Maruim, Sergipe, Brazil presents an excellent location for year-round solar photovoltaic energy generation. Located in the tropical zone at coordinates -10.7257, -37.1093, this area benefits from consistent sunlight throughout the year, with seasonal variations driven more by wet and dry periods than by dramatic changes in solar availability.

Solar Energy Production Potential

The solar energy output at Maruim demonstrates strong performance across all seasons. Spring emerges as the most productive period, generating 6.68 kWh per day for each kilowatt of installed solar capacity. Summer follows closely with 6.25 kWh/day per kW, making these two seasons the optimal times for maximum solar energy generation. Autumn maintains solid production levels at 5.50 kWh/day per kW, while winter shows the lowest output at 4.81 kWh/day per kW. However, even the winter production remains quite robust compared to many other global locations, highlighting the year-round viability of solar installations in this tropical setting. For optimal energy capture, solar panels should be installed at a fixed tilt angle of 9 degrees facing north. This angle has been calculated to maximize total annual solar production by accounting for the sun's path throughout the year and the location's specific latitude.

Environmental and Weather Challenges

Several local factors could potentially impact solar energy production in Maruim and require careful consideration during installation planning. The tropical climate brings significant humidity and moisture, particularly during wet seasons. High humidity can reduce solar panel efficiency and create conditions for corrosion of electrical components. Additionally, the combination of heat and moisture can accelerate degradation of panel materials and mounting systems over time. Heavy rainfall during wet seasons poses multiple challenges. Intense tropical downpours can physically damage panels if mounting systems aren't properly secured. More importantly, thick cloud cover during extended rainy periods will substantially reduce solar irradiance and energy production. The coastal proximity of this Brazilian location increases salt air exposure, which can cause accelerated corrosion of metal components in solar installations. Salt buildup on panel surfaces can also reduce light transmission and overall system efficiency.

Preventative Installation Measures

Several strategic measures can help maximize solar energy production despite these environmental challenges:

• Install panels with robust drainage systems and adequate spacing to prevent water accumulation
• Use marine-grade or specially coated mounting hardware designed to resist salt corrosion
• Implement regular cleaning schedules to remove salt deposits and organic growth from panel surfaces
• Choose panels and inverters with high IP ratings for moisture protection
• Ensure proper ventilation around panels to reduce heat buildup and improve efficiency

Proper system design should also include reinforced mounting structures capable of withstanding tropical storm conditions and heavy rain loads. Regular maintenance becomes particularly important in this environment, with periodic inspections to identify and address corrosion, debris accumulation, or weather damage before they significantly impact energy production. Despite these considerations, Maruim's consistent tropical sunlight and strong seasonal production numbers make it a highly suitable location for solar PV installations when proper environmental precautions are implemented.

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 Maruim

Seasonal solar PV output for Latitude: -10.7257, Longitude: -37.1093 (Maruim, 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 9° North in Maruim, Brazil

To maximize your solar PV system's energy output in Maruim, Brazil (Lat/Long -10.7257, -37.1093) throughout the year, you should tilt your panels at an angle of 9° 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 Maruim, 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 Maruim, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 9° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
5° South in Summer	16° North in Autumn	26° North in Winter	4° 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 Maruim, 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 Maruim, 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 Maruim, Brazil

Topographical Features of the Maruim Region

The area surrounding Maruim in Sergipe state, Brazil, is characterized by relatively flat to gently rolling terrain typical of the coastal lowlands along Brazil's northeastern Atlantic coast. This municipality sits within the Sergipe River basin, where the landscape consists predominantly of low-lying plains and subtle undulations that rarely exceed modest elevations above sea level. The topography transitions gradually from the coastal plain inland, creating a landscape dominated by sedimentary formations and alluvial deposits. The terrain features broad, shallow valleys interspersed with low ridges and gentle slopes. These characteristics result from the region's geological history, where marine and fluvial processes have shaped the land over millennia, creating the smooth, undulating surface visible today. Water features play a significant role in defining the local topography, with the Sergipe River and its tributaries creating natural drainage patterns throughout the region. These waterways have carved shallow channels and created fertile floodplains, contributing to the area's relatively flat profile. The presence of these water bodies also influences the surrounding terrain, creating subtle variations in elevation as the land slopes gently toward the river channels.

Optimal Areas for Large-Scale Solar Development

The expansive flat areas extending northwest and southwest of Maruim present the most promising opportunities for large-scale solar photovoltaic installations. These zones offer extensive tracts of relatively uniform terrain with minimal topographical obstacles, making them ideal for accommodating vast arrays of solar panels with consistent orientation and spacing. The elevated plateaus and gentle ridges scattered throughout the region provide additional advantages for solar development. These slightly raised areas offer natural drainage benefits while maintaining the flat to gently sloping characteristics essential for efficient solar panel installation. The higher ground also reduces concerns about seasonal flooding that might affect lower-lying areas near water bodies. Areas located away from the immediate river corridors and wetlands would be most suitable for development, as these zones typically feature more stable ground conditions and fewer environmental constraints. The terrain in these locations maintains the gentle slopes necessary for proper panel drainage while avoiding the complications associated with flood-prone areas or ecologically sensitive wetland zones. The consistent topographical characteristics across much of the region mean that large solar installations could potentially span considerable areas without encountering significant elevation changes or terrain obstacles. This uniformity allows for standardized installation techniques and equipment across extensive solar farms, contributing to both construction efficiency and long-term operational effectiveness.

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.