Acarape, Ceará, Brazil presents an excellent location for year-round solar energy generation. Located in the tropical region at coordinates -4.2057, -38.6916, this area benefits from consistent sunlight throughout the year, with seasonal variations primarily defined by wet and dry periods rather than the dramatic temperature changes seen in temperate climates.

Solar Energy Production Performance

The solar energy output at Acarape demonstrates strong and reliable performance across all seasons. Spring emerges as the most productive period, generating 7.09 kWh per day for each kW of installed solar capacity. Winter follows closely with 6.23 kWh/day per kW, while summer produces 6.06 kWh/day per kW. Autumn shows the lowest output at 5.90 kWh/day per kW, though this still represents solid energy generation. The relatively small variation between seasons - only about 1.2 kWh difference between the highest and lowest producing periods - makes this location particularly attractive for solar installations. This consistency means energy planners can rely on predictable solar output throughout the year.

Optimal Panel Configuration

For fixed solar panel installations at Acarape, Ceará, the ideal tilt angle to maximize total year-round production is 4 degrees facing North. This shallow angle reflects the location's proximity to the equator, where the sun travels high overhead throughout the year.

Environmental and Weather Challenges

Several local factors could potentially impact solar energy production at this tropical location, though most can be effectively managed with proper planning and installation techniques. Humidity and Moisture represent the primary environmental challenge. The tropical climate brings high humidity levels year-round, which can lead to moisture infiltration in electrical components and accelerated corrosion of metal fixtures. Additionally, the wet season brings heavy rainfall that, while helping to clean panels naturally, can also create temporary shading from dense cloud cover. Dust and Vegetation Growth pose ongoing maintenance challenges. During dry periods, dust accumulation on panels can reduce efficiency, while the year-round growing season means vegetation can quickly encroach on solar installations if not properly managed. Intense UV Exposure throughout the year can accelerate the degradation of certain solar panel materials and mounting components, potentially reducing the lifespan of installations.

Preventative Measures for Optimal Performance

Several installation strategies can help maximize solar energy production despite these environmental challenges:

• Enhanced Weatherproofing: Use marine-grade electrical components and ensure all connections have superior moisture sealing to combat humidity effects
• Corrosion-Resistant Materials: Select aluminum or stainless steel mounting systems with appropriate coatings designed for tropical marine environments
• Proper Drainage Design: Install panels with adequate spacing and drainage to prevent water accumulation during heavy rains
• UV-Resistant Components: Choose panels and mounting hardware specifically rated for high UV exposure environments

Maintenance Planning becomes crucial in this environment. Regular cleaning schedules should account for both dust accumulation during dry periods and potential debris from tropical storms. Vegetation management around installations requires ongoing attention due to rapid plant growth in the tropical climate. Ventilation Considerations are also important, as proper airflow around panels helps manage the heat buildup that can occur in consistently warm, humid conditions. This helps maintain panel efficiency and extends equipment lifespan. Despite these challenges, Acarape's consistent solar resource and manageable environmental factors make it a highly suitable location for solar energy generation when proper installation and maintenance practices are followed.

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 Acarape

Seasonal solar PV output for Latitude: -4.2057, Longitude: -38.6916 (Acarape, 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 Acarape, Brazil

To maximize your solar PV system's energy output in Acarape, Brazil (Lat/Long -4.2057, -38.6916) 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 Acarape, 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 Acarape, 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	11° North in Autumn	20° 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 Acarape, 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 Acarape, 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 Acarape, Brazil

Topography Around Acarape, Brazil

Acarape is located in the state of Ceará in northeastern Brazil, positioned within a region characterized by relatively gentle topography typical of the Brazilian coastal plains. The immediate area around Acarape features predominantly flat to gently rolling terrain, with elevations generally ranging from near sea level to modest hills of several hundred meters. This landscape is part of the broader Borborema Plateau system, though Acarape itself sits in the lower elevations approaching the Atlantic coastal zone.

The terrain consists mainly of sedimentary formations with occasional crystalline rock outcrops creating low hills and ridges. The topography becomes more varied as one moves inland from the coast, with gentle undulations and broad valleys carved by seasonal watercourses. The region experiences a semi-arid climate with distinct wet and dry seasons, which has shaped the landscape into relatively open areas with sparse vegetation coverage in many locations.

Drainage patterns in the area are dominated by intermittent streams and rivers that flow primarily during the rainy season. These waterways have created shallow valleys and depressions in the landscape, but overall relief remains moderate. The coastal influence means that much of the terrain slopes gradually toward the Atlantic Ocean, located approximately 50 kilometers to the northeast of Acarape.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations around Acarape would be the extensive flat to gently sloping areas that dominate much of the surrounding landscape. These areas offer the dual advantages of minimal grading requirements and reduced installation costs while providing optimal conditions for solar panel positioning and maintenance access.

The broad, elevated plateaus and mesa-like formations scattered throughout the region present particularly attractive opportunities for solar development. These elevated areas typically feature stable geology, good drainage characteristics, and minimal interference from seasonal flooding that can affect lower-lying areas during the wet season. The higher elevations also tend to experience better air circulation, which can help maintain optimal operating temperatures for photovoltaic equipment.

Areas with sparse natural vegetation cover would be preferable for development, as they minimize environmental impact and reduce land preparation costs. Much of the semi-arid landscape around Acarape naturally features open areas with minimal tree coverage, making site preparation more straightforward compared to regions requiring extensive clearing operations.

The relatively stable geological conditions throughout the region, primarily consisting of sedimentary rocks and weathered crystalline formations, provide good foundation conditions for solar installations. Areas away from the seasonal drainage channels and flood-prone depressions would be most suitable, as they offer better long-term stability and reduced risk of water-related damage to equipment.

Transportation access represents another important consideration, and areas near existing road networks or locations where access roads can be easily constructed across the gentle terrain would be most practical for large-scale development. The relatively flat topography throughout much of the region makes road construction and equipment transportation more feasible compared to areas with steep or highly variable terrain.

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!

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.