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Flag of Trinidad And TobagoSolar PV Analysis of Diego Martin, Trinidad And Tobago

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Diego Martin, Trinidad And Tobago (by season)

Solar Energy Potential in Diego Martin, Trinidad and Tobago

Diego Martin, Trinidad and Tobago, located in the Caribbean tropics, offers generally favorable conditions for solar PV energy generation throughout the year. This location experiences consistent sunlight patterns typical of tropical regions, where seasonal variations are defined more by wet and dry periods rather than temperature extremes.

Year-Round Solar Production

The solar energy production at this location shows relatively stable output across all seasons:
  • Summer: 5.76 kWh per day per kW installed
  • Autumn: 6.01 kWh per day per kW installed
  • Winter: 5.44 kWh per day per kW installed
  • Spring: 5.95 kWh per day per kW installed
Autumn emerges as the most productive season, closely followed by spring. Even during winter, which shows the lowest output, the reduction is modest compared to peak seasons, demonstrating the benefit of the tropical location's consistent solar resource. For fixed panel installations at this Diego Martin location, the ideal tilt angle to maximize year-round energy production is 10 degrees facing South. This optimal angle has been calculated by analyzing daily solar elevation patterns at this specific latitude, weighted by the solar generation potential throughout the year.

Environmental and Weather Considerations

Several factors could potentially impact solar production in Diego Martin:

Tropical Rainfall Patterns

Trinidad and Tobago experiences a distinct rainy season (approximately June to December), which can temporarily reduce solar output due to cloud cover and direct rainfall. Installing panels with high-efficiency ratings that perform better in diffuse light conditions can help mitigate these effects.

Hurricane Risk

While Trinidad and Tobago lies south of the main hurricane belt, the region can occasionally experience tropical storms. Solar installations should use hurricane-rated mounting systems with appropriate wind load calculations to ensure durability during severe weather events.

Dust and Salt Exposure

The coastal proximity means salt spray can accumulate on panels, while the tropical environment can lead to dust and pollen buildup. Regular cleaning maintenance, anti-reflective coatings, and self-cleaning panel technologies can help maintain optimal production levels.

High Humidity and Heat

The tropical climate's high humidity and heat can reduce panel efficiency and potentially accelerate degradation of components. Selecting panels with lower temperature coefficients and ensuring adequate ventilation behind panels can help maximize performance under these conditions. These environmental factors, while present, don't significantly diminish Diego Martin's overall excellent solar potential, especially when appropriate installation techniques and equipment selections are employed.

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 34 locations across Trinidad And Tobago. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Trinidad And Tobago by location

Solar output per kW of installed solar PV by season in Diego Martin

Seasonal solar PV output for Latitude: 10.7185, Longitude: -61.5721 (Diego Martin, Trinidad And Tobago), 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:

Summer
Average 5.76kWh/day in Summer.
Autumn
Average 6.01kWh/day in Autumn.
Winter
Average 5.44kWh/day in Winter.
Spring
Average 5.95kWh/day in Spring.

 

Ideally tilt fixed solar panels 10° South in Diego Martin, Trinidad And Tobago

To maximize your solar PV system's energy output in Diego Martin, Trinidad And Tobago (Lat/Long 10.7185, -61.5721) throughout the year, you should tilt your panels at an angle of 10° 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.

The sun
At Latitude: 10.7185, Longitude: -61.5721, the ideal angle to tilt panels is 10° South

Seasonally adjusted solar panel tilt angles for Diego Martin, Trinidad And Tobago

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 Diego Martin, Trinidad And Tobago. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 10° South tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
5° North in Summer 16° South in Autumn 26° South in Winter 4° South in Spring

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Diego Martin, Trinidad And Tobago as follows: In Summer, set the angle of your panels to 5° facing North. In Autumn, tilt panels to 16° facing South for maximum generation. During Winter, adjust your solar panels to a 26° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 4° angle facing South to capture the most solar energy in Diego Martin, Trinidad And Tobago.

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 Diego Martin, Trinidad And Tobago

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 Diego Martin, Trinidad And Tobago.

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.






Please enter information above to calculate panel spacing.

Topography for solar PV around Diego Martin, Trinidad And Tobago

Diego Martin is nestled in the northwestern region of Trinidad, characterized by a diverse topographical landscape that transitions from coastal plains to rolling hills and steep mountains. The area is part of the Northern Range, which forms the northernmost extension of the Andes mountain chain in South America.

The Northern Range Influence

The topography of Diego Martin is dominated by the presence of the Northern Range mountains that run east to west across the northern part of Trinidad. These mountains create a dramatic backdrop for the community, with elevations rising gradually from the coast and becoming increasingly steep as they extend northward. The highest points in this area reach approximately 300-500 meters above sea level, creating a varied terrain that includes valleys, ridges, and slopes of different gradients.

Valley Features

Diego Martin itself is situated in a valley formation, surrounded by hills on multiple sides. This valley opens toward the Gulf of Paria to the west, allowing for drainage patterns that have shaped the local landscape over time. Several small rivers and streams flow through the area, including the Diego Martin River, which has carved natural channels through the terrain on its journey from the higher elevations to the coast.

Coastal Transition

As one moves westward from Diego Martin toward the coast, the topography gradually flattens into coastal plains. These areas feature gentler slopes and more even terrain, transitioning into beaches and mangrove areas along the Gulf of Paria. The coastal regions have undergone significant development and urbanization compared to the more rugged inland areas.

Potential Areas for Solar PV Development

When considering locations for large-scale solar photovoltaic installations near Diego Martin, several factors related to topography must be evaluated: The most suitable areas for large-scale solar PV development would be the gently sloping or flat lands to the south and southwest of Diego Martin. These areas, extending toward Carenage and beyond, offer more consistent terrain with adequate exposure to sunlight throughout the day. The reduced slope gradient in these locations minimizes installation challenges and erosion concerns that might affect more mountainous sites. Abandoned agricultural lands or brownfield sites in the broader western region of Trinidad could also present opportunities for solar development. These areas typically have already been cleared of dense vegetation and have established access routes, reducing environmental impact and development costs.

Topographical Challenges

The steeper slopes of the Northern Range that border Diego Martin to the north and northeast present significant challenges for large-scale solar installations. These areas experience more frequent cloud cover due to orographic effects, where air masses are forced upward by the mountains, creating condensation and reduced solar radiation. Additionally, the installation and maintenance of solar arrays on steep terrain would increase costs substantially. The valley floors, while flatter, may experience some shading from surrounding hills during early morning and late afternoon, potentially reducing overall energy generation efficiency. Careful site-specific assessment would be necessary to identify locations with optimal sun exposure throughout the day.

Environmental Considerations

The region's topography has created distinct microclimates and ecosystems, with more humid conditions and denser vegetation in the higher elevations. Any large-scale solar development would need to balance energy production goals with environmental preservation, particularly in areas with sensitive watersheds or forests that help prevent erosion on the steeper slopes of the Northern Range. In conclusion, the varied topography around Diego Martin presents both opportunities and challenges for solar PV development. The most promising locations would be found in the more level areas to the south and west, where terrain conditions are more favorable for large-scale installations while still benefiting from the region's substantial solar resource potential.

Citation Guide

Article Details for Citation

Article: Solar PV Analysis of Diego Martin, Trinidad And Tobago
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Sunday 29th of June 2025
Last Updated: Tuesday 5th of August 2025

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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.

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