Pimenta Bueno, Rondônia, Brazil presents a highly favorable location for year-round solar photovoltaic energy generation. This tropical location demonstrates excellent solar production potential with consistent output throughout all seasons.

Solar Production Performance

The solar energy output at this location shows remarkable consistency across the year. Winter months deliver the highest production at 5.78 kWh per day per kW of installed solar capacity, followed closely by spring at 5.72 kWh per day. Autumn provides 5.41 kWh per day, while summer produces 5.26 kWh per day per kW installed. The winter and spring months represent the ideal times for solar generation at this location, producing approximately 10% more energy than the summer months. This pattern is typical for locations in the southern hemisphere tropics, where the dry season coincides with clearer skies and optimal sun angles. For maximum year-round energy production, solar panels should be installed at a fixed tilt angle of 12 degrees facing north. This optimal angle maximizes total annual solar output by accounting for the sun's path throughout the year and seasonal variations in solar irradiance.

Environmental and Weather Challenges

Several local factors could potentially impact solar production efficiency at Pimenta Bueno:

• Tropical rainfall and humidity: The wet season brings heavy rains and high humidity levels that can reduce panel efficiency and create water spotting
• Dust and particulate matter: Dry season conditions can lead to dust accumulation on panel surfaces
• Vegetation growth: The tropical climate promotes rapid plant growth that could create shading issues
• Extreme heat: High temperatures can reduce panel efficiency, particularly during peak afternoon hours

Preventative Installation Measures

To maximize energy production despite these challenges, several installation strategies should be implemented. Proper panel mounting with adequate ventilation underneath helps reduce heat buildup and maintains optimal operating temperatures. Installing panels with sufficient clearance from the ground and surrounding vegetation prevents shading and allows for air circulation. Regular maintenance scheduling becomes crucial in this environment. Establishing a cleaning routine during dry periods removes dust accumulation, while post-storm inspections ensure panels remain clear of debris. Installing monitoring systems helps identify performance drops that may indicate cleaning or maintenance needs. Drainage considerations are essential for the mounting system to handle heavy tropical rainfall without water pooling around equipment. Using corrosion-resistant materials and proper sealing protects electrical components from the high humidity environment typical of this tropical location.

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 Pimenta Bueno

Seasonal solar PV output for Latitude: -11.6669, Longitude: -61.1901 (Pimenta Bueno, 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 12° North in Pimenta Bueno, Brazil

To maximize your solar PV system's energy output in Pimenta Bueno, Brazil (Lat/Long -11.6669, -61.1901) throughout the year, you should tilt your panels at an angle of 12° 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 Pimenta Bueno, 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 Pimenta Bueno, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 12° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
4° South in Summer	18° North in Autumn	27° North in Winter	6° 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 Pimenta Bueno, 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 Pimenta Bueno, 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 Pimenta Bueno, Brazil

Topographical Features of the Pimenta Bueno Region

The area surrounding Pimenta Bueno in Rondônia state sits within the Brazilian Amazon basin, characterized by relatively gentle topography typical of the western Amazon lowlands. The terrain consists primarily of rolling hills and broad valleys with elevations ranging from approximately 200 to 400 meters above sea level. This region forms part of the larger Guaporé River basin system, which creates a landscape of gradual slopes and wide floodplains. The local topography features extensive areas of cleared agricultural land interspersed with remaining forest patches. Much of the original rainforest has been converted to cattle pastures and crop cultivation, particularly soybeans and corn, creating large expanses of relatively flat or gently undulating terrain. The soil composition includes clay-rich latosols and sandy soils, with good drainage characteristics in the higher elevations. Several small rivers and streams traverse the region, flowing generally northward toward the Madeira River system. These waterways have carved shallow valleys through the landscape, but the overall relief remains modest. The wet and dry seasons significantly influence the local hydrology, with some lower-lying areas experiencing seasonal flooding during the rainy period from November through April.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations around Pimenta Bueno would be the elevated plateaus and gently sloping hillsides that have already been cleared for agriculture. These areas offer several advantages including stable ground conditions, minimal flooding risk, and existing access infrastructure developed for farming operations. The converted pasturelands on higher ground present particularly attractive opportunities, as they typically feature extensive flat or gently rolling terrain with good drainage. These areas have been cleared of forest cover, eliminating the need for additional deforestation while providing the open exposure necessary for solar installations. The existing road network serving these agricultural areas would facilitate construction and maintenance access. Areas to avoid would include the lower-lying regions near rivers and streams that experience seasonal flooding, as well as any remaining forested areas that would require clearing. The steeper slopes, while limited in this region, would also present challenges for large-scale solar development due to increased construction complexity and potential erosion concerns. The region's proximity to existing electrical infrastructure serving the agricultural sector and the town of Pimenta Bueno itself provides additional advantages for grid connection. The relatively stable geology of the cleared upland areas would support the foundation requirements for large solar installations without significant ground preparation challenges.

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.