Solar Energy Potential in Candeias, Bahia, Brazil

Candeias, Bahia, Brazil, located at latitude -12.6557 and longitude -38.487, offers highly favorable conditions for solar photovoltaic (PV) energy generation throughout the year. This tropical location benefits from consistent sunlight patterns that make it an excellent candidate for solar power installations. The seasonal solar energy production at this location shows strong performance year-round. During summer months, solar panels can generate approximately 6.19 kWh per day for each kilowatt of installed capacity. Spring follows closely with 5.98 kWh/day, while autumn yields 5.59 kWh/day. Even during winter, which represents the lowest production period, panels still produce a respectable 4.53 kWh/day per kilowatt installed.

Optimal Panel Installation

For fixed solar panel installations in Candeias, Bahia, the ideal tilt angle to maximize year-round energy production is 11 degrees facing North. This specific angle has been calculated to optimize solar capture throughout the year, accounting for the Earth's elliptical orbit and the site's tropical location. The relatively small tilt angle reflects Candeias' proximity to the equator, where the sun passes nearly overhead during much of the year. This positioning allows panels to capture maximum sunlight with minimal seasonal adjustments needed.

Environmental and Weather Considerations

Several environmental factors could potentially impact solar production in Candeias:

• High humidity and seasonal heavy rainfall may cause temporary reductions in solar efficiency due to cloud cover, particularly during the wet season
• Dust accumulation can be significant in tropical regions, gradually reducing panel efficiency if not addressed
• High temperatures, while abundant in sunlight, can slightly reduce the efficiency of some photovoltaic technologies

Preventative Measures

To maximize energy production despite these challenges, several preventative measures are recommended: Installing panels with self-cleaning glass or hydrophobic coatings can help mitigate dust buildup. Regular maintenance cleaning should still be scheduled, particularly before and after the rainy season. Ensuring adequate airflow beneath panels through proper mounting systems can help dissipate heat and maintain optimal operating temperatures. Temperature-resistant panel technologies specifically designed for tropical climates may also be worth the investment. Additionally, implementing slightly elevated tilt angles (beyond the mathematically optimal 11 degrees) might be considered in areas prone to heavy dust accumulation, as this can improve natural cleaning during rainfall events.

Year-Round Production Profile

The seasonal variation in Candeias shows that summer and spring are the peak production periods, with autumn following closely behind. Winter represents a moderate dip in production but still maintains over 73% of summer capacity. This relatively small seasonal variation makes Candeias an ideal location for year-round solar energy harvesting, with predictable and consistent output that can be reliably integrated into energy planning.

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 Candeias

Seasonal solar PV output for Latitude: -12.6557, Longitude: -38.487 (Candeias, 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 11° North in Candeias, Brazil

To maximize your solar PV system's energy output in Candeias, Brazil (Lat/Long -12.6557, -38.487) throughout the year, you should tilt your panels at an angle of 11° 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 Candeias, 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 Candeias, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 11° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
3° South in Summer	18° North in Autumn	28° North in Winter	7° 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 Candeias, 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 Candeias, 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 Candeias, Brazil

The topography around Candeias in Bahia, Brazil presents a varied landscape characterized by gently rolling hills, coastal plains, and modest elevations. Located in the northeastern region of Brazil, Candeias sits approximately 40 kilometers north of Salvador, the state capital of Bahia. The terrain generally consists of undulating landscapes with elevations ranging from near sea level to approximately 100-200 meters above sea level in the higher areas. The region features a mix of coastal influence and inland characteristics. To the east, the terrain gradually descends toward the Bay of All Saints (Baía de Todos os Santos), one of Brazil's largest bays. The western portions tend to have slightly higher elevations with more pronounced hills. Natural vegetation in the area includes remnants of Atlantic Forest and coastal scrubland, though much has been altered by human activity including agriculture, industrial development, and urban expansion.

Hydrography

The area around Candeias is marked by several water bodies that influence its topography. Small rivers and streams cut through the landscape, creating natural valleys and drainage systems. The proximity to the Bay of All Saints also means that some coastal areas feature mangroves and tidal flats. These waterways have historically shaped both the physical landscape and human settlement patterns in the region.

Potential Areas for Solar PV Development

For large-scale solar photovoltaic development, the most suitable areas near Candeias would be the gently sloping hillsides and plateaus located primarily to the west and northwest of the urban center. These areas offer several advantages for solar energy capture: The slightly elevated terrain with southern, eastern, or western exposures provides excellent solar access throughout the day. Many of these areas feature cleared land that was previously used for agriculture or grazing, meaning minimal vegetation clearance would be required for solar installation. The northwestern corridor extending toward neighboring municipalities like São Sebastião do Passé and Terra Nova contains extensive areas of open land with favorable topography for solar arrays. These regions typically have good drainage patterns, reducing flood risks that could impact solar infrastructure. The relatively stable soil composition in these higher elevation areas also provides good foundation conditions for mounting systems without excessive grading or earthwork. Additionally, these locations tend to be set back from the industrial corridors closer to the coast, potentially reducing air pollution concerns that might affect solar panel efficiency.

Topographical Challenges

Despite the generally favorable conditions, some topographical features present challenges for solar development. Low-lying areas near the coast and around water bodies may experience periodic flooding or have high water tables, making them less suitable for large-scale installations. Steeper slopes found in some sections of the region would require more extensive grading and potentially raise concerns about soil erosion during construction and operation. The northeastern Brazilian climate brings seasonal heavy rainfall, particularly from April through July, which has shaped the local drainage patterns. Solar developers would need to account for these established water flows when designing site layouts and stormwater management systems. In conclusion, the most promising areas for large-scale solar PV development near Candeias would be the moderately elevated, gently sloping terrains to the west and northwest of the urban center, where the combination of favorable topography, existing land clearing, and reduced flood risk creates optimal conditions for solar energy capture.

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.