Forquilha, Ceará, Brazil presents an excellent location for year-round solar energy generation. Located in the tropical region at coordinates -3.8335, -40.2343, this area benefits from consistent sunlight throughout most of the year, with seasons typically defined by wet and dry periods rather than significant temperature variations.

Solar Energy Production Throughout the Year

The solar energy output at Forquilha shows strong performance across all seasons, with some notable seasonal variations. During summer, solar panels can be expected to generate 5.61 kWh per day for each kW of installed capacity. Autumn sees a slight improvement to 5.73 kWh/day per kW. Winter brings even better results with 6.17 kWh/day per kW, while spring delivers the highest output at 6.82 kWh/day per kW. This pattern makes spring and winter the ideal times for solar energy generation at this location, with spring being particularly productive.

Optimal Panel Installation

For maximum year-round solar production at Forquilha, Ceará, fixed solar panels should be tilted at 4 degrees North. This optimal angle is calculated by analyzing daily solar elevation angles at this latitude, determining daily optimal panel tilt, and weighting these angles by daily photovoltaic potential using solar irradiance data while accounting for Earth's elliptical orbit.

Environmental and Weather Factors

Several environmental factors could potentially impact solar energy production at this tropical location:

• Seasonal rainfall: The wet season can reduce solar output due to cloud cover and frequent precipitation
• High humidity: Tropical humidity levels may affect panel efficiency and create condensation issues
• Dust and debris accumulation: Dry periods can lead to dust buildup on panels, reducing their effectiveness
• Intense heat: High temperatures can decrease panel efficiency despite abundant sunlight

Preventative Measures for Optimal Performance

To maximize solar energy production despite these challenges, several preventative measures should be implemented during installation: Regular cleaning systems or schedules should be established to remove dust and debris, particularly important during dry seasons. Proper ventilation around panels helps manage heat buildup and maintains optimal operating temperatures. Installing panels with adequate spacing allows for air circulation and easier maintenance access. Using high-quality mounting systems that resist corrosion in humid conditions ensures long-term stability and performance. Implementing monitoring systems can help identify performance issues quickly, while selecting panels rated for tropical conditions ensures they can withstand the local climate effectively. These measures help maintain the excellent solar potential that Forquilha's location naturally provides.

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 Forquilha

Seasonal solar PV output for Latitude: -3.8335, Longitude: -40.2343 (Forquilha, 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 Forquilha, Brazil

To maximize your solar PV system's energy output in Forquilha, Brazil (Lat/Long -3.8335, -40.2343) 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 Forquilha, 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 Forquilha, 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 Forquilha, 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 Forquilha, 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 Forquilha, Brazil

Topography Around Forquilha, Brazil

Forquilha is located in the state of Ceará in northeastern Brazil, positioned within the semi-arid region known as the Caatinga. The topography around this municipality is characterized by relatively flat to gently rolling terrain, typical of the interior plateau regions of Ceará. The landscape consists primarily of low-lying plains with scattered low hills and occasional rocky outcrops that break up the otherwise subdued relief.

The elevation in and around Forquilha generally ranges from approximately 200 to 400 meters above sea level, creating a moderately elevated plateau environment. The terrain slopes very gradually toward the northeast, following the general drainage pattern of the region. Small seasonal streams and dry creek beds, known locally as riachos, cut shallow valleys through the landscape, though these features are typically not deep enough to significantly alter the overall flat character of the area.

The soil composition consists largely of crystalline basement rocks covered by thin layers of sedimentary deposits. Rocky outcrops of granite and gneiss occasionally emerge from the surface, particularly on slightly elevated areas. These geological features contribute to the semi-arid nature of the region, as the underlying rock formations limit water retention and create conditions that support the characteristic Caatinga vegetation.

Optimal Areas for Large-Scale Solar PV Development

The relatively flat terrain surrounding Forquilha presents excellent opportunities for large-scale solar photovoltaic installations. The most suitable areas would be the extensive flat plains that stretch to the north and east of the municipality, where the land remains consistently level over large areas with minimal elevation changes. These zones offer the advantage of requiring minimal grading or earthwork for solar panel installation while providing ample space for utility-scale projects.

Areas with gentle southern-facing slopes would be particularly advantageous, as they naturally optimize the angle for solar collection throughout the day. The low hills located to the southwest of Forquilha could provide such optimal positioning, though developers would need to ensure that the slopes remain within acceptable grades for standard mounting systems.

The sparse vegetation characteristic of the Caatinga biome in this region means that land clearing requirements would be relatively minimal compared to forested areas. However, developers should prioritize areas that have already been cleared for agriculture or grazing to minimize environmental impact. The flat agricultural lands that surround the town center represent prime candidates for solar development, as they combine optimal topography with existing land use patterns that are compatible with renewable energy projects.

Areas near existing electrical infrastructure would also be preferable, as the relatively flat terrain would facilitate the construction of transmission lines and substations needed to connect large solar installations to the regional power grid. The plateau-like nature of the landscape ensures that there are few topographical barriers to grid interconnection across most of the surrounding area.

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.