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Flag of MexicoSolar PV Analysis of Villa De Reyes, Mexico

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Villa De Reyes, Mexico (by season)

Villa de Reyes, Mexico presents an excellent location for year-round solar energy generation, with its tropical climate providing consistent sunlight throughout most of the year where seasons are typically characterized by wet and dry periods rather than traditional temperature variations.

Solar Energy Production Performance

The solar energy output data for Villa de Reyes demonstrates strong year-round potential. Spring emerges as the peak season with an impressive 7.56 kWh per day per kW of installed solar capacity. Summer follows closely with 6.85 kWh per day per kW, while autumn and winter show more modest but still respectable outputs of 5.61 kWh and 5.56 kWh per day per kW respectively. This seasonal pattern indicates that the location experiences its best solar generation during spring months, likely due to optimal sun angles and clearer atmospheric conditions before the onset of summer weather patterns. The relatively strong summer performance maintains high energy production during peak demand periods. For fixed panel installations at Villa de Reyes, the ideal tilt angle is 20 degrees facing south to maximize total year-round production. This calculation accounts for the location's latitude, daily solar elevation angles throughout the year, and weights these factors by daily photovoltaic potential using solar irradiance data.

Environmental and Weather Challenges

Several environmental factors in Villa de Reyes could potentially impact solar energy production and should be considered during installation planning. The tropical wet season brings significant rainfall and increased humidity, which can reduce solar panel efficiency through cloud cover and atmospheric moisture. Extended periods of overcast skies during heavy rain events will naturally decrease energy output during these times. Dust accumulation presents another challenge, particularly during dry seasons when wind can carry particles that settle on panel surfaces. The semi-arid characteristics of the region mean that dust buildup can significantly reduce panel efficiency if not properly managed. High temperatures during summer months, while providing strong sunlight, can actually decrease panel efficiency as photovoltaic cells perform less effectively as temperatures rise above optimal operating ranges.

Preventative Measures for Optimal Performance

Several installation strategies can help mitigate these environmental challenges and ensure maximum energy production.
  • Install panels with adequate ventilation spacing underneath to promote air circulation and reduce heat buildup
  • Implement regular cleaning schedules, particularly during dry seasons when dust accumulation is highest
  • Use anti-soiling coatings on panel surfaces to reduce dust adhesion and make cleaning more effective
  • Design drainage systems around installations to handle heavy rainfall without water pooling near equipment
  • Select panels and mounting systems rated for high humidity and temperature variations
Proper system design should also include monitoring capabilities to track performance and identify when cleaning or maintenance is needed. Installing panels at the optimal 20-degree tilt not only maximizes energy capture but also helps with natural cleaning during rain events, as water can more effectively wash away accumulated dust and debris. Overall, Villa de Reyes offers strong potential for solar energy generation throughout the year, with proper installation techniques and maintenance practices helping to overcome the modest environmental challenges present in this tropical location.

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

Link: Solar PV potential in Mexico by location

Solar output per kW of installed solar PV by season in Villa De Reyes

Seasonal solar PV output for Latitude: 22.1264, Longitude: -100.9699 (Villa De Reyes, Mexico), 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 6.85kWh/day in Summer.
Autumn
Average 5.61kWh/day in Autumn.
Winter
Average 5.56kWh/day in Winter.
Spring
Average 7.56kWh/day in Spring.

 

Ideally tilt fixed solar panels 20° South in Villa De Reyes, Mexico

To maximize your solar PV system's energy output in Villa De Reyes, Mexico (Lat/Long 22.1264, -100.9699) throughout the year, you should tilt your panels at an angle of 20° 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: 22.1264, Longitude: -100.9699, the ideal angle to tilt panels is 20° South

Seasonally adjusted solar panel tilt angles for Villa De Reyes, Mexico

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 Villa De Reyes, Mexico. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 20° South tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
6° South in Summer 28° South in Autumn 37° South in Winter 15° 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 Villa De Reyes, Mexico as follows: In Summer, set the angle of your panels to 6° facing South. In Autumn, tilt panels to 28° facing South for maximum generation. During Winter, adjust your solar panels to a 37° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 15° angle facing South to capture the most solar energy in Villa De Reyes, Mexico.

