Flag of United States

Flag of BrazilSolar PV Analysis of Bom Jesus Da Penha, Brazil

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Bom Jesus Da Penha, Brazil (by season)

Bom Jesus da Penha, Brazil presents a good location for year-round solar energy generation, with its tropical climate providing consistent sunlight throughout most of the year. Located at latitude -21.0015 and longitude -46.549, this area experiences the typical wet and dry seasonal patterns common to tropical regions rather than the traditional four-season temperature variations found in temperate climates.

Solar Energy Output Performance

The solar energy production at this location shows relatively strong performance across all seasons. Summer delivers the highest output at 6.36 kWh per day per kW of installed solar capacity, making it the peak generation period. Spring follows as the second-best season with 6.02 kWh per day per kW, while autumn produces 5.62 kWh per day per kW. Winter shows the lowest output at 5.05 kWh per day per kW, though this still represents decent solar generation potential. For optimal year-round energy production, solar panels should be installed at a fixed tilt angle of 20 degrees facing north. This angle maximizes total annual solar output by accounting for the sun's varying elevation throughout the year and the location's position in the southern hemisphere.

Environmental and Weather Challenges

Several local factors could potentially impact solar energy production at this Brazilian location. The tropical climate brings distinct wet and dry seasons, with the wet season likely coinciding with the lower winter production period. Heavy rainfall and increased cloud cover during wet months can significantly reduce solar irradiance and energy output. High humidity levels, common in tropical regions, can lead to moisture-related issues with solar equipment. Dust accumulation during dry periods may also reduce panel efficiency, while the combination of heat and humidity can stress electrical components and reduce their lifespan.

Preventative Installation Measures

To maximize energy production despite these challenges, several installation strategies prove beneficial:
  • Install panels with adequate spacing and ventilation to prevent overheating and allow air circulation
  • Use high-quality weatherproof mounting systems and electrical enclosures rated for tropical conditions
  • Implement regular cleaning schedules to remove dust, debris, and organic growth from panel surfaces
  • Choose solar panels and inverters specifically designed for high-humidity, high-temperature environments
  • Install proper drainage systems to prevent water accumulation around equipment
Regular maintenance becomes particularly important in this climate, with more frequent inspections needed during and after the wet season to ensure optimal performance and identify any weather-related damage early.

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 Bom Jesus Da Penha

Seasonal solar PV output for Latitude: -21.0015, Longitude: -46.549 (Bom Jesus Da Penha, 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 6.36kWh/day in Summer.
Autumn
Average 5.62kWh/day in Autumn.
Winter
Average 5.05kWh/day in Winter.
Spring
Average 6.02kWh/day in Spring.

 

Ideally tilt fixed solar panels 20° North in Bom Jesus Da Penha, Brazil

To maximize your solar PV system's energy output in Bom Jesus Da Penha, Brazil (Lat/Long -21.0015, -46.549) throughout the year, you should tilt your panels at an angle of 20° 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: -21.0015, Longitude: -46.549, the ideal angle to tilt panels is 20° North

Seasonally adjusted solar panel tilt angles for Bom Jesus Da Penha, 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 Bom Jesus Da Penha, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 20° North tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
5° North in Summer 27° North in Autumn 36° North in Winter 15° 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 Bom Jesus Da Penha, Brazil as follows: In Summer, set the angle of your panels to 5° facing North. In Autumn, tilt panels to 27° facing North for maximum generation. During Winter, adjust your solar panels to a 36° angle towards the North for optimal energy production. Lastly, in Spring, position your panels at a 15° angle facing North to capture the most solar energy in Bom Jesus Da Penha, 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 Bom Jesus Da Penha, 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 Bom Jesus Da Penha, 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 Bom Jesus Da Penha, Brazil

Topographical Features of Bom Jesus da Penha

Bom Jesus da Penha sits within the southeastern highlands of Brazil, positioned in the state of Minas Gerais at an elevation of approximately 900 meters above sea level. The surrounding landscape is characterized by rolling hills and gentle valleys typical of the Brazilian Highlands, with terrain that gradually undulates rather than presenting steep mountainous barriers. This region forms part of the ancient geological formation known as the Brazilian Shield, which has been weathered over millions of years into relatively stable, rounded topographical features.

The immediate area around Bom Jesus da Penha displays a mixed terrain of moderate slopes interspersed with flatter plateaus and broad valley floors. The local topography includes numerous small streams and tributaries that have carved shallow valleys through the landscape, creating a network of gentle depressions and ridgelines. The soil composition consists primarily of weathered crystalline rocks, with areas of exposed granite and gneiss formations contributing to the underlying geological stability of the region.

Climate and Vegetation Patterns

The elevation and geographical position of Bom Jesus da Penha place it within a tropical highland climate zone, where temperatures remain moderate throughout the year due to the altitude. The natural vegetation transitions between cerrado savanna and Atlantic Forest remnants, with open grasslands and scattered tree coverage dominating much of the surrounding countryside. This vegetation pattern reflects both the climate conditions and historical land use patterns in the region.

Seasonal rainfall patterns influence the landscape appearance, with the wet season bringing lush green growth to the grasslands and the dry season revealing more of the underlying topographical structure. The combination of moderate elevation, stable weather patterns, and relatively clear skies during dry periods creates favorable conditions for solar energy generation throughout much of the year.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for extensive solar photovoltaic installations around Bom Jesus da Penha would be the flatter plateau areas and gentle south-facing slopes that characterize much of the regional landscape. These areas offer several advantages including minimal grading requirements, reduced installation costs, and optimal solar exposure angles. The broad valley floors, particularly those oriented in east-west directions, provide extensive flat terrain that would accommodate large solar arrays with minimal topographical constraints.

Areas located on the higher elevation plateaus surrounding the town present particularly attractive opportunities for solar development. These elevated flat areas benefit from consistent wind patterns that help cool solar panels and maintain efficiency, while their position above surrounding valleys reduces potential shading issues from nearby topographical features. The stable geological foundation provided by the ancient crystalline bedrock ensures reliable support for large-scale solar mounting systems.

The gently rolling hills to the south and southeast of Bom Jesus da Penha offer additional suitable terrain, where south-facing slopes with gradients between 5 and 15 degrees would provide excellent solar exposure while remaining manageable for construction and maintenance activities. These areas typically feature good drainage characteristics and are often already cleared of dense vegetation, reducing environmental impact and development costs.

Former agricultural lands and pastures in the broader valley systems represent prime candidates for solar development, as they combine flat or gently sloping terrain with existing road access and electrical infrastructure connections. The transition zones between the cerrado and forest areas often contain large clearings that would require minimal additional land preparation while providing excellent solar access throughout the day.

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 Bom Jesus Da Penha, Brazil
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Saturday 9th of August 2025
Last Updated: Saturday 9th of August 2025

Tell Us About Your Work

We love seeing how our research helps others! If you've cited this article in your work, we'd be delighted to hear about it. Drop us a line via our Contact Us page or on X, to share where you've used our information - we may feature a link to your work on our site. This helps create a network of valuable resources for others in the solar energy community and helps us understand how our research is contributing to the field. Plus, we occasionally highlight exceptional works that reference our research on our social media channels.

Feeling generous?

"Assim como o sol abastece os painéis solares, o café é nosso combustível pra mandar ver na pesquisa e desenvolvimento." 😊
Buy me a coffee - Thanks for your support!

Share this with your friends!



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.

Worldwide Solar PV Analysis of 20,000 Locations

Helping you assess viability of solar PV for your site

profileSOLAR on YouTube

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.

Calculate Your Optimal Solar Panel Tilt Angle