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Flag of VenezuelaSolar PV Analysis of Guanare, Venezuela

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Guanare, Venezuela (by season)

Solar Energy Potential in Guanare, Portuguesa, Venezuela

Guanare, Portuguesa, Venezuela, located at latitude 9.0393° North and longitude 69.7336° West, offers excellent conditions for solar energy production throughout the year. Situated in the tropics, this location benefits from consistent sunlight patterns that make it highly suitable for photovoltaic (PV) installations. The seasonal electricity output data reveals remarkably steady solar energy production across all meteorological seasons. During winter, solar panels produce their highest output at 5.73 kWh per day for each kilowatt of installed capacity. Autumn follows closely with 5.66 kWh/day, while spring generates 5.33 kWh/day and summer provides 5.09 kWh/day per kilowatt installed. This minimal seasonal variation (less than 13% difference between the highest and lowest producing seasons) demonstrates Guanare's exceptional year-round solar potential. Unlike locations at higher latitudes that experience dramatic seasonal fluctuations, Guanare's tropical position ensures reliable solar energy production throughout the calendar year.

Optimal Panel Installation

For fixed solar panel installations in Guanare, Portuguesa, the ideal tilt angle to maximize total annual energy production is 9 degrees facing South. This relatively flat orientation reflects Guanare's proximity to the equator, where the sun passes nearly overhead throughout much of the year. The winter and autumn seasons (December through May) represent the peak production periods, making these excellent times to rely more heavily on solar generation. However, the minimal variation across seasons means that solar remains a dependable energy source year-round in this location.

Environmental Considerations

Despite Guanare's favorable solar conditions, several environmental factors warrant consideration when planning solar installations:
  • Heavy rainfall during the wet season (typically May to October) can temporarily reduce solar efficiency due to cloud cover and potential panel soiling.
  • High humidity levels, common in tropical regions, may accelerate component degradation if not properly accounted for in system design.
  • Occasional tropical storms can bring high winds that pose risks to panel installations.

Preventative Measures

To maximize solar production and system longevity in Guanare's tropical climate, consider these preventative measures:
  • Install panels with self-cleaning properties or implement regular cleaning schedules, especially during the dry season when dust accumulation is higher.
  • Use corrosion-resistant mounting hardware and marine-grade components designed for high-humidity environments.
  • Ensure robust mounting structures that can withstand tropical storm winds, with additional anchoring if necessary.
  • Incorporate lightning protection systems, as tropical regions often experience frequent thunderstorms.
  • Consider slightly increasing the panel tilt beyond the optimal 9 degrees if dust accumulation is a significant concern, as this promotes better natural cleaning during rainfall.
With proper installation and maintenance, Guanare's consistent solar radiation levels make it an excellent location for photovoltaic energy production throughout the entire year.

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 Guanare

Seasonal solar PV output for Latitude: 9.0393, Longitude: -69.7336 (Guanare, 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:

Summer
Average 5.09kWh/day in Summer.
Autumn
Average 5.66kWh/day in Autumn.
Winter
Average 5.73kWh/day in Winter.
Spring
Average 5.33kWh/day in Spring.

 

Ideally tilt fixed solar panels 9° South in Guanare, Venezuela

To maximize your solar PV system's energy output in Guanare, Venezuela (Lat/Long 9.0393, -69.7336) throughout the year, you should tilt your panels at an angle of 9° 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.

The sun
At Latitude: 9.0393, Longitude: -69.7336, the ideal angle to tilt panels is 9° South

Seasonally adjusted solar panel tilt angles for Guanare, 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 Guanare, Venezuela. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 9° South tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
7° North in Summer 15° South in Autumn 25° South in Winter 3° South in Spring

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Guanare, Venezuela as follows: In Summer, set the angle of your panels to 7° facing North. In Autumn, tilt panels to 15° facing South for maximum generation. During Winter, adjust your solar panels to a 25° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 3° angle facing South to capture the most solar energy in Guanare, Venezuela.

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 Guanare, 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 Guanare, 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.






Please enter information above to calculate panel spacing.

Topography for solar PV around Guanare, Venezuela

The area around Guanare, Venezuela presents a diverse topographical landscape characterized by a transition between the Andes Mountains and the vast Venezuelan plains known locally as "Los Llanos." Guanare itself sits at an elevation of approximately 183 meters above sea level, positioned at the foothills where the mountainous terrain begins to give way to flatter expanses. To the west and northwest of Guanare, the terrain gradually rises as it approaches the northeastern extensions of the Andes mountain range, with rolling hills becoming more pronounced. These areas feature increasing elevations, with some nearby peaks reaching several hundred meters above sea level. The mountainous regions are characterized by varied slopes, some gentle and others more pronounced, creating a mosaic of terrain features. In contrast, moving eastward and southeastward from Guanare, the landscape flattens considerably as it extends into Los Llanos, a vast tropical grassland ecosystem that stretches across much of central Venezuela. This region consists primarily of flat to gently undulating plains, with minimal elevation changes over substantial distances. The plains are interspersed with numerous rivers and seasonal wetlands, particularly during the rainy season.

Solar PV Suitability in the Region

For large-scale solar photovoltaic installations, the plains to the east and southeast of Guanare offer particularly favorable conditions. These areas combine several advantageous characteristics that make them well-suited for solar energy development: The flat topography of Los Llanos minimizes construction challenges and costs associated with terrain modification. These expansive plains provide ample space for large installations without significant earthwork requirements. The open nature of the landscape also reduces concerns about shadowing from natural features like mountains or hills, allowing for optimal panel placement and configuration. Areas slightly elevated above the seasonal flood plains would be most ideal, as parts of Los Llanos experience periodic flooding during the rainy season. The slightly elevated terraces and higher portions of the plains that remain dry year-round represent the most practical locations for solar infrastructure. The transitional zones between the foothills and plains, particularly to the northeast and southeast of Guanare, also present good opportunities for solar development. These areas often feature gentle slopes with southern or western exposures that can maximize solar collection efficiency throughout the day. Areas to generally avoid would include the more rugged terrain to the west with steeper slopes, densely forested sections that would require significant clearing, and low-lying areas near rivers that are prone to seasonal flooding. The westernmost mountainous regions, while potentially offering good exposure on certain slopes, present more significant construction challenges and higher development costs compared to the plains. The region's natural vegetation transitions from forest in the mountainous areas to savanna grasslands in the plains, with the latter requiring minimal clearing for solar installation, further enhancing the suitability of these eastern areas for large-scale solar development.

Citation Guide

Article Details for Citation

Article: Solar PV Analysis of Guanare, Venezuela
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Sunday 29th of June 2025
Last Updated: Saturday 2nd of August 2025

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