El Carmen, Salta, Argentina, located in the Southern Sub Tropics, offers a promising environment for solar energy generation throughout the year. With its geographical coordinates at -25.6333 latitude and -66.1833 longitude, this location experiences varying levels of solar potential across different seasons.
Seasonal Solar Performance
The solar energy output at El Carmen demonstrates significant fluctuations across the year. Spring and summer emerge as the most productive seasons, with daily outputs of 8.55 kWh and 8.05 kWh per kW of installed solar capacity, respectively. Autumn sees a moderate decrease to 6.42 kWh/day, while winter experiences the lowest output at 5.25 kWh/day.
These figures indicate that El Carmen maintains a relatively high solar potential even during its least productive season. The location's position in the Southern Sub Tropics contributes to its consistent solar resource availability, making it a favorable spot for year-round solar energy generation.
Optimal Panel Positioning
To maximize year-round solar energy production in El Carmen, Salta, fixed solar panels should be tilted at an angle of 23 degrees facing North. This optimal angle takes into account the location's latitude, seasonal sun paths, and Earth's elliptical orbit, ensuring the panels capture the most sunlight possible throughout the year.
Environmental Considerations
While El Carmen presents favorable conditions for solar energy production, there are some environmental factors to consider. The region may experience occasional dust storms, which can temporarily reduce panel efficiency. To mitigate this issue, regular cleaning and maintenance of solar panels is crucial. Additionally, installing panels with anti-soiling coatings can help maintain optimal performance.
Another factor to consider is the potential for high temperatures during summer months, which can slightly decrease solar panel efficiency. Ensuring proper ventilation behind the panels and using heat-resistant components can help maintain performance levels even during hot periods.
Overall, El Carmen offers an ideal location for solar PV installations, with its high solar potential and relatively mild environmental challenges. By implementing appropriate preventative measures and optimizing panel positioning, solar energy systems in this area can achieve excellent year-round performance.
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 El Carmen
Seasonal solar PV output for Latitude: -25.6333, Longitude: -66.1833 (El Carmen, 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 23° North in El Carmen, Argentina
To maximize your solar PV system's energy output in El Carmen, Argentina (Lat/Long -25.6333, -66.1833) throughout the year, you should tilt your panels at an angle of 23° 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 El Carmen, 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 El Carmen, Argentina. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 23° North tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 10° North in Summer | 31° North in Autumn | 41° North in Winter | 19° 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 El Carmen, 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 El Carmen, 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 El Carmen, Argentina
The area around El Carmen, Argentina is characterized by diverse and rugged terrain. This region is part of the Andes mountain range, which dominates much of western Argentina. The landscape features a mix of high mountains, deep valleys, and plateaus.
El Carmen itself is situated in a relatively flat area, but it is surrounded by mountainous terrain. To the west, the land rises sharply into the Andes, with peaks reaching several thousand meters in height. These mountains create a dramatic backdrop and influence the local climate.
To the east of El Carmen, the terrain becomes more gentle, transitioning into the Chaco plains. This area is characterized by lower elevations and a more gradual slope. The transition zone between the mountains and the plains features rolling hills and smaller valleys.
For large-scale solar PV installations, the areas most suited would likely be the flatter regions to the east and southeast of El Carmen. These areas offer several advantages for solar energy production:
- More consistent terrain, making it easier and more cost-effective to install large arrays of solar panels
- Fewer shadows from mountains, allowing for more consistent sunlight exposure throughout the day
- Generally drier climate, which is beneficial for solar panel efficiency and maintenance
- Easier access for construction and maintenance vehicles
The high-altitude plateaus in the region, known as "punas," could also be potential sites for solar installations. These areas receive intense sunlight due to their elevation and typically have little cloud cover. However, their remote locations and challenging access might make development more difficult.
It's important to note that while the flatter areas east of El Carmen may be most suitable for large-scale solar PV, any specific project would require detailed on-site assessments. Factors such as local microclimate, soil conditions, grid connectivity, and environmental impact would all need to be carefully evaluated before determining the best location for a solar installation.
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 10th of August 2024
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.
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Calculate Your Optimal Solar Panel Tilt Angle: A Comprehensive Guide
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