Home / South America / Argentina / PLANTA PILOTO FOTOVOLTAICA SAN JUAN 1

PLANTA PILOTO FOTOVOLTAICA SAN JUAN 1

Solar power plant in San Juan, Argentina. Approximate location -31.3891, -68.6752.

SolarSan JuanArgentina

PLANTA PILOTO FOTOVOLTAICA SAN JUAN 1 is a 1 MW solar power plant in San Juan, Argentina. It is operated by EPSE - ENERGIA PROVINCIAL SOCIEDAD DEL ESTADO. Based on its capacity (estimated), it can supply roughly 510 homes (estimated). It ranks #271 of 275 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).

1Source-backed capacity
510homes powered (est.)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id ARG0000298.

Data status

Known data

FacilityPLANTA PILOTO FOTOVOLTAICA SAN JUAN 1 WRI
CountryArgentina · San Juan WRI
Coordinates-31.3891, -68.6752 WRI
FuelSolar WRI
MW installed capacity1 MW WRI source record; scope not independently normalised
OwnerEPSE - ENERGIA PROVINCIAL SOCIEDAD DEL ESTADO WRI

Calculated from dataset

Capacity rank in country#271 of 275 calculated
Fuel-specific rank in country#7 of 7 calculated
Capacity vs country/fuel peers0.04× · 30 MW median · 7 peers calculated
Homes-powered equivalent510 calculated
Climate17.0°C · HDD 1,184 derived from coordinates
Environmental severityC1 · 38/100 derived from coordinates

Not available

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/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 L100000807838); fuel: WRI source-record fuel

In context: how this plant compares

At 1 MW, PLANTA PILOTO FOTOVOLTAICA SAN JUAN 1 is below the median solar plant in Argentina (30 MW). Solar PV converts sunlight directly into electricity with no moving parts or fuel; output varies by time of day and weather, so it pairs with storage or flexible backup.

Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.

Capacity vs largest solar plants in Argentina

Cauchari: 300 MW300CauchariCafayate: 100 MW100CafayateIglesia-Guañizuil: 80 MW80Iglesia-Gu…Caldenes del Oeste: 30 MW30Caldenes d…Saujil: 27 MW27SaujilCHIMBERA 1: 2 MW2CHIMBERA 1PLANTA PILOTO FOTOVOLTAICA SAN JUAN 1: 1 MW1PLANTA PIL…

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

Owner

Operated by EPSE - ENERGIA PROVINCIAL SOCIEDAD DEL ESTADO.

Local climate & thermal context

This solar plant converts sunlight directly into electricity with photovoltaic panels. It sits in a cold desert climate (Köppen BWk) — Southern Hemisphere, latitude 31.4°S — which shapes how much energy it can produce and how its output varies through the year.

17.0°Cannual mean temp
1,184heating degree-days (base 18°C)
793cooling degree-days (base 18°C)
806 melevation

Monthly mean temperature

J: 25 °CJF: 24 °CFM: 21 °CMA: 16 °CAM: 12 °CMJ: 8 °CJJ: 8 °CJA: 10 °CAS: 14 °CSO: 18 °CON: 22 °CND: 24 °CD25 °C

Heating degree-days here run 52% 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: 28/100 — this site sits in the bottom third of the power plants we cover by heating degree-days.

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.

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 benign, low-corrosion environment (estimated ISO 9223 class C1 — Very low), with dust abrasion the leading environmental stress.

C1ISO 9223 corrosivity (indicative)
38/100environmental-severity index
17.0°Cseasonal temperature swing
261 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 #7 largest solar power plant of 7 in Argentina by capacity.

Argentina has 7 solar power plants in this dataset, together about 540 MW of capacity.

Nearby power plants

Location

Coordinates -31.3891, -68.6752 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is PLANTA PILOTO FOTOVOLTAICA SAN JUAN 1?

PLANTA PILOTO FOTOVOLTAICA SAN JUAN 1 is a 1 MW source-record solar power plant in San Juan, Argentina.

How many homes can PLANTA PILOTO FOTOVOLTAICA SAN JUAN 1 power?

Its output is enough to supply roughly 510 homes (estimated).

Who operates PLANTA PILOTO FOTOVOLTAICA SAN JUAN 1?

PLANTA PILOTO FOTOVOLTAICA SAN JUAN 1 is operated by EPSE - ENERGIA PROVINCIAL SOCIEDAD DEL ESTADO.

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