El Tarra, Norte de Santander Department, Colombia presents a highly favorable location for year-round solar energy generation, with consistently strong performance across all seasons. The solar output data shows remarkably stable electricity production throughout the year, ranging from 5.41 kWh per day per kW of installed capacity in autumn to 5.80 kWh per day per kW during summer months.

Seasonal Performance Analysis

Summer emerges as the peak solar generation season at El Tarra, Norte de Santander Department, delivering 5.80 kWh/day per kW of installed solar capacity. Winter follows closely behind with 5.66 kWh/day per kW, demonstrating the location's tropical advantage where seasonal variations in solar intensity remain minimal. Spring and autumn show slightly lower but still excellent production levels at 5.44 kWh/day per kW and 5.41 kWh/day per kW respectively. This consistent performance throughout the year makes El Tarra an ideal location for solar installations, as energy production remains reliable regardless of season. The variation between the highest and lowest producing seasons is only about 7%, which is exceptionally small compared to temperate climate locations. For optimal energy capture at this location, solar panels should be installed at a fixed tilt angle of 8 degrees facing south. This angle has been calculated to maximize total year-round production by accounting for the sun's path throughout the year, daily solar elevation angles, and weighting these factors against actual solar irradiance data.

Environmental and Weather Considerations

Several environmental factors in El Tarra could potentially impact solar energy production and require careful consideration during installation planning. Humidity and Moisture: The tropical climate brings high humidity levels year-round, which can lead to moisture infiltration in electrical components and accelerated corrosion of metal mounting systems. This humidity can also contribute to more frequent soiling of panels from organic growth like algae or mold. Heavy Rainfall: During wet seasons, intense tropical downpours can create challenges for solar installations. While rain can help clean panels naturally, excessive moisture can stress electrical connections and mounting hardware over time. Vegetation Growth: The lush tropical environment means rapid vegetation growth that could create shading issues if not properly managed. Trees and plants can quickly grow to obstruct solar panels, significantly reducing energy production.

Preventative Measures for Optimal Performance

To ensure maximum energy production despite these environmental challenges, several installation strategies should be implemented:

• Use marine-grade or tropical-rated electrical components and wiring designed to withstand high humidity and moisture exposure
• Install robust waterproof junction boxes and ensure all electrical connections are properly sealed
• Choose corrosion-resistant mounting systems made from aluminum or galvanized steel with appropriate protective coatings
• Implement proper drainage systems around ground-mounted installations to prevent water pooling
• Plan for regular vegetation management and maintain clear sight lines to prevent shading

Regular maintenance becomes particularly important in this tropical environment. Panel cleaning schedules should account for faster accumulation of organic matter, and electrical connections should be inspected more frequently than in drier climates. Despite these considerations, El Tarra's consistent solar resource makes it an excellent location for solar energy generation. With proper installation techniques and maintenance practices tailored to the tropical environment, solar installations can achieve their full potential while maintaining long-term reliability and 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 173 locations across Colombia. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Colombia by location

Solar output per kW of installed solar PV by season in El Tarra

Seasonal solar PV output for Latitude: 8.5743, Longitude: -73.0917 (El Tarra, Colombia), 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 8° South in El Tarra, Colombia

To maximize your solar PV system's energy output in El Tarra, Colombia (Lat/Long 8.5743, -73.0917) throughout the year, you should tilt your panels at an angle of 8° 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 El Tarra, Colombia

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 El Tarra, Colombia. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 8° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
7° North in Summer	14° South in Autumn	24° South in Winter	2° 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 El Tarra, Colombia

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 El Tarra, Colombia.

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 El Tarra, Colombia

Topographical Features of El Tarra Region

El Tarra is situated in the Norte de Santander department of Colombia, positioned within the eastern foothills of the Cordillera Oriental, one of Colombia's three major Andean mountain ranges. The terrain around El Tarra is characterized by a transitional landscape where the mountainous Andean slopes gradually give way to the expansive plains of the Orinoco Basin to the east. The immediate vicinity of El Tarra features rolling hills and moderate slopes, with elevations ranging from approximately 200 to 800 meters above sea level. The topography is marked by numerous river valleys and drainage channels that flow eastward toward the Catatumbo River system. These waterways have carved out a landscape of gentle ridges and valleys, creating a mosaic of elevated plateaus interspersed with lower-lying areas. The western portions of the region tend to be more mountainous, with steeper gradients and more pronounced elevation changes as the land rises toward the main Andean ridge. Moving eastward from El Tarra, the terrain becomes progressively flatter and more suitable for large-scale development projects, as it approaches the extensive plains that characterize much of eastern Colombia.

Vegetation and Land Use Patterns

The natural vegetation in the El Tarra area reflects its position in the tropical zone, with a mix of humid forest remnants and areas that have been converted to agricultural use. Much of the original forest cover has been cleared over the decades for cattle ranching and crop cultivation, particularly in the flatter, more accessible areas. The cleared agricultural lands and pasturelands now dominate much of the landscape, creating open spaces with minimal tree cover. These areas typically feature grasslands used for cattle grazing, along with some crop cultivation including rice, corn, and various tropical fruits. The remaining forested areas are generally found on steeper slopes and in less accessible locations.

Most Suitable Areas for Large-Scale Solar Development

