Riacho He-He, Formosa, Argentina presents a moderately favorable location for year-round solar PV energy generation, though with notable seasonal variations typical of its Southern Sub Tropics climate zone.

Seasonal Solar Performance

The solar energy output at this location shows significant seasonal fluctuation. Summer delivers the strongest performance at 7.58 kWh per day per kW of installed capacity, making it the prime season for solar generation. Spring follows as the second-best period with 6.02 kWh per day per kW, offering good energy production as daylight hours increase. Autumn sees a notable decline to 5.10 kWh per day per kW, while winter represents the challenging period with only 3.85 kWh per day per kW - roughly half the summer output. This winter dip is expected at this latitude but still allows for meaningful energy generation year-round. For optimal performance with a fixed panel installation at Riacho He-He, Formosa, panels should be tilted at 22 degrees facing North. This angle maximizes total annual solar output by accounting for the sun's path throughout the year and the location's specific latitude.

Environmental and Weather Challenges

Several local factors could potentially impact solar production at this location:

• High humidity and frequent rainfall during summer months, which can reduce solar irradiance and create dust and debris accumulation on panels
• Dust storms common in the subtropical region that can significantly coat panel surfaces
• Potential for severe weather including hail during storm seasons
• Dense vegetation growth in the humid climate that may create shading issues if not properly managed

Preventative Measures for Enhanced Performance

To maximize energy production despite these challenges, several installation strategies prove effective. Regular cleaning schedules become essential, particularly during and after the rainy season when dust and organic matter accumulate most readily on panel surfaces. Installing panels with adequate ground clearance and proper drainage prevents water pooling and allows for better air circulation. Choosing mounting systems that facilitate easy access for maintenance helps ensure consistent cleaning and inspection routines. Protective measures against hail damage, such as selecting panels with higher impact resistance ratings or installing protective screens during severe weather seasons, can prevent costly damage. Additionally, careful site selection that accounts for future vegetation growth and maintains clear southern exposure helps avoid shading issues that could significantly reduce output during peak production months.

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 Riacho He-He

Seasonal solar PV output for Latitude: -25.3833, Longitude: -58.3 (Riacho He-He, 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 22° North in Riacho He-He, Argentina

To maximize your solar PV system's energy output in Riacho He-He, Argentina (Lat/Long -25.3833, -58.3) throughout the year, you should tilt your panels at an angle of 22° 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 Riacho He-He, 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 Riacho He-He, Argentina. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 22° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
9° North in Summer	31° North in Autumn	41° North in Winter	18° 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 Riacho He-He, 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 Riacho He-He, 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 Riacho He-He, Argentina

Topographical Features of the Riacho He-He Region

The area surrounding Riacho He-He in Argentina sits within the expansive Gran Chaco region, characterized by relatively flat to gently undulating terrain. This location in the northern part of Argentina experiences a landscape dominated by low-lying plains with minimal elevation changes, creating an environment where the horizon stretches far into the distance with few significant geographical obstacles. The topography consists primarily of alluvial plains formed by ancient river systems and sedimentary deposits. These plains are punctuated by occasional low ridges and shallow depressions, but overall maintain a remarkably consistent elevation profile across vast distances. The terrain slopes very gradually from west to east, following the general drainage patterns toward the Paraguay and Paraná river systems. Scattered throughout the region are small seasonal wetlands and lagoons, particularly during the rainy season when water collects in natural depressions. The landscape also features numerous meandering watercourses and dry creek beds, including the Riacho He-He itself, which create subtle variations in the otherwise uniform topography.

Vegetation and Land Use Patterns

The natural vegetation consists of dry forest and savanna grasslands typical of the Chaco ecosystem. While much of the original forest cover has been cleared for agricultural purposes, remaining wooded areas tend to be relatively low in stature, rarely creating significant shading obstacles across the landscape. Agricultural development has transformed large portions of the region into cattle ranching operations and crop cultivation areas. These cleared lands present extensive open spaces with minimal vertical obstructions, contributing to the area's generally unimpeded exposure to solar radiation throughout the day.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations would be the extensively cleared agricultural plains that extend in all directions from Riacho He-He. These areas offer several key advantages including minimal topographical variation, which reduces construction complexity and allows for efficient panel orientation and spacing. The gently rolling plains to the south and west of the settlement would be particularly well-suited for solar development due to their combination of flat terrain and existing cleared land status. These areas typically have good access to existing rural road networks while maintaining sufficient distance from residential areas. Areas near the seasonal watercourses should generally be avoided due to potential flooding risks and higher humidity levels that could affect equipment performance. Similarly, the remaining forested patches would require extensive clearing and might face environmental protection restrictions. The consistent elevation and minimal shading from geographical features across the region mean that almost any cleared area could potentially support solar installations, making site selection more dependent on factors such as grid access, land ownership, and transportation infrastructure rather than topographical constraints.

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.