Solar Energy Potential in Alexandria, Rio Grande do Norte, Brazil

Alexandria, Rio Grande do Norte, Brazil, located at coordinates -6.4035, -37.9701, offers excellent conditions for solar energy production throughout the year. This tropical location benefits from consistent sunlight patterns, with seasons defined more by wet and dry periods than by significant temperature variations. The solar electricity output at this location shows strong performance across all seasons. Spring stands out as the most productive period with 7.55 kWh per day for each kilowatt of installed capacity. Summer follows with 6.67 kWh/day, while autumn yields 6.53 kWh/day. Even during winter, which is typically the least productive season, Alexandria still generates a respectable 6.14 kWh/day.

Optimal Panel Installation

For maximizing year-round solar energy production in Alexandria, Rio Grande do Norte, fixed solar panels should be tilted at 6 degrees facing North. This specific angle has been calculated to capture the optimal amount of sunlight throughout the year, accounting for the Earth's elliptical orbit and the site's proximity to the equator.

Environmental and Weather Considerations

Several environmental factors could potentially affect solar production in Alexandria:

• Seasonal rainfall during the wet season can reduce solar efficiency due to cloud cover and direct precipitation on panels.
• Dust accumulation is common in tropical regions, particularly during dry seasons, and can gradually diminish panel performance.
• High temperatures, while good for sunlight availability, can actually reduce the efficiency of photovoltaic cells.

Recommended Preventative Measures

To maximize solar energy production in Alexandria, Rio Grande do Norte, several precautionary steps are advisable: Installing self-cleaning panels or implementing regular cleaning schedules can mitigate dust accumulation issues. For larger installations, automated cleaning systems may be cost-effective. Temperature-related efficiency losses can be addressed by ensuring adequate airflow beneath panels and selecting solar equipment rated for high-temperature environments. Some modern panels perform better than others in hot conditions. During the installation phase, considering slight adjustments to the tilt angle might be beneficial depending on whether the priority is maximizing production during the wet or dry season, though the 6-degree North tilt remains optimal for year-round output. With proper installation and maintenance, Alexandria's consistent solar radiation levels make it an excellent location for photovoltaic energy systems with reliable production throughout the year.

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 Alexandria

Seasonal solar PV output for Latitude: -6.4035, Longitude: -37.9701 (Alexandria, 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 6° North in Alexandria, Brazil

To maximize your solar PV system's energy output in Alexandria, Brazil (Lat/Long -6.4035, -37.9701) throughout the year, you should tilt your panels at an angle of 6° 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 Alexandria, 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 Alexandria, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 6° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
9° South in Summer	12° North in Autumn	22° North in Winter	0° 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 Alexandria, 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 Alexandria, 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 Alexandria, Brazil

Topography of Alexandria, Brazil

Alexandria is located in the northeastern state of Rio Grande do Norte, Brazil, approximately 323 kilometers from the capital city of Natal. The terrain around Alexandria features a mix of gently rolling hills and flat plains characteristic of Brazil's interior northeastern region. The area sits at an elevation of approximately 300 meters above sea level, creating a relatively consistent topographic profile compared to more mountainous regions of Brazil. The landscape surrounding Alexandria is part of the broader Caatinga biome, which is characterized by semi-arid conditions with a distinctive dry forest ecosystem. The topography has been shaped over millennia by seasonal water flows, creating shallow valleys between modest elevations. The soil composition tends to be relatively thin and rocky in many areas, particularly on hillsides, while valley floors may contain deeper alluvial deposits. Natural vegetation in the region is adapted to the semi-arid conditions, consisting predominantly of drought-resistant shrubs, cacti, and small trees that have evolved to survive in the challenging climate. During dry periods, much of the landscape appears sparse, with exposed soil and rock formations becoming prominent features of the terrain.

Optimal Areas for Solar PV Development

The topographical characteristics around Alexandria create several promising zones for large-scale solar photovoltaic development. The most suitable areas include: The flat plains extending to the east and southeast of Alexandria offer ideal conditions for solar installations. These areas feature minimal topographical variation, reducing construction challenges and allowing for efficient panel arrangement. The relatively level terrain minimizes shading concerns between panel rows and simplifies infrastructure development. Gently sloping hillsides with southern exposures present another attractive option for solar development. These locations benefit from consistent sun exposure throughout the day while natural elevation changes can sometimes reduce the need for extensive grading work. However, developers must consider soil stability and erosion potential when evaluating these sites. The transitional zones between hills and plains often provide a good compromise between accessibility and optimal solar exposure. These areas typically have adequate drainage characteristics while maintaining relatively simple construction requirements. The soil composition in these transition zones may also be more conducive to foundation work than the rocky hilltops. Areas with minimal vegetation cover naturally reduce site preparation costs and environmental impact concerns. The semi-arid nature of the region has already created numerous locations where ground cover is sparse, making these sites particularly attractive from both economic and ecological perspectives. The region's distance from major population centers means that large tracts of undeveloped land are potentially available, allowing for significant scale in project development. However, proximity to existing transmission infrastructure remains an important consideration despite the favorable topography, as connection costs can substantially impact project economics regardless of ideal physical conditions.

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.