San Vicente, Misiones, Argentina, located in the Southern Sub Tropics at coordinates -26.6167, -54.1333, presents a moderately favorable location for year-round solar photovoltaic energy generation, though with notable seasonal variations in output.
Seasonal Solar Performance
The solar energy production at San Vicente shows significant seasonal fluctuation throughout the year. Summer delivers the highest output at 7.27kWh per day per kW of installed solar capacity, making it the peak generation period. Spring follows as the second-best season with 6.05kWh/day per kW, while autumn drops to 5.27kWh/day per kW. Winter presents the most challenging period for solar generation, producing only 3.86kWh/day per kW of installed capacity. This seasonal pattern means that solar installations at San Vicente will generate nearly twice as much electricity during summer compared to winter months. The spring and summer periods combined represent the optimal times for solar energy production at this location.Optimal Panel Configuration
For fixed panel installations at San Vicente, Misiones, the ideal tilt angle to maximize total year-round solar production is 23 degrees facing North. This angle is calculated by analyzing daily solar elevation angles throughout the year and weighting them according to solar irradiance data to achieve the best annual average performance.Environmental and Weather Challenges
Several local factors could potentially impact solar energy production at San Vicente and require consideration during installation:- Subtropical humidity and moisture: The Southern Sub Tropical location means high humidity levels that can lead to moisture buildup on panels, reducing efficiency and potentially causing long-term degradation
- Seasonal rainfall patterns: Subtropical regions typically experience distinct wet and dry seasons, with heavy rainfall during certain periods that can temporarily reduce solar output
- Dust and debris accumulation: Argentina's continental climate can bring dust storms and airborne particles that settle on solar panels
- Temperature fluctuations: Significant seasonal temperature variations can affect panel efficiency and component longevity
Preventative Measures for Enhanced Performance
To maximize solar energy production and system longevity at San Vicente, Misiones, several installation strategies should be implemented:- Proper drainage systems: Install panels with adequate spacing and drainage channels to prevent water pooling and ensure quick drying after rainfall
- Regular cleaning protocols: Establish a maintenance schedule for panel cleaning, particularly during dry seasons when dust accumulation is highest
- Ventilation considerations: Ensure proper airflow beneath panels to reduce heat buildup and maintain optimal operating temperatures
- Quality mounting systems: Use corrosion-resistant mounting hardware suitable for humid subtropical conditions
- Protective coatings: Consider anti-soiling coatings on panels to reduce dust adhesion and improve self-cleaning during rainfall
Note: The Southern Sub Tropics extend from -23.5° latitude South down to -35° latitude.
So far, we have conducted calculations to evaluate the solar photovoltaic (PV) potential in 519 locations across Argentina. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.
Link: Solar PV potential in Argentina by location
Solar output per kW of installed solar PV by season in San Vicente
Seasonal solar PV output for Latitude: -26.6167, Longitude: -54.1333 (San Vicente, Argentina), based on our analysis of 8760 hourly intervals of solar and meteorological data (one whole year) retrieved for that set of coordinates/location from NASA POWER (The Prediction of Worldwide Energy Resources) API:
 
Ideally tilt fixed solar panels 23° North in San Vicente, Argentina
To maximize your solar PV system's energy output in San Vicente, Argentina (Lat/Long -26.6167, -54.1333) throughout the year, you should tilt your panels at an angle of 23° North for fixed panel installations.
As the Earth revolves around the Sun each year, the maximum angle of elevation of the Sun varies by +/- 23.45 degrees from its equinox elevation angle for a particular latitude. Finding the exact optimal angle to maximise solar PV production throughout the year can be challenging, but with careful consideration of historical solar energy and meteorological data for a certain location, it can be done precisely.
We use our own calculation, which incorporates NASA solar and meteorological data for the exact Lat/Long coordinates, to determine the ideal tilt angle of a solar panel that will yield maximum annual solar output. We calculate the optimal angle for each day of the year, taking into account its contribution to the yearly total PV potential at that specific location.
Seasonally adjusted solar panel tilt angles for San Vicente, Argentina
If you can adjust the tilt angle of your solar PV panels, please refer to the seasonal tilt angles below for optimal solar energy production in San Vicente, Argentina. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 23° North tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 11° North in Summer | 32° North in Autumn | 42° North in Winter | 19° North in Spring |
Our recommendations take into account more than just latitude and Earth's position in its elliptical orbit around the Sun. We also incorporate historical solar and meteorological data from NASA's Prediction of Worldwide Energy Resources (POWER) API to assign a weight to each ideal angle for each day based on its historical contribution to overall solar PV potential during a specific season.
This approach allows us to provide much more accurate recommendations than relying solely on latitude, as it considers unique weather conditions in different locations sharing the same latitude worldwide.
