Cunupia, Chaguanas, Trinidad and Tobago offers excellent conditions for year-round solar energy generation, making it a highly suitable location for solar PV installations. Located in the tropics at coordinates 10.5507°N, -61.3659°W, this area benefits from consistent sunlight throughout the year, with seasonal variations characterized more by wet and dry periods than the traditional four seasons experienced in temperate climates.
Solar Energy Production Potential
The solar energy output data for Cunupia demonstrates strong and consistent performance across all seasons. Autumn emerges as the most productive period, generating 6.01 kWh per day per kW of installed solar capacity. Spring follows closely with 5.95 kWh/day per kW, while summer produces 5.76 kWh/day per kW. Winter shows the lowest output at 5.44 kWh/day per kW, though this still represents robust energy generation. For optimal year-round performance, solar panels should be installed at a fixed tilt angle of 10 degrees facing south. This angle maximizes total annual solar production by accounting for the sun's path throughout the year and the location's proximity to the equator.Environmental and Weather Challenges
Several local factors could potentially impact solar energy production in Cunupia, Chaguanas, though most can be effectively managed with proper planning and installation techniques. The tropical climate brings significant rainfall during wet seasons, which can temporarily reduce solar output due to cloud cover. However, rain also provides a natural cleaning effect for solar panels, helping to remove dust and debris that might otherwise accumulate and reduce efficiency. Humidity levels in Trinidad and Tobago remain consistently high throughout the year. This can lead to moisture-related issues with electrical components if proper sealing and ventilation are not implemented during installation.Preventative Measures for Optimal Performance
To ensure maximum energy production despite these environmental challenges, several installation considerations should be implemented:- Use marine-grade electrical components and connections designed to withstand high humidity and salt air exposure
- Install proper drainage systems to prevent water accumulation around panel mounting structures
- Ensure adequate ventilation behind panels to reduce heat buildup and moisture retention
- Apply anti-corrosion treatments to all metal mounting hardware
- Design systems with appropriate surge protection to handle electrical storms common in tropical regions
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 Cunupia
Seasonal solar PV output for Latitude: 10.5507, Longitude: -61.3659 (Cunupia, 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:
 
Ideally tilt fixed solar panels 10° South in Cunupia, Trinidad And Tobago
To maximize your solar PV system's energy output in Cunupia, Trinidad And Tobago (Lat/Long 10.5507, -61.3659) 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.
Seasonally adjusted solar panel tilt angles for Cunupia, 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 Cunupia, 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 |
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 Cunupia, 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 Cunupia, Trinidad And Tobago.
Our calculation method
- Solar Position:
We determine the Sun's position on the Winter solstice using the location's latitude and solar declination. - Shadow Projection:
We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle. - 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 Cunupia, Trinidad And Tobago
Topographical Features of Cunupia
Cunupia sits in the heart of Trinidad's Central Range foothills, positioned within a gently undulating landscape that characterizes much of central Trinidad. The terrain around this area consists primarily of low hills and shallow valleys, with elevations ranging from approximately 50 to 200 meters above sea level. The topography is relatively gentle compared to the steeper slopes found in the Northern Range mountains to the north or the more dramatic Southern Range peaks to the south.
The local landscape features a series of rounded hills separated by broad, shallow valleys that drain toward both the Caroni River system to the west and smaller tributaries flowing eastward. These hills are remnants of ancient geological formations, weathered over millennia into the softly contoured terrain visible today. The slopes are generally moderate, rarely exceeding gradients that would pose significant challenges for development or infrastructure placement.
Vegetation in the area consists of a mix of secondary forest, agricultural land, and residential development. Much of the original forest cover has been cleared over the decades for farming and housing, leaving a patchwork landscape of small farms, residential plots, and regenerating woodland. The soil composition is predominantly clay-based with good drainage characteristics on the higher elevations, though lower-lying areas can experience seasonal waterlogging during the wet season.
Optimal Areas for Large-Scale Solar Development
The most suitable locations for large-scale solar photovoltaic installations around Cunupia would be the gently sloping hillsides and elevated plateaus that dot the landscape. These areas offer several advantages, including natural drainage, reduced risk of flooding, and typically clearer access to unobstructed sky views. The moderate slopes of these hills, generally facing south or southwest, would be particularly favorable for solar panel orientation.
The elevated areas between Cunupia and the communities of Longdenville to the east and Chaguanas to the west present some of the most promising terrain. These locations feature relatively flat to gently sloping land that has already been partially cleared for agriculture, reducing the environmental impact of further development. The higher elevation also provides natural wind circulation that can help maintain optimal operating temperatures for solar equipment.
Areas closer to the Caroni River and its tributaries should generally be avoided for large installations due to increased humidity, potential flooding risks, and the presence of wetland areas that serve important ecological functions. Similarly, the steeper slopes of the higher hills, while offering good solar exposure, may present engineering challenges and higher development costs that could impact project viability.
The existing road network and proximity to electrical transmission infrastructure make several sites particularly attractive from a logistical standpoint. Areas with easy access to the major highways connecting to Port of Spain and San Fernando would facilitate both construction activities and ongoing maintenance operations, while locations near existing electrical substations could reduce connection costs and complexity.
Citation Guide
Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Friday 18th of July 2025
Last Updated: Thursday 7th of August 2025
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.




