Solar Energy Potential in Jatai, Goiás, Brazil

Jatai, Goiás, Brazil, located at latitude -17.879 and longitude -51.7259, offers excellent conditions for solar energy generation throughout the year. This tropical location benefits from consistent sunlight patterns, making it highly suitable for solar photovoltaic (PV) installations. The seasonal electricity output shows remarkable stability across the year. During summer, solar panels can generate approximately 6.45 kWh per day for each kilowatt of installed capacity. This drops slightly to 5.76 kWh/day in autumn and reaches its lowest point in winter at 5.67 kWh/day. Production rises again in spring to 5.98 kWh/day per kilowatt installed. What makes Jatai particularly attractive for solar energy is the minimal variation between seasons. The difference between the highest production (summer) and lowest production (winter) is less than 0.8 kWh/day, representing relatively minor seasonal fluctuation compared to locations at higher latitudes.

Optimal Panel Installation

For fixed solar panel installations in Jatai, Goiás, the ideal tilt angle to maximize year-round energy production is 17 degrees facing North. This specific angle has been calculated to capture the optimal amount of solar radiation throughout the year, accounting for the Earth's elliptical orbit and Jatai's position in the southern hemisphere.

Environmental and Weather Considerations

Several environmental factors could potentially impact solar energy production in Jatai:

• Dust accumulation during the dry season can reduce panel efficiency by creating a film that blocks sunlight. Regular cleaning schedules are recommended, particularly before and during the dry season.
• Heavy rainfall during the wet season may temporarily reduce output, though rain also naturally cleans panels. Ensuring proper drainage around installation sites can prevent water damage.
• High temperatures in this tropical region can slightly decrease panel efficiency. Installing panels with sufficient airflow underneath can help mitigate this effect.

To maximize production, solar installations should include dust-resistant panel coatings, elevated mounting systems for better cooling, and regular maintenance schedules aligned with seasonal patterns. Additionally, monitoring systems can help identify any unexpected drops in performance due to local environmental factors. The consistent year-round production makes Jatai an ideal location for solar energy, requiring minimal seasonal adjustments to energy planning compared to locations with more pronounced seasonal variations.

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 Jatai

Seasonal solar PV output for Latitude: -17.879, Longitude: -51.7259 (Jatai, 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 17° North in Jatai, Brazil

To maximize your solar PV system's energy output in Jatai, Brazil (Lat/Long -17.879, -51.7259) throughout the year, you should tilt your panels at an angle of 17° 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 Jatai, 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 Jatai, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 17° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
2° North in Summer	24° North in Autumn	34° North in Winter	12° 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 Jatai, 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 Jatai, 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 Jatai, Brazil

The topography around Jatai, Brazil is characterized by gently rolling plains and plateaus typical of Brazil's central region. Located in the southwestern part of Goiás state, Jatai sits within the Brazilian Cerrado, the country's vast tropical savanna ecoregion. The landscape features a mix of open grasslands, scattered trees, and gallery forests along watercourses. The terrain around Jatai is relatively flat to moderately undulating, with elevations generally ranging between 700-900 meters above sea level. The region is part of the larger Paraná River basin, with several tributaries flowing through the area. These waterways have carved shallow valleys into the landscape over time, creating subtle topographic variations across the region.

Soil and Natural Features

The soils in the Jatai region are predominantly latosols (oxisols), which are deeply weathered, well-drained soils typical of tropical regions. While these soils are often acidic and not particularly fertile for traditional agriculture without amendments, they provide stable ground for infrastructure development. The natural vegetation consists of drought-adapted trees and shrubs interspersed with grasslands. Much of the original Cerrado vegetation in the broader region has been converted to agricultural use, particularly for soybean cultivation and cattle ranching, creating a patchwork of natural and human-modified landscapes.

Climate Influence on Topography

The region experiences a tropical savanna climate with distinct wet and dry seasons. This seasonal pattern has influenced the development of the landscape, with water erosion during rainy periods shaping the gentle contours of the land. The relatively modest topographic relief means that the area receives consistent solar radiation throughout the day, with minimal shadowing from landforms.

Optimal Areas for Solar PV Development

For large-scale solar photovoltaic development, the most suitable areas near Jatai would be the elevated plateau regions that feature minimal slope, good drainage, and limited tree cover. These areas offer several advantages: The gently sloping plains to the east and northeast of Jatai present ideal conditions for solar installations, with their open exposure and minimal topographic obstructions. These areas typically have slopes of less than 3%, reducing the need for extensive land grading during construction. Agricultural lands that have already been cleared of native vegetation, particularly those with poorer soil quality that might be less productive for farming, represent opportunities for solar development with reduced environmental impact. These areas are abundant in the region surrounding Jatai. The plateaus to the south and southwest of the city also offer favorable conditions, with their elevated position potentially benefiting from slightly cooler temperatures that can improve solar panel efficiency compared to lower-lying areas. Areas to avoid would include the riparian zones along rivers and streams, which have greater ecological importance and may be subject to flooding. Similarly, any remaining patches of dense Cerrado vegetation would present both ecological and practical challenges for solar development. The relatively stable geological conditions of the region are also advantageous for solar infrastructure, with limited risk of landslides or significant erosion that might affect long-term operations. The well-draining soils help minimize concerns about waterlogging during the rainy season, though proper drainage systems would still be necessary for any large installation.

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.