Crato, Ceará, Brazil is an excellent location for year-round solar energy generation. Located in the tropical region at coordinates -7.1466, -39.4753, this area benefits from consistent sunlight throughout most of the year, with seasons typically defined by wet and dry periods rather than significant temperature variations.

Solar Energy Output Performance

The solar energy production data for Crato shows strong and consistent performance across all seasons. The location generates between 5.83 and 7.27 kWh per day for each kW of installed solar capacity, which represents excellent output levels.

• Summer: 5.83 kWh/day per kW installed
• Autumn: 5.87 kWh/day per kW installed
• Winter: 5.99 kWh/day per kW installed
• Spring: 7.27 kWh/day per kW installed

Spring emerges as the ideal season for solar generation at this location, producing approximately 24% more energy than the lowest-performing season. The relatively small variation between seasons (only about 1.4 kWh difference between the highest and lowest months) demonstrates the location's reliability for consistent solar energy production throughout the year.

Optimal Panel Installation

For maximum year-round energy production at Crato, Ceará, solar panels should be installed at a fixed tilt angle of 7 degrees facing North. This angle has been calculated to optimize total annual solar output by accounting for the sun's position throughout the year and the location's proximity to the equator.

Environmental and Weather Considerations

Several local factors could potentially impact solar energy production in Crato, Ceará, though the location remains highly suitable for solar installations. The most significant concern is the tropical climate's distinct wet and dry seasons. During wet periods, increased cloud cover and frequent rainfall can reduce solar irradiance and temporarily decrease energy output. Heavy rains may also lead to more frequent soiling of panels from mud splatter and organic debris. High humidity levels, common in tropical regions, can accelerate corrosion of metal components and potentially affect electrical connections over time. The consistent warm temperatures, while generally favorable for solar production, may cause panels to operate at higher temperatures, which can slightly reduce their efficiency.

Preventative Measures for Optimal Performance

Several installation strategies can help maximize solar energy production at this location:

• Install panels with adequate ventilation spacing to allow air circulation and prevent overheating
• Use corrosion-resistant mounting hardware and electrical components rated for high-humidity environments
• Implement regular cleaning schedules, particularly during and after wet seasons
• Consider installing panels at a slight tilt (like the recommended 7 degrees) to promote natural rainwater cleaning and prevent water pooling
• Use high-quality sealing and weatherproofing for all electrical connections

Despite these considerations, Crato's consistent high solar output throughout the year makes it an ideal location for solar energy investment. The preventative measures mentioned are standard practices for tropical installations and should not deter solar development in this highly productive 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 Crato

Seasonal solar PV output for Latitude: -7.1466, Longitude: -39.4753 (Crato, 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 7° North in Crato, Brazil

To maximize your solar PV system's energy output in Crato, Brazil (Lat/Long -7.1466, -39.4753) throughout the year, you should tilt your panels at an angle of 7° 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 Crato, 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 Crato, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 7° 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	13° North in Autumn	23° North in Winter	1° 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 Crato, 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 Crato, 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 Crato, Brazil

Topographical Features of the Crato Region

The city of Crato sits in the southern portion of Ceará state in northeastern Brazil, positioned within a distinctive geological formation known as the Araripe Basin. This region is characterized by relatively flat terrain that gradually transitions into more elevated areas as one moves southward toward the Chapada do Araripe, a prominent sedimentary plateau that rises dramatically from the surrounding landscape. The immediate vicinity of Crato features predominantly level to gently rolling terrain, with elevations typically ranging from 400 to 500 meters above sea level. The landscape is punctuated by occasional low hills and shallow valleys, creating a generally favorable topography for large-scale development projects. The terrain becomes more pronounced as it approaches the escarpment of the Chapada do Araripe, where steep cliffs and mesa-like formations create a striking contrast to the flatter areas below. Drainage patterns in the region are influenced by seasonal rainfall, with intermittent streams and dry creek beds characteristic of the semi-arid climate. The Batateira River and its tributaries flow through the area, though these waterways often experience reduced flow during dry periods. The soil composition varies from sandy loams in the flatter areas to more rocky and clay-rich soils near the plateau edges.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for extensive solar photovoltaic installations would be found in the flatter agricultural areas extending northward and eastward from Crato. These zones offer several advantages including minimal slope variations, which reduce construction complexity and costs while maximizing panel efficiency through optimal positioning. The relatively stable geological foundation in these areas provides excellent support for large solar arrays and associated infrastructure. Areas situated between Crato and the neighboring municipalities of Juazeiro do Norte and Barbalha present particularly favorable conditions. The terrain in this corridor is predominantly flat with good accessibility via existing road networks, making it practical for equipment transport and maintenance operations. The land use in these zones is primarily agricultural, which often facilitates easier acquisition and conversion for renewable energy projects. The western approaches to Crato also demonstrate strong potential for solar development, where the landscape opens into broader plains with minimal topographical obstacles. These areas benefit from consistent terrain characteristics and reduced shading concerns that might arise from nearby elevated features. The geological stability of the sedimentary formations underlying these plains provides a solid foundation for large-scale installations. Conversely, areas closer to the Chapada do Araripe escarpment would be less suitable due to irregular terrain, potential shading from elevated landforms, and increased complexity in site preparation and maintenance access. The steeper slopes and rocky outcrops characteristic of the plateau margins would significantly increase development costs and reduce overall system efficiency.

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.