Tremedal, Bahia, Brazil represents an excellent location for year-round solar PV energy generation. Located in the tropics at coordinates -14.9008, -41.3234, this area benefits from consistent sunlight throughout most of the year, with seasons characterized more by wet and dry periods rather than dramatic temperature variations.

Solar Energy Output Performance

The solar energy production data shows strong and reliable performance across all seasons. Spring delivers the highest output at 6.55 kWh per day per kW of installed solar capacity, followed closely by summer at 6.28 kWh/day. Autumn maintains excellent production levels at 6.22 kWh/day, while winter shows the lowest but still substantial output at 5.29 kWh/day. The relatively small variation between seasons - only about 1.26 kWh difference between the best and worst performing seasons - demonstrates the location's reliability for consistent solar energy generation throughout the year. This makes Tremedal particularly attractive for solar installations as energy production remains predictable and substantial even during the lowest-producing winter months.

Optimal Panel Configuration

For fixed panel installations at this location, the ideal tilt angle to maximize total year-round solar production is 14 degrees North. This optimal angle is calculated by analyzing daily solar elevation angles at the latitude, determining daily optimal panel positioning, and weighting these angles using solar irradiance data while accounting for Earth's elliptical orbit around the sun.

Environmental and Weather Challenges

Several local factors could potentially impact solar production efficiency in Tremedal and require consideration during installation planning. Wet Season Impacts The tropical climate brings distinct wet and dry seasons, with the wet season potentially reducing solar irradiance due to increased cloud cover and atmospheric moisture. Extended periods of heavy rainfall and overcast skies during wet months can temporarily decrease energy output. Dust and Debris Accumulation During dry seasons, dust accumulation on solar panels can significantly reduce their efficiency. The contrast between wet and dry periods means panels may collect substantial dust and debris during dry spells, which then gets washed away during rains, creating a cyclical cleaning and soiling pattern. High Humidity and Moisture The tropical environment maintains high humidity levels year-round, which can affect electrical components and connections if not properly protected. Moisture infiltration into electrical systems poses risks to long-term performance and safety.

Preventative Measures for Optimal Performance

Several installation strategies can help maximize energy production and system longevity:

• Install panels with adequate spacing and ventilation to prevent moisture buildup and allow air circulation
• Use high-quality weatherproof electrical enclosures and connections rated for tropical conditions
• Implement regular cleaning schedules, particularly during and after dry seasons
• Consider automated cleaning systems or design panel angles that facilitate natural rain washing
• Select corrosion-resistant mounting hardware and materials suitable for high-humidity environments

Drainage and Water Management Proper drainage around solar installations prevents water pooling and reduces humidity around electrical components. Elevated mounting systems allow air circulation and prevent ground moisture from affecting the installation. Component Selection Choosing solar panels and inverters specifically rated for tropical conditions ensures better performance and longevity. Equipment designed to handle high humidity, temperature fluctuations, and intense UV exposure will maintain efficiency longer in this environment. Despite these considerations, Tremedal's consistent solar output throughout the year makes it an highly suitable location for solar PV installations, with proper planning and installation techniques easily addressing the tropical climate challenges.

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 Tremedal

Seasonal solar PV output for Latitude: -14.9008, Longitude: -41.3234 (Tremedal, 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 14° North in Tremedal, Brazil

To maximize your solar PV system's energy output in Tremedal, Brazil (Lat/Long -14.9008, -41.3234) throughout the year, you should tilt your panels at an angle of 14° 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 Tremedal, 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 Tremedal, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 14° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
1° South in Summer	21° North in Autumn	31° North in Winter	9° 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 Tremedal, 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 Tremedal, 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 Tremedal, Brazil

Topographical Characteristics of the Tremedal Region

The area surrounding Tremedal in Bahia, Brazil sits within the Caatinga biome, characterized by a semi-arid landscape that forms part of the Brazilian Northeast's distinctive geographical features. This region lies on an elevated plateau known as the Chapada Diamantina, which creates a moderately mountainous terrain with rolling hills and scattered flat-topped mesas called chapadas. The elevation around Tremedal typically ranges between 800 to 1,200 meters above sea level, providing a relatively high altitude environment compared to the coastal plains further east. The topography consists primarily of undulating terrain with gentle to moderate slopes, interspersed with areas of flatter ground that occur on the plateau surfaces. Rocky outcrops and exposed bedrock are common features throughout the landscape, reflecting the underlying geological structure of ancient crystalline rocks. The drainage pattern follows the natural contours, with seasonal streams and dry creek beds cutting through the terrain during the rainy season. Vegetation in this semi-arid environment remains sparse, dominated by drought-resistant shrubs, cacti, and small trees adapted to the dry climate. This relatively open landscape, combined with the elevated position, creates favorable conditions for solar energy development due to minimal shading from vegetation and excellent exposure to solar radiation throughout the year.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations around Tremedal would be the flatter plateau areas and gentle slopes with southern-facing orientations. These areas provide the necessary stable ground conditions and optimal solar exposure while minimizing the costs associated with land preparation and installation. The chapada formations offer particularly attractive sites, as these flat-topped elevated areas provide extensive level ground with minimal vegetation clearing requirements. The rocky substrate beneath these areas also offers excellent foundation conditions for solar panel mounting systems, reducing construction complexity and long-term stability concerns. Areas with slopes facing south or southwest would be especially beneficial, as they maximize solar collection throughout the day. The elevated nature of the terrain also provides natural drainage, preventing water accumulation that could affect equipment performance during the rainy season. Transportation access represents another crucial factor in site selection. Areas closer to existing roads or with potential for road development would significantly reduce infrastructure costs. The relatively open terrain makes road construction more feasible compared to heavily forested regions, though careful route planning around steeper slopes and rocky areas would be necessary. Land availability also favors solar development in this region, as the semi-arid conditions limit intensive agricultural use, potentially reducing competition for land resources. The sparse population density typical of this environment further supports the feasibility of large-scale renewable energy projects.

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.