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Flag of EcuadorSolar PV Analysis of Tungurahua Province, Ecuador

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

Tungurahua Province, Ecuador offers excellent conditions for year-round solar energy generation. Located in the tropical zone near the equator, this region benefits from consistent sunlight throughout the year, with seasonal variations driven more by wet and dry periods rather than dramatic changes in daylight hours.

Solar Energy Output Performance

The solar energy output data for this location demonstrates strong and consistent performance across all seasons. Spring emerges as the most productive period, generating 4.65 kWh per day for each kW of installed solar capacity. Summer follows closely with 4.16 kWh/day, while winter maintains solid production at 4.09 kWh/day. Autumn shows the lowest output at 3.98 kWh/day, though this still represents strong performance by global standards. The relatively small variation between seasons - less than 17% difference between the highest and lowest performing periods - makes this location highly suitable for solar installations. This consistency means solar systems will provide reliable energy generation throughout the year without dramatic seasonal dips that might require backup power sources.

Optimal Panel Configuration

For fixed solar panel installations at this location, the ideal tilt angle is just 1 degree facing north. This nearly flat configuration maximizes total year-round solar production by accounting for the sun's path throughout the year and the location's proximity to the equator. This minimal tilt requirement also simplifies installation and reduces structural requirements compared to locations at higher latitudes.

Environmental and Weather Challenges

Several local factors in Tungurahua Province could potentially impact solar energy production, though most can be effectively managed with proper planning and installation techniques. The region's tropical climate brings distinct wet and dry seasons, with the wet season potentially creating challenges for solar installations. Heavy rainfall and high humidity can reduce panel efficiency temporarily, while persistent cloud cover during rainy periods may decrease overall solar irradiance. However, the consistent year-round output data suggests these impacts are manageable. Tungurahua Province is located in the Andes mountains and includes active volcanic areas, most notably the Tungurahua volcano itself. Volcanic ash from eruptions can coat solar panels, significantly reducing their efficiency by blocking sunlight from reaching the photovoltaic cells. Additionally, the high altitude environment may subject installations to more intense UV radiation and greater temperature fluctuations between day and night.

Preventative Measures for Optimal Performance

Several installation strategies can help maximize solar energy production in this environment:
  • Install panels with adequate drainage systems to handle heavy tropical rainfall and prevent water accumulation
  • Use anti-reflective coatings and materials designed to perform well in high-humidity conditions
  • Design easy-access cleaning systems to quickly remove volcanic ash or dust accumulation from panel surfaces
  • Select panels and mounting systems rated for high-altitude UV exposure and temperature cycling
  • Implement regular maintenance schedules, particularly during and after volcanic activity periods
The relatively flat 1-degree tilt angle actually provides an advantage for ash and debris removal, as steep angles might cause materials to accumulate along the bottom edges of panels. Regular monitoring and cleaning protocols will be essential to maintain optimal performance, especially during periods of increased volcanic activity. Despite these challenges, the strong and consistent solar output data indicates that Tungurahua Province remains an excellent location for solar energy generation, provided installations incorporate appropriate design considerations for the local environment.

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 Tungurahua Province

Seasonal solar PV output for Latitude: -1.247, Longitude: -78.4987 (Tungurahua Province, 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 4.16kWh/day in Summer.
Autumn
Average 3.98kWh/day in Autumn.
Winter
Average 4.09kWh/day in Winter.
Spring
Average 4.65kWh/day in Spring.

 

Ideally tilt fixed solar panels 1° North in Tungurahua Province, Ecuador

To maximize your solar PV system's energy output in Tungurahua Province, Ecuador (Lat/Long -1.247, -78.4987) throughout the year, you should tilt your panels at an angle of 1° 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: -1.247, Longitude: -78.4987, the ideal angle to tilt panels is 1° North

Seasonally adjusted solar panel tilt angles for Tungurahua Province, 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 Tungurahua Province, Ecuador. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 1° North tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
15° South in Summer 8° North in Autumn 17° North in Winter 5° 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 Tungurahua Province, Ecuador as follows: In Summer, set the angle of your panels to 15° facing South. In Autumn, tilt panels to 8° facing North for maximum generation. During Winter, adjust your solar panels to a 17° angle towards the North for optimal energy production. Lastly, in Spring, position your panels at a 5° angle facing South to capture the most solar energy in Tungurahua Province, 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 Tungurahua Province, 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 Tungurahua Province, 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 Tungurahua Province, Ecuador

Topographical Features of Tungurahua Province

Tungurahua Province sits in the heart of Ecuador's Andean region, characterized by dramatic mountainous terrain that defines much of the landscape. The province takes its name from the active Tungurahua volcano, which rises to over 5,000 meters above sea level and dominates the eastern portion of the territory. This volcanic peak forms part of the Avenue of Volcanoes, a spectacular chain of volcanic summits that runs through Ecuador's central highlands.

The topography varies significantly across the province, with elevations ranging from approximately 1,200 meters in the lower river valleys to the snow-capped peaks of the high Andes. The western areas feature rolling hills and plateaus typical of the inter-Andean valley system, while steep-sided valleys carved by rivers create a complex network of ridges and gorges throughout the region. The Pastaza River valley cuts through the eastern sections, creating some of the most dramatic terrain changes in the province.

Agricultural terraces and cultivated slopes are common features, particularly around the provincial capital of Ambato, where the land has been extensively modified for farming. The central valley areas tend to be more gently undulating, though still punctuated by volcanic cones and ancient lava flows that create irregular terrain patterns.

Climate and Weather Patterns

The high-altitude location creates a subtropical highland climate with relatively stable temperatures throughout the year. The region experiences two primary seasons: a wet period typically running from October through May, and a drier period during the remaining months. Cloud cover patterns vary significantly with elevation and local topographical features, with the higher elevations often experiencing more persistent cloud formation.

Temperature variations are more pronounced based on altitude than seasonal changes, with the lower valley areas maintaining warmer conditions while the higher elevations remain considerably cooler. The volcanic peaks frequently experience frost and occasional snow, while the mid-elevation zones maintain more temperate conditions suitable for diverse agricultural activities.

Optimal Areas for Large-Scale Solar Development

The most promising locations for large-scale solar photovoltaic installations would be found in the western and central portions of Tungurahua Province, particularly in the broader valley areas around Ambato and extending toward the Cotopaxi provincial border. These areas offer several advantages including relatively gentle topography that reduces construction and maintenance costs, better accessibility via existing road networks, and proximity to electrical transmission infrastructure.

The plateau areas west of Ambato present particularly favorable conditions, with extensive flat to gently rolling terrain that could accommodate large solar arrays without requiring significant earthwork or grading. These locations also benefit from being at moderate elevations, typically between 2,500 and 3,200 meters, which provides good atmospheric clarity while avoiding the more extreme weather conditions of the highest peaks.

Areas near PĂ­llaro in the northern part of the province also show promise, offering substantial flat agricultural land that could potentially be converted to solar use. The terrain here is less complex than the volcanic slopes to the east and south, making it more economically viable for large-scale development projects.

Conversely, the steep volcanic slopes around Tungurahua volcano itself, the deeply incised river valleys in the eastern sections, and the high-elevation areas subject to frequent cloud cover and harsh weather conditions would be less suitable for major solar installations. These areas present significant engineering challenges and would likely require substantial investment in access infrastructure.

Citation Guide

Article Details for Citation

Article: Solar PV Analysis of Tungurahua Province, Ecuador
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Friday 25th of July 2025
Last Updated: Thursday 7th of August 2025

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Compare this location to others worldwide for solar PV potential

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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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