Solar Energy Potential in San Juan Bautista, Buenos Aires, Argentina
San Juan Bautista, Buenos Aires, Argentina, located in the Southern Sub Tropics at coordinates -34.809, -58.2762, offers varying potential for solar PV energy generation throughout the year. This location experiences significant seasonal fluctuations in solar energy production that are worth understanding when considering solar installations. The seasonal solar energy output shows a clear pattern. Summer months are the most productive, generating an impressive 7.79kWh per day for each kilowatt of installed solar capacity. Spring follows as the second most productive season with 6.25kWh/day. Energy production decreases considerably during autumn to 4.51kWh/day, while winter represents the lowest output period with just 3.19kWh/day per kilowatt installed.Optimal Panel Installation
For fixed solar panel installations in San Juan Bautista, Buenos Aires, the ideal tilt angle to maximize year-round energy production is 30 degrees facing North. This specific angle has been calculated to optimize solar capture throughout the year, accounting for the location's position in the Southern Hemisphere. The substantial difference between summer and winter production (a drop of nearly 60%) indicates that this location has pronounced seasonal variations. This means that system sizing should account for these fluctuations, particularly if year-round consistent energy supply is required.Environmental and Weather Considerations
Several environmental factors in this region could potentially impact solar production:- Dust and pollen accumulation can be significant in this subtropical climate, potentially reducing panel efficiency by 5-10% if not regularly cleaned
- Occasional hailstorms in the region pose a physical risk to solar panels
- High summer temperatures may slightly reduce panel efficiency during peak production months
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 Juan Bautista
Seasonal solar PV output for Latitude: -34.809, Longitude: -58.2762 (San Juan Bautista, 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 30° North in San Juan Bautista, Argentina
To maximize your solar PV system's energy output in San Juan Bautista, Argentina (Lat/Long -34.809, -58.2762) throughout the year, you should tilt your panels at an angle of 30° 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 Juan Bautista, 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 Juan Bautista, Argentina. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 30° North tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 19° North in Summer | 40° North in Autumn | 50° North in Winter | 27° 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 Juan Bautista, 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 Juan Bautista, 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 Juan Bautista, Argentina
The terrain surrounding San Juan Bautista, Argentina, located in the northeastern part of Buenos Aires Province, is characterized predominantly by flat, expansive plains typical of the Pampas region. This area forms part of the vast Argentine lowlands that stretch across much of the country's central and eastern territories. The elevation is relatively consistent, with minimal variation in height above sea level, generally ranging between 15 to 30 meters. This flat topography results from centuries of sediment deposition from the Paraná River system and its tributaries. The landscape features gentle undulations rather than dramatic changes in elevation. These subtle variations create a rolling pattern across the otherwise level terrain. The soil composition is notably fertile, consisting primarily of loess deposits and alluvial sediments that have accumulated over geological time. This rich soil has historically made the region ideal for agricultural activities, particularly crop cultivation and cattle grazing.
Hydrological Features
Water bodies influence the local topography significantly. The area is situated within the broader Río de la Plata basin, with several smaller streams and drainage channels traversing the landscape. These waterways have carved shallow valleys and depressions throughout the otherwise uniform plains. During periods of heavy rainfall, these low-lying areas may experience temporary flooding, which has shaped the subtle contours visible today. The proximity to the Río de la Plata estuary also affects the regional topography, with land gradually sloping toward this major water body. This gentle gradient facilitates drainage patterns that have further defined the landscape's character over time.Potential Solar PV Development Areas
For large-scale solar photovoltaic development, several nearby areas present favorable conditions based on topographical considerations. The most suitable locations would be the elevated sections of the plains that remain well-drained throughout the year. These areas offer several advantages for solar installation: The flat terrain minimizes the need for extensive land grading and preparation, reducing initial construction costs for solar arrays. Areas situated on slight rises provide natural protection from potential flooding events that occasionally affect the lowest-lying portions of the region. Specifically, the terrain extending westward from San Juan Bautista toward more inland areas of Buenos Aires Province offers particularly favorable conditions. These locations maintain the advantageous flat topography while being situated at slightly higher elevations that provide improved drainage characteristics. The open nature of the landscape means minimal natural shading from topographical features, allowing for optimal solar exposure throughout the day. The absence of significant hills or mountains means that early morning and late afternoon shadows are minimized, extending the productive generation period for any installed systems. Areas approximately 5-10 kilometers west and southwest of San Juan Bautista present an ideal balance of accessibility, favorable drainage patterns, and the extensive flat terrain necessary for efficient large-scale solar deployment. These locations would require minimal topographical modification while offering the expansive, uninterrupted spaces needed for commercial solar development.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: Saturday 28th of June 2025
Last Updated: Monday 21st of July 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.




