Saint Michael, Barbados, located at 13.1229°N, -59.596°E, offers an excellent year-round location for generating energy via solar photovoltaic (PV) systems. This tropical paradise benefits from consistent sunlight throughout most of the year, with seasons characterized more by wet and dry periods than significant temperature variations.

Solar Energy Production Throughout the Year

The solar energy production at this location remains relatively stable across all seasons, with only minor fluctuations:

• Spring: 6.94 kWh/day
• Summer: 6.59 kWh/day
• Autumn: 6.46 kWh/day
• Winter: 5.96 kWh/day

Spring emerges as the most productive season, while winter sees a slight dip in energy output. However, the difference between the highest and lowest producing seasons is less than 1 kWh/day, indicating consistent solar potential throughout the year.

Optimal Panel Tilt Angle

For fixed panel installations in Saint Michael, the ideal tilt angle to maximize year-round solar PV production is 12 degrees facing South. This angle takes into account the location's latitude and the Earth's elliptical orbit, ensuring optimal exposure to sunlight throughout the year.

Environmental and Weather Considerations

While Saint Michael's tropical climate is generally favorable for solar energy production, there are a few factors to consider: Hurricanes and tropical storms can pose a threat to solar installations, particularly during the Atlantic hurricane season (June to November). To mitigate this risk, it's crucial to use high-quality, wind-resistant mounting systems and panels designed to withstand extreme weather conditions. Salt air corrosion is another concern due to the coastal location. Selecting corrosion-resistant materials for all components of the solar PV system, including panels, frames, and wiring, can help extend the system's lifespan and maintain efficiency. Occasional periods of increased cloudiness during the wet season may slightly reduce solar output. However, modern solar panels are designed to perform well even in diffuse light conditions, minimizing the impact of cloud cover on overall energy production. By addressing these factors during the installation process, solar PV systems in Saint Michael can achieve optimal performance and longevity, making the most of the location's excellent solar potential.

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

Link: Solar PV potential in Barbados by location

Solar output per kW of installed solar PV by season in Saint Michael

Seasonal solar PV output for Latitude: 13.1229, Longitude: -59.596 (Saint Michael, Barbados), 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 12° South in Saint Michael, Barbados

To maximize your solar PV system's energy output in Saint Michael, Barbados (Lat/Long 13.1229, -59.596) throughout the year, you should tilt your panels at an angle of 12° 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 Saint Michael, Barbados

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 Saint Michael, Barbados. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 12° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
3° North in Summer	19° South in Autumn	29° South in Winter	7° 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 Saint Michael, Barbados

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 Saint Michael, Barbados.

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 Saint Michael, Barbados

The topography around Saint Michael, Barbados, is characterized by gently rolling hills and coastal plains. This parish, located on the southwestern coast of Barbados, features a mix of urban areas and rural landscapes. The terrain gradually rises from the coastline, forming a series of low-lying hills and plateaus as you move inland.

The coastal areas of Saint Michael are relatively flat, with sandy beaches and small cliffs in some sections. As you move away from the coast, the land begins to rise, creating a series of terraces and gentle slopes. These elevations are generally modest, with most hills reaching heights of no more than 100 to 200 meters above sea level.

The interior of Saint Michael and neighboring parishes consists of a limestone plateau, which is part of the larger coral limestone formation that makes up much of Barbados. This plateau is punctuated by shallow valleys and gullies, formed over time by water erosion. The landscape is dotted with small farms, residential areas, and patches of tropical vegetation.

Regarding areas suitable for large-scale solar PV installations, the gently sloping terrain and open spaces in the interior of Saint Michael and adjacent parishes offer potential locations. The central and eastern parts of Barbados, including portions of Saint George, Saint Thomas, and Saint Philip parishes, may be particularly well-suited for solar projects. These areas typically have:

• More open, undeveloped land
• Slightly higher elevations, which can reduce the impact of coastal salt spray on solar panels
• Good sun exposure with fewer tall buildings or dense vegetation to cast shadows

However, it's important to note that Barbados is a small, densely populated island with limited available land. Any large-scale solar PV project would need to carefully consider land use conflicts, environmental impacts, and the island's unique geological characteristics. Additionally, the entire island generally receives abundant sunshine, so smaller-scale distributed solar installations on rooftops and existing structures could be a viable alternative to large, centralized solar farms.

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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.