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Flag of BrazilSolar PV Analysis of Delmiro Gouveia, Brazil

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Delmiro Gouveia, Brazil (by season)

Solar Energy Potential in Delmiro Gouveia, Alagoas, Brazil

Delmiro Gouveia, Alagoas, located in northeastern Brazil at latitude -9.4445 and longitude -38.0248, offers excellent conditions for solar energy generation throughout the year. This tropical location benefits from consistent sunlight patterns, making it highly suitable for photovoltaic (PV) systems. The seasonal energy production shows promising results across all periods of the year. Spring stands out as the most productive season, with panels generating approximately 7.03 kWh per day for each kilowatt of installed capacity. Summer follows with a solid 6.47 kWh/day, while autumn produces 5.75 kWh/day. Even during winter, which represents the lowest production period, panels still generate a respectable 5.25 kWh/day per installed kilowatt.

Optimal Panel Installation

For maximizing year-round solar energy production in Delmiro Gouveia, Alagoas, fixed solar panels should be tilted at 8 degrees facing North. This specific angle has been calculated to optimize annual energy capture based on the location's position relative to the sun's path throughout the year.

Environmental and Weather Considerations

Several factors could potentially affect solar production in this region:
  • Dust accumulation: The semi-arid climate of northeastern Brazil can lead to significant dust buildup on panels, reducing efficiency by up to 25% if not addressed.
  • Seasonal rainfall patterns: While rain can naturally clean panels, the region's distinct wet and dry seasons mean panels may require manual cleaning during extended dry periods.
  • High temperatures: Excessive heat can reduce solar panel efficiency. The region's hot climate may occasionally impact performance during peak temperature days.

Recommended Preventative Measures

To maximize solar energy production in Delmiro Gouveia, Alagoas, consider implementing these strategies:
  • Install automated or scheduled cleaning systems to remove dust accumulation, particularly during dry seasons
  • Use temperature-resistant panel models designed for tropical climates
  • Ensure adequate airflow beneath panels to reduce operating temperatures
  • Consider slight adjustments to the tilt angle during different seasons if using adjustable mounting systems
  • Implement quality surge protection due to the possibility of lightning during wet seasons
Overall, Delmiro Gouveia presents an excellent location for solar energy generation with consistently high production values throughout the year, particularly during spring and summer months. With proper installation at the recommended 8-degree northward tilt and regular maintenance to address environmental factors, solar PV systems in this location can be expected to perform exceptionally well.

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 Delmiro Gouveia

Seasonal solar PV output for Latitude: -9.4445, Longitude: -38.0248 (Delmiro Gouveia, 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:

Summer
Average 6.47kWh/day in Summer.
Autumn
Average 5.75kWh/day in Autumn.
Winter
Average 5.25kWh/day in Winter.
Spring
Average 7.03kWh/day in Spring.

 

Ideally tilt fixed solar panels 8° North in Delmiro Gouveia, Brazil

To maximize your solar PV system's energy output in Delmiro Gouveia, Brazil (Lat/Long -9.4445, -38.0248) throughout the year, you should tilt your panels at an angle of 8° 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.

The sun
At Latitude: -9.4445, Longitude: -38.0248, the ideal angle to tilt panels is 8° North

Seasonally adjusted solar panel tilt angles for Delmiro Gouveia, 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 Delmiro Gouveia, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 8° North tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
6° South in Summer 15° North in Autumn 25° North in Winter 4° North in Spring

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Delmiro Gouveia, Brazil as follows: In Summer, set the angle of your panels to 6° facing South. In Autumn, tilt panels to 15° facing North for maximum generation. During Winter, adjust your solar panels to a 25° angle towards the North for optimal energy production. Lastly, in Spring, position your panels at a 4° angle facing North to capture the most solar energy in Delmiro Gouveia, Brazil.

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 Delmiro Gouveia, 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 Delmiro Gouveia, 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.






Please enter information above to calculate panel spacing.

Topography for solar PV around Delmiro Gouveia, Brazil

The region surrounding Delmiro Gouveia, Brazil presents a diverse topographical landscape characteristic of Brazil's northeastern interior. Located in the state of Alagoas near the border with Bahia, Delmiro Gouveia sits in a transitional zone between the coastal plains and the higher elevation areas of the Brazilian Plateau.

The terrain around Delmiro Gouveia is predominantly characterized by rolling hills, scattered plateaus, and shallow valleys. The elevation generally ranges between 250 and 450 meters above sea level, creating a moderately undulating landscape. The São Francisco River, one of Brazil's most important waterways, flows nearby, having carved significant geological features in the region over millennia. The Paulo Afonso Falls, a series of impressive waterfalls on the São Francisco River, are located relatively close to Delmiro Gouveia.

The area falls within Brazil's semiarid region known as the Sertão, which is characterized by a caatinga biome - a unique ecological zone featuring drought-resistant vegetation including cacti, thorny bushes, and small trees that have adapted to the relatively dry climate. The soil composition tends to be shallow and rocky in many places, with exposed bedrock formations visible throughout the landscape.

Solar PV Suitability

When considering large-scale solar photovoltaic installations, several areas near Delmiro Gouveia present favorable conditions. The gently sloping plateaus to the west and northwest of the town offer particularly promising sites. These elevated flat areas receive consistent solar radiation throughout the year due to their open exposure and lack of tall vegetation or geographical features that might cast shadows.

The semiarid climate of the region means minimal cloud cover for much of the year, creating ideal conditions for solar energy capture. Additionally, the relatively sparse vegetation in these plateau areas would require minimal clearing for installation, reducing environmental impact and construction costs.

Areas approximately 10-15 kilometers west of Delmiro Gouveia feature some of the most suitable terrain for large-scale solar development. These locations combine favorable topographical features (gently sloping, south-facing terrain) with good accessibility via existing road networks. The stable geological foundation also provides solid ground for mounting solar infrastructure.

Some of the flatter sections along the elevated areas between Delmiro Gouveia and Paulo Afonso would also be well-suited for solar farms. These locations benefit from stable ground conditions and proximity to existing electrical infrastructure connected to the Paulo Afonso Hydroelectric Complex, potentially facilitating grid integration.

The drier climate means less vegetation management would be required after installation, though consideration must be given to occasional dust accumulation on panels, which would necessitate periodic cleaning to maintain optimal efficiency.

It's worth noting that while the rocky terrain in some areas might present initial construction challenges, these same geological characteristics provide excellent drainage during the rainy season, reducing the risk of flooding that could damage solar infrastructure.

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

Article: Solar PV Analysis of Delmiro Gouveia, Brazil
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Sunday 29th of June 2025
Last Updated: Wednesday 23rd of July 2025

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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.

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