Arouca, Tunapuna/Piarco, located in Trinidad and Tobago, presents a promising location for solar energy generation. Situated in the tropics, this area benefits from consistent sunlight throughout the year, with seasons primarily characterized by wet and dry periods rather than traditional temperature-based seasons.
Year-round Solar Potential
The solar energy potential in Arouca remains relatively stable across all seasons. The expected electricity output per kilowatt of installed solar panels ranges from 5.46 kWh/day in winter to 6.01 kWh/day in autumn. Spring and summer also show strong performance with 5.94 kWh/day and 5.75 kWh/day, respectively.
This consistent output throughout the year makes Arouca an ideal location for solar PV installations. The minimal variation between seasons ensures a reliable energy supply, reducing the need for supplementary power sources during specific times of the year.
Optimal Panel Positioning
For fixed panel installations in Arouca, Tunapuna/Piarco, the ideal tilt angle to maximize year-round solar production is 10 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 Considerations
While Arouca's tropical climate is generally favorable for solar energy production, there are some environmental factors to consider:
- Heavy rainfall during the wet season
- Potential for tropical storms or hurricanes
To mitigate these challenges, solar installations should incorporate robust mounting systems capable of withstanding strong winds. Additionally, implementing effective drainage systems around the panels can help manage heavy rainfall and reduce the risk of water damage.
Regular cleaning and maintenance of the panels is also crucial to prevent the accumulation of dust and debris, which can be more prevalent in tropical environments. This will help ensure consistent energy production throughout the year.
Overall, with proper planning and preventative measures, Arouca presents an excellent opportunity for solar energy production, offering consistent and substantial output year-round.
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 Arouca
Seasonal solar PV output for Latitude: 10.6315, Longitude: -61.3302 (Arouca, 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 Arouca, Trinidad And Tobago
To maximize your solar PV system's energy output in Arouca, Trinidad And Tobago (Lat/Long 10.6315, -61.3302) 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 Arouca, 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 Arouca, 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 Arouca, 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 Arouca, 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 Arouca, Trinidad And Tobago
The area surrounding Arouca in Trinidad and Tobago is characterized by a diverse and picturesque topography. Located in the northern part of Trinidad, Arouca sits at the foothills of the Northern Range, a mountain chain that runs along the island's northern coast. This region features a mix of gently rolling hills, lush valleys, and some steeper slopes as one moves closer to the mountains. To the south and east of Arouca, the landscape gradually transitions into more level terrain, with expansive plains and subtle undulations. These areas are part of the East-West Corridor, a densely populated region that stretches across the northern part of Trinidad. The flatter sections are interspersed with small rivers and streams that flow from the Northern Range towards the coast.
Suitable Areas for Large-Scale Solar PV
When considering locations for large-scale solar photovoltaic (PV) installations near Arouca, the flatter areas to the south and east would be most suitable. These regions offer several advantages for solar energy development: Firstly, the relatively level terrain in these areas would require minimal land preparation, reducing construction costs and environmental impact. The absence of significant slopes also means that solar panels can be easily aligned for optimal sun exposure throughout the day. Secondly, these areas tend to have fewer obstructions that could cast shadows on solar panels, such as tall trees or buildings. This unobstructed access to sunlight is crucial for maximizing energy production from solar PV systems. Lastly, the proximity to the East-West Corridor provides good access to existing infrastructure, including roads and electrical grids. This accessibility would facilitate the construction process and make it easier to connect the solar installations to the power distribution network. It's important to note, however, that any large-scale solar PV project would need to carefully consider land use issues, as the East-West Corridor is a heavily populated area. Identifying suitable parcels of land that are not already dedicated to agriculture, housing, or other essential uses would be a critical step in the planning process.Citation Guide
Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Thursday 27th of March 2025
Last Updated: Monday 21st of July 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.
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.




