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Flag of EcuadorSolar PV Analysis of Cariamanga, Ecuador

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

Solar Energy Potential in Cariamanga, Loja, Ecuador

Cariamanga, Loja, Ecuador, situated at latitude -4.3338 and longitude -79.5462, offers promising conditions for solar photovoltaic (PV) energy generation throughout the year. This tropical location benefits from relatively consistent sunlight patterns across seasons, making it a favorable spot for solar energy investment. The solar energy production potential shows remarkable stability across meteorological seasons. During winter, panels can generate approximately 4.85 kWh per day for each kilowatt of installed capacity. Spring represents the peak production period, with an impressive 5.37 kWh daily output per kilowatt installed. Summer yields about 4.75 kWh per day, while autumn produces slightly less at 4.68 kWh daily per kilowatt of installed capacity.

Optimal Panel Installation

For fixed solar panel installations in Cariamanga, Loja, the ideal tilt angle to maximize year-round energy production is 4 degrees North. This slight tilt helps optimize sunlight capture throughout the year, accounting for the location's proximity to the equator and seasonal solar variations. Spring clearly stands out as the most productive season for solar generation in this location, with winter following as the second most productive period. The relatively small variation between seasonal outputs (less than 0.7 kWh difference between the highest and lowest seasons) demonstrates the consistency of solar potential in this tropical location.

Environmental Considerations

While Cariamanga offers favorable solar conditions overall, several environmental factors warrant consideration:
  • Cloud cover during the wet season may temporarily reduce solar efficiency, though the impact is moderate compared to non-tropical regions
  • Dust accumulation, particularly during dry seasons, can diminish panel performance if not regularly maintained
  • Higher temperatures in tropical regions can slightly reduce photovoltaic efficiency

Preventative Measures

To maximize solar energy production in Cariamanga, Loja, several preventative measures should be implemented: Installation of panels with adequate spacing and ventilation can mitigate efficiency losses from high temperatures. Implementing a regular cleaning schedule, especially during dry periods when dust accumulation is highest, will maintain optimal performance. Additionally, considering a small tracking system could further enhance energy capture, though the consistent year-round production may make fixed installations with the recommended 4-degree tilt sufficiently effective for most applications. The minimal seasonal variation in production makes Cariamanga an excellent candidate for solar PV systems designed for consistent year-round energy production, with only minor adjustments needed to account for the slight differences between wet and dry seasons.

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

Link: Solar PV potential in Ecuador by location

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

Seasonal solar PV output for Latitude: -4.3338, Longitude: -79.5462 (Cariamanga, Ecuador), 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 4.75kWh/day in Summer.
Autumn
Average 4.68kWh/day in Autumn.
Winter
Average 4.85kWh/day in Winter.
Spring
Average 5.37kWh/day in Spring.

 

Ideally tilt fixed solar panels 4° North in Cariamanga, Ecuador

To maximize your solar PV system's energy output in Cariamanga, Ecuador (Lat/Long -4.3338, -79.5462) throughout the year, you should tilt your panels at an angle of 4° 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.

The sun
At Latitude: -4.3338, Longitude: -79.5462, the ideal angle to tilt panels is 4° North

Seasonally adjusted solar panel tilt angles for Cariamanga, Ecuador

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 Cariamanga, Ecuador. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 4° North tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
12° South in Summer 11° North in Autumn 20° North in Winter 2° 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 Cariamanga, Ecuador as follows: In Summer, set the angle of your panels to 12° facing South. In Autumn, tilt panels to 11° facing North for maximum generation. During Winter, adjust your solar panels to a 20° angle towards the North for optimal energy production. Lastly, in Spring, position your panels at a 2° angle facing South to capture the most solar energy in Cariamanga, Ecuador.

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 Cariamanga, Ecuador

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 Cariamanga, Ecuador.

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 Cariamanga, Ecuador

The topography around Cariamanga, Ecuador is characterized by dramatic Andean terrain that forms part of the southern Ecuadorian highlands. Situated in Loja Province near the Peruvian border, Cariamanga sits at an elevation of approximately 1,950 meters (6,400 feet) above sea level. The landscape surrounding this small city features a complex arrangement of steep mountains, rolling hills, and narrow valleys typical of the region's mountainous geography. The area exhibits considerable topographical variation, with elevations ranging from approximately 1,200 meters in the lowest valleys to over 3,000 meters at the highest nearby peaks. This varied terrain creates a mosaic of slopes with different aspects (directions facing the sun) and inclinations. The city itself is nestled in a natural basin surrounded by mountains, which provides some shelter from strong winds but also creates distinct microclimates throughout the region.

Surrounding Mountain Features

To the east of Cariamanga, the terrain rises toward the eastern Andean cordillera, with increasingly steep slopes and higher elevations. These eastern mountains feature more rugged terrain with deep ravines carved by seasonal water flows. The western side transitions toward slightly lower elevations as the Andes begin their descent toward the coastal regions of Ecuador, though still maintaining significant relief. The overall landscape has been shaped by both tectonic activity and erosion processes, resulting in a terrain that alternates between steep slopes and gentler hillsides. Many of the steeper hillsides have been terraced over centuries for agricultural purposes, creating distinctive patterns on the landscape that reflect the long human habitation of the region.

Potential Areas for Solar PV Development

For large-scale solar photovoltaic development, several areas near Cariamanga offer promising conditions based on topographical considerations: The gently sloping plateaus to the southwest of Cariamanga present some of the most suitable terrain for large-scale solar installations. These areas combine relatively flat land with good solar exposure and fewer competing land uses. The gradual slopes in this direction also minimize the earthwork required for installation while still providing natural drainage. Several elevated ridgelines and broader hilltops within 15-20 kilometers of Cariamanga also offer potential. These higher-elevation sites typically experience less fog and cloud cover than the valleys, potentially increasing solar resource availability. The ridges running in an east-west orientation provide south-facing slopes (in the Southern Hemisphere) that would maximize solar exposure throughout the day. The broader valley areas to the north and northwest of Cariamanga, where the terrain opens up somewhat, could accommodate larger contiguous installations. While these areas may require some moderate grading, they offer the advantage of proximity to existing infrastructure and transmission corridors.

Topographical Challenges

The mountainous nature of the region does present certain challenges for solar development. Many areas feature slopes exceeding 15-20 degrees, which significantly increases construction costs and complexity for large-scale installations. The numerous ravines and water channels that cross the landscape would need to be accommodated in any development plans, potentially fragmenting available areas. Additionally, the varied terrain creates localized shading patterns that would need careful analysis to optimize panel placement and array configuration. Morning and evening shadows from surrounding mountains can substantially reduce the effective generation period at certain locations. The complex topography also influences accessibility, with many potentially suitable areas being served only by narrow, winding roads that would present logistical challenges during construction and maintenance phases of solar projects. Areas with gentler slopes closer to existing transportation infrastructure would therefore have practical advantages despite potentially smaller contiguous areas.

Citation Guide

Article Details for Citation

Article: Solar PV Analysis of Cariamanga, Ecuador
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Sunday 29th of June 2025
Last Updated: Wednesday 30th of July 2025

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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.

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