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 Villa De Reyes, Mexico

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 Villa De Reyes, Mexico.

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 Villa De Reyes, Mexico

Topographical Features of Villa de Reyes

Villa de Reyes sits within the Mexican Plateau, a vast elevated region that characterizes much of central Mexico. The terrain around this San Luis Potosí municipality consists primarily of gently rolling hills and broad valleys, with elevations typically ranging between 1,800 and 2,200 meters above sea level. The landscape represents a transition zone between the more mountainous regions to the east and west, creating relatively moderate topographical variation across the area. The region features predominantly semi-arid terrain with scattered low hills and mesas that rise gradually from the surrounding plains. These elevated formations are remnants of ancient volcanic activity and sedimentary processes, creating a landscape of weathered limestone and volcanic rock outcroppings. Between these hills lie extensive flat to gently sloping valleys that have been shaped by seasonal water flow and wind erosion over millennia.

Drainage and Surface Features

The area experiences limited surface water flow, with most drainage occurring through seasonal arroyos and small intermittent streams that flow only during the rainy season. These waterways have carved shallow channels through the landscape but do not create significant topographical barriers. The terrain generally slopes in a northeasterly direction, following the broader drainage patterns of the Mexican Plateau toward the Gulf of Mexico watershed. Rocky outcrops and scattered vegetation characterize much of the natural landscape, with desert scrub and grassland dominating the plant communities. The soil composition varies from sandy loam in the valley floors to rockier, thinner soils on the hillsides and elevated areas.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for extensive solar photovoltaic installations would be the broad valley floors and gently sloping plains that extend northeast and southwest of Villa de Reyes. These areas offer several advantages including minimal grading requirements, stable soil conditions, and expansive continuous tracts of land that could accommodate large solar arrays without significant topographical obstacles. The relatively flat terrain in these valleys would minimize construction costs and engineering challenges associated with panel installation and maintenance access roads. The stable geological foundation, primarily consisting of consolidated sedimentary deposits, would provide reliable support for mounting systems and electrical infrastructure. Areas with southern-facing slopes of five degrees or less would be particularly well-suited for solar development, as they would require minimal site preparation while potentially offering optimal panel orientation. The low hills surrounding the valley floors could provide natural windbreaks that might help protect solar installations from severe weather events. The limited vegetation and sparse tree cover throughout much of the region would reduce land clearing requirements, though environmental assessments would still be necessary to identify any sensitive habitats or archaeological sites that should be avoided during development planning.

Mexico solar PV Stats as a country

Mexico ranks 18th in the world for cumulative solar PV capacity, with 7,040 total MW's of solar PV installed. This means that 3.20% of Mexico's total energy as a country comes from solar PV (that's 28th in the world). Each year Mexico is generating 55 Watts from solar PV per capita (Mexico ranks 50th in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in Mexico?

Yes, there are several incentives for businesses wanting to install solar energy in Mexico. The Mexican government offers a range of financial incentives and tax breaks for businesses that invest in renewable energy projects. These include grants, loans, and subsidies for the purchase of equipment and installation costs. Additionally, businesses can benefit from net metering programs which allow them to sell excess electricity back to the grid at a premium rate. Finally, businesses may also be eligible for additional benefits such as reduced import duties on solar equipment or accelerated depreciation allowances on investments in renewable energy projects.

Do you have more up to date information than this on incentives towards solar PV projects in Mexico? Please reach out to us and help us keep this information current. Thanks!

Citation Guide

Article Details for Citation

Article: Solar PV Analysis of Villa De Reyes, Mexico
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Saturday 5th of July 2025
Last Updated: Wednesday 6th of August 2025

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Compare this location to others worldwide for solar PV potential

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