La Cocha, Tucuman, Argentina, located in the Southern Sub Tropics, offers reasonably good conditions for year-round solar energy generation, though with notable seasonal variation in output potential.
Seasonal Solar Performance
The location demonstrates strong seasonal patterns in solar electricity generation. Spring delivers the highest output at 6.61 kWh per day per kW of installed solar capacity, followed closely by summer at 6.37 kWh per day. These warmer months from September through March represent the ideal time for solar energy production at this site. Winter and autumn show reduced but still viable production levels, generating 4.40 kWh and 4.26 kWh per day respectively per kW installed. This seasonal dip is typical for locations in the Southern Hemisphere, where winter months bring shorter days and lower sun angles.Optimal Panel Configuration
For fixed panel installations at La Cocha, Tucuman, the ideal tilt angle to maximize total year-round solar production is 25 degrees facing North. This angle balances the varying sun positions throughout the year to optimize overall energy capture across all seasons.Environmental and Weather Considerations
Several local factors could potentially impact solar production at this Southern Sub Tropical location:- High humidity levels typical of subtropical climates can reduce panel efficiency and create condensation issues
- Seasonal rainfall patterns may cause temporary output reductions and require regular panel cleaning
- Dust accumulation during dry periods can significantly decrease panel performance
- Potential for severe weather events including hail storms that could damage equipment
Preventative Installation Measures
To maximize energy production despite these challenges, several installation strategies prove effective:- Install panels with adequate ventilation spacing to reduce heat buildup and moisture retention
- Use tempered glass panels rated for hail impact resistance
- Implement regular cleaning schedules, particularly during dry seasons when dust accumulation peaks
- Consider anti-soiling coatings on panel surfaces to reduce maintenance requirements
- Ensure proper drainage around installations to prevent water pooling during heavy rains
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 La Cocha
Seasonal solar PV output for Latitude: -27.7833, Longitude: -65.5667 (La Cocha, 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 25° North in La Cocha, Argentina
To maximize your solar PV system's energy output in La Cocha, Argentina (Lat/Long -27.7833, -65.5667) throughout the year, you should tilt your panels at an angle of 25° 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 La Cocha, 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 La Cocha, Argentina. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 25° North tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 12° North in Summer | 34° North in Autumn | 43° North in Winter | 21° 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 La Cocha, 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 La Cocha, 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 La Cocha, Argentina
Topographical Features Around La Cocha
La Cocha sits within the northwestern region of Argentina in Tucumán Province, positioned along the eastern slopes of the Andes mountain range. The area is characterized by a transitional landscape where the dramatic Andean foothills gradually give way to the flatter expanses of the Chaco plains to the east. This location places La Cocha at an elevation of approximately 450 meters above sea level, creating a gently undulating terrain with moderate relief. The immediate surroundings feature rolling hills and broad valleys that have been carved by seasonal water courses flowing eastward from the mountains. These valleys tend to be relatively wide and open, with gentle gradients that make them naturally suitable for large-scale development projects. The terrain becomes progressively flatter as one moves eastward away from the Andean influence, transitioning into the characteristic low-relief landscape of the Gran Chaco region. The soil composition in this area consists primarily of alluvial deposits carried down from the mountains over millennia, creating relatively stable ground conditions. The vegetation is typically sparse scrubland and grassland, with scattered tree coverage that increases in density closer to water sources and decreases significantly in the drier eastern areas.Optimal Areas for Large-Scale Solar Development
The most promising locations for extensive solar photovoltaic installations lie primarily to the east and southeast of La Cocha, where the topography becomes increasingly flat and uniform. These areas offer the dual advantages of minimal grading requirements and reduced infrastructure costs due to the gentle terrain. The broad valley floors extending eastward provide particularly attractive sites, as they combine relatively level ground with good accessibility for construction and maintenance vehicles. The eastern plains represent the ideal zone for mega-scale solar farms, as the landscape here consists of vast, gently sloping expanses with minimal natural obstacles. These areas require little to no earthwork preparation, significantly reducing initial development costs while providing the stable, uniform conditions necessary for optimal panel installation and performance. Areas immediately adjacent to existing road networks would be particularly advantageous, as they offer easier access for construction equipment and ongoing maintenance operations. The flatter terrain in these locations also facilitates the installation of tracking systems, which can be more challenging to implement on uneven ground. The southeastern quadrant from La Cocha presents especially favorable conditions, combining the flattest available terrain with good drainage characteristics that help prevent water accumulation during the rainy season. This region also benefits from being sufficiently distant from the mountain slopes to avoid potential issues with wind channeling effects or shadow casting from elevated terrain features.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: Wednesday 16th of July 2025
Last Updated: Wednesday 6th 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.




