Grand Baie, Rivière du Rempart District, Mauritius, situated at latitude -20.0147 and longitude 57.5788, offers a promising location for solar energy generation throughout the year. This tropical paradise experiences consistent sunlight, with its seasons characterized more by wet and dry periods rather than traditional temperature-based seasons.

Seasonal Solar Performance

The solar energy potential in Grand Baie varies across the meteorological seasons. Summer sees the highest output at 7.76 kWh per day for each kilowatt of installed solar capacity. Spring follows closely with 7.18 kWh/day. Autumn and winter show lower but still significant outputs at 5.47 kWh/day and 4.67 kWh/day, respectively.

Optimal Times for Solar Generation

The most ideal periods for solar energy production in Grand Baie are during the summer and spring months. These seasons offer longer daylight hours and more direct sunlight, resulting in higher energy yields. However, the relatively small variation between seasons suggests that solar panels can generate substantial energy year-round.

Panel Tilt Angle

For fixed panel installations in Grand Baie, Rivière du Rempart District, the optimal tilt angle to maximize year-round solar production is 17 degrees facing North. This angle takes into account the location's latitude and the sun's position throughout the year, ensuring the panels capture the most sunlight possible across all seasons.

Environmental Considerations

While Grand Baie's tropical climate is generally favorable for solar energy production, there are some environmental factors to consider: 1. Cyclones: Mauritius is susceptible to tropical cyclones, which could potentially damage solar installations. 2. Salt corrosion: The proximity to the ocean may lead to salt spray, which can corrode solar equipment over time. To mitigate these risks, preventative measures can be taken during installation:

• Use cyclone-resistant mounting systems and high-quality, corrosion-resistant materials
• Install protective barriers or windbreaks around the solar array
• Implement regular cleaning and maintenance routines to prevent salt buildup
• Consider micro-inverter systems, which can help maintain overall system performance even if individual panels are affected

By addressing these factors, solar installations in Grand Baie can harness the location's excellent solar potential while ensuring longevity and consistent energy production.

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 Grand Baie

Seasonal solar PV output for Latitude: -20.0147, Longitude: 57.5788 (Grand Baie, 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 Grand Baie, Mauritius

To maximize your solar PV system's energy output in Grand Baie, Mauritius (Lat/Long -20.0147, 57.5788) 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 Grand Baie, 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 Grand Baie, 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 Grand Baie, 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 Grand Baie, 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 Grand Baie, Mauritius

Grand Baie, located in the northern part of Mauritius, is characterized by a diverse and picturesque topography. The area surrounding this popular tourist destination features a mix of gently rolling hills, coastal plains, and beautiful sandy beaches. The landscape gradually rises from sea level along the coastline to low-lying hills further inland, creating a subtle but noticeable change in elevation. The coastal region of Grand Baie is dominated by a crescent-shaped bay, which gives the area its name. The shoreline is lined with pristine white sand beaches, interspersed with rocky outcrops and small coves. Just beyond the beach, the land transitions into a narrow coastal plain, where much of the town's development and tourism infrastructure is concentrated. As you move inland from the coast, the terrain becomes more undulating, with gentle slopes and small hills. These hills are generally not very high, typically ranging from 30 to 100 meters above sea level. The hillsides are often covered with lush tropical vegetation, including native forests and agricultural plantations, primarily sugar cane fields.

Potential Areas for Large-Scale Solar PV

When considering areas nearby Grand Baie for large-scale solar PV installations, several factors come into play, including available land, sun exposure, and minimal environmental impact. The most suitable locations would likely be found in the inland areas, away from the densely populated coastal region and tourist zones. The gently sloping hillsides to the south and southeast of Grand Baie present promising opportunities for solar PV development. These areas typically receive ample sunlight throughout the year and offer relatively flat or mildly inclined surfaces that are ideal for solar panel installation. Additionally, many of these locations are currently used for agriculture, particularly sugar cane cultivation, which could potentially be repurposed or integrated with solar farms. Another potential area for large-scale solar PV would be the more open, less developed regions to the southwest of Grand Baie. These areas often feature larger tracts of land with fewer obstacles to sunlight, making them suitable for expansive solar installations. However, care must be taken to balance energy production needs with environmental conservation efforts, as some of these areas may contain important habitats or ecosystems. It's important to note that any large-scale solar PV project in the vicinity of Grand Baie would need to be carefully planned and executed to minimize its impact on the local tourism industry, which is a crucial part of the region's economy. Proper siting, design, and integration with the landscape would be essential to ensure that solar installations do not detract from the area's natural beauty and appeal to visitors.

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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.