Santo Domingo, Santa Fe, Argentina, located in the Southern Sub Tropics at coordinates -31.1174, -60.8788, presents a moderately favorable location for year-round solar energy generation, though with significant seasonal variations that affect overall efficiency.
Seasonal Solar Performance
The solar energy output at this location shows considerable fluctuation throughout the year. Summer delivers the strongest performance at 7.97 kWh per day per kW of installed solar capacity, making it the prime season for solar generation. Spring follows as the second-best performing season with 6.84 kWh per day per kW, providing solid energy production during the transition months. However, the location experiences notable challenges during the cooler months. Autumn drops significantly to 4.47 kWh per day per kW, while winter reaches the lowest point at just 3.75 kWh per day per kW of installed capacity. This winter output represents less than half of the summer production, indicating substantial seasonal variation that must be considered in system planning.Optimal Installation Configuration
For maximum year-round energy production at Santo Domingo, Santa Fe, solar panels should be installed at a fixed tilt angle of 27 degrees facing North. This angle has been calculated to optimize total annual solar output by accounting for the sun's varying position throughout the year and weighting for daily solar potential.Environmental and Weather Factors
Several local factors could potentially impact solar energy production at this subtropical location:- Humidity and moisture: The subtropical climate brings higher humidity levels that can create condensation on solar panels, reducing light transmission and energy output
- Dust and agricultural particles: Being in an agricultural region of Argentina, airborne dust and organic particles from farming activities can accumulate on panel surfaces
- Seasonal weather patterns: The region may experience increased cloud cover and precipitation during certain seasons, particularly affecting the already lower winter production
- Temperature effects: High summer temperatures, while providing more sunlight, can reduce panel efficiency as photovoltaic cells perform less effectively in extreme heat
Preventative Measures for Enhanced Production
To maximize energy generation despite these challenges, several installation strategies should be implemented:- Regular cleaning schedule: Establish a maintenance routine for panel cleaning, particularly during dry seasons when dust accumulation is highest
- Proper ventilation design: Install panels with adequate spacing beneath to allow air circulation, helping to reduce operating temperatures and combat humidity effects
- Quality mounting systems: Use corrosion-resistant mounting hardware suitable for humid subtropical conditions
- Strategic positioning: Avoid installation near areas with heavy agricultural activity or dust sources where possible
- Monitoring systems: Implement performance monitoring to quickly identify when cleaning or maintenance is needed
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 Santo Domingo
Seasonal solar PV output for Latitude: -31.1174, Longitude: -60.8788 (Santo Domingo, 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 27° North in Santo Domingo, Argentina
To maximize your solar PV system's energy output in Santo Domingo, Argentina (Lat/Long -31.1174, -60.8788) throughout the year, you should tilt your panels at an angle of 27° 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 Santo Domingo, 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 Santo Domingo, Argentina. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 27° North tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 15° North in Summer | 37° North in Autumn | 46° North in Winter | 24° 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 Santo Domingo, 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 Santo Domingo, 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 Santo Domingo, Argentina
Topographical Features of the Santo Domingo Region
The area surrounding Santo Domingo in Santa Fe Province, Argentina, is characterized by remarkably flat terrain that forms part of the expansive Pampas plains. This region sits within the broader South American lowlands, where the landscape consists of gentle, rolling grasslands with minimal elevation changes across vast distances. The topography is dominated by sedimentary deposits that have created an almost table-like surface, interrupted only by occasional shallow depressions and very gradual undulations. The terrain around Santo Domingo exhibits the classic characteristics of the humid Pampas, with fertile alluvial soils deposited over millennia by ancient river systems. Small watercourses and seasonal streams create subtle variations in the otherwise uniform landscape, forming shallow valleys and gentle ridges that rarely exceed a few meters in height difference. The absence of significant hills, mountains, or other major topographical obstacles makes this one of the most geographically uniform regions in Argentina.Optimal Areas for Large-Scale Solar Development
The exceptionally flat topography surrounding Santo Domingo presents ideal conditions for large-scale solar photovoltaic installations. The uniform terrain eliminates the need for extensive grading or leveling work that would typically be required in more mountainous or hilly regions. Areas extending north and west of Santo Domingo offer particularly favorable conditions, as these zones maintain consistent elevation with minimal natural obstructions that could create shading issues for solar arrays. The agricultural lands that dominate this region provide extensive open spaces with clear sight lines in all directions. These areas benefit from unobstructed sky exposure throughout the day, as the flat horizon allows sunlight to reach solar panels from dawn to dusk without interference from geographical features. The absence of significant vegetation beyond cultivated crops means that large solar installations could be developed with minimal environmental disruption to natural ecosystems. Areas slightly elevated above the immediate floodplains of local watercourses would be most suitable for permanent solar infrastructure. These zones, while still remarkably flat, offer better drainage characteristics and reduced risk of seasonal flooding that can occasionally affect the lowest-lying portions of the Pampas. The consistent soil composition across the region also provides stable foundations for mounting systems and supporting infrastructure. The open agricultural character of the landscape means that transmission infrastructure can be efficiently planned and constructed across the uniform terrain. The lack of significant topographical barriers allows for straightforward routing of electrical connections to existing power grid infrastructure, reducing development costs and complexity for large-scale solar projects in this region of Argentina.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: Saturday 5th 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.




