Campestre, Minas Gerais, Brazil presents a favorable location for year-round solar PV energy generation, with the tropical climate providing consistent sunlight throughout most of the year. The seasonal energy output demonstrates strong performance across all seasons, ranging from 5.05 kWh/day per kW of installed solar capacity in winter to 6.36 kWh/day in summer.

Seasonal Solar Performance

The location shows excellent solar generation potential with summer delivering the highest output at 6.36 kWh/day per kW, followed by spring at 6.02 kWh/day per kW. Even during the lower-performing seasons, autumn still produces 5.62 kWh/day per kW, while winter maintains a respectable 5.05 kWh/day per kW. This relatively small seasonal variation makes Campestre an attractive location for consistent solar energy production throughout the year. Summer and spring represent the ideal times for solar generation at this location, with summer being the peak season. However, the consistent performance across all seasons means that solar installations can provide reliable energy production year-round without dramatic seasonal drops in output.

Optimal Panel Installation

For a fixed panel installation at Campestre, Minas Gerais, the ideal angle to tilt panels to maximize total year-round production from solar PV is 21 degrees North. This angle is calculated by finding daily solar elevation angles at the latitude, determining daily optimal panel tilt, and weighting these angles by daily PV potential using solar irradiance data, accounting for Earth's elliptical orbit.

Environmental and Weather Considerations

Several environmental and weather factors could potentially impact solar production at this location and should be considered during installation planning. The tropical climate brings distinct wet and dry seasons, with the wet season potentially reducing solar output due to increased cloud cover and frequent rainfall. Heavy rains during wet periods can also create challenges for panel maintenance and cleaning schedules. High humidity levels common in tropical regions can accelerate corrosion of electrical components and mounting hardware if not properly protected. The combination of heat and humidity may also affect the efficiency of solar panels and inverters over time. Dust and debris accumulation during dry seasons can significantly reduce panel efficiency, while organic growth such as algae, moss, or bird droppings may be more prevalent in the humid tropical environment.

Preventative Measures for Enhanced Production

Several preventative measures can help ensure optimal energy production despite these environmental challenges:

• Install panels with appropriate drainage systems and ensure proper mounting angles to prevent water pooling during heavy rains
• Use marine-grade or tropical-rated electrical components and mounting hardware designed to withstand high humidity and potential corrosion
• Implement regular cleaning schedules, particularly during dry seasons when dust accumulation is highest
• Consider installing micro-inverters or power optimizers to minimize the impact of partial shading from debris or organic growth
• Ensure adequate ventilation around panels and electrical components to manage heat buildup in the tropical climate

By addressing these environmental factors through proper equipment selection and maintenance practices, solar installations at Campestre can achieve their full energy production potential while maintaining long-term reliability in the tropical climate.

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 Campestre

Seasonal solar PV output for Latitude: -21.7316, Longitude: -46.2282 (Campestre, 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 21° North in Campestre, Brazil

To maximize your solar PV system's energy output in Campestre, Brazil (Lat/Long -21.7316, -46.2282) throughout the year, you should tilt your panels at an angle of 21° 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 Campestre, 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 Campestre, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 21° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
6° North in Summer	27° North in Autumn	37° North in Winter	15° 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 Campestre, 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 Campestre, 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 Campestre, Brazil

Topographical Features of the Campestre Region

The area around Campestre in Brazil sits within the southeastern region of Minas Gerais state, characterized by rolling hills and elevated terrain typical of the Brazilian Highlands. This location experiences a moderately mountainous landscape with elevations ranging from approximately 800 to 1,200 meters above sea level. The topography consists of gentle to moderate slopes interspersed with flatter plateau areas, creating a varied terrain that includes both valleys and ridgelines. The regional landscape is part of the Serra da Mantiqueira mountain system, which extends across southeastern Brazil. While not featuring extreme elevations, the area presents a series of undulating hills and broader valley floors that create natural drainage patterns flowing toward larger river systems. The terrain generally slopes in a northwesterly direction, following the broader geological structure of the region. Vegetation in the area transitions between Atlantic Forest remnants on steeper slopes and more open grassland areas on the higher plateaus and gentler terrain. The climate supports both natural forest regeneration in protected areas and agricultural activities across much of the landscape, indicating relatively fertile soils and adequate precipitation patterns.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for extensive solar photovoltaic installations would be the flatter plateau areas and gentle slopes with southern and southeastern exposures. These areas provide the necessary combination of relatively level terrain, reduced shading from topographical features, and optimal solar orientation for maximum energy capture throughout the day. The broader valley floors present excellent opportunities for large-scale solar development due to their naturally level terrain and reduced construction costs compared to sloped areas. These locations typically require minimal grading and earthwork, making them economically attractive for utility-scale installations. The valley areas also tend to have fewer trees and obstacles that might create shading issues. Elevated plateau regions with gentle gradients offer another prime category for solar development. These areas benefit from consistent exposure to solar radiation without significant obstruction from surrounding hills or mountains. The higher elevation can also provide advantages in terms of cooler operating temperatures for solar panels, which can improve their efficiency. Areas to avoid would include the steeper hillsides and narrow valleys where terrain modification would be costly and where shading from adjacent ridgelines might reduce solar exposure during parts of the day. Forested areas, particularly those with remnant Atlantic Forest vegetation, would also be less suitable both from environmental protection standpoints and due to the costs associated with land clearing and potential regulatory restrictions. The overall topographical characteristics of the Campestre region provide numerous suitable sites for solar development, with the key being to select areas that balance terrain suitability, solar exposure, and accessibility for construction and maintenance activities.

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

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?

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.

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.