Solar Energy Potential in Urbano Santos, Maranhão, Brazil

Urbano Santos, Maranhão, Brazil, located at coordinates -3.3797, -43.3814, offers excellent conditions for solar photovoltaic (PV) energy production throughout the year. This tropical location benefits from consistent sunlight patterns, with seasonal changes primarily defined by wet and dry periods rather than significant variations in daylight duration. The solar energy potential at this location shows impressive daily electricity generation capabilities across all seasons. During winter, each kilowatt of installed solar capacity produces an average of 6.08 kWh per day. Spring offers even better conditions with 6.58 kWh/day - the highest seasonal output. Summer yields 5.56 kWh/day, while autumn provides 5.85 kWh/day per installed kilowatt.

Optimal Panel Installation

For fixed panel installations in Urbano Santos, Maranhão, the ideal tilt angle to maximize year-round energy production is 4 degrees facing North. This slight tilt optimizes solar capture throughout the year by accounting for the location's proximity to the equator, where the sun passes nearly directly overhead. Spring emerges as the most productive season for solar energy generation in this location, with winter following closely behind. This pattern differs from many non-tropical regions, where summer typically provides peak solar production.

Environmental Considerations

Several environmental factors could potentially impact solar generation efficiency in Urbano Santos:

• Heavy rainfall during the wet season may temporarily reduce solar production due to cloud cover and panel soiling
• High humidity levels can create condensation on panels, potentially reducing efficiency
• Dust accumulation, particularly during dry periods, can gradually decrease panel performance

Preventative Measures

To maximize solar energy production in this tropical environment, several installation practices are recommended: The slight 4-degree northward tilt helps prevent water accumulation during heavy rains while optimizing year-round solar capture. Regular cleaning schedules should be implemented, particularly before and after the wet season, to remove dust and debris. Additionally, installing panels with anti-soiling coatings can help maintain efficiency despite the tropical conditions. Using quality inverters designed for high-humidity environments will ensure consistent performance across seasons. Finally, implementing a monitoring system can help quickly identify any unexpected drops in production that might indicate environmental interference requiring maintenance. Overall, Urbano Santos provides an excellent location for solar PV installations with its consistently strong solar resource throughout the year and particularly favorable conditions during spring.

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 3161 locations across Brazil. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Brazil by location

Solar output per kW of installed solar PV by season in Urbano Santos

Seasonal solar PV output for Latitude: -3.3797, Longitude: -43.3814 (Urbano Santos, Brazil), 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 4° North in Urbano Santos, Brazil

To maximize your solar PV system's energy output in Urbano Santos, Brazil (Lat/Long -3.3797, -43.3814) throughout the year, you should tilt your panels at an angle of 4° North 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 Urbano Santos, Brazil

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 Urbano Santos, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 4° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
12° South in Summer	10° North in Autumn	19° North in Winter	2° 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 Urbano Santos, Brazil

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 Urbano Santos, Brazil.

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 Urbano Santos, Brazil

Topographical Features of Urbano Santos Region

The area surrounding Urbano Santos in Maranhão state sits within the expansive Brazilian Northeast region, characterized by relatively flat to gently rolling terrain typical of the coastal lowlands. The landscape consists primarily of sedimentary formations that create broad, open plains with minimal elevation changes across large distances. This topography represents part of the transition zone between the Amazon basin to the west and the Atlantic coastal plains to the north. The region features predominantly level ground with occasional low hills and gentle undulations that rarely exceed modest elevations above sea level. These subtle variations in the landscape are interspersed with seasonal watercourses and small valleys that drain toward the Atlantic Ocean. The terrain composition includes sandy soils mixed with clay deposits, creating stable ground conditions suitable for development projects.

Vegetation and Land Use Patterns

The natural vegetation around Urbano Santos consists mainly of cerrado savanna, characterized by scattered trees and shrubland over grassland areas. This semi-arid vegetation type indicates relatively low rainfall patterns and abundant sunshine throughout much of the year. Agricultural activities in the region focus primarily on cattle ranching and some crop cultivation, with large expanses of pasturelands dominating the rural landscape. The sparse tree cover and open grasslands create minimal shading obstacles across the terrain. Where forested areas do exist, they tend to follow watercourses or occupy slightly elevated ground, leaving extensive open areas between these natural corridors.

Optimal Areas for Large-Scale Solar Development

The most promising locations for major solar installations would be the extensive flat pasturelands that stretch across the region in multiple directions from Urbano Santos. These areas offer several key advantages including stable, level ground that minimizes construction complexity and reduces infrastructure costs. The open nature of these lands means minimal vegetation clearing would be required for development. Areas to the south and southwest of the municipality appear particularly well-suited due to their combination of flat topography and current land use as cattle pasture. These zones provide large contiguous parcels that could accommodate utility-scale solar arrays while maintaining adequate spacing between installations. The firm, well-drained soils in these areas would support the foundation requirements for solar mounting systems. The northeastern sections of the region also present excellent opportunities, where the landscape opens into broad plains with gentle slopes that could actually benefit solar panel positioning for optimal sun exposure. These areas benefit from good accessibility via existing rural road networks while being sufficiently distant from populated areas to avoid land use conflicts. Agricultural lands currently used for extensive cattle grazing represent the most practical choice for solar development, as these properties typically exist in large parcels under single ownership, simplifying the land acquisition process. The low-intensity agricultural use means that conversion to solar generation would not significantly impact local food production or rural employment patterns.

Brazil solar PV Stats as a country

Brazil ranks 13th in the world for cumulative solar PV capacity, with 13,708 total MW's of solar PV installed. This means that 2.50% of Brazil's total energy as a country comes from solar PV (that's 31st in the world). Each year Brazil is generating 64 Watts from solar PV per capita (Brazil ranks 47th in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in Brazil?

Yes, there are several incentives for businesses wanting to install solar energy in Brazil. The Brazilian government offers a range of tax credits and other financial incentives to encourage the adoption of renewable energy sources such as solar power. These include reduced import taxes on solar equipment, accelerated depreciation of investments in renewable energy projects, and preferential financing from public banks. Additionally, some states offer additional incentives such as subsidies or grants for businesses that install solar systems.

Do you have more up to date information than this on incentives towards solar PV projects in Brazil? 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.