Rouge Terre, Pamplemousses District, Mauritius, situated in the tropics at coordinates -20.0412, 57.5656, offers a promising location for solar PV energy generation throughout the year. The consistent sunlight typical of tropical regions contributes to its potential as a solar energy hub.

Seasonal Solar Output

The solar energy production at Rouge Terre varies across the meteorological seasons. Summer stands out as the most productive period, with an impressive 7.76 kWh per day for each kilowatt of installed solar capacity. Spring follows closely, generating 7.18 kWh/day. Autumn sees a moderate decrease to 5.47 kWh/day, while winter experiences the lowest output at 4.67 kWh/day.

Ideal Generation Periods

The most favorable times for solar energy generation in Rouge Terre are during the summer and spring months. These seasons benefit from longer daylight hours and more direct sunlight, resulting in higher energy yields. However, it's worth noting that even during the less productive autumn and winter seasons, the output remains relatively substantial due to the location's tropical climate.

Optimal Panel Tilt

For fixed panel installations in Rouge Terre, Pamplemousses District, the ideal tilt angle to maximize year-round solar production is 17 degrees facing North. This angle has been calculated to optimize energy capture throughout the year, taking into account the location's latitude and the sun's path across the sky.

Environmental Considerations

While Rouge Terre generally offers favorable conditions for solar energy production, there are a few environmental factors to consider: 1. Tropical cyclones: Mauritius is susceptible to cyclones, which can potentially damage solar installations. 2. Salt spray: Given its proximity to the ocean, salt corrosion could affect solar equipment over time. 3. High humidity: The tropical climate's humidity might impact the efficiency of some solar components.

Preventative Measures

To mitigate these environmental challenges and ensure optimal energy production, several preventative measures can be implemented: 1. Use cyclone-resistant mounting systems and high-quality, durable panels designed to withstand strong winds. 2. Apply corrosion-resistant coatings to protect against salt spray damage. 3. Opt for solar equipment specifically designed for high-humidity environments. 4. Implement regular maintenance schedules to clean panels and check for any salt or humidity-related issues. By taking these precautions, solar installations in Rouge Terre can maximize their energy production potential and longevity, making the most of this location's favorable solar conditions.

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 Rouge Terre

Seasonal solar PV output for Latitude: -20.0412, Longitude: 57.5656 (Rouge Terre, 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 Rouge Terre, Mauritius

To maximize your solar PV system's energy output in Rouge Terre, Mauritius (Lat/Long -20.0412, 57.5656) 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 Rouge Terre, 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 Rouge Terre, 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	26° North in Autumn	36° 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 Rouge Terre, 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 Rouge Terre, 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 Rouge Terre, Mauritius

The topography around Rouge Terre, Mauritius, is characterized by a diverse landscape that reflects the island's volcanic origins. This area, located in the northern part of Mauritius, features a mix of gently rolling hills, small plateaus, and coastal plains. The terrain gradually rises from the nearby coastline, creating a series of undulating slopes that are typical of the island's interior. Rouge Terre itself is situated in a relatively flat area, surrounded by low-lying hills and agricultural land. The nearby landscape is dotted with sugar cane fields, which have been a significant part of Mauritius' agricultural heritage for centuries. These fields contribute to the area's patchwork appearance when viewed from above. To the east of Rouge Terre, the land slopes gently towards the coast, where it meets the turquoise waters of the Indian Ocean. This coastal region is marked by sandy beaches and small bays, interspersed with rocky outcrops that add character to the shoreline.

Suitable Areas 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 ideal locations would combine flat or gently sloping terrain, good sun exposure, and minimal environmental impact. The agricultural lands surrounding Rouge Terre present potential opportunities for solar PV development. These areas are already cleared and relatively flat, which would minimize the need for extensive land preparation. The existing sugar cane fields, if repurposed, could provide ample space for solar panel arrays without significant disruption to natural habitats. The small plateaus found in the vicinity of Rouge Terre could also be suitable for solar PV installations. These elevated areas often receive consistent sunlight throughout the day, which is crucial for maximizing solar energy production. Additionally, their slightly higher altitude may reduce the risk of shading from surrounding vegetation or structures. Coastal plains to the east of Rouge Terre might also be considered for solar PV projects. These areas typically have unobstructed views of the sky, ensuring optimal sun exposure. However, careful planning would be necessary to avoid any negative impacts on the coastal ecosystem and to protect the installations from potential sea spray and storm surges. It's important to note that any large-scale solar PV development in this region would need to carefully balance energy production goals with environmental conservation and land use considerations. Mauritius, being a small island nation, must thoughtfully manage its limited land resources while pursuing renewable energy initiatives.

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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.