated). It ranks #100 of 236 Argentina power plants by installed capacity. As a non-combustion source, it has no direct CO₂ emissions from generation. In context, solar supplies about 3.4% of Argentina's electricity; the national grid averages 346 gCO₂/kWh (41.6% low-carbon) (2025).

30MW installed capacity
12,764homes powered (est.)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id WKS0072494.

Capacity vs largest solar plants in Argentina

Cauchari: 300 MW300CauchariCafayate: 80 MW80CafayateIglesia-Guañizuil: 80 MW80Iglesia-Gu…Caldenes del Oeste: 30 MW30Caldenes d…Saujil: 22 MW22SaujilCHIMBERA 1: 2 MW2CHIMBERA 1PLANTA PILOTO FOTOVOLTAICA SAN JUAN 1: 1 MW1PLANTA PIL…

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

Local climate & thermal context

This solar plant converts sunlight directly into electricity with photovoltaic panels. It sits in a humid subtropical climate (Köppen Cfa) — Southern Hemisphere, latitude 33.6°S — which shapes how much energy it can produce and how its output varies through the year.

16.4°Cannual mean temp
1,198heating degree-days (base 18°C)
605cooling degree-days (base 18°C)
492 melevation

Monthly mean temperature

J: 24 °CJF: 22 °CFM: 20 °CMA: 16 °CAM: 12 °CMJ: 9 °CJJ: 8 °CJA: 10 °CAS: 14 °CSO: 17 °CON: 20 °CND: 23 °CD24 °C

Heating degree-days here run 51% below 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: 29/100 — this site sits in the bottom third of the power plants we cover by heating degree-days.

In colder climates, uninsulated hot equipment (boilers, turbines, valves, steam lines) loses proportionally more heat to ambient air — exactly the loss Inzonex modular insulation is designed to cut.

Solar PV loses ~0.35%/°C above 25°C cell temperature — roughly 0.0% at warm-season highs here (estimate).

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.

How it compares & nearby plants

The #4 largest solar power plant of 7 in Argentina by capacity.

Argentina has 7 solar power plants in this dataset, together about 516 MW of capacity.

Nearby power plants

Location

Coordinates -33.61, -65.445 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

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