Baixo Guandu, Espírito Santo, Brazil presents a favorable location for year-round solar energy generation, with its tropical climate providing consistent sunlight throughout most of the year. The seasonal energy output data shows this location can produce between 4.39 and 5.93 kWh per day per kW of installed solar capacity.
Seasonal Solar Performance
Summer delivers the highest solar energy production at 5.93 kWh/day per kW, making it the peak season for solar generation. Spring follows as the second-best performing season with 5.19 kWh/day per kW, while autumn produces 5.50 kWh/day per kW. Winter shows the lowest output at 4.39 kWh/day per kW, though this still represents decent solar production compared to many temperate locations. The optimal months for solar generation at Baixo Guandu are during the summer period, when the sun's angle and intensity combine to maximize energy output. However, the relatively strong performance across all seasons makes this location well-suited for consistent year-round solar energy production.Optimal Panel Installation
For maximum year-round solar production at this location, fixed solar panels should be tilted at 18 degrees facing north. This angle has been calculated to optimize total annual energy output by accounting for the sun's varying position throughout the year and weighting for daily solar potential.Environmental and Weather Factors
Several local factors could potentially impact solar energy production in Baixo Guandu and require consideration during installation planning. The tropical climate typically brings distinct wet and dry seasons, with the wet season potentially reducing solar output due to increased cloud cover and frequent rainfall. During heavy rain periods, water accumulation and reduced sunlight penetration can temporarily decrease energy generation. High humidity levels common in tropical regions can lead to moisture-related issues with solar equipment if not properly addressed. Additionally, the warm climate may cause thermal stress on solar panels, potentially reducing their efficiency during the hottest periods.Preventative Measures for Optimal Performance
To maximize solar energy production despite these challenges, several installation strategies should be implemented:- Install panels with adequate ventilation spacing underneath to prevent overheating and maintain optimal operating temperatures
- Use high-quality weatherproof mounting systems and electrical components rated for tropical conditions
- Ensure proper drainage around installation areas to prevent water pooling
- Select solar panels with anti-reflective coatings and self-cleaning surfaces to minimize the impact of dust and debris accumulation
- Implement regular maintenance schedules for cleaning panels, especially after heavy rain or dust storms
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 Baixo Guandu
Seasonal solar PV output for Latitude: -19.5257, Longitude: -40.9607 (Baixo Guandu, 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 18° North in Baixo Guandu, Brazil
To maximize your solar PV system's energy output in Baixo Guandu, Brazil (Lat/Long -19.5257, -40.9607) throughout the year, you should tilt your panels at an angle of 18° 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 Baixo Guandu, 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 Baixo Guandu, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 18° North tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 4° North in Summer | 25° North in Autumn | 35° North in Winter | 13° 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 Baixo Guandu, 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 Baixo Guandu, Brazil.
Our calculation method
- Solar Position:
We determine the Sun's position on the Winter solstice using the location's latitude and solar declination. - Shadow Projection:
We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle. - 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 Baixo Guandu, Brazil
Topographical Features of Baixo Guandu
Baixo Guandu sits in the eastern region of Espírito Santo state, positioned along the Doce River valley in Brazil's Atlantic coastal zone. The terrain around this municipality exhibits the characteristic rolling hills and river valley formations typical of the Brazilian Atlantic Forest region. The landscape transitions from the flatter alluvial plains near the Doce River to increasingly undulating terrain as elevation rises toward the surrounding highlands. The Doce River serves as a major geographical feature, flowing through the region from west to east before eventually reaching the Atlantic Ocean. This river system has carved out a relatively broad valley floor, creating areas of gentler topography interspersed with steeper slopes leading up to the surrounding ridgelines. The elevation changes gradually across the region, with the lowest points found along the river corridor and higher elevations extending into the foothills of the larger mountain systems that characterize much of southeastern Brazil.Regional Terrain Characteristics
The broader landscape around Baixo Guandu features a mix of agricultural lands, remnant forest areas, and developed zones. Much of the original Atlantic Forest vegetation has been cleared over the centuries, leaving a mosaic of pastureland, crop cultivation, and secondary forest growth. The terrain includes numerous small streams and tributaries that feed into the Doce River system, creating a network of minor valleys and drainage channels throughout the area. Rolling hills dominate the scenery, with slopes that vary from gentle to moderately steep depending on proximity to the main river valley. The soil composition reflects both the underlying geological formations and the depositional history of the Doce River system, with alluvial soils in the lower areas and more weathered soils on the hillslopes.Optimal Areas for Large-Scale Solar Development
The most suitable locations for extensive solar photovoltaic installations would be found on the broader, flatter areas of the river valley floor and the gentler slopes of the surrounding hills. These areas offer several advantages including reduced construction and maintenance costs due to easier access and less complex terrain preparation requirements. The agricultural lands on relatively level ground present excellent opportunities for solar development, particularly areas currently used for pasture or less intensive farming operations. These locations typically have fewer obstacles such as large trees or significant elevation changes that could create shading issues or complicate panel installation. Moderately sloped hillsides with southern exposure would also prove favorable for solar installations, as the natural angle of the terrain can complement optimal panel positioning. Areas with good road access and proximity to existing electrical infrastructure would be particularly advantageous for large-scale projects. The flatter terraces and benches found throughout the river valley system represent ideal candidates for solar farms, as these areas often combine adequate space with relatively stable ground conditions. Former agricultural areas that have been converted from crop production to other uses may offer especially suitable sites, as they typically have established access routes and cleared land ready for development.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
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Sunday 6th of July 2025
Last Updated: Wednesday 6th 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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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.




