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Flag of MexicoSolar PV Analysis of Sahuayo De Morelos, Mexico

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

Sahuayo de Morelos, Mexico presents an excellent location for year-round solar energy generation. Located in the tropics at coordinates 20.0522°N, -102.7691°W, this area benefits from consistent sunlight throughout most of the year, with seasons typically characterized by wet and dry periods rather than significant temperature variations.

Solar Energy Production Throughout the Year

The solar energy output at this location shows strong performance across all seasons. Spring emerges as the most productive period, generating 8.17 kWh per day for each kW of installed solar capacity. Summer follows with solid production at 6.41 kWh/day per kW, while winter maintains respectable output at 6.00 kWh/day per kW. Autumn shows the lowest production at 5.81 kWh/day per kW, though this still represents good energy generation. Spring stands out as the ideal time for solar generation at this location, likely due to optimal sun angles and clearer atmospheric conditions before the wet season intensifies. The relatively high winter production demonstrates the advantage of this tropical location, where solar panels continue generating substantial energy even during the coolest months.

Optimal Panel Installation

For maximum year-round solar production at Sahuayo de Morelos, fixed solar panels should be tilted at 19 degrees facing south. This angle has been calculated to optimize total annual energy output by accounting for the sun's varying position throughout the year and weighting these angles based on solar irradiance data.

Environmental and Weather Challenges

Several local factors could potentially impact solar energy production at this location:
  • Seasonal rainfall and humidity: The wet season can reduce solar output through cloud cover and increased atmospheric moisture
  • Dust accumulation: Dry periods may lead to dust buildup on panels, reducing efficiency
  • Tropical storms: Occasional severe weather events could damage installations or temporarily reduce production
  • High temperatures: Excessive heat can decrease panel efficiency despite abundant sunlight

Preventative Measures for Better Performance

To maximize solar energy production despite these challenges, several installation strategies prove beneficial: Regular cleaning schedules become essential, particularly during dry periods when dust accumulation peaks. Installing panels with adequate ventilation space underneath helps manage heat buildup and maintains efficiency during hot periods. Choosing panels and mounting systems rated for high wind loads protects against storm damage. Quality inverters with temperature compensation help maintain performance during extreme heat. Proper drainage around installations prevents water pooling during heavy rains, while selecting corrosion-resistant materials extends system lifespan in the humid tropical environment. Despite these considerations, Sahuayo de Morelos remains highly suitable for solar energy generation, with strong year-round production potential that makes it an attractive location for both residential and commercial solar installations.

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 Sahuayo De Morelos

Seasonal solar PV output for Latitude: 20.0522, Longitude: -102.7691 (Sahuayo De Morelos, 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 6.41kWh/day in Summer.
Autumn
Average 5.81kWh/day in Autumn.
Winter
Average 6.00kWh/day in Winter.
Spring
Average 8.17kWh/day in Spring.

 

Ideally tilt fixed solar panels 19° South in Sahuayo De Morelos, Mexico

To maximize your solar PV system's energy output in Sahuayo De Morelos, Mexico (Lat/Long 20.0522, -102.7691) throughout the year, you should tilt your panels at an angle of 19° 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: 20.0522, Longitude: -102.7691, the ideal angle to tilt panels is 19° South

Seasonally adjusted solar panel tilt angles for Sahuayo De Morelos, 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 Sahuayo De Morelos, Mexico. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 19° South tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
4° South in Summer 26° South in Autumn 35° South in Winter 13° 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 Sahuayo De Morelos, Mexico as follows: In Summer, set the angle of your panels to 4° facing South. In Autumn, tilt panels to 26° facing South for maximum generation. During Winter, adjust your solar panels to a 35° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 13° angle facing South to capture the most solar energy in Sahuayo De Morelos, 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 Sahuayo De Morelos, 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 Sahuayo De Morelos, 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 Sahuayo De Morelos, Mexico

Topographical Features of Sahuayo de Morelos

Sahuayo de Morelos sits in the heart of Michoacán state within Mexico's Trans-Mexican Volcanic Belt, positioned at an elevation of approximately 1,520 meters above sea level. The city occupies relatively flat terrain that forms part of the Chapala-Lerma river basin, characterized by gentle rolling hills and expansive plains that stretch across much of this interior region of western Mexico.

The surrounding landscape features predominantly low-relief topography with gradual elevation changes rather than dramatic mountainous terrain. To the north and east, the land gradually rises toward the foothills of volcanic formations that are part of the broader Sierra Madre Occidental system. These elevated areas consist of ancient volcanic deposits and lava flows that have weathered over millennia into rounded hills and mesas.

The region's geology reflects its volcanic origins, with soils derived from basaltic and andesitic rock formations. This has created relatively stable ground conditions across most of the area, with well-drained soils that support both agricultural activities and potential infrastructure development. The terrain includes numerous small arroyos and seasonal drainage channels that carry runoff during the rainy season, though these features are generally shallow and do not create significant topographical barriers.

Climate and Environmental Conditions

The area experiences a subtropical highland climate typical of central Mexico's elevated plateaus. The region benefits from clear skies for much of the year, particularly during the extensive dry season that runs from November through April. This period brings consistently sunny conditions with minimal cloud cover and very low precipitation levels.

Temperatures remain relatively moderate throughout the year due to the elevation, avoiding the extreme heat found in lower-altitude desert regions while maintaining warm, pleasant conditions that are conducive to outdoor activities and infrastructure operation. The rainy season, concentrated primarily between June and September, brings afternoon thunderstorms and increased humidity, though morning conditions typically remain clear.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for extensive solar photovoltaic installations lie on the broad, gently sloping plains that extend southwest and southeast of Sahuayo de Morelos. These areas offer several key advantages including minimal topographical variation, excellent southern exposure, and stable geological conditions that can support large-scale infrastructure without requiring extensive site preparation or grading work.

The flat agricultural lands stretching toward Lake Chapala present particularly favorable conditions, as they combine level terrain with existing road access and proximity to electrical transmission infrastructure. These plains experience minimal shading from surrounding topographical features and provide ample space for extensive solar arrays without significant land use conflicts.

Areas on the gentle south-facing slopes of the low hills north of the city also offer excellent potential, as they provide optimal solar orientation while maintaining relatively easy access for construction and maintenance activities. The volcanic soils in these locations provide stable foundations, and the slightly elevated positions can offer improved drainage during the rainy season.

The eastern plains toward the town of Jiquilpan represent another prime zone for solar development, featuring extensive flat terrain with minimal obstacles and good transportation links. This area benefits from consistent wind patterns that can help cool solar panels and maintain optimal operating temperatures throughout the day.

Less suitable areas include the steeper hillsides to the north and northeast, where irregular terrain would require significant grading and could create shading issues between panel rows. Additionally, areas immediately adjacent to the various seasonal waterways should be avoided to prevent potential flooding issues during heavy rainfall periods.

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 Sahuayo De Morelos, Mexico
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Wednesday 13th of August 2025
Last Updated: Wednesday 13th of August 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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