Obligado, Itapúa, Paraguay presents a moderately favorable location for year-round solar PV energy generation, though with significant seasonal variations typical of its Southern Sub Tropics positioning.

Seasonal Solar Performance

The solar energy output at this location shows considerable fluctuation throughout the year. Summer delivers the strongest performance at 7.50kWh per day per kW of installed capacity, making it the prime season for solar generation. Spring follows as the second-best period with 5.89kWh daily output, while autumn drops to 4.98kWh per day. Winter presents the most challenging conditions, producing only 3.70kWh daily per kW installed. This seasonal pattern reflects the natural sun angle changes throughout the year in the Southern Hemisphere. The nearly 50% reduction in winter output compared to summer indicates that solar installations at this location require careful planning to ensure adequate power generation during the cooler months.

Optimal Panel Configuration

For maximum year-round solar production at Obligado, Itapúa, fixed solar panels should be tilted at 23 degrees facing North. This angle has been calculated to optimize total annual energy capture by accounting for the sun's varying position throughout the seasons and weighting the angles based on actual solar irradiance data.

Local Factors Affecting Solar Production

Several environmental and weather factors in this region can significantly impact solar energy generation:

• Heavy rainfall and thunderstorms during summer months can reduce solar output and create maintenance challenges
• High humidity levels may cause condensation on panels, reducing efficiency
• Dust accumulation from agricultural activities and unpaved roads
• Potential hail damage during severe weather events
• Dense vegetation growth that can create shading issues

Preventative Measures for Better Performance

To maximize solar energy production despite these challenges, several installation strategies should be implemented. Regular cleaning schedules become essential, particularly during dry periods when dust accumulation peaks. Installing panels with adequate spacing allows for proper air circulation, reducing humidity-related efficiency losses. Protective measures against severe weather include using tempered glass panels rated for hail impact and ensuring robust mounting systems that can withstand strong winds. Strategic placement away from large trees and regular vegetation management help prevent shading issues that could dramatically reduce output. Proper drainage around solar installations prevents water pooling, while elevated mounting systems improve air circulation and reduce moisture-related problems. Installing monitoring systems allows for quick identification of performance issues, enabling prompt maintenance responses that keep the system operating at optimal levels throughout the year.

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 55 locations across Paraguay. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Paraguay by location

Solar output per kW of installed solar PV by season in Obligado

Seasonal solar PV output for Latitude: -27.0535, Longitude: -55.6233 (Obligado, Paraguay), 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 Obligado, Paraguay

To maximize your solar PV system's energy output in Obligado, Paraguay (Lat/Long -27.0535, -55.6233) 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 Obligado, Paraguay

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 Obligado, Paraguay. 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
11° North in Summer	32° North in Autumn	42° North in Winter	20° 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 Obligado, Paraguay

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 Obligado, Paraguay.

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 Obligado, Paraguay

Topography Around Obligado, Paraguay

The terrain surrounding Obligado in eastern Paraguay is characterized by gently rolling hills and relatively flat plains that are typical of the Alto Paraná region. This area sits within the broader Paraná Plateau, which extends across much of eastern Paraguay and into neighboring Brazil and Argentina. The landscape features subtle elevation changes, with most areas ranging from approximately 200 to 400 meters above sea level.

The region displays a mix of agricultural lands, pastures, and patches of Atlantic Forest remnants. The topography is generally favorable for development, with gradual slopes that provide good drainage while avoiding the steep gradients that would complicate large-scale construction projects. Small streams and tributaries of the Paraná River system create minor valleys throughout the area, but these waterways are typically shallow and seasonal.

The soils in this region are predominantly red clay and sandy loam, derived from volcanic basalt that underlies much of eastern Paraguay. These well-draining soils have supported extensive agricultural development, particularly soybean and corn cultivation, which has shaped much of the current land use patterns around Obligado.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations would be the extensive flat to gently sloping agricultural areas that dominate the landscape around Obligado. These cleared lands offer several advantages, including minimal site preparation requirements, excellent accessibility for construction and maintenance vehicles, and existing infrastructure connections to rural roads and power transmission networks.

The elevated plateau areas to the north and east of Obligado present particularly attractive opportunities for solar development. These locations benefit from consistent air circulation that helps maintain optimal panel temperatures, while their elevation provides natural drainage and reduces the risk of flooding during Paraguay's rainy season. The relatively uniform topography across these areas would allow for efficient panel array layouts with minimal grading or earthwork.

Areas with south-facing gentle slopes would be especially well-suited for solar installations, as they can be oriented to maximize solar exposure throughout the day. The open agricultural plains extending toward the Brazilian border offer vast expanses of suitable terrain, with minimal shading from trees or other obstacles that could impact solar panel performance.

The proximity to existing electrical infrastructure along major rural roads makes many of these locations economically viable for grid connection. Additionally, the stable geological conditions of the basalt-derived soils provide excellent foundations for solar mounting systems, reducing construction complexity and long-term maintenance concerns.

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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.