Zacapoaxtla, Puebla, Mexico presents a very favorable location for year-round solar energy generation. Located in the tropical zone at coordinates 19.8793°N, -97.5907°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 Potential

The solar energy output data for Zacapoaxtla shows excellent year-round performance. Spring emerges as the peak season with 6.61 kWh per day per kW of installed solar capacity, making it the ideal time for maximum energy generation. Summer maintains strong production at 5.66 kWh/day, while autumn and winter show remarkably consistent output at 5.29 and 5.31 kWh/day respectively. This consistency across seasons makes Zacapoaxtla particularly attractive for solar installations, as there are no dramatic seasonal drops in energy production that plague many other locations. The annual variation is relatively modest, with spring production being only about 25% higher than the lowest-producing season. For optimal year-round energy capture, solar panels should be installed at a fixed tilt angle of 19 degrees facing south. This angle maximizes total annual production by accounting for the sun's path throughout the year and the location's specific latitude.

Environmental and Weather Challenges

Despite the excellent solar potential, several local factors could impact solar energy production in Zacapoaxtla: Seasonal Rainfall and Cloud Cover: The tropical wet season brings heavy rainfall and increased cloud cover, which can reduce solar irradiance during certain months. While the area still maintains good production during these periods, cloudy days will naturally decrease output. High Humidity: The tropical climate creates consistently high humidity levels, which can lead to moisture-related issues with solar equipment and potentially reduce panel efficiency over time. Mountainous Terrain: Zacapoaxtla sits in a mountainous region where morning fog and localized weather patterns can create temporary shading or reduced visibility conditions. Dust and Organic Debris: The combination of dry periods followed by wet seasons can create dust accumulation, while the lush tropical environment may deposit organic matter like leaves, pollen, and bird droppings on panels.

Preventative Measures for Optimal Performance

Several installation strategies can help maximize solar energy production despite these challenges:

• Enhanced Drainage Systems: Install panels with adequate spacing and drainage channels to prevent water accumulation during heavy rains
• Moisture-Resistant Components: Use solar equipment specifically rated for high-humidity tropical environments with enhanced sealing and corrosion-resistant materials
• Strategic Positioning: Carefully survey installation sites to avoid areas prone to morning fog accumulation or where surrounding terrain creates excessive shading
• Regular Maintenance Schedule: Implement more frequent cleaning protocols to remove dust, organic debris, and mineral deposits from tropical rainfall
• Elevated Mounting: Install panels with sufficient ground clearance to promote air circulation and reduce humidity-related issues

Overall Assessment

Zacapoaxtla represents an excellent location for solar energy generation, with consistently strong production throughout the year and particularly outstanding performance during spring months. While the tropical climate presents some maintenance and equipment challenges, these can be effectively managed through proper installation techniques and regular upkeep. The location's reliable solar resource makes it well-suited for both residential and commercial solar installations, with the potential for strong return on investment due to consistent energy production across all 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 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 Zacapoaxtla

Seasonal solar PV output for Latitude: 19.8793, Longitude: -97.5907 (Zacapoaxtla, 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:

 

Ideally tilt fixed solar panels 19° South in Zacapoaxtla, Mexico

To maximize your solar PV system's energy output in Zacapoaxtla, Mexico (Lat/Long 19.8793, -97.5907) 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.

Seasonally adjusted solar panel tilt angles for Zacapoaxtla, 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 Zacapoaxtla, 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

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 Zacapoaxtla, 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 Zacapoaxtla, 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.

Topography for solar PV around Zacapoaxtla, Mexico

Topographical Features of Zacapoaxtla

Zacapoaxtla sits in the mountainous region of north-central Puebla state, nestled within the Sierra Norte mountain range at an elevation of approximately 1,650 meters above sea level. The terrain around this colonial town is characterized by steep hillsides, deep valleys, and dramatic elevation changes that create a rugged and visually striking landscape. The area forms part of the transition zone between the coastal plains to the east and the high central plateau of Mexico to the west.

The immediate surroundings of Zacapoaxtla feature a complex network of ridges and ravines carved by centuries of water erosion. Pine and oak forests cover much of the higher elevations, while the lower valleys support agricultural activities including coffee cultivation, which thrives in the moderate climate and well-drained slopes. The region experiences frequent cloud cover due to moisture-laden air masses rising from the Gulf of Mexico coastal plains, creating a semi-humid temperate climate.

Regional Terrain Characteristics

Moving outward from Zacapoaxtla, the topography varies considerably depending on direction. To the east, the terrain gradually descends toward the coastal plains through a series of foothills and intermediate valleys. This eastern slope experiences more pronounced weather patterns as it faces the prevailing winds from the Gulf of Mexico. The western areas climb toward higher peaks of the Sierra Norte, with some summits exceeding 2,500 meters in elevation.

The northern and southern corridors present rolling hill country interspersed with river valleys that drain toward either the Gulf of Mexico or the central plateau. These areas contain a mixture of forested slopes and cleared agricultural land, with varying degrees of slope steepness that influence both drainage patterns and land use possibilities.

Solar Development Potential Areas

For large-scale solar photovoltaic installations, the most promising areas lie to the southwest and west of Zacapoaxtla, where the terrain begins to flatten into broader valley systems before rising toward the higher peaks. These locations offer several advantages including more stable ground conditions, reduced slope angles that minimize construction challenges, and better access to existing transportation infrastructure.

The valleys running northwest toward Tetela de Ocampo present particularly attractive opportunities, as they combine relatively flat terrain with good drainage characteristics and proximity to regional road networks. These areas have been partially cleared for agriculture, reducing the environmental impact of large-scale development while providing adequate space for extensive solar arrays.

Areas to the southeast, where the elevation begins its descent toward the coastal region, also show promise for solar development. The terrain here becomes less mountainous and more suitable for the geometric requirements of large solar installations. The transitional zone between the true mountains and the coastal foothills offers a compromise between accessibility and land costs while maintaining favorable topographical conditions.

The eastern slopes closer to the Gulf coastal influence should generally be avoided for large-scale solar development due to increased cloud cover, higher humidity levels, and more challenging terrain. Similarly, the highest elevations to the west present logistical difficulties and more extreme weather conditions that could impact both construction and long-term operation of solar facilities.

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!

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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.

Helping you assess viability of solar PV for your site

Calculate Your Optimal Solar Panel Tilt Angle: A Comprehensive Guide

Enhance your solar panel's performance with our in-depth guide. Determine the best tilt angle using hard data, debunk common misunderstandings, and gain insight into how your specific location affects solar energy production.