Solar Energy Potential in Machado, Minas Gerais, Brazil

Machado, Minas Gerais, Brazil offers promising conditions for solar energy generation throughout the year. Located in the tropical region where sunlight remains relatively consistent across seasons, this specific location shows good potential for photovoltaic (PV) energy production with some seasonal variation. The solar energy output in Machado follows a predictable pattern throughout the year, with the highest production occurring during summer months. For each kilowatt of installed solar capacity, the location produces 6.51 kWh per day during summer, which represents the peak production period. Spring follows as the second most productive season with 5.96 kWh daily output, while autumn generates 5.69 kWh per day. Winter shows the lowest production at 5.07 kWh daily, though this still represents reasonable output compared to many other locations worldwide.

Optimal Panel Installation

For fixed solar panel installations in Machado, Minas Gerais, the ideal tilt angle to maximize year-round energy production is 20 degrees facing North. This specific angle has been calculated taking into account the location's latitude, the Earth's elliptical orbit, and the weighted solar potential throughout the year. This orientation allows panels to capture the maximum possible sunlight across all seasons, optimizing the annual energy yield.

Environmental and Weather Considerations

Several environmental factors could potentially impact solar production in Machado:

• Seasonal rainfall patterns may reduce solar output during the wet season due to increased cloud cover
• Dust and pollen accumulation on panels, particularly during dry seasons
• Potential shading from rapid vegetation growth typical in tropical regions

To mitigate these challenges, solar installations in Machado should incorporate regular cleaning protocols to remove dust and debris. Self-cleaning panel systems or scheduled maintenance can be particularly effective. Additionally, careful site selection to avoid areas prone to shading from trees or structures is essential. Installing panels with sufficient elevation and appropriate spacing can minimize vegetation interference, while implementing quality inverters with shade tolerance technology can help maintain production even when partial shading occurs. The relatively small seasonal variation in output suggests that Machado provides favorable conditions for solar energy throughout the year, making it a viable location for PV installations with proper planning and maintenance.

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 Machado

Seasonal solar PV output for Latitude: -21.6933, Longitude: -45.887 (Machado, 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 20° North in Machado, Brazil

To maximize your solar PV system's energy output in Machado, Brazil (Lat/Long -21.6933, -45.887) 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.

Seasonally adjusted solar panel tilt angles for Machado, 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 Machado, 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
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 Machado, 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 Machado, 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 Machado, Brazil

The topography surrounding Machado, Brazil presents a varied landscape characteristic of the southern Minas Gerais region. Located at approximately 21.69° South latitude and 45.89° West longitude, Machado sits within the highlands of the Atlantic Plateau. The terrain in this area is predominantly characterized by rolling hills and undulating landscapes, with elevations generally ranging between 800 and 1,200 meters above sea level. The region exhibits what geographers often describe as "half-orange" topography (meia laranja in Portuguese) - a term referring to the rounded hilltops and gentle slopes that dominate the landscape. These hills are interspersed with shallow valleys where small rivers and streams have carved their paths over millennia. The Sapucaí River and its tributaries form an important watershed in the area, influencing both the topography and agricultural potential of the surrounding lands.

Soil and Vegetation Characteristics

The soils around Machado are predominantly latosols (oxisols), which are deeply weathered, iron-rich soils typical of tropical regions. These soils have developed over ancient crystalline bedrock formations that underlie much of southeastern Brazil. The natural vegetation of the region would historically have been a transition zone between the Atlantic Forest and cerrado (savanna) biomes, though much of this has been modified for agricultural use, particularly coffee cultivation, for which Machado is well known.

Potential for Solar PV Development

When considering areas near Machado suitable for large-scale solar photovoltaic installations, several topographical factors become important. The gently sloping hillsides with northern exposure (in the Southern Hemisphere, north-facing slopes receive more direct sunlight) present particularly favorable conditions for solar energy capture. These areas combine good solar radiation reception with minimal shadowing effects. The higher elevation plateaus around Machado, particularly those with minimal tree cover, would be especially suitable for solar PV development. These elevated areas typically experience less atmospheric interference and thus receive more consistent solar radiation. Additionally, the relatively stable soil conditions of the weathered latosols provide a good foundation for solar infrastructure with proper engineering. Areas to avoid would include the steeper slopes, which would require excessive grading and present erosion concerns, as well as the valley bottoms, which may be subject to morning fog or increased humidity that could reduce solar efficiency. Similarly, locations near water bodies might experience more frequent cloud formation, potentially reducing solar exposure.

Infrastructure Considerations

The existing road network around Machado provides reasonable access to many potential solar development sites. The proximity to established electrical infrastructure, including transmission lines connecting to Brazil's national grid, represents another advantage for potential solar development in the region. The municipality's location within Minas Gerais state, which has been actively promoting renewable energy development, further enhances the area's potential for solar PV implementation. The combination of favorable topography, adequate infrastructure, and supportive regional policies makes several areas around Machado potentially suitable for large-scale solar PV development, with the gently sloping northern-facing hillsides and higher plateaus offering the most promising conditions from a purely topographical perspective.

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.