Nacajuca, Tabasco, Mexico is located in a tropical region that offers reasonably good conditions for year-round solar energy generation, though with some notable seasonal variations that potential solar installers should understand.

Solar Output Performance

The solar energy output at this location varies significantly throughout the year. Summer provides the highest energy production at 6.57 kWh per day for each kilowatt of installed solar panels. Spring follows closely behind with 6.53 kWh per day, making these two seasons the most productive for solar generation. Autumn sees a moderate decline in output to 5.27 kWh per day, while winter represents the lowest production period at 4.84 kWh per day per kilowatt installed. Despite this winter dip, the location still maintains reasonable solar output year-round due to its tropical latitude. For anyone installing solar panels at this location, the ideal angle to tilt fixed panels is 16 degrees facing south. This angle maximizes total year-round energy production by optimizing the panels' exposure to sunlight throughout all seasons.

Environmental Challenges and Solutions

Several environmental factors in Nacajuca could potentially impact solar panel performance and require careful consideration during installation. The tropical climate brings high humidity and frequent rainfall, particularly during wet seasons. This moisture can lead to corrosion of metal components and electrical connections over time. To combat this, installers should use marine-grade wiring, stainless steel mounting hardware, and ensure all electrical connections are properly sealed with weatherproof enclosures. Salt air from the nearby Gulf of Mexico can accelerate corrosion of solar equipment. Using aluminum frames with protective coatings and avoiding steel components where possible helps extend system lifespan. Regular cleaning and maintenance become especially important in this coastal environment. The region's intense tropical sun, while beneficial for energy production, can cause thermal stress on equipment. Proper ventilation spacing behind panels allows air circulation to prevent overheating, which can reduce efficiency and shorten equipment life.

Weather-Related Considerations

Heavy rainfall during wet seasons can actually benefit solar panels by naturally cleaning dust and debris, but it also creates challenges. Proper drainage around ground-mounted systems prevents water accumulation that could damage electrical components. The area's potential for tropical storms and hurricanes requires robust mounting systems designed to withstand high winds. Using certified racking systems and ensuring proper structural attachment to buildings or ground anchors is essential for system survival during severe weather events. Dust and pollen accumulation during drier periods can reduce panel efficiency. Installing panels at the recommended 16-degree tilt helps with natural cleaning from rainfall, but periodic manual cleaning may still be necessary during extended dry spells to maintain optimal performance.

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 Nacajuca

Seasonal solar PV output for Latitude: 18.1878, Longitude: -92.9486 (Nacajuca, 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 16° South in Nacajuca, Mexico

To maximize your solar PV system's energy output in Nacajuca, Mexico (Lat/Long 18.1878, -92.9486) throughout the year, you should tilt your panels at an angle of 16° 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 Nacajuca, 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 Nacajuca, Mexico. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 16° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
2° South in Summer	23° 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 Nacajuca, 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 Nacajuca, 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 Nacajuca, Mexico

Topographical Features of the Nacajuca Region

The area surrounding Nacajuca in Tabasco, Mexico is characterized by remarkably flat, low-lying terrain that forms part of the extensive Gulf Coastal Plain. This region sits at an elevation of less than 10 meters above sea level, creating a landscape dominated by vast expanses of level ground that stretches toward the Gulf of Mexico coastline. The topography consists primarily of alluvial plains formed by centuries of sediment deposits from the Grijalva River system and other waterways that crisscross the region. Wetlands and marshes are prominent features throughout this coastal plain environment, with numerous lagoons, swamps, and seasonal flooding areas creating a complex hydrological landscape. The terrain is interspersed with slightly elevated ridges and natural levees that rise just a few meters above the surrounding floodplains. These subtle elevation changes, while barely perceptible to the casual observer, play crucial roles in drainage patterns and land use throughout the region. The soil composition consists mainly of clay, silt, and organic matter typical of river delta environments. Much of the area experiences seasonal variations in water levels, with some zones remaining permanently saturated while others dry out during certain periods of the year. Natural vegetation includes tropical grasslands, palm groves, and areas of secondary forest growth on the better-drained soils.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for extensive solar photovoltaic installations would be found on the slightly elevated natural ridges and well-drained terraces that occur throughout the coastal plain. These areas offer the essential combination of stable, dry ground and minimal topographical obstacles that large solar arrays require. The elevated zones, though only rising a few meters above the surrounding wetlands, provide sufficient drainage to prevent equipment flooding and allow for proper foundation installation. Agricultural areas that have been cleared and leveled for cattle ranching present particularly attractive opportunities for solar development. These pasturelands typically occupy the better-drained soils and have already been modified for human use, reducing environmental concerns about habitat disruption. The existing road networks serving these agricultural zones would facilitate construction access and ongoing maintenance operations. Areas located inland from the immediate coastal zone but still within the broader Nacajuca region offer advantages in terms of reduced salt air exposure and lower hurricane risk. The flat terrain throughout these inland sections eliminates concerns about shading between solar panel rows and allows for optimal spacing and orientation of photovoltaic arrays. Ground preparation costs would be minimal due to the naturally level topography. Sites positioned on slightly higher ground near existing electrical transmission infrastructure would be particularly valuable for large-scale solar development. The proximity to power lines and substations would reduce interconnection costs, while the elevated positioning provides natural drainage benefits. These locations combine the practical advantages of flat terrain with the infrastructure access necessary for commercial-scale renewable energy projects.

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

Tell Us About Your Work

We love seeing how our research helps others! If you've cited this article in your work, we'd be delighted to hear about it. Drop us a line via our Contact Us page or on X, to share where you've used our information - we may feature a link to your work on our site. This helps create a network of valuable resources for others in the solar energy community and helps us understand how our research is contributing to the field. Plus, we occasionally highlight exceptional works that reference our research on our social media channels.

Feeling generous?

Share this with your friends!

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.