Caucete, San Juan, Argentina presents an excellent location for year-round solar energy generation, with consistently strong performance across all seasons that makes it highly suitable for solar PV installations.

Seasonal Solar Performance

The solar energy output at this Southern Sub Tropics location shows impressive consistency throughout the year. Summer delivers the highest production at 8.24kWh per day per kW of installed solar capacity, while spring follows closely with 7.92kWh per day. Even during the lower-production months, autumn generates 5.09kWh per day and winter produces 4.30kWh per day per kW installed. This seasonal pattern means that solar installations at Caucete will perform exceptionally well during the warmer months from October through March, when energy demand for cooling is typically highest. The winter months still provide substantial energy generation, making this location viable for consistent year-round solar production without the dramatic seasonal drops experienced in many other regions.

Optimal Panel Configuration

For fixed panel installations at this location, the ideal tilt angle to maximize total year-round solar production is 28 degrees facing North. This angle has been calculated by analyzing daily solar elevation angles throughout the year and weighting them according to daily solar potential, accounting for Earth's elliptical orbit around the sun.

Environmental and Weather Considerations

Several local factors could potentially impact solar production efficiency at Caucete, San Juan, though most can be effectively managed with proper installation practices:

• Dust and Sand Accumulation: The semi-arid climate typical of this region can lead to dust buildup on solar panels, reducing their efficiency over time
• High Summer Temperatures: Extreme heat can reduce panel efficiency, as solar panels typically perform better in cooler conditions despite needing strong sunlight
• Occasional Severe Weather: The region may experience strong winds or hailstorms that could potentially damage solar installations

Preventative Measures for Optimal Performance

To maximize energy production and protect solar investments at this location, several preventative measures should be implemented:

• Regular Cleaning Schedule: Establish a routine cleaning program to remove dust and debris, potentially increasing output by 10-25% in dusty conditions
• Proper Ventilation Design: Install panels with adequate air circulation underneath to help manage high temperatures and maintain efficiency
• Robust Mounting Systems: Use heavy-duty mounting hardware designed to withstand strong winds and potential hail impact
• Quality Panel Selection: Choose panels with good high-temperature performance ratings and anti-soiling coatings when available

Despite these considerations, Caucete's consistently high solar output across all seasons makes it an exceptionally favorable location for solar energy generation, with proper installation and maintenance practices ensuring optimal long-term 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 Caucete

Seasonal solar PV output for Latitude: -31.6516, Longitude: -68.282 (Caucete, 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 Caucete, Argentina

To maximize your solar PV system's energy output in Caucete, Argentina (Lat/Long -31.6516, -68.282) 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 Caucete, 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 Caucete, 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	25° 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 Caucete, 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 Caucete, Argentina.

Our calculation method

1. Solar Position:
   We determine the Sun's position on the Winter solstice using the location's latitude and solar declination.
2. Shadow Projection:
   We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle.
3. 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 Caucete, Argentina

Topographical Features of the Caucete Region

The area surrounding Caucete in Argentina's San Juan Province presents a distinctive topographical landscape characteristic of the Cuyo region. This zone sits within a broad intermontane valley system, positioned between the towering Andes mountain ranges to the west and the lower Sierras Pampeanas to the east. The immediate terrain around Caucete consists primarily of flat to gently undulating plains, with elevations ranging from approximately 600 to 800 meters above sea level.

The landscape is dominated by extensive alluvial fans and piedmont plains that have been formed over millennia by sediment deposition from mountain streams flowing eastward from the Precordillera. These geological formations create remarkably level surfaces with minimal topographical variation, interrupted only by occasional low hills and scattered rock outcrops. The terrain gradually slopes from west to east, following the natural drainage patterns toward the distant Salinas Grandes salt flats.

Vegetation in this semi-arid environment is sparse, consisting mainly of drought-resistant shrubs, scattered cacti, and seasonal grasses. The absence of dense forest cover means that natural shading is minimal across most of the region. Small irrigation channels and agricultural plots create a patchwork pattern in some areas, particularly closer to the town center where water availability supports limited farming activities.

Optimal Areas for Large-Scale Solar Development

The expansive flat plains extending north and east of Caucete represent the most promising locations for substantial solar photovoltaic installations. These areas offer several critical advantages, including minimal grading requirements due to their naturally level topography and excellent accessibility via existing rural road networks. The lack of significant elevation changes across these plains means that construction and maintenance vehicles can easily access all areas of potential solar farms.

Particularly suitable zones can be found on the broad alluvial terraces stretching toward the Bermejo River valley to the east. These locations benefit from stable geological conditions, minimal flood risk due to their elevated position above seasonal water courses, and sufficient distance from residential areas to avoid land use conflicts. The terrain here requires little to no earthwork preparation, which significantly reduces initial development costs.

The areas south and southeast of Caucete also present excellent opportunities, where the landscape opens into even more extensive flat plains. These zones are characterized by consistent topography, minimal vegetation that would require clearing, and good exposure to prevailing weather patterns. The stable, consolidated alluvial soils in these areas provide solid foundations for solar mounting systems without requiring extensive geotechnical modifications.

Areas immediately adjacent to existing electrical transmission infrastructure would be particularly advantageous, as the region's grid connection points are typically located along the flatter valley floors rather than in the more challenging mountainous terrain to the west. The combination of optimal topographical conditions and proximity to electrical infrastructure makes the eastern plains around Caucete exceptionally well-suited for large-scale solar energy 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!

Citation Guide

Article Details for Citation

Tell Us About Your Work

We love seeing how our research helps others! If you've cited this article in your work, we'd be delighted to hear about it. Drop us a line via our Contact Us page or on X, to share where you've used our information - we may feature a link to your work on our site. This helps create a network of valuable resources for others in the solar energy community and helps us understand how our research is contributing to the field. Plus, we occasionally highlight exceptional works that reference our research on our social media channels.

Feeling generous?

Share this with your friends!

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.