Aguadilla, Puerto Rico, located at 18.4264° N, 67.1561° W, presents a favorable environment for solar energy generation throughout the year. This tropical location benefits from consistent sunlight, with seasons primarily characterized by wet and dry periods rather than significant temperature variations.
Solar Energy Potential
The solar energy output in Aguadilla varies slightly across the seasons. Spring offers the highest production at 7.14 kWh per day for each kilowatt of installed solar capacity. Summer follows closely with 6.74 kWh/day, while autumn and winter see slightly lower outputs at 6.03 kWh/day and 5.48 kWh/day, respectively. These figures indicate that Aguadilla maintains strong solar potential year-round, with only modest fluctuations between seasons. The relatively small difference between the highest and lowest seasonal outputs (about 1.66 kWh/day) suggests a stable and reliable solar resource throughout the year.Optimal Panel Placement
For fixed solar panel installations in Aguadilla, the ideal tilt angle to maximize year-round energy production is 17 degrees facing south. This angle takes into account the location's latitude and the sun's position throughout the year, ensuring optimal exposure to sunlight across all seasons.Environmental Considerations
While Aguadilla's tropical climate is generally conducive to solar energy production, there are some environmental factors to consider: 1. Hurricane risk: Puerto Rico is vulnerable to hurricanes, which can potentially damage solar installations. 2. High humidity: The tropical climate can lead to increased moisture, potentially affecting solar panel efficiency over time. To mitigate these risks, solar installations in Aguadilla should incorporate:- Robust mounting systems designed to withstand high winds
- Corrosion-resistant materials to combat humidity
- Regular maintenance to ensure optimal performance
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 42 locations across Puerto Rico. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.
Link: Solar PV potential in Puerto Rico by location
Solar output per kW of installed solar PV by season in Aguadilla
Seasonal solar PV output for Latitude: 18.4264, Longitude: -67.1561 (Aguadilla, Puerto Rico), 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° South in Aguadilla, Puerto Rico
To maximize your solar PV system's energy output in Aguadilla, Puerto Rico (Lat/Long 18.4264, -67.1561) throughout the year, you should tilt your panels at an angle of 17° 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 Aguadilla, Puerto Rico
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 Aguadilla, Puerto Rico. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 17° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 2° South in Summer | 24° South in Autumn | 34° South in Winter | 12° 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 Aguadilla, Puerto Rico
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 Aguadilla, Puerto Rico.
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 Aguadilla, Puerto Rico
The topography around Aguadilla, Puerto Rico, is characterized by a mix of coastal plains and rolling hills. The city itself is situated on the northwestern coast of the island, with the Atlantic Ocean to its north and west. The immediate coastal area is relatively flat, with sandy beaches and low-lying land.
As you move inland from the coast, the terrain gradually becomes more hilly. These hills are part of the larger Cordillera Central mountain range that runs through the center of Puerto Rico. However, the hills near Aguadilla are not as steep or high as those found in the island's interior. The landscape is generally undulating, with gentle slopes and valleys interspersed with small plateaus.
To the south and southeast of Aguadilla, the terrain becomes more varied, with a mix of agricultural lands, forested areas, and some steeper hillsides. Rivers and streams cut through the landscape, creating small valleys and contributing to the overall topographic diversity of the region.
Regarding areas nearby that would be most suited for large-scale solar PV (photovoltaic) installations, the best locations would likely be found in the flatter areas south and southeast of Aguadilla. These regions offer several advantages for solar energy production:
1. The relatively flat terrain in these areas would make construction and maintenance of solar panels easier and more cost-effective.
2. These locations are slightly inland, which may reduce the risk of damage from coastal storms and salt spray, both of which can be detrimental to solar equipment.
3. The open, agricultural lands in this region typically have fewer obstructions that could cast shadows on solar panels, maximizing their exposure to sunlight throughout the day.
4. These areas are close enough to Aguadilla and other nearby communities to make power distribution feasible, while still being far enough from densely populated areas to allow for large-scale installations.
It's important to note that any specific site selection for solar PV would require detailed environmental and engineering studies to ensure optimal placement and minimal impact on local ecosystems and communities.
Puerto Rico solar PV Stats as a country
Puerto Rico ranks 48th in the world for cumulative solar PV capacity, with 491 total MW's of solar PV installed. Each year Puerto Rico is generating 154 Watts from solar PV per capita (Puerto Rico ranks 33rd in the world for solar PV Watts generated per capita). [source]
Are there incentives for businesses to install solar in Puerto Rico?
Yes, there are several incentives for businesses wanting to install solar energy in Puerto Rico. The Puerto Rico Energy Commission (PREC) offers a net metering program that allows businesses to receive credits on their electricity bills for the excess energy they generate from their solar systems. Additionally, businesses may be eligible for federal tax credits and accelerated depreciation benefits. The PREC also provides grants and loans to help offset the cost of installing solar systems.
Do you have more up to date information than this on incentives towards solar PV projects in Puerto Rico? Please reach out to us and help us keep this information current. Thanks!
Citation Guide
Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Saturday 27th of July 2024
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.




