Comendador, Elías Piña, Dominican Republic presents a highly favorable location for year-round solar energy generation, with consistently strong solar output throughout all seasons due to its tropical positioning.

Solar Energy Performance

The solar energy production at this location demonstrates excellent consistency across the year. Summer months deliver the highest output at 6.93 kWh per day per kW of installed solar capacity, closely followed by spring at 6.84 kWh per day. Even during the lower-performing seasons of autumn and winter, production remains robust at 5.86 kWh and 5.68 kWh per day respectively. This relatively small seasonal variation of only 1.25 kWh between peak and minimum production makes Comendador an ideal location for solar installations. The consistently high output means solar systems can reliably meet energy demands throughout the year without significant seasonal drops in performance.

Optimal Installation Configuration

For maximum year-round energy production, solar panels should be installed at a fixed tilt angle of 17 degrees facing south. This angle has been calculated to optimize total annual solar collection by accounting for the sun's changing position throughout the year and weighting for the varying solar irradiance levels across seasons.

Environmental and Weather Factors

Several local factors could potentially impact solar energy production in Comendador and require consideration during installation:

• Tropical storms and hurricanes: The Dominican Republic lies within the Atlantic hurricane belt, with the hurricane season typically running from June through November
• Heavy rainfall during wet season: Intense tropical downpours can temporarily reduce solar output and may cause water accumulation on panels
• High humidity and salt air: The tropical climate and proximity to coastal areas can accelerate corrosion of metal components
• Dust and debris accumulation: Dry season conditions can lead to dust buildup on panel surfaces

Preventative Measures for Optimal Performance

To maximize energy production and system longevity, several installation strategies should be implemented: Storm Protection: Install panels with reinforced mounting systems designed to withstand high winds. Use hurricane-rated racking systems and ensure proper structural engineering calculations for wind loads. Consider micro-inverters or power optimizers to minimize system-wide outages if individual panels are damaged. Drainage and Cleaning: Design installations with adequate panel spacing and tilt to promote natural water runoff and self-cleaning during rain events. Install accessible cleaning systems or plan for regular professional cleaning services, particularly important during dry periods when dust accumulation peaks. Corrosion Resistance: Select marine-grade aluminum racking and stainless steel hardware specifically rated for tropical coastal environments. Apply protective coatings to all metal components and ensure proper grounding systems to prevent galvanic corrosion. Maintenance Access: Design systems with safe access routes for regular inspection and maintenance, particularly important given the potential for weather-related damage and the need for periodic cleaning in the tropical environment. These preventative measures will help ensure that solar installations in Comendador can consistently achieve the excellent energy production potential that the location's favorable solar conditions provide.

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

Link: Solar PV potential in Dominican Republic by location

Solar output per kW of installed solar PV by season in Comendador

Seasonal solar PV output for Latitude: 18.8742, Longitude: -71.7051 (Comendador, Dominican Republic), 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 Comendador, Dominican Republic

To maximize your solar PV system's energy output in Comendador, Dominican Republic (Lat/Long 18.8742, -71.7051) 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 Comendador, Dominican Republic

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 Comendador, Dominican Republic. 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
3° 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 Comendador, Dominican Republic

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 Comendador, Dominican Republic.

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 Comendador, Dominican Republic

Topographical Features of the Comendador Region

The area surrounding Comendador in the Dominican Republic presents a diverse and challenging topographical landscape that significantly influences land use planning and development opportunities. Located in the western province of Elías Piña, near the border with Haiti, this region sits within the complex mountainous terrain that characterizes much of Hispaniola's interior. The immediate vicinity of Comendador is dominated by the foothills and lower slopes of the Cordillera Central, the island's primary mountain range. These elevated areas create a series of rolling hills and moderate slopes that extend in multiple directions from the town center. The terrain gradually rises toward the southeast, where higher peaks of the central mountain system create more dramatic elevation changes and steeper gradients. To the north and northwest of Comendador, the landscape transitions into somewhat gentler terrain, though still maintaining the characteristic undulating nature of the region. Small valleys and intermittent flat areas are interspersed throughout this zone, creating pockets of more manageable topography. The Artibonite River valley system influences the northern areas, contributing to the formation of relatively level corridors that cut through the otherwise hilly terrain.

Optimal Areas for Large-Scale Solar Development

The most promising locations for substantial solar photovoltaic installations lie primarily to the north and northwest of Comendador, where the terrain becomes more accommodating for large-scale construction projects. These areas benefit from reduced slope angles and more extensive flat or gently rolling surfaces that can accommodate the infrastructure requirements of major solar facilities. The river valley corridors present particularly attractive opportunities, as they offer natural clearings with minimal vegetation and relatively stable ground conditions. These valleys also provide the advantage of existing access routes and proximity to potential transmission infrastructure, which are crucial considerations for utility-scale solar development. Areas situated approximately five to ten kilometers northwest of the town center show the greatest potential, where the landscape opens into broader, less fragmented terrain. These zones maintain sufficient elevation to avoid flood-prone areas while offering the expansive, relatively level surfaces necessary for efficient solar panel deployment and maintenance access. The southeastern approaches toward the higher mountains should generally be avoided for large installations due to increasing slope angles, potential shading from adjacent ridges, and the practical challenges of construction and maintenance in more rugged terrain. Similarly, the immediate valley bottoms, while flat, may present drainage concerns and seasonal accessibility issues that could complicate long-term solar facility operations.

Dominican Republic solar PV Stats as a country

Dominican Republic ranks 49th in the world for cumulative solar PV capacity, with 490 total MW's of solar PV installed. Each year Dominican Republic is generating 45 Watts from solar PV per capita (Dominican Republic ranks 53rd in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in Dominican Republic?

Yes, there are incentives for businesses wanting to install solar energy in the Dominican Republic. The government offers a range of incentives including tax credits, grants and loans to encourage businesses to invest in renewable energy sources such as solar power. Additionally, the Dominican Republic has implemented a net metering system which allows businesses to sell excess electricity generated from their solar systems back into the grid at retail rates.

Do you have more up to date information than this on incentives towards solar PV projects in Dominican Republic? Please reach out to us and help us keep this information current. Thanks!

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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.