Solar Energy Potential in Tarumirim, Minas Gerais, Brazil

Tarumirim, Minas Gerais, Brazil offers a promising location for solar energy generation, with consistent sunlight throughout most of the year typical of its tropical climate. Located at latitude -19.3027 and longitude -41.9165, this region experiences weather patterns characterized more by wet and dry seasons than the traditional four seasons experienced in temperate climates.

Seasonal Solar Production

The solar energy potential in Tarumirim varies throughout the year, with the highest production occurring during summer months. Per kilowatt of installed solar capacity, the location produces:

• 6.11 kWh/day during Summer
• 5.57 kWh/day during Autumn
• 4.44 kWh/day during Winter
• 5.19 kWh/day during Spring

This seasonal variation shows that while winter months experience a noticeable dip in production, the overall consistency remains relatively good compared to locations at higher latitudes. The summer-to-winter difference of approximately 1.67 kWh/day per kW installed represents about a 27% seasonal fluctuation, which is moderate and manageable for planning purposes.

Optimal Panel Installation

For fixed panel installations in Tarumirim, Minas Gerais, the ideal tilt angle to maximize year-round solar production is 18 degrees facing North. This specific angle has been calculated based on the site's latitude and accounts for the Earth's elliptical orbit and seasonal solar elevation changes to optimize annual energy harvest.

Environmental and Weather Considerations

Several factors could potentially impact solar production in Tarumirim: The region's tropical location means it likely experiences a pronounced wet season with heavy rainfall and increased cloud cover, which can temporarily reduce solar output during these periods. Installing slightly larger systems than minimum requirements can help compensate for reduced production during extended cloudy periods. Dust accumulation may be significant during dry seasons, particularly if the area experiences drought conditions. Implementing regular cleaning schedules or installing automated cleaning systems can mitigate this issue. Additionally, installing panels at the recommended 18-degree tilt helps with natural cleaning during rainfall events. High temperatures in tropical regions can reduce solar panel efficiency. Ensuring adequate airflow beneath panels through proper mounting techniques can help mitigate temperature-related efficiency losses. Selecting panels with lower temperature coefficients would be advantageous for this location.

Conclusion

Tarumirim presents a favorable location for solar PV installation with good year-round production potential. While seasonal variations exist, they are less pronounced than in non-tropical regions, making solar a reliable energy source throughout the year. With proper system design accounting for local environmental factors, solar energy systems in this location can provide consistent and substantial electricity generation.

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 Tarumirim

Seasonal solar PV output for Latitude: -19.3027, Longitude: -41.9165 (Tarumirim, 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 Tarumirim, Brazil

To maximize your solar PV system's energy output in Tarumirim, Brazil (Lat/Long -19.3027, -41.9165) 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 Tarumirim, 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 Tarumirim, 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
3° 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 Tarumirim, 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 Tarumirim, 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 Tarumirim, Brazil

Topography of Tarumirim and Surrounding Areas

Tarumirim is located in the eastern part of Minas Gerais state in Brazil, nestled within a region characterized by varied topographical features. The landscape around Tarumirim consists of rolling hills, valleys, and scattered mountains that are part of the broader Atlantic Plateau region. The terrain generally ranges from moderately hilly to mountainous, with elevations varying between approximately 200 to 800 meters above sea level. The area sits within the Rio Doce river basin, with the Doce River itself flowing not far from the municipality. This river system has carved valleys throughout the region, creating a landscape of alternating ridges and lowlands. The topography has been shaped over millions of years by erosion processes, resulting in the undulating terrain visible today. Vegetation in the region historically consisted of Atlantic Forest, though much has been converted to agricultural land and pastures over the centuries of human settlement. The remaining forest patches typically occupy steeper slopes and protected areas, while gentler terrain has been developed for human use.

Solar PV Potential in the Tarumirim Region

When considering areas near Tarumirim for large-scale solar photovoltaic (PV) installations, several topographical factors come into play. The ideal locations would combine relatively flat terrain, good solar exposure, and proximity to existing infrastructure. The gently sloping hills to the east and northeast of Tarumirim present promising opportunities for solar development. These areas offer a balance of reasonably level ground that minimizes the need for extensive earthworks while still providing good drainage. The moderate elevation also reduces the risk of morning fog that might delay daily solar production. Areas with south-facing slopes (in the Southern Hemisphere) should generally be avoided as they receive less direct sunlight throughout the year. Instead, north-facing gentle slopes around Tarumirim would maximize solar radiation capture, particularly during winter months when the sun's path is lower in the northern sky. The cleared agricultural lands surrounding Tarumirim, particularly those with minimal shade from mountains to the east and west, would be most suitable for solar PV deployment. These areas benefit from unobstructed solar access throughout most of the day and typically have existing access roads that could facilitate construction and maintenance. The valleys of the Rio Doce basin, while accessible, may experience more morning fog or mist due to their lower elevation and proximity to water sources. This could potentially reduce early morning generation capacity compared to installations on higher ground with better air circulation. Land that has already been modified for agricultural use presents fewer environmental concerns for development compared to clearing new areas of native vegetation. The region's existing transmission infrastructure, which serves local communities and industries, could potentially be leveraged to connect new solar facilities to the grid, though capacity assessments would be necessary.

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!

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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.

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.