Solar Energy Potential at Capim Grosso, Bahia, Brazil

Capim Grosso, Bahia, Brazil, located at latitude -11.2942 and longitude -39.9557, offers a promising location for solar power generation throughout the year. This tropical location benefits from relatively consistent sunlight patterns, with seasonal variations defined more by wet and dry periods than by dramatic changes in daylight hours. The solar energy production potential shows strong performance across all seasons, with only moderate fluctuation throughout the year. During summer, solar panels can generate approximately 6.33kWh per day for each kilowatt of installed capacity. Autumn remains productive with 6.04kWh/day, while spring nearly matches summer output at 6.27kWh/day per kilowatt installed. Winter represents the least productive season at this location, yet still delivers a respectable 4.70kWh/day per kilowatt installed. This represents approximately a 26% reduction compared to summer values, which is relatively modest compared to locations at higher latitudes where winter production can drop more dramatically.

Optimal Panel Installation

For fixed solar panel installations at Capim Grosso, Bahia, the ideal tilt angle to maximize year-round electricity production is 10 degrees facing North. This specific angle has been calculated to optimize annual energy capture based on the location's position south of the equator, accounting for the Earth's elliptical orbit and the site's specific solar radiation patterns.

Environmental and Weather Considerations

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

• Seasonal heavy rainfall during the wet season can reduce solar output due to cloud cover and direct precipitation on panels.
• Dust accumulation is common in tropical regions with alternating wet and dry seasons, as dust can adhere to panels during dry periods and form mud during rains.
• High humidity levels can contribute to faster degradation of electrical components if not properly protected.

Preventative Measures

To maximize energy production despite these challenges, several preventative measures are recommended:

• Install panels with self-cleaning hydrophobic coatings or implement a regular cleaning schedule, especially during transitions between wet and dry seasons.
• Use corrosion-resistant mounting hardware and weatherproof junction boxes rated for tropical environments.
• Consider a slight increase in the tilt angle (beyond the mathematically optimal 10 degrees) to improve natural cleaning from rainfall.
• Install lightning protection systems, as tropical regions often experience frequent thunderstorms.
• Select inverters and other electronic components with appropriate IP ratings for protection against dust and moisture intrusion.

Overall, Capim Grosso presents a favorable location for solar energy generation, with strong year-round potential and manageable seasonal variations. With proper system design and maintenance practices adapted to local conditions, solar installations here can achieve excellent long-term performance.

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 Capim Grosso

Seasonal solar PV output for Latitude: -11.2942, Longitude: -39.9557 (Capim Grosso, 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 Capim Grosso, Brazil

To maximize your solar PV system's energy output in Capim Grosso, Brazil (Lat/Long -11.2942, -39.9557) 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 Capim Grosso, 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 Capim Grosso, 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
4° South in Summer	17° North in Autumn	27° 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 Capim Grosso, 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 Capim Grosso, 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 Capim Grosso, Brazil

The topography around Capim Grosso, Brazil presents a diverse landscape characterized by gently rolling hills, plateaus, and valleys typical of Brazil's northeastern interior. Located in the state of Bahia, this region sits at an elevation of approximately 400-500 meters above sea level, creating a moderately elevated terrain that transitions between the higher plateaus to the west and the lower coastal plains to the east.

Landscape Features

The area surrounding Capim Grosso is part of Brazil's semi-arid region known as the Sertão, featuring a mix of caatinga vegetation—a distinctive dry forest ecosystem with drought-resistant shrubs and cacti. The terrain consists primarily of weathered hills with moderate slopes interspersed with flatter areas. Seasonal rivers and streams have carved shallow valleys throughout the region, creating a network of natural drainage systems that become more prominent during the rainy season. The soil composition tends toward sandy and clay mixtures, with exposed rock formations visible in some areas. This varied topography has been shaped by centuries of erosion, creating a landscape that alternates between open, elevated plateaus and more enclosed valley systems.

Solar PV Potential Areas

For large-scale solar photovoltaic installations, several nearby areas offer particularly favorable conditions based on topographical considerations: The elevated plateaus to the west and northwest of Capim Grosso present some of the most suitable terrain for solar development. These areas feature relatively flat expanses with minimal shading from surrounding hills, allowing for efficient arrangement of solar arrays without significant earthwork requirements. The stable soil conditions also provide solid foundations for mounting systems. The gently sloping hills facing north, northeast, and northwest within a 30-kilometer radius of Capim Grosso also offer promising locations. These areas combine good solar exposure with natural drainage, reducing the risk of flooding or water accumulation around solar infrastructure. The moderate inclines can actually be advantageous, as they can be oriented to optimize solar panel positioning. Areas along the BR-407 highway corridor, particularly in the direction of Senhor do Bonfim, feature expanses of cleared land with appropriate topography for solar development. These locations benefit from relatively flat terrain and existing transportation infrastructure, making construction and maintenance more practical.

Topographical Challenges

Despite the generally favorable conditions, certain topographical features present challenges for solar development. The more dissected terrain to the east, with its deeper valleys and steeper slopes, would require significant grading and preparation, increasing construction costs. Areas near seasonal waterways and drainage channels should also be avoided due to potential flooding and erosion risks. Additionally, some portions of the region feature dense caatinga vegetation, which would require clearing and environmental mitigation measures. The most ideal sites balance minimal vegetation disturbance with optimal topographical characteristics. The combination of moderate elevation, predominantly clear skies throughout the year, and available flat to gently sloping terrain makes the broader Capim Grosso region topographically well-suited for solar energy development, particularly in the carefully selected areas described above.

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.