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Flag of BrazilSolar PV Analysis of Tenente Ananias, Brazil

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Tenente Ananias, Brazil (by season)

Tenente Ananias, Rio Grande do Norte, Brazil represents an excellent location for year-round solar energy generation. Located in the tropical region where sunlight remains consistent throughout most of the year, this area experiences seasons characterized more by wet and dry periods rather than the traditional temperature variations seen in temperate climates.

Solar Energy Production Potential

The solar energy output data for this location demonstrates remarkably consistent performance across all seasons. During summer months, solar panels can be expected to generate 6.25 kWh per day for each kilowatt of installed capacity. Autumn brings slightly higher production at 6.37 kWh/day per kW, while winter maintains strong output at 6.32 kWh/day per kW. Spring emerges as the peak season for solar generation at Tenente Ananias, Rio Grande do Norte, delivering an impressive 7.45 kWh/day per kW of installed solar capacity. This makes spring the ideal time of year for maximum solar energy production at this location. For optimal year-round performance, solar panels should be installed at a fixed tilt angle of 6 degrees facing north. This relatively shallow angle maximizes total annual solar output by accounting for the location's proximity to the equator and the sun's path throughout the year.

Environmental and Weather Considerations

Several local factors could potentially impact solar energy production in Tenente Ananias and require careful consideration during installation planning. The 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. Additionally, high humidity levels common in tropical regions can lead to moisture-related issues if panels are not properly sealed and ventilated. Dust accumulation presents another significant concern, particularly during dry seasons when rainfall is insufficient to naturally clean panel surfaces. The semi-arid characteristics of northeastern Brazil mean that fine dust particles can settle on solar panels, creating a film that reduces light transmission and decreases energy output.

Preventative Measures for Optimal Performance

Several installation strategies can help mitigate these environmental challenges and ensure maximum energy production:
  • Install panels with adequate spacing and ventilation to prevent moisture buildup and allow proper air circulation
  • Use high-quality sealing materials and junction boxes rated for tropical climates to prevent water ingress
  • Implement regular cleaning schedules, particularly during dry seasons when dust accumulation is highest
  • Consider automated cleaning systems for larger installations to maintain optimal panel cleanliness
  • Choose panels with anti-reflective coatings that are more resistant to dust adhesion
The mounting system should be designed to withstand potential heavy rainfall and strong winds associated with tropical weather patterns. Proper drainage around the installation site prevents water pooling that could lead to foundation issues or electrical problems. Despite these considerations, the consistently high solar output throughout all seasons makes Tenente Ananias an exceptionally favorable location for solar energy projects, with proper installation and maintenance practices ensuring optimal 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 Tenente Ananias

Seasonal solar PV output for Latitude: -6.4725, Longitude: -38.1593 (Tenente Ananias, 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:

Summer
Average 6.25kWh/day in Summer.
Autumn
Average 6.37kWh/day in Autumn.
Winter
Average 6.32kWh/day in Winter.
Spring
Average 7.45kWh/day in Spring.

 

Ideally tilt fixed solar panels 6° North in Tenente Ananias, Brazil

To maximize your solar PV system's energy output in Tenente Ananias, Brazil (Lat/Long -6.4725, -38.1593) throughout the year, you should tilt your panels at an angle of 6° 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.

The sun
At Latitude: -6.4725, Longitude: -38.1593, the ideal angle to tilt panels is 6° North

Seasonally adjusted solar panel tilt angles for Tenente Ananias, 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 Tenente Ananias, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 6° North tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
9° South in Summer 12° North in Autumn 22° North in Winter 1° North in Spring

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Tenente Ananias, Brazil as follows: In Summer, set the angle of your panels to 9° facing South. In Autumn, tilt panels to 12° facing North for maximum generation. During Winter, adjust your solar panels to a 22° angle towards the North for optimal energy production. Lastly, in Spring, position your panels at a 1° angle facing North to capture the most solar energy in Tenente Ananias, Brazil.

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 Tenente Ananias, 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 Tenente Ananias, 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.






Please enter information above to calculate panel spacing.

Topography for solar PV around Tenente Ananias, Brazil

Topographical Features of Tenente Ananias Region

Tenente Ananias sits within the Caatinga biome of northeastern Brazil's Rio Grande do Norte state, characterized by a semi-arid landscape that forms part of the broader Brazilian Highlands plateau. The terrain around this municipality features gently rolling hills and broad, flat valleys that are typical of the region's ancient geological formations. Elevations in the area generally range from 200 to 400 meters above sea level, creating a moderately undulating topography without extreme elevation changes.

The landscape is dominated by weathered crystalline rock formations that have been shaped over millions of years by erosion and weathering processes. These geological features create a series of low ridges and shallow depressions that drain seasonally during the brief rainy periods. The soil composition consists primarily of shallow, rocky soils with patches of deeper alluvial deposits in the valley bottoms where temporary streams flow during wet seasons.

Vegetation in the region is sparse and consists mainly of thorny shrubs, cacti, and drought-resistant trees that are characteristic of the Caatinga ecosystem. This natural vegetation creates minimal shading concerns for solar installations, as the plant life rarely exceeds a few meters in height and tends to be widely spaced across the landscape.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for extensive solar photovoltaic installations would be the broad, relatively flat valley floors and gentle slopes that characterize much of the terrain surrounding Tenente Ananias. These areas offer several advantages for solar development, including stable ground conditions, minimal grading requirements, and excellent accessibility for construction and maintenance vehicles.

The elevated plateaus and mesa-like formations in the region provide particularly attractive sites for solar farms due to their flat surfaces and natural drainage characteristics. These higher elevations also benefit from consistent wind patterns that help keep solar panels cool and free from dust accumulation, which is important in this semi-arid environment.

Areas with gentle southern-facing slopes would be especially well-suited for solar installations, as they can be oriented to maximize sun exposure throughout the day. The relatively stable geological conditions, with bedrock close to the surface in many locations, provide excellent foundations for mounting systems and reduce concerns about ground settlement or instability.

The sparse population density and limited competing land uses in the region mean that large contiguous areas are available for development without significant conflicts with agricultural activities or residential areas. The existing road network, while basic, provides adequate access to most potential development sites, though some infrastructure improvements might be necessary for major installations.

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!

Citation Guide

Article Details for Citation

Article: Solar PV Analysis of Tenente Ananias, Brazil
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Thursday 31st of July 2025
Last Updated: Friday 8th of August 2025

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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.

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