Romang, Santa Fe, Argentina presents a moderately good location for year-round solar energy generation, though with significant seasonal variations that potential solar installers should carefully consider.
Seasonal Solar Performance
The solar energy output at this Southern Sub Tropics location varies considerably throughout the year. Summer delivers the strongest performance at 7.68kWh per day per kW of installed solar capacity, making it an excellent time for solar generation. Spring follows as the second-best season with 6.84kWh per day per kW, still providing very good energy production.
However, the cooler months present more challenging conditions. Autumn drops to 4.73kWh per day per kW, while winter reaches the lowest point at just 3.64kWh per day per kW. This represents a significant reduction of more than 50% compared to peak summer production.
Optimal Installation Setup
For maximum year-round energy production at Romang, Santa Fe, solar panels should be installed at a fixed tilt angle of 25 degrees facing North. This angle has been calculated to optimize total annual solar output by accounting for the sun's changing position throughout the year and weighting the angles based on actual solar potential at this specific latitude.
Environmental and Weather Considerations
Several local factors could potentially impact solar energy production at this location and require attention during installation planning:
- Dust and Agricultural Particles: Being in an agricultural region of Argentina, airborne dust and crop residues can accumulate on solar panels, reducing their efficiency
- Seasonal Weather Patterns: The subtropical climate may bring periods of increased cloud cover and humidity, particularly during certain seasons
- Potential for Severe Weather: The region may experience strong winds or hail storms that could damage solar installations
- Temperature Fluctuations: Significant seasonal temperature variations can affect panel efficiency and equipment longevity
Preventative Measures for Better Performance
To maximize solar energy production despite these challenges, several installation strategies should be considered. Regular cleaning schedules become essential to remove dust and debris buildup, with automated cleaning systems potentially worthwhile for larger installations.
Proper panel mounting systems should be designed to withstand local wind conditions and potential hail damage. Using tempered glass panels and robust mounting hardware will help ensure long-term durability. Additionally, installing panels with adequate ventilation space underneath helps manage temperature fluctuations and maintains optimal operating efficiency.
Given the significant seasonal variation in output, battery storage systems or grid-tie arrangements become particularly important at this location to balance the higher summer production against lower winter generation periods.
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 Romang
Seasonal solar PV output for Latitude: -29.5007, Longitude: -59.7682 (Romang, 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 Romang, Argentina
To maximize your solar PV system's energy output in Romang, Argentina (Lat/Long -29.5007, -59.7682) 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 Romang, 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 Romang, 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 |
|---|---|---|---|
| 13° North in Summer | 35° North in Autumn | 44° North in Winter | 22° 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 Romang, 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 Romang, 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 Romang, Argentina
Topography Around Romang, Argentina
Romang is located in the northeastern region of Argentina, within the province of Santa Fe, positioned along the floodplains of the Paraná River system. The topography in this area is characterized by remarkably flat terrain that forms part of the extensive Pampas lowlands. This region sits at an elevation of approximately 50 meters above sea level, with minimal variation in height across the surrounding landscape.
The terrain consists primarily of alluvial plains formed by centuries of sediment deposition from the Paraná River and its tributaries. These fertile lowlands stretch for kilometers in all directions, creating an almost pancake-flat environment with gentle, barely perceptible undulations. The landscape is punctuated by numerous wetlands, lagoons, and seasonal flooding areas that are typical of this riparian environment.
The soil composition in the Romang area consists mainly of rich alluvial deposits, clay, and silt, which create the region's renowned agricultural productivity. However, this same composition can present challenges due to its tendency to retain moisture and experience periodic flooding during heavy rainfall seasons.
Climate and Environmental Characteristics
The region experiences a humid subtropical climate with distinct wet and dry seasons. The area receives substantial precipitation, particularly during summer months, which can lead to temporary waterlogging of the flat terrain. The climate is generally characterized by warm, humid summers and mild winters, with relatively high humidity levels throughout the year due to the proximity to the Paraná River system.
Vegetation in the area consists of mixed grasslands and scattered woodland areas, with agricultural crops dominating much of the cultivated land. The natural landscape has been extensively modified for farming, particularly cattle ranching and crop production including soybeans, corn, and wheat.
Optimal Areas for Large-Scale Solar PV Development
The flat topography around Romang presents both opportunities and challenges for large-scale solar photovoltaic installations. The most suitable areas for solar development would be the slightly elevated portions of the landscape that remain above the flood-prone zones near the river systems. These areas, while still relatively flat, offer better drainage and reduced risk of water damage to solar infrastructure.
The ideal locations would be found on the higher ground located several kilometers inland from the immediate Paraná River floodplain. These areas maintain the advantageous flat terrain necessary for efficient solar panel installation while avoiding the periodic flooding that affects lower-lying regions closer to the river. The terrain in these zones typically features gentle slopes of less than 2-3 degrees, which is optimal for solar panel orientation and drainage.
Areas to the west and southwest of Romang would be particularly well-suited for solar development, as they tend to be on slightly higher ground and have better drainage characteristics. These locations would allow for large-scale installations without the complications of seasonal flooding or excessive soil moisture that can affect foundation stability and equipment longevity.
When selecting specific sites, developers should prioritize areas with good road access for construction and maintenance, adequate distance from wetlands and protected environmental zones, and locations that avoid prime agricultural land where possible. The relatively uniform topography means that large installations can be designed with consistent panel angles and spacing, potentially reducing installation costs and improving overall system efficiency.
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: Tuesday 29th of July 2025
Last Updated: Thursday 7th 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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