El Guarenal, Aragua, Venezuela represents an excellent location for year-round solar photovoltaic energy generation. Located in the tropics at coordinates 10.435°N, -67.6035°W, this area benefits from consistent sunlight throughout most of the year, with seasonal variations characterized more by wet and dry periods rather than traditional temperature-based seasons.

Solar Energy Production Potential

The solar energy output data for El Guarenal demonstrates remarkably consistent performance across all seasons. Expected electricity generation ranges from 5.91 kWh per day per kW of installed solar capacity in winter to 6.19 kWh per day per kW in spring. Summer produces 6.06 kWh/day per kW, while autumn generates 6.10 kWh/day per kW. Spring emerges as the optimal season for solar generation, followed closely by autumn. Even the lowest-producing season (winter) still delivers strong output, with only a 4.5% difference between the best and worst performing seasons. This minimal seasonal variation makes El Guarenal highly suitable for consistent solar energy production throughout the year. For maximum year-round energy production, solar panels should be installed at a fixed tilt angle of 10 degrees facing south. This optimal angle is calculated by analyzing daily solar elevation angles at this latitude, determining daily optimal panel positioning, and weighting these angles using solar irradiance data while accounting for Earth's elliptical orbit.

Environmental and Weather Challenges

Several local factors could potentially impact solar energy production in El Guarenal and require careful consideration during installation:

• Tropical rainfall and humidity: The wet season brings heavy precipitation and high humidity levels that can reduce panel efficiency and create maintenance challenges
• Dust and debris accumulation: Dry seasons may lead to dust buildup on panels, reducing light transmission and energy output
• Vegetation growth: The tropical climate promotes rapid plant growth that could create shading issues if not properly managed
• Corrosion risks: High humidity and potential salt air exposure can accelerate corrosion of metal components

Preventative Measures for Optimal Performance

To maximize solar energy production despite these environmental challenges, several preventative measures should be implemented: Regular cleaning schedules are essential, particularly during dry seasons when dust accumulation is most problematic. Installing panels with appropriate drainage systems helps prevent water pooling during heavy rains. Using corrosion-resistant materials and protective coatings on all metal components extends system lifespan in the humid tropical environment. Proper vegetation management around the installation site prevents shading issues as plants grow. This includes initial site clearing and ongoing maintenance to keep trees and shrubs from blocking sunlight. Installing monitoring systems helps identify performance drops quickly, allowing for prompt maintenance responses. Selecting panels and equipment specifically rated for tropical conditions ensures better long-term performance. This includes choosing components that can handle high humidity, temperature fluctuations, and potential exposure to salt air if the location is near coastal areas.

Note: The Tropics are located between 23.5° North and -23.5° South of the equator.

So far, we have conducted calculations to evaluate the solar photovoltaic (PV) potential in 83 locations across Venezuela. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Venezuela by location

Solar output per kW of installed solar PV by season in El Guarenal

Seasonal solar PV output for Latitude: 10.435, Longitude: -67.6035 (El Guarenal, Venezuela), 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 10° South in El Guarenal, Venezuela

To maximize your solar PV system's energy output in El Guarenal, Venezuela (Lat/Long 10.435, -67.6035) throughout the year, you should tilt your panels at an angle of 10° South 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 Guarenal, Venezuela

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 Guarenal, Venezuela. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 10° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
5° North in Summer	16° South in Autumn	26° South in Winter	4° South 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 Guarenal, Venezuela

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 Guarenal, Venezuela.

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 El Guarenal, Venezuela

Topography Around El Guarenal

El Guarenal sits within the northern coastal plains of Venezuela, positioned in a region characterized by relatively gentle terrain that transitions from the Caribbean coastal lowlands toward the foothills of the Cordillera de la Costa mountain range to the south. The immediate area around these coordinates features predominantly flat to gently rolling topography, with elevations typically ranging from near sea level along the northern coastal areas to modest hills reaching several hundred meters as the land rises toward the interior mountain ranges. The landscape consists primarily of savanna and grassland environments interspersed with patches of tropical dry forest vegetation. The terrain exhibits the typical characteristics of Venezuela's northern coastal plains, with broad, open spaces broken by occasional low ridges and shallow valleys carved by seasonal drainage patterns. The soil composition includes a mixture of alluvial deposits from ancient river systems and weathered sedimentary materials, creating generally stable ground conditions suitable for various types of development. Water features in the region include several small rivers and seasonal streams that flow northward toward the Caribbean Sea, though these waterways tend to be relatively minor and do not create significant topographical barriers. The drainage patterns have carved gentle undulations into the landscape over time, but these features rarely present steep gradients or dramatic elevation changes.

Optimal Areas for Large-Scale Solar Development

The expansive flat plains extending northward from El Guarenal toward the Caribbean coast represent the most promising areas for large-scale solar photovoltaic installations. These coastal plains offer extensive tracts of relatively level ground with minimal slope variations, reducing the need for significant site preparation and grading work that would increase project costs. The open savanna character of much of this terrain means fewer obstacles from existing vegetation or natural features that might create shading issues. Areas positioned on the gentle elevated plateaus and broad ridgetops scattered throughout the region would also prove highly suitable for solar development. These slightly elevated positions provide excellent exposure to solar radiation while maintaining the relatively flat surfaces needed for efficient panel installation. The stable geological conditions typical of these elevated areas offer solid foundations for mounting systems and supporting infrastructure. The zones located between El Guarenal and the coastal areas benefit from good accessibility via existing road networks, which would facilitate construction and ongoing maintenance operations. Much of this terrain consists of open grassland and agricultural areas with minimal tree cover, eliminating the need for extensive clearing operations that could impact project timelines and environmental considerations. Developers should focus on areas with consistent gentle slopes facing south or southeast, as these orientations maximize solar exposure throughout the day. The broad valley floors and elevated plains that characterize much of the northern coastal region provide ideal conditions, combining favorable topography with practical considerations such as grid connectivity and transportation access. Areas closer to existing electrical infrastructure would offer additional advantages for connecting large solar installations to the national power grid.

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.