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Flag of BrazilSolar PV Analysis of Soledade, Paraíba, Brazil

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

Soledade, Brazil presents excellent conditions for year-round solar energy generation. Located in the tropical region at coordinates -7.1124, -36.3648, this area benefits from consistent sunlight throughout most of the year, with seasons typically defined by wet and dry periods rather than significant temperature variations.

Solar Energy Production Potential

The solar energy output data for Soledade demonstrates strong performance across all seasons. Spring emerges as the most productive period, generating 7.35 kWh per day for each kilowatt of installed solar capacity. Summer follows closely with 6.61 kWh/day, while autumn produces 6.03 kWh/day. Even during the least productive season of winter, the location still generates a respectable 5.43 kWh/day per kilowatt installed. This seasonal variation shows that Soledade experiences relatively minor fluctuations in solar production compared to locations at higher latitudes. The difference between the best and worst performing seasons is only 1.92 kWh/day per kilowatt, indicating reliable energy generation throughout the year.

Optimal Panel Configuration

For maximum year-round solar production in Soledade, fixed solar panels should be tilted at 6 degrees toward the north. This relatively shallow angle reflects the location's proximity to the equator, where the sun travels high overhead throughout most of the year.

Environmental and Weather Considerations

Several local factors could potentially impact solar energy production in Soledade, though most can be effectively managed with proper planning and installation techniques. Seasonal Rainfall Patterns The tropical climate brings distinct wet and dry seasons, with the wet season potentially reducing solar output due to increased cloud cover and atmospheric moisture. Heavy rainfall can also create temporary shading and reduce panel efficiency during storm periods. Dust and Particulate Accumulation During dry seasons, dust accumulation on solar panels can significantly reduce their efficiency. The semi-arid characteristics common in parts of northeastern Brazil mean that fine particles can settle on panel surfaces, creating a barrier that blocks sunlight from reaching the photovoltaic cells. High Humidity and Temperature Tropical conditions often involve high humidity levels, which can affect electrical components over time. Additionally, while solar panels actually perform better in cooler temperatures, the consistently warm climate may lead to slightly reduced efficiency compared to the same panels in more temperate locations.

Preventative Measures for Optimal Performance

Several installation strategies can help maximize solar energy production despite these environmental challenges:
  • Regular cleaning schedules: Implementing routine panel cleaning, especially during and after dry seasons, helps maintain optimal light transmission
  • Proper ventilation design: Installing panels with adequate air circulation underneath helps reduce operating temperatures and prevents moisture buildup
  • Quality mounting systems: Using corrosion-resistant materials designed for tropical climates ensures long-term structural integrity
  • Strategic positioning: Avoiding areas prone to excessive dust exposure or temporary shading from vegetation growth

Overall Assessment

Despite these considerations, Soledade represents a highly favorable location for solar energy generation. The consistent year-round production levels, combined with peak performance during spring months, make it an ideal candidate for solar installations. The environmental challenges are manageable with proper system design and maintenance practices, allowing property owners and businesses to take full advantage of the region's abundant solar resources. The relatively small seasonal variation in energy output also provides predictable energy generation, making it easier to plan for energy needs and calculate return on investment for solar installations.

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 Soledade, Paraíba

Seasonal solar PV output for Latitude: -7.1124, Longitude: -36.3648 (Soledade, Paraíba, 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 6.61kWh/day in Summer.
Autumn
Average 6.03kWh/day in Autumn.
Winter
Average 5.43kWh/day in Winter.
Spring
Average 7.35kWh/day in Spring.

 

Ideally tilt fixed solar panels 6° North in Soledade, Paraíba, Brazil

To maximize your solar PV system's energy output in Soledade, Paraíba, Brazil (Lat/Long -7.1124, -36.3648) 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: -7.1124, Longitude: -36.3648, the ideal angle to tilt panels is 6° North

Seasonally adjusted solar panel tilt angles for Soledade, Paraíba, 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 Soledade, Paraíba, 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 13° North in Autumn 23° 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 Soledade, Paraíba, Brazil as follows: In Summer, set the angle of your panels to 9° facing South. In Autumn, tilt panels to 13° facing North for maximum generation. During Winter, adjust your solar panels to a 23° 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 Soledade, Paraíba, 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 Soledade, Paraíba, 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 Soledade, Paraíba, 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 Soledade, Paraíba, Brazil

Topographical Features of Soledade

Soledade sits within the Borborema Plateau region of northeastern Brazil, characterized by gently rolling hills and moderate elevation changes. The landscape around this municipality in Paraíba state features a mix of low ridges, shallow valleys, and relatively flat expanses that are typical of the Brazilian caatinga region. Elevations in the immediate vicinity generally range from approximately 400 to 600 meters above sea level, with the terrain displaying a gradual undulating pattern rather than steep mountainous features. The region exhibits the classic semi-arid topography of the interior northeast, where ancient geological formations have been weathered over millions of years into rounded hills and broad plateaus. Rocky outcrops of crystalline basement rocks occasionally punctuate the landscape, but these are generally not extensive enough to significantly impact large-scale development projects. The drainage patterns consist of seasonal streams and dry creek beds that flow during the rainy season, creating shallow depressions across the terrain.

Soil and Surface Conditions

The surface geology consists primarily of weathered crystalline rocks overlain by relatively thin soils typical of semi-arid environments. These soils tend to be well-drained and stable, with minimal issues related to subsidence or shifting ground conditions. The vegetation is predominantly caatinga scrubland, characterized by drought-resistant shrubs, cacti, and small trees that are adapted to the region's dry climate patterns. Rock exposure is moderate throughout the area, with occasional granite and gneiss formations visible at the surface. However, these geological features are generally not prohibitive for construction activities and can often be incorporated into development planning. The overall terrain stability is good, with minimal seismic activity and low risk of landslides or other geological hazards.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for extensive solar photovoltaic installations would be the flatter plateau areas that extend to the east and southeast of Soledade's urban center. These regions offer the most favorable combination of level terrain, minimal vegetation clearing requirements, and good accessibility for construction and maintenance activities. The gentle slopes in these areas, typically less than five percent grade, would require minimal grading work while still providing adequate drainage. Areas with southern and southeastern exposures on the broader plateau surfaces would be particularly advantageous, as they offer consistent terrain conditions across large contiguous parcels. The relatively sparse population density in these directions also means fewer conflicts with existing land uses and potentially lower land acquisition costs. The northwestern areas, while also topographically suitable, tend to have slightly more varied terrain with occasional rocky outcrops that could complicate large-scale installations. However, these regions could still accommodate solar developments with appropriate site planning and design modifications.

Infrastructure and Access Considerations

The topography around Soledade generally supports good road access, with the existing highway network following natural ridgelines and valley floors. The moderate elevation changes mean that new access roads for solar installations would not require extensive cut-and-fill operations or complex engineering solutions. The stable soil conditions and well-drained terrain also favor the construction of access infrastructure and transmission line connections. The relatively flat areas identified as most suitable for solar development are typically within reasonable proximity to existing electrical infrastructure, which follows similar topographical preferences. This alignment between optimal solar sites and existing utility corridors would facilitate grid connection and reduce overall project development costs.

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 Soledade, Paraíba, Brazil
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Saturday 26th of July 2025
Last Updated: Thursday 7th of August 2025

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Compare this location to others worldwide for solar PV potential

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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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