Quijingue, Bahia, Brazil represents an excellent location for year-round solar PV energy generation. Located in the tropical region at coordinates -10.788, -39.0339, this area benefits from the consistent sunlight characteristic of tropical climates, where seasonal variations are primarily defined by wet and dry periods rather than dramatic changes in solar availability.

Solar Energy Production Throughout the Year

The solar energy output at Quijingue demonstrates strong performance across all seasons. Spring delivers the highest production at 6.48 kWh per day per kW of installed solar capacity, closely followed by summer at 6.29 kWh per day. Even during the lowest-producing season of winter, the location still generates a respectable 4.94 kWh per day per kW, while autumn provides 5.92 kWh per day. The most productive periods for solar generation at this location are spring and summer, when energy output exceeds 6.2 kWh per day per kW of installed capacity. This makes Quijingue particularly attractive for solar installations, as even the winter months maintain relatively strong production levels compared to many other global locations.

Optimal Panel Installation

For fixed panel installations at Quijingue, Bahia, the ideal tilt angle to maximize total year-round solar production is 10 degrees facing North. This relatively shallow angle reflects the location's proximity to the equator and helps optimize energy capture throughout the year by accounting for the sun's path and seasonal variations in solar elevation.

Environmental and Weather Considerations

Several local factors could potentially impact solar production at this location and should be considered during installation planning:

• Seasonal rainfall patterns: As a tropical location, Quijingue experiences distinct wet and dry seasons that can affect solar panel performance through increased cloud cover and reduced solar irradiance during rainy periods
• Dust and particulate accumulation: During dry seasons, dust buildup on solar panels can significantly reduce energy output
• High humidity levels: Tropical humidity can lead to moisture-related issues with electrical components and connections
• Intense solar radiation: While beneficial for energy production, the strong tropical sun can accelerate degradation of solar panel materials

Preventative Measures for Optimal Performance

To maximize solar energy production and system longevity at Quijingue, Bahia, several preventative measures should be implemented: Regular cleaning schedules become essential, particularly during dry seasons when dust accumulation is most problematic. Installing panels with adequate spacing allows for proper air circulation, helping to reduce heat buildup and moisture retention. Using high-quality, tropical-rated electrical components and ensuring proper sealing of all connections helps combat humidity-related degradation. Selecting solar panels specifically rated for high-temperature and high-UV environments will help maintain performance under intense tropical conditions. Additionally, installing monitoring systems allows for early detection of performance issues, enabling prompt maintenance interventions. Proper drainage design around the installation site prevents water accumulation during heavy rains, while strategic positioning can take advantage of natural wind patterns to help keep panels cool and dry. These measures collectively help ensure that the excellent solar potential of Quijingue translates into reliable, long-term energy production.

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 Quijingue

Seasonal solar PV output for Latitude: -10.788, Longitude: -39.0339 (Quijingue, 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 10° North in Quijingue, Brazil

To maximize your solar PV system's energy output in Quijingue, Brazil (Lat/Long -10.788, -39.0339) throughout the year, you should tilt your panels at an angle of 10° 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 Quijingue, 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 Quijingue, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 10° 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	5° 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 Quijingue, 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 Quijingue, 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 Quijingue, Brazil

Topographical Features of the Quijingue Region

Quijingue is situated in the interior of Bahia state, within Brazil's semi-arid northeast region known as the Caatinga. The landscape around this municipality is characterized by gently rolling hills and broad, shallow valleys that create an undulating terrain typical of the Brazilian sertão. The elevation in the immediate vicinity ranges from approximately 400 to 600 meters above sea level, with the town itself positioned on relatively flat ground that gradually rises toward low ridges and plateaus.

The topography consists primarily of weathered crystalline rock formations that have been shaped by centuries of erosion under the region's dry climate conditions. These geological features create a series of low mesas and gentle slopes interspersed with seasonal drainage channels called riachos. During the wet season, these channels carry water toward larger river systems, but for much of the year they remain dry, leaving behind sandy beds and sparse vegetation.

The surrounding countryside displays the characteristic vegetation of the Caatinga biome, with thorny shrubs, cacti, and drought-resistant trees scattered across the landscape. This sparse vegetation cover means that much of the terrain experiences minimal shading throughout the day, creating extensive areas of open ground with direct sky exposure.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations in the Quijingue area would be the elevated plateaus and mesa tops that extend to the northeast and southwest of the town center. These elevated areas offer several advantages including consistent wind flow for natural cooling of solar panels, minimal risk of seasonal flooding, and relatively stable ground conditions for mounting systems.

The broad, flat-topped ridges located approximately 10 to 15 kilometers from Quijingue's center present particularly attractive development opportunities. These areas feature gentle slopes of less than 5 degrees, which are ideal for optimizing panel orientation while minimizing grading and earthwork requirements. The crystalline bedrock underlying these plateaus provides excellent foundation conditions for large solar arrays.

Areas along the higher elevations to the west of Quijingue also show strong potential, where the terrain opens into expansive, relatively level stretches with minimal vegetation. These locations benefit from their position on watershed divides, ensuring they remain above any potential water accumulation during the rainy season. The sparse population density in these elevated areas also means fewer conflicts with existing land uses and easier access to large contiguous parcels suitable for utility-scale development.

The lower-lying valleys and drainage areas closer to the town center would be less suitable for solar development due to their potential for seasonal water flow and the presence of denser vegetation along the watercourses. Additionally, these areas may experience more dust and humidity issues that could affect solar panel performance and maintenance requirements.

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.