Tavares, Paraíba, Brazil presents an excellent location for year-round solar energy generation through photovoltaic (PV) systems. Located in the tropical region at coordinates -7.6146, -37.8828, this area benefits from consistent sunlight throughout most of the year, with seasonal variations characterized more by wet and dry periods rather than dramatic temperature changes.

Solar Energy Output Performance

The solar energy production data for Tavares shows strong performance across all seasons, with some notable variations:

• Spring delivers the highest output at 7.48 kWh per day per kW of installed solar capacity
• Summer produces 6.58 kWh per day per kW installed
• Autumn generates 6.25 kWh per day per kW installed
• Winter shows the lowest output at 5.78 kWh per day per kW installed

Spring emerges as the ideal time for solar generation at this location, producing nearly 30% more energy than the winter months. Even during the lowest-producing season, the output remains quite substantial, making this location highly suitable for consistent solar energy production throughout the year.

Optimal Panel Installation

For maximum year-round solar production at Tavares, Paraíba, fixed solar panels should be tilted at 7 degrees toward the north. This optimal angle is calculated by analyzing daily solar elevation angles at this latitude, determining daily optimal panel tilt angles, and weighting these angles by daily photovoltaic potential using solar irradiance data while accounting for Earth's elliptical orbit.

Environmental and Weather Considerations

Several factors specific to Tavares's tropical location could potentially impact solar energy production and require careful consideration during installation. The region's tropical climate brings distinct wet and dry seasons, with the wet season potentially creating challenges for solar panel performance. Heavy rainfall and increased cloud cover during wet periods can reduce solar irradiance reaching the panels. However, the moderate impact on annual averages suggests these effects, while present, don't severely compromise overall system performance. High humidity levels typical of tropical regions can accelerate corrosion of metal components in solar installations. This environmental factor requires specific attention to material selection and protective measures during system design and installation.

Preventative Measures for Enhanced Performance

To maximize energy production and system longevity in Tavares's tropical environment, several preventative measures should be implemented during installation. Panel mounting systems should utilize marine-grade aluminum or galvanized steel with appropriate protective coatings to resist humidity-induced corrosion. All electrical connections must be sealed with weatherproof enclosures rated for high-humidity tropical conditions. Adequate drainage design becomes crucial to prevent water accumulation around panel mounting structures during heavy rainfall periods. Installing panels with sufficient ground clearance and proper drainage channels helps maintain optimal performance during wet seasons. Regular maintenance scheduling should account for the tropical environment, with more frequent cleaning to remove accumulated moisture, debris, and any biological growth that high humidity might encourage on panel surfaces. Selecting inverters and electrical components specifically rated for high-humidity tropical environments ensures reliable long-term operation. These components should feature enhanced moisture protection and corrosion-resistant materials designed for challenging tropical conditions.

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 Tavares

Seasonal solar PV output for Latitude: -7.6146, Longitude: -37.8828 (Tavares, 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 7° North in Tavares, Brazil

To maximize your solar PV system's energy output in Tavares, Brazil (Lat/Long -7.6146, -37.8828) throughout the year, you should tilt your panels at an angle of 7° 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 Tavares, 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 Tavares, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 7° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
8° South in Summer	13° North in Autumn	23° North in Winter	1° 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 Tavares, 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 Tavares, 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 Tavares, Brazil

Topographical Features of the Tavares Region

Tavares is situated in the interior of Paraíba state in northeastern Brazil, positioned within the Borborema Plateau region. This area is characterized by gently rolling hills and elevated plains that rise between 400 and 800 meters above sea level. The landscape consists primarily of crystalline highlands formed by ancient geological formations, creating a terrain that undulates across broad, sweeping ridges and shallow valleys.

The region exhibits the typical features of the Brazilian Caatinga biome, with sparse vegetation adapted to semi-arid conditions. The terrain is generally well-drained due to the elevated position and moderate slopes, though seasonal streams and small tributaries of the Paraíba River system create minor topographical variations throughout the area. Rocky outcrops and exposed granite formations are common, particularly on hilltops and ridge lines.

The surrounding countryside displays a patchwork of natural Caatinga vegetation interspersed with agricultural areas, primarily used for livestock grazing and drought-resistant crops. The topography creates natural drainage patterns that flow generally eastward toward the Atlantic coast, with the landscape becoming progressively more arid as one moves inland from the coastal regions.

Optimal Areas for Large-Scale Solar Development

The elevated plateaus and gentle ridge systems surrounding Tavares present excellent opportunities for large-scale solar photovoltaic installations. The most suitable areas are the broad, relatively flat highland surfaces that extend across the Borborema Plateau, particularly those with southern and southeastern exposures that maximize solar exposure throughout the day.

Areas with slopes between 0-5 degrees offer the best combination of installation efficiency and minimal grading requirements. These locations are abundant on the plateau surfaces north and east of Tavares, where the terrain opens into expansive, gently undulating plains. The elevated position of these sites provides additional advantages through improved air circulation and reduced atmospheric interference.

The region's semi-arid climate contributes to excellent conditions for solar development, with minimal cloud cover throughout most of the year and low humidity levels that enhance photovoltaic efficiency. The sparse vegetation typical of the Caatinga requires minimal clearing, reducing environmental impact and development costs. Additionally, the rocky substrate provides stable foundations for solar mounting systems.

Areas to avoid include the steeper hillsides with gradients exceeding 10 degrees, narrow valley floors subject to seasonal flooding, and locations with significant rock outcroppings that would require extensive site preparation. The best development zones are found on the broader plateau surfaces where consistent terrain allows for standardized installation techniques across large areas, maximizing economies of scale for utility-scale solar 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.