Campina Grande, Paraíba, Brazil, located at latitude -7.3881 and longitude -35.7755, offers a promising environment for solar energy generation throughout the year. This tropical location benefits from consistent sunlight, with seasons characterized more by wet and dry periods than temperature variations.

Seasonal Solar Performance

Solar panel efficiency in Campina Grande varies slightly across seasons. Spring stands out as the most productive period, with an impressive 6.80 kWh per day for each kilowatt of installed solar capacity. Summer follows closely behind at 6.25 kWh/day, while autumn and winter see slightly lower but still substantial outputs of 5.57 kWh/day and 5.11 kWh/day, respectively.

Optimal Panel Positioning

For fixed solar panel installations in Campina Grande, Paraíba, the ideal tilt angle to maximize year-round energy production is 6 degrees facing North. This slight tilt helps optimize sunlight capture throughout the year, accounting for the Earth's elliptical orbit and the location's proximity to the equator.

Environmental Considerations

While Campina Grande's climate is generally favorable for solar energy production, there are a few factors to consider: 1. Rainfall: The region experiences a rainy season, typically from March to July. Heavy cloud cover during this period may temporarily reduce solar panel efficiency. 2. Dust and pollen: The dry season can lead to increased dust and pollen in the air, potentially accumulating on solar panels and reducing their effectiveness. To mitigate these issues, regular cleaning and maintenance of solar panels is crucial. Installing panels at the recommended 6-degree tilt can also help with natural cleaning during rainfall. Additionally, using high-quality, weather-resistant panels and inverters can ensure optimal performance in varying conditions.

Conclusion

Overall, Campina Grande presents an excellent location for solar energy generation. With its consistent sunlight and relatively minor seasonal variations in output, the city offers a reliable environment for solar PV installations. By implementing proper maintenance practices and optimizing panel positioning, residents and businesses can harness substantial solar energy 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 Campina Grande

Seasonal solar PV output for Latitude: -7.3881, Longitude: -35.7755 (Campina Grande, 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 Campina Grande, Brazil

To maximize your solar PV system's energy output in Campina Grande, Brazil (Lat/Long -7.3881, -35.7755) 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 Campina Grande, 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 Campina Grande, 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
8° 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 Campina Grande, 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 Campina Grande, 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 Campina Grande, Brazil

The topography around Campina Grande, Brazil, is characterized by its location in the Borborema Plateau region. This area features a diverse landscape with rolling hills, rocky outcrops, and elevated terrain. The city itself sits at an altitude of approximately 550 meters (1,800 feet) above sea level, which contributes to its milder climate compared to the surrounding lowlands. The region surrounding Campina Grande is part of the Brazilian Highlands, a vast area of elevated terrain that covers much of eastern Brazil. The landscape is marked by gentle slopes and undulating hills, interspersed with occasional steep inclines and rocky formations. This varied topography creates a mosaic of different microclimates and ecosystems, ranging from semi-arid areas to more humid zones with denser vegetation. To the east of Campina Grande, the terrain gradually descends towards the coastal plains of Paraíba state. This transition zone features a mix of hills and valleys, with elevations decreasing as one moves closer to the Atlantic Ocean. To the west and southwest, the landscape becomes more rugged, with higher elevations and more pronounced geological features.

Areas Suitable for Large-scale Solar PV

When considering areas nearby that would be most suited to large-scale solar photovoltaic (PV) installations, several factors come into play. The semi-arid climate of the region, with its abundant sunshine and relatively low cloud cover, makes much of the surrounding area potentially suitable for solar energy production. The gently sloping hills to the west and southwest of Campina Grande offer promising locations for solar PV farms. These areas typically receive high levels of solar radiation throughout the year and have fewer obstacles that could cast shadows on solar panels. The elevated terrain also helps to minimize dust accumulation on the panels, which can reduce their efficiency. Another potentially suitable area lies to the north and northeast of the city, where the landscape flattens out somewhat. These more level areas could accommodate large solar arrays with less need for extensive land preparation. The relatively sparse vegetation in these semi-arid zones also means less clearing would be required for installation. It's important to note that while the topography and climate of the region are generally favorable for solar PV, other factors such as proximity to power transmission infrastructure, land ownership, and environmental considerations would also need to be taken into account when selecting specific sites for large-scale 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!

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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.