Calculate solar panel row spacing in San Vicente, Argentina
We've added a feature to calculate minimum solar panel row spacing by location. Enter your panel size and orientation below to get the minimum spacing in San Vicente, Argentina.
Our calculation method
- Solar Position:
We determine the Sun's position on the Winter solstice using the location's latitude and solar declination. - Shadow Projection:
We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle. - Minimum Spacing:
We add the shadow length to the horizontal space occupied by tilted panels.
This approach ensures maximum space efficiency while avoiding shading during critical times, as the Winter solstice represents the worst-case scenario for shadow length.
Topography for solar PV around San Vicente, Argentina
Topographical Features of San Vicente
San Vicente sits within the northern region of Argentina's Misiones Province, characterized by gently rolling hills and undulating terrain typical of the Paraná Plateau. The landscape around this coordinates features moderate elevation changes with hills rising to approximately 200-300 meters above sea level. The topography is generally favorable for development, with slopes that are neither too steep nor completely flat. The area forms part of the broader Atlantic Forest region, where the natural terrain consists of red lateritic soils formed from ancient basaltic rock. These geological foundations create a relatively stable base for infrastructure development. The rolling nature of the landscape provides natural drainage patterns, with small streams and waterways flowing toward the Paraná River system to the west.Regional Terrain Characteristics
Moving outward from San Vicente, the topography maintains its characteristic gentle undulations across much of northern Misiones. To the north and east, the terrain gradually becomes more pronounced as it approaches the Brazilian border highlands. The western areas tend to flatten somewhat as they approach the Paraná River valley, creating broader expanses of more uniform elevation. The region experiences subtropical conditions with dense vegetation coverage in its natural state, though much of the area has been cleared for agricultural use, particularly for tea and yerba mate cultivation. This agricultural development has created open spaces with relatively gentle gradients that could accommodate large-scale installations.Optimal Areas for Large-Scale Solar Development
The most suitable locations for extensive solar photovoltaic installations would be found in the cleared agricultural lands west and southwest of San Vicente, where the terrain flattens as it approaches the Paraná River valley. These areas offer several advantages including gentler slopes, existing cleared land, and better accessibility for construction and maintenance activities. The plateaus and broader hilltops in the immediate vicinity also present excellent opportunities, particularly those areas that have been previously developed for agriculture. These elevated positions benefit from good air circulation and drainage while maintaining relatively flat surfaces suitable for solar array installation. Areas to the southeast, where the terrain remains gently rolling but has been cleared for farming, would also be well-suited for solar development. The key advantage of these locations lies in their combination of appropriate topography, existing land use patterns that have removed dense forest cover, and proximity to existing agricultural infrastructure that could support solar facility development. The northern sectors, while topographically suitable in many areas, tend to retain more of their original forest cover and steeper gradients as elevation increases toward the Brazilian highlands, making them less practical for large-scale solar installations.Argentina solar PV Stats as a country
Argentina ranks 43rd in the world for cumulative solar PV capacity, with 1,071 total MW's of solar PV installed. This means that 1.50% of Argentina's total energy as a country comes from solar PV (that's 35th in the world). Each year Argentina is generating 24 Watts from solar PV per capita (Argentina ranks 63rd in the world for solar PV Watts generated per capita). [source]
Are there incentives for businesses to install solar in Argentina?
Yes, there are several incentives for businesses wanting to install solar energy in Argentina. The government offers a range of tax credits and subsidies for businesses that invest in renewable energy projects. Additionally, the country has implemented a net metering system which allows businesses to sell excess electricity generated from their solar installations back to the grid at a premium rate. Finally, the government also provides access to low-interest loans and grants for businesses looking to invest in solar energy projects.
Do you have more up to date information than this on incentives towards solar PV projects in Argentina? Please reach out to us and help us keep this information current. Thanks!
Citation Guide
Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Friday 18th of July 2025
Last Updated: Thursday 7th of August 2025
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Compare this location to others worldwide for solar PV potential
The solar PV analyses available on our website, including this one, are offered as a free service to the global community. Our aim is to provide education and aid informed decision-making regarding solar PV installations.
However, please note that these analyses are general guidance and may not meet specific project requirements. For in-depth, tailored forecasts and analysis crucial for feasibility studies or when pursuing maximum ROI from your solar projects, feel free to contact us; we offer comprehensive consulting services expressly for this purpose.
Helping you assess viability of solar PV for your site
Calculate Your Optimal Solar Panel Tilt Angle: A Comprehensive Guide
Enhance your solar panel's performance with our in-depth guide. Determine the best tilt angle using hard data, debunk common misunderstandings, and gain insight into how your specific location affects solar energy production.




