Pointe aux Canonniers, Mauritius represents a very good location for year-round solar energy generation, with consistently strong performance across all seasons due to its tropical location where sunlight remains relatively stable throughout the year.

Seasonal Solar Performance

The solar energy output at this location shows excellent year-round viability, with summer and spring delivering the highest production rates. Summer generates 7.82 kWh per day per kW of installed solar capacity, making it the peak season for solar energy production. Spring follows closely with 7.23 kWh per day per kW, indicating another highly productive period. Autumn and winter show reduced but still substantial output, with autumn producing 5.45 kWh per day per kW and winter delivering 4.62 kWh per day per kW. Even during the lowest production period in winter, the output remains at a respectable level that makes solar viable year-round. For optimal performance, solar panels should be installed at a fixed tilt angle of 17 degrees facing North, which maximizes total annual energy production by accounting for the sun's position throughout the year and the location's specific latitude.

Environmental Challenges and Solutions

Several environmental factors at Pointe aux Canonniers could potentially impact solar panel performance, though the location remains highly suitable for solar installation with proper precautions. Salt Air and Coastal Corrosion: Being located on the northern coast of Mauritius, solar installations face constant exposure to salt-laden ocean air. This can cause accelerated corrosion of mounting hardware and electrical connections. Installing panels with marine-grade aluminum frames and stainless steel mounting systems helps combat this issue. Regular cleaning and maintenance schedules should include inspection of all metal components. Tropical Storms and Cyclones: Mauritius lies within the cyclone belt of the Southwest Indian Ocean, with the cyclone season typically running from November to April. High winds and heavy rainfall during these events can damage poorly secured installations. Proper engineering calculations for wind loads and using reinforced mounting systems rated for extreme weather conditions are essential preventative measures. High Humidity and Moisture: The tropical climate brings consistently high humidity levels that can affect electrical components and connections over time. Using weatherproof junction boxes, proper cable sealing, and ensuring adequate drainage around panel installations helps prevent moisture-related failures. Dust and Debris Accumulation: While not as severe as in desert climates, tropical locations can experience dust buildup, particularly during drier periods. Regular cleaning schedules and considering self-cleaning panel coatings can maintain optimal light transmission to the solar cells. The combination of strong year-round solar irradiance and manageable environmental challenges makes Pointe aux Canonniers an attractive location for solar energy systems, provided installations follow proper marine and tropical climate construction standards.

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

Link: Solar PV potential in Mauritius by location

Solar output per kW of installed solar PV by season in Pointe Aux Canonniers

Seasonal solar PV output for Latitude: -20.0112, Longitude: 57.5531 (Pointe Aux Canonniers, Mauritius), 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 17° North in Pointe Aux Canonniers, Mauritius

To maximize your solar PV system's energy output in Pointe Aux Canonniers, Mauritius (Lat/Long -20.0112, 57.5531) throughout the year, you should tilt your panels at an angle of 17° 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 Pointe Aux Canonniers, Mauritius

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 Pointe Aux Canonniers, Mauritius. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 17° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
4° North in Summer	25° North in Autumn	35° North in Winter	13° 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 Pointe Aux Canonniers, Mauritius

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 Pointe Aux Canonniers, Mauritius.

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 Pointe Aux Canonniers, Mauritius

Topographical Features of Pointe aux Canonniers

Pointe aux Canonniers sits on the northwestern tip of Mauritius, where the island's coastline forms a distinctive promontory jutting into the Indian Ocean. This coastal area features relatively flat terrain with gentle undulations, characteristic of much of Mauritius's northern coastal plain. The immediate vicinity consists of low-lying land that gradually rises from sea level to modest elevations of around 50 to 100 meters above sea level as one moves inland. The landscape around Pointe aux Canonniers is dominated by coral limestone formations that create a stable foundation with minimal steep gradients. This geological composition has resulted in a terrain that is generally well-drained, with sandy soils mixed with coral fragments. The coastal areas feature narrow beaches backed by low cliffs and rocky outcrops, while the inland areas transition into gently rolling hills covered with mixed vegetation including casuarina trees, coastal shrubs, and areas of grassland. Moving southward from the point, the topography begins to show more variation as it approaches the foothills of Mauritius's central plateau. The land becomes progressively more elevated and undulating, though still maintaining relatively gentle slopes throughout most of the northern coastal region.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for extensive solar photovoltaic installations would be found in the inland areas approximately 2 to 5 kilometers south and southeast of Pointe aux Canonniers. These zones offer the ideal combination of relatively flat terrain, adequate elevation for drainage, and sufficient open space for large-scale development. The gentle slopes in this region, typically ranging from 2 to 8 degrees, provide excellent conditions for solar panel installation while allowing for proper water runoff. The area around Goodlands and extending toward the Pamplemousses district presents particularly favorable conditions. This region features expansive areas of relatively level ground that have been historically used for agriculture, indicating stable soil conditions and good accessibility. The terrain here consists of former sugar cane fields and grazing land, much of which has gentle, south-facing slopes that would be ideal for maximizing solar exposure. Further inland, toward the areas approaching Terre Rouge and the approaches to the central plateau, the topography becomes more suitable for large installations. These locations benefit from slightly higher elevations that reduce coastal humidity effects while maintaining manageable gradients for construction and maintenance access. The land in these areas is generally well-consolidated and offers excellent stability for mounting systems. The zone between Arsenal and Goodlands presents another promising area, where former agricultural land provides large, relatively unobstructed parcels. The topography here is characterized by broad, gently sloping fields with minimal natural obstacles such as ravines or rocky outcrops that would complicate installation. Areas closer to the coast, while having favorable flat terrain, would be less suitable due to salt air exposure, potential storm surge concerns, and the valuable nature of coastal land for other development purposes. The immediate coastal zone also tends to have more variable microclimates that could affect solar panel performance and longevity.

Citation Guide

Article Details for Citation

Tell Us About Your Work

We love seeing how our research helps others! If you've cited this article in your work, we'd be delighted to hear about it. Drop us a line via our Contact Us page or on X, to share where you've used our information - we may feature a link to your work on our site. This helps create a network of valuable resources for others in the solar energy community and helps us understand how our research is contributing to the field. Plus, we occasionally highlight exceptional works that reference our research on our social media channels.

Feeling generous?

Share this with your friends!

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.