Solar Energy Potential in Alvorada do Norte, Brazil

Alvorada do Norte, Brazil offers excellent conditions for solar energy generation throughout the year. Located in the tropics, this location benefits from consistent sunlight patterns that make it highly suitable for solar photovoltaic (PV) installations. The seasonal energy production data shows remarkable consistency across all four meteorological seasons. In summer, each kilowatt of installed solar capacity generates approximately 5.86 kWh of electricity per day. This increases slightly to 6.18 kWh/day during autumn, maintains strong production at 6.01 kWh/day in winter, and reaches its peak performance in spring with 6.31 kWh/day. This minimal seasonal variation is a significant advantage compared to locations at higher latitudes, where winter production often drops dramatically. The difference between the highest and lowest producing seasons at this location is only about 7.7%, indicating reliable year-round energy generation potential.

Optimal Panel Installation

For fixed solar panel installations in Alvorada do Norte, the ideal tilt angle to maximize year-round energy production is 15 degrees facing North. This specific angle has been calculated to optimize the capture of available sunlight throughout the year, accounting for the location's position in the Southern Hemisphere and the Earth's elliptical orbit. Spring appears to be the optimal season for solar generation at this location, with autumn also showing excellent performance. However, the minimal variation between seasons means that solar panels will produce substantial electricity throughout the entire year.

Environmental Considerations

Despite the favorable conditions, several environmental factors could potentially impact solar production in Alvorada do Norte:

• Seasonal rainfall during the wet season may reduce solar efficiency due to cloud cover and direct rainfall on panels.
• Dust accumulation is common in tropical regions with distinct dry seasons, which can reduce panel efficiency by 10-30% if not addressed.
• Higher ambient temperatures in tropical regions can slightly reduce panel efficiency, as most solar PV systems operate less efficiently above 25°C.

Mitigation Strategies

To maximize solar production despite these challenges, several preventative measures can be implemented: Regular panel cleaning should be scheduled, particularly during the dry season when dust accumulation is highest. Installing panels at the recommended 15-degree tilt also helps with natural cleaning during rainfall events. Using solar panels with better high-temperature performance ratings is advisable for this tropical location. Additionally, ensuring adequate airflow beneath the panels by mounting them several inches above the roof or ground surface can help dissipate heat. For larger installations, implementing a tracking system rather than fixed panels could further increase energy yield, though this needs to be balanced against the higher cost and maintenance requirements. Overall, Alvorada do Norte presents near-ideal conditions for solar PV installations with minimal seasonal variation in production and strong year-round performance potential.

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 Alvorada Do Norte

Seasonal solar PV output for Latitude: -14.5242, Longitude: -46.6413 (Alvorada Do Norte, 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 15° North in Alvorada Do Norte, Brazil

To maximize your solar PV system's energy output in Alvorada Do Norte, Brazil (Lat/Long -14.5242, -46.6413) throughout the year, you should tilt your panels at an angle of 15° 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 Alvorada Do Norte, 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 Alvorada Do Norte, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 15° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
1° South in Summer	20° North in Autumn	30° North in Winter	9° 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 Alvorada Do Norte, 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 Alvorada Do Norte, 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 Alvorada Do Norte, Brazil

The landscape surrounding Alvorada do Norte, Brazil presents a diverse topographical profile characteristic of Brazil's central plateau region. Located in the eastern part of Goiás state, this area sits within the Cerrado biome, Brazil's vast tropical savanna ecosystem that covers much of the country's central highlands.

Topographical Features

Alvorada do Norte rests at an elevation of approximately 430 meters above sea level. The surrounding terrain exhibits a mixture of gently rolling hills and flat plateaus, creating an undulating landscape that gradually slopes toward the Corrente River basin. The region is characterized by wide-open spaces with scattered vegetation typical of the Cerrado—a combination of grasslands interspersed with twisted trees and shrubs adapted to the seasonal climate. To the west of Alvorada do Norte, the terrain gradually rises toward the central Brazilian plateau, with some areas reaching elevations of 800-900 meters. These higher plateaus feature expansive flat areas interrupted by occasional escarpments and table mountains. The eastern direction leads toward the São Francisco River basin, where the landscape generally becomes more level as it approaches the river valley. The area experiences a pronounced dry season from May to September and a rainy season from October to April, which has shaped the local topography through seasonal erosion patterns. This climatic rhythm has created a network of seasonal streams that cut through the landscape, forming shallow valleys between the plateau areas.

Soil and Surface Conditions

The soils in this region are predominantly latosols—reddish, iron-rich soils that are typically acidic and nutrient-poor. These soils have good drainage properties but require agricultural amendments for productive farming. The surface conditions vary from open grasslands to areas with scattered tree cover, with some regions showing exposed rock formations where erosion has removed the topsoil.

Optimal Areas for Solar PV Development

For large-scale solar photovoltaic development, the most suitable areas near Alvorada do Norte would be the elevated plateau regions to the west and northwest of the town. These areas offer several advantages that make them particularly well-suited for solar energy projects: The higher-elevation plateaus provide extensive flat or gently sloping terrain that would require minimal grading for solar array installation. These areas typically have reduced vegetation density compared to river valleys, minimizing clearance requirements and ecological impact. The plateaus also benefit from unobstructed exposure to sunlight throughout the day, with minimal shadowing from topographical features. This consistent solar exposure is essential for maximizing energy production from photovoltaic systems. Additionally, these elevated areas typically experience slightly lower average temperatures compared to the lower valleys, which is beneficial for photovoltaic efficiency, as solar panel performance decreases at higher temperatures. The well-drained soils of the plateau regions provide stable ground conditions for mounting structures, reducing concerns about seasonal flooding or soil instability that might affect areas closer to river systems. Areas approximately 15-30 kilometers west of Alvorada do Norte show particularly promising characteristics, with extensive flat plateaus at elevations between 600-800 meters. These locations combine favorable topography with reasonable proximity to existing transmission infrastructure, making them practical candidates for large-scale solar development. The drier climate of the Cerrado region also means less cloud cover during much of the year, particularly during the pronounced dry season, creating ideal conditions for solar energy generation. The natural vegetation in these plateau areas is also less dense than in more forested regions of Brazil, potentially reducing land clearing requirements for solar installations.

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.