Zacatepec, Morelos, Mexico, located at 18.6637° N, 99.2001° W, presents a favorable environment for solar energy generation throughout the year. This tropical location benefits from consistent sunlight, with seasons characterized more by wet and dry periods than significant temperature fluctuations.

Seasonal Solar Performance

The solar energy output in Zacatepec demonstrates relatively stable performance across all seasons, with some notable variations:

• Spring: 7.68 kWh/day (peak production)
• Summer: 6.56 kWh/day
• Autumn: 6.05 kWh/day
• Winter: 5.97 kWh/day (lowest production)

Spring emerges as the most productive season, likely due to clearer skies and moderate temperatures. Winter, while showing the lowest output, still maintains a respectable production level, highlighting the location's year-round solar potential.

Optimal Panel Installation

For fixed solar panel installations in Zacatepec, Morelos, the ideal tilt angle to maximize year-round energy production is 18 degrees facing South. This angle optimizes the panels' exposure to sunlight throughout the year, accounting for the Earth's elliptical orbit and the location's specific latitude.

Environmental Considerations

While Zacatepec offers excellent conditions for solar energy production, there are a few environmental factors to consider:

1. Rainy Season: The region experiences a distinct rainy season, typically from June to October. Heavy rainfall and increased cloud cover during this period may temporarily reduce solar panel efficiency. To mitigate this, ensure proper waterproofing and drainage systems are in place for the solar installation.

2. Dust and Pollen: The tropical climate can lead to accumulation of dust and pollen on solar panels, potentially reducing their efficiency. Regular cleaning and maintenance schedules should be implemented to keep the panels operating at peak performance.

3. Tropical Storms: Although not frequent, the area may occasionally experience tropical storms or hurricanes. Ensure that solar panel mounting systems are robust and designed to withstand high winds and heavy rainfall.

By addressing these factors during installation and maintenance, solar energy systems in Zacatepec can maintain high levels of efficiency and productivity throughout the year, capitalizing on the location's excellent solar resources.

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 Zacatepec

Seasonal solar PV output for Latitude: 18.6637, Longitude: -99.2001 (Zacatepec, 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 18° South in Zacatepec, Mexico

To maximize your solar PV system's energy output in Zacatepec, Mexico (Lat/Long 18.6637, -99.2001) throughout the year, you should tilt your panels at an angle of 18° 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 Zacatepec, 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 Zacatepec, Mexico. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 18° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
3° South in Summer	25° South in Autumn	34° South in Winter	12° 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 Zacatepec, 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 Zacatepec, 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 Zacatepec, Mexico

The area surrounding Zacatepec, Mexico, located at 18.6637 degrees north latitude and 99.2001 degrees west longitude, is characterized by a diverse and varied topography. This region, situated in the state of Morelos, features a mix of flat plains, rolling hills, and more rugged terrain as one moves away from the town center. Zacatepec itself is nestled in a relatively flat area, part of a broader valley system. The immediate vicinity of the town is primarily composed of gently sloping terrain, with occasional small hills and shallow depressions. This relatively level landscape is ideal for agriculture, which is a significant economic activity in the region. As one moves outward from Zacatepec, the terrain becomes more varied. To the north and east, the land gradually rises, transitioning into a series of low hills and ridges. These elevated areas offer panoramic views of the surrounding countryside and are often covered with a mix of grasslands and scattered trees. To the south and west of Zacatepec, the topography becomes more dramatic. Here, the landscape is punctuated by steeper hills and small mountains, part of the broader Sierra Madre del Sur mountain range. These areas are typically more forested and less suitable for large-scale development or agriculture.

Potential for Large-Scale Solar PV

When considering areas near Zacatepec for large-scale solar photovoltaic (PV) installations, several factors come into play. The most suitable locations would be those that combine favorable topography with high solar irradiance and minimal environmental impact. The flat to gently sloping areas to the immediate north and east of Zacatepec present the most promising locations for large-scale solar PV projects. These areas benefit from their relatively level terrain, which simplifies construction and maintenance of solar arrays. Additionally, the open nature of these landscapes ensures minimal shading from natural features, maximizing potential solar exposure. Some of the low hills to the north and east could also be suitable, particularly on their south-facing slopes. These elevated areas may receive even more direct sunlight throughout the day, potentially increasing energy production efficiency. However, it's important to note that the exact suitability would need to be determined through detailed site surveys and environmental impact assessments. Factors such as soil stability, access to electrical grid infrastructure, and potential effects on local ecosystems and agriculture would all need to be carefully considered before any large-scale solar PV project could be implemented in the region around Zacatepec.

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.