Maragogi, Alagoas, Brazil presents an excellent location for year-round solar energy generation. Located in the tropical region at coordinates -8.9586, -35.276, this coastal area benefits from consistent sunlight throughout most of the year, with seasonal variations characterized more by wet and dry periods rather than traditional temperature-based seasons.

Solar Energy Production Performance

The solar energy output at Maragogi shows strong performance across all seasons, with notable seasonal variations:

• Spring delivers the highest output at 6.73 kWh per day per kW of installed capacity
• Summer follows closely with 6.27 kWh per day per kW
• Autumn produces 5.36 kWh per day per kW
• Winter shows the lowest output at 4.72 kWh per day per kW

The peak production periods occur during spring and summer months, making these the ideal times for maximum solar energy generation. Even during the lowest-producing winter season, the location still maintains reasonable solar output levels. For optimal year-round energy production, solar panels should be installed at a fixed tilt angle of 8 degrees facing north. This specific angle maximizes total annual solar energy capture by accounting for the sun's path throughout the year and the location's proximity to the equator.

Environmental and Weather Challenges

Several local factors in Maragogi can potentially impact solar energy production and require careful consideration during installation. The coastal tropical climate brings high humidity and salt air exposure, which can accelerate corrosion of metal components and electrical connections. Regular maintenance schedules and the use of marine-grade materials and coatings help protect equipment from these harsh coastal conditions. Heavy rainfall during wet seasons can reduce solar output and create challenges for panel cleaning and maintenance access. However, rain also provides natural cleaning of panels, removing dust and debris that might otherwise accumulate and reduce efficiency. Strong coastal winds and occasional tropical storms pose risks to solar installations. Proper structural engineering and robust mounting systems designed for high wind loads are essential for long-term system reliability.

Preventative Installation Measures

To maximize energy production despite these environmental challenges, several preventative measures should be implemented during solar installation. Using corrosion-resistant materials such as aluminum frames and stainless steel hardware helps combat the salt-air environment. All electrical connections should be properly sealed and weatherproofed to prevent moisture infiltration. Installing panels with adequate spacing allows for proper air circulation, reducing heat buildup and improving efficiency in the tropical climate. This spacing also facilitates easier cleaning and maintenance access. Implementing robust grounding systems and surge protection devices protects against electrical issues during storms. The mounting structure should be engineered to withstand local wind load requirements, with proper anchoring to resist uplift forces. Regular maintenance protocols should include inspection of all connections, cleaning of panels when natural rainfall is insufficient, and monitoring of system performance to identify any degradation early.

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 Maragogi

Seasonal solar PV output for Latitude: -8.9586, Longitude: -35.276 (Maragogi, 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 8° North in Maragogi, Brazil

To maximize your solar PV system's energy output in Maragogi, Brazil (Lat/Long -8.9586, -35.276) throughout the year, you should tilt your panels at an angle of 8° 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 Maragogi, 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 Maragogi, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 8° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
7° South in Summer	15° North in Autumn	25° North in Winter	3° North 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 Maragogi, 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 Maragogi, 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 Maragogi, Brazil

Topographical Features Around Maragogi

The coastal region surrounding Maragogi in northeastern Brazil presents a relatively flat and low-lying landscape typical of the Atlantic coastal plains. This area sits at near sea level, with gentle undulations and minimal elevation changes extending inland from the pristine beaches. The terrain consists primarily of sedimentary formations covered by sandy soils and scattered vegetation patches.

Moving westward from the coast, the topography gradually transitions into slightly more elevated terrain, though still remaining quite flat by most standards. The region features occasional low hills and gentle ridges that rarely exceed 100 meters in elevation. These subtle rises in the landscape are interspersed with small valleys and drainage channels that carry seasonal rainfall toward the Atlantic Ocean.

The immediate coastal zone includes extensive areas of restinga vegetation, which grows on sandy soils behind the beach dunes. Further inland, the landscape opens into agricultural areas and pasturelands, with patches of Atlantic Forest remnants scattered throughout the region. The overall topographical character remains remarkably uniform, creating vast expanses of accessible flat land.

Optimal Areas for Large-Scale Solar Development

The expansive flat agricultural lands located approximately 10 to 20 kilometers inland from Maragogi present the most promising opportunities for large-scale solar photovoltaic installations. These areas combine ideal topographical conditions with practical advantages for solar development. The minimal elevation changes reduce grading requirements and construction costs while providing excellent access for equipment installation and maintenance.

The gently rolling pasturelands to the west and southwest of Maragogi offer particularly suitable conditions for solar farms. These areas typically feature cleared land with minimal vegetation, reducing environmental impact concerns and land preparation costs. The stable soil conditions in these zones provide solid foundations for solar mounting systems without requiring extensive site preparation.

Areas along the BR-101 highway corridor, which runs roughly parallel to the coast approximately 15 kilometers inland, present additional advantages for solar development. The proximity to existing transportation infrastructure facilitates construction logistics and ongoing maintenance operations. These zones also benefit from relatively close access to electrical transmission infrastructure, which is crucial for connecting large solar installations to the regional power grid.

The slightly elevated plateaus found scattered throughout the inland areas offer natural drainage advantages that help prevent water accumulation around solar installations during the rainy season. These higher elevations, while still quite modest, provide better air circulation that can help maintain optimal operating temperatures for photovoltaic panels.

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.