Pocito, San Juan, Argentina, nestled in the Southern Sub Tropics at latitude -31.6478 and longitude -68.5848, offers promising conditions for solar photovoltaic (PV) energy generation throughout the year, though with notable seasonal variations.
Seasonal Solar Production
Solar energy production in Pocito follows a predictable seasonal pattern. Summer months deliver exceptional performance with panels generating approximately 8.24kWh per day for each kilowatt installed. Spring follows closely behind with an impressive 7.92kWh/day per installed kilowatt. Production decreases during autumn to 5.09kWh/day and reaches its minimum during winter months at 4.30kWh/day per kilowatt of installed capacity.
This pattern indicates that Pocito experiences strong solar potential year-round, with even the lowest production season (winter) still delivering reasonable output. The summer-to-winter ratio of approximately 1.9:1 suggests good consistency compared to many locations where winter production can drop to negligible levels.
Optimal Panel Installation
For fixed solar panel installations in Pocito, San Juan, the ideal tilt angle to maximize year-round energy production is 28 degrees facing North. This carefully calculated angle balances seasonal variations and the sun's changing position throughout the year to capture the maximum possible solar radiation across all seasons.
Environmental Considerations
Several environmental factors could potentially affect solar production in Pocito:
- Dust and dirt accumulation: The semi-arid climate of the region can lead to dust buildup on panels, potentially reducing efficiency by 5-15% if not addressed. Regular cleaning maintenance is recommended, potentially with automated cleaning systems for larger installations.
- Temperature effects: High summer temperatures in this subtropical region can slightly reduce panel efficiency. Installing panels with adequate airflow beneath them and selecting high-temperature-rated equipment can mitigate these effects.
- Occasional extreme weather: While rare, hailstorms can occur in this region. Installing panels rated for impact resistance and considering protective measures during severe weather warnings can prevent damage.
Overall, Pocito presents an excellent location for solar PV installations with strong year-round production potential, especially during spring and summer months. With proper installation at the optimal 28-degree northward tilt and attention to basic maintenance needs, solar systems in this location can provide reliable renewable energy throughout the year.
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 Pocito
Seasonal solar PV output for Latitude: -31.6478, Longitude: -68.5848 (Pocito, 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 28° North in Pocito, Argentina
To maximize your solar PV system's energy output in Pocito, Argentina (Lat/Long -31.6478, -68.5848) throughout the year, you should tilt your panels at an angle of 28° 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 Pocito, 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 Pocito, Argentina. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 28° North tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 16° North in Summer | 37° North in Autumn | 47° North in Winter | 25° 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 Pocito, 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 Pocito, 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 Pocito, Argentina
The landscape surrounding Pocito, Argentina, located in the province of San Juan, is characterized by its striking topographical diversity. Situated at approximately 31.6 degrees south latitude and 68.5 degrees west longitude, Pocito lies within a semi-arid region nestled between the Andes Mountains to the west and the Pampas plains to the east. The immediate area around Pocito features a relatively flat valley floor that forms part of the Tulum Valley, with gentle slopes and alluvial plains. This valley is bordered by impressive mountain ranges that create a dramatic backdrop to the otherwise level terrain. The elevation in the valley floor where Pocito is situated ranges between 600 to 700 meters above sea level, providing a natural basin surrounded by higher elevations.
Mountain Influences
To the west, the imposing Andes Mountains rise dramatically, with the Precordillera (the foothills of the Andes) creating a significant topographical feature. These mountains act as a natural barrier that influences the local climate, creating a rain shadow effect that contributes to the region's aridity. The mountains display rugged terrain with steep slopes, deep valleys, and exposed rock formations. To the east, the Sierra de Pie de Palo mountain range provides another significant topographical element, rising from the otherwise flat plains. This isolated mountain mass stands in contrast to the valley floor, reaching heights of over 3,000 meters.Hydrological Features
The region's hydrology is dominated by the San Juan River system, which flows through the broader area, though often with limited water due to the arid climate. Numerous dry riverbeds (wadis) crisscross the landscape, filling only during infrequent rainfall events. Water management infrastructure, including irrigation channels and reservoirs, is visible throughout the agricultural areas.Soil and Surface Characteristics
The soil in the valley areas consists primarily of alluvial deposits, relatively flat and with good drainage. These areas have historically been developed for agriculture through irrigation. Moving away from the valley floor, the soil becomes increasingly arid, rocky, and less fertile, transitioning to desert-like conditions with sparse vegetation dominated by xerophytic (drought-resistant) species.Optimal Areas for Solar PV Development
For large-scale solar photovoltaic development, several areas near Pocito present favorable conditions: The flat, open plains to the east and southeast of Pocito offer ideal topography for solar installations. These areas feature minimal slope, reducing construction costs and optimizing panel placement. The land here is largely undeveloped desert scrubland with minimal agricultural value, making it suitable for conversion to energy production. The elevated plateaus between the valley floor and the mountain slopes also present excellent opportunities. These areas receive minimal shadowing from the mountains and have stable geological foundations. The slightly elevated position can reduce dust accumulation on panels compared to valley floor locations. The northern portions of the Tulum Valley, extending toward the provincial capital of San Juan, offer extensive flat terrain with excellent solar exposure. While some of this land is currently used for agriculture, the less productive margins of the valley could be repurposed for solar development. Areas to avoid would include the steeper mountain slopes, active agricultural lands within the valley floor, and zones with significant flood risk near seasonal waterways. The western areas closest to the Andes foothills may experience some mountain shadowing during late afternoon, slightly reducing their suitability compared to the open eastern plains. Overall, the combination of flat terrain, limited agricultural value of much of the land, stable geological conditions, and minimal cloud cover makes the broader Pocito region exceptionally well-suited for large-scale solar PV development, with the eastern plains representing the prime location for such 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!
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Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Sunday 29th of June 2025
Last Updated: Tuesday 5th 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.
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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.




