Solar Energy Potential in Pombas, Paul, Cabo Verde

Pombas, Paul, Cabo Verde, situated at latitude 17.1537, longitude -25.0155, offers promising conditions for solar photovoltaic (PV) energy generation throughout the year. This tropical location benefits from consistent sunlight patterns, with seasonal variations primarily defined by wet and dry periods rather than significant changes in daylight duration. The solar energy production potential varies across the meteorological seasons, with spring being the most productive period at 7.40 kWh per day for each kilowatt of installed capacity. Summer follows with 6.66 kWh/day, while autumn and winter show slightly lower but still substantial outputs of 5.82 kWh/day and 5.67 kWh/day respectively, per kilowatt of installed solar capacity. For fixed solar panel installations in Pombas, Paul, the ideal tilt angle to maximize year-round energy production is 16 degrees facing South. This optimal angle has been determined by analyzing the location's specific solar geometry and weighting potential daily energy production throughout the year.

Seasonal Considerations

Spring emerges as the prime season for solar generation in Pombas, Paul, with nearly 31% higher daily output than the winter months. This makes March through May an excellent period for solar energy harvesting. The summer months (June-August) also provide strong solar potential, while autumn and winter months, while slightly less productive, still offer consistent energy generation capabilities. The relatively small variation between seasonal outputs (approximately 1.73 kWh/day difference between the highest and lowest seasons) indicates that Pombas benefits from fairly stable solar conditions year-round, making it suitable for consistent renewable energy production.

Environmental Challenges and Solutions

Despite favorable conditions, several environmental factors could potentially impact solar production in Pombas:

• Dust and salt spray: Being a coastal location, salt accumulation and airborne dust can reduce panel efficiency over time. Regular cleaning schedules and hydrophobic panel coatings can mitigate these effects.
• Tropical storms: While infrequent, seasonal storms can temporarily reduce output and potentially damage installations. Robust mounting systems rated for high wind conditions are recommended.
• Heat: Excessive heat can reduce solar panel efficiency. Using panels with good temperature coefficients and ensuring adequate airflow behind panels can help maintain performance.

Additionally, installing tracking systems rather than fixed-tilt installations could further increase energy yield, though at higher initial cost and maintenance requirements. For fixed installations, the 16-degree South tilt represents an excellent compromise for year-round production optimization. The combination of consistent solar resources throughout the year and relatively manageable environmental challenges makes Pombas a promising location for solar PV development, provided appropriate system design and maintenance practices are implemented.

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 8 locations across Cabo Verde. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Cabo Verde by location

Solar output per kW of installed solar PV by season in Pombas

Seasonal solar PV output for Latitude: 17.1537, Longitude: -25.0155 (Pombas, Cabo Verde), 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 16° South in Pombas, Cabo Verde

To maximize your solar PV system's energy output in Pombas, Cabo Verde (Lat/Long 17.1537, -25.0155) throughout the year, you should tilt your panels at an angle of 16° South 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 Pombas, Cabo Verde

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 Pombas, Cabo Verde. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 16° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
1° South in Summer	22° South in Autumn	32° South in Winter	10° South 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 Pombas, Cabo Verde

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 Pombas, Cabo Verde.

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 Pombas, Cabo Verde

The terrain surrounding Pombas, a settlement on the island of Santo Antão in Cabo Verde, is characterized by dramatic volcanic topography. This area features steep mountain slopes, deep ravines, and narrow valleys typical of the northeastern region of the island. Pombas itself is situated near the coast where rugged mountains meet the Atlantic Ocean, creating a striking landscape of considerable elevation changes within relatively short distances. Santo Antão is the westernmost and second largest island in the Cabo Verde archipelago, formed through volcanic activity. The topography around Pombas reflects this volcanic origin, with sharp ridges and peaks that can reach over 1,000 meters above sea level not far from the settlement. The mountainous terrain creates numerous microclimates, with the northeastern side of the island (where Pombas is located) generally receiving more moisture from prevailing winds than the southwestern regions.

Suitable Areas for Solar PV Development

For large-scale solar photovoltaic installations, the most suitable areas near Pombas would be found in the southwestern portions of Santo Antão island. These regions experience significantly less cloud cover and precipitation compared to the northeastern areas where Pombas is situated. The southwestern coastal plains and gently sloping areas provide more favorable conditions for solar energy capture, with clearer skies and more consistent solar radiation throughout the year. The ideal locations would be moderately elevated plateaus and gentler slopes that face south or southwest, maximizing exposure to the sun's path. These areas benefit from reduced cloud formation while still having sufficient elevation to avoid coastal humidity and salt spray that could potentially damage solar equipment over time. Several kilometers south and southwest of Pombas, the landscape transitions to more arid conditions with less steep topography. These transitional zones between the mountainous northeast and the drier southwest offer potential sites that balance accessibility with optimal solar exposure. The relatively flat areas near Porto Novo (on the southern coast of Santo Antão) present particularly promising locations for large-scale solar development, with better infrastructure connections and more consistent solar conditions than the mountainous northeast. While the immediate vicinity of Pombas has limited suitable areas due to its steep terrain and higher cloud frequency, the island as a whole offers considerable potential for solar energy development in its southwestern regions, where the topography flattens and the climate becomes significantly drier and sunnier.

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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.