Solar Energy Potential in Villaguay, Entre Rios, Argentina
Villaguay, Entre Rios, Argentina, located in the Southern Sub Tropics at latitude -31.8508 and longitude -59.0128, presents a moderately favorable location for solar PV energy generation, though with significant seasonal variations. This region experiences considerable differences in solar production throughout the year, which affects the overall efficiency of solar installations. The seasonal solar production shows a clear pattern. Summer months deliver the highest energy output at 7.83kWh per day for each kilowatt of installed capacity. Spring follows as the second most productive season with 6.77kWh/day. Production drops considerably during autumn to 4.43kWh/day, while winter represents the lowest generation period with just 3.67kWh/day per kilowatt installed.Optimal Panel Installation
For fixed solar panel installations in Villaguay, Entre Rios, the ideal tilt angle to maximize year-round energy production is 28 degrees facing North. This specific angle has been calculated to optimize solar collection across all seasons, taking into account the location's position in the Southern Hemisphere.Seasonal Considerations
The substantial difference between summer and winter production (more than double) indicates that solar systems in Villaguay will be most productive during the December to February period. Spring months (September to November) also offer excellent generation potential. System owners should expect significantly reduced output during the May to August winter period, which might necessitate alternative energy sources or storage solutions for consistent year-round power supply.Environmental and Weather Factors
Several environmental factors could potentially impact solar production in Villaguay:- Occasional dust storms and agricultural activities in this rural region can deposit particulate matter on panels, reducing efficiency
- Summer thunderstorms and hail events, though infrequent, could pose physical risks to installations
- Humidity levels in this subtropical region may contribute to faster degradation of system components
- Morning fog, particularly in winter months, might delay daily production start times
Preventative Measures
To maximize energy production despite these challenges, several preventative measures can be implemented:- Regular cleaning schedules, especially during dry and dusty periods
- Installing panels with tempered glass and reinforced frames to withstand potential hail damage
- Using marine-grade components and protective coatings to combat humidity-related degradation
- Implementing automated monitoring systems to identify performance drops
- Considering a slight adjustment from the ideal tilt angle if local conditions (like prevailing winds carrying dust) warrant it
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 Villaguay
Seasonal solar PV output for Latitude: -31.8508, Longitude: -59.0128 (Villaguay, 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 Villaguay, Argentina
To maximize your solar PV system's energy output in Villaguay, Argentina (Lat/Long -31.8508, -59.0128) 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 Villaguay, 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 Villaguay, 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 | 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 Villaguay, 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 Villaguay, 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 Villaguay, Argentina
The topography around Villaguay, Argentina presents a predominantly flat to gently undulating landscape characteristic of the Mesopotamia region of Argentina. Situated in the Entre Ríos province, Villaguay lies within a vast alluvial plain formed between two major river systems: the Paraná River to the west and the Uruguay River to the east. This location places it squarely in what is known locally as the Argentine Mesopotamia (meaning "between rivers"). The terrain features subtle elevation changes, with the average altitude around 40-50 meters above sea level. Unlike the dramatic topographical features found in western Argentina near the Andes, this region displays modest rolling hills and shallow depressions. The landscape has been shaped by ancient fluvial processes, resulting in fertile soils that support extensive agricultural activities.
Geographical Features
The immediate surroundings of Villaguay consist of expansive grasslands interspersed with patches of native woodland and cultivated fields. These plains, known locally as "pampas," stretch for considerable distances with minimal topographical barriers. Small streams and minor watercourses crisscross the area, creating a subtle drainage pattern across the otherwise level terrain. To the south and southeast of Villaguay, the landscape gradually transitions to more pronounced undulations as it approaches the Montiel forest region. This area features slightly more varied topography with gentle hills and shallow valleys. The northeastern sectors maintain the characteristic flatness with occasional depressions that may collect water during rainy periods.Optimal Areas for Solar PV Development
For large-scale solar photovoltaic installations, several nearby areas offer promising conditions based on topographical considerations. The most suitable locations would be found in the expansive flat plains to the west and northwest of Villaguay. These areas combine several advantageous features: The flat terrain minimizes earthwork requirements during construction, reducing initial development costs. These western plains also tend to have fewer trees and natural obstacles that might cast shadows across solar arrays. The open nature of the landscape allows for efficient arrangement of panels with minimal interference from topographical features. Areas approximately 10-15 kilometers northwest of Villaguay present particularly favorable conditions, where the land maintains consistent elevation with minimal slope variations. These sectors offer large contiguous spaces that could accommodate substantial solar installations without significant terrain modifications. The southeastern regions, while still relatively flat, present slightly more undulating terrain that might require additional site preparation. However, these areas could still support solar development with appropriate engineering solutions to address the gentle slopes. Areas to potentially avoid include the riparian zones near the numerous small streams that traverse the region, as these locations may be subject to seasonal flooding and typically host denser vegetation that would need clearing. Additionally, any low-lying depressions that collect water seasonally would present challenges for solar infrastructure development. The general absence of steep slopes or mountainous features throughout the region means that most of the surrounding territory could technically support solar installations, with site selection ultimately depending on additional factors beyond pure topography, such as land ownership, access to transmission infrastructure, and environmental considerations.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: Thursday 29th of May 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.




