Tapira, Minas Gerais, Brazil presents a highly favorable location for year-round solar photovoltaic energy generation. Located in the tropical region at coordinates -19.9337, -46.918, this area benefits from consistent sunlight throughout most of the year, with seasonal variations typically characterized by wet and dry periods rather than dramatic temperature changes.

Solar Energy Production Performance

The solar energy output data for Tapira demonstrates excellent year-round potential for solar power generation. Summer months deliver the highest production at 6.21 kWh per day per kW of installed solar capacity, closely followed by spring at 6.12 kWh per day per kW. Even during the lower-production winter months, the location still generates a respectable 5.38 kWh per day per kW, while autumn produces 5.83 kWh per day per kW. The relatively small variation between seasons—with only about a 15% difference between the highest and lowest production periods—makes this location exceptionally reliable for consistent solar energy generation throughout the year. This stability is particularly valuable for both residential and commercial solar installations.

Optimal Installation Configuration

For fixed panel installations at this Tapira location, the ideal angle to tilt solar panels to maximize total year-round production is 19 degrees North. This optimal tilt angle is calculated by analyzing daily solar elevation angles at this specific latitude, determining daily optimal panel positioning, and weighting these angles according to daily photovoltaic potential using solar irradiance data while accounting for Earth's elliptical orbit.

Environmental and Weather Factors

Several environmental and weather factors could potentially impact solar production efficiency at this tropical location:

• Heavy rainfall and storms: The wet season can bring intense rainfall that may temporarily reduce solar output and potentially damage equipment if not properly protected
• High humidity levels: Tropical humidity can lead to moisture-related issues with electrical components and may cause corrosion over time
• Dust and debris accumulation: During dry periods, dust buildup on panels can significantly reduce energy production efficiency
• Vegetation growth: The tropical climate promotes rapid plant growth that could create shading issues if not properly managed

Preventative Measures for Optimal Performance

To ensure maximum energy production and system longevity in Tapira's tropical environment, several preventative measures should be implemented during installation:

• Weatherproofing and drainage: Install robust weatherproof enclosures for electrical components and ensure proper drainage systems to handle heavy rainfall
• Corrosion-resistant materials: Use marine-grade or tropical-rated mounting hardware and electrical components designed to withstand high humidity conditions
• Regular cleaning schedule: Establish a maintenance routine for panel cleaning to remove dust, debris, and any organic matter that may accumulate
• Strategic placement: Position panels away from areas where vegetation could create future shading problems and maintain clear sight lines to the sun's path
• Elevated mounting: Install panels with adequate clearance above roof surfaces to promote air circulation and prevent moisture retention

Despite these considerations, Tapira's consistent solar resource and favorable production numbers throughout all seasons make it an excellent location for solar PV installations when proper planning and maintenance practices are implemented.

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 Tapira

Seasonal solar PV output for Latitude: -19.9337, Longitude: -46.918 (Tapira, 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 19° North in Tapira, Brazil

To maximize your solar PV system's energy output in Tapira, Brazil (Lat/Long -19.9337, -46.918) throughout the year, you should tilt your panels at an angle of 19° 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 Tapira, 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 Tapira, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 19° 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	26° North in Autumn	36° North in Winter	14° 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 Tapira, 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 Tapira, 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 Tapira, Brazil

Topographical Features of Tapira Region

Tapira sits in the western portion of Minas Gerais state, positioned within Brazil's expansive Central Plateau region. The landscape around this municipality is characterized by gently rolling hills and elevated plains that form part of the Brazilian Highlands. The terrain generally maintains elevations between 800 and 1,200 meters above sea level, creating a moderately elevated environment typical of the Cerrado biome.

The topography displays a mix of undulating plateaus interspersed with shallow valleys and gentle slopes. These features result from ancient geological processes that shaped much of central Brazil's interior landscape. The area lacks dramatic mountain ranges or steep escarpments, instead presenting a relatively subdued relief pattern that transitions gradually across the region.

Local drainage patterns flow toward the Araguari River system, with numerous small streams and seasonal watercourses cutting modest channels through the landscape. The watershed characteristics contribute to the formation of broad, gently sloping interfluves between drainage lines, creating extensive areas of relatively flat to gently rolling terrain.

Soil and Surface Conditions

The region's surface geology consists primarily of weathered crystalline rocks and sedimentary formations that have produced deep, well-drained soils typical of the Brazilian Central Plateau. These lateritic soils, while often nutrient-poor for intensive agriculture, provide stable foundations for infrastructure development. The generally good drainage characteristics mean that waterlogging issues are uncommon across most of the area.

Vegetation coverage varies between natural Cerrado savanna and converted pasturelands, with scattered gallery forests along watercourses. Much of the original vegetation has been modified through cattle ranching activities, resulting in extensive areas of improved pasture grasses across the gently rolling landscape.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for extensive solar photovoltaic installations would be the broad, gently sloping plateaus that extend northeast and southeast of Tapira's urban center. These elevated interfluves offer several advantages including minimal slope gradients, excellent drainage, and reduced conflict with existing agricultural activities concentrated in valley bottoms.

Particularly promising areas include the elevated plains extending toward the municipalities of Araxá to the northeast and Ibiá to the east. These zones feature extensive stretches of relatively uniform topography with gentle south-facing slopes that would be ideal for solar panel orientation. The consistent elevation and minimal relief variation would simplify installation logistics and reduce infrastructure costs.

The plateau areas southwest of Tapira, extending toward Sacramento, also present excellent potential for solar development. These locations combine favorable topographical conditions with proximity to existing transmission infrastructure along major transportation corridors. The stable geological conditions and well-drained soils would minimize foundation challenges while the open landscape provides abundant space for large-scale installations.

Areas immediately adjacent to existing road networks, particularly along the BR-262 corridor, would offer additional logistical advantages for construction and maintenance access. The combination of suitable topography, stable soils, and infrastructure proximity makes these elevated plateau zones the most practical choices for significant solar energy development in the Tapira region.

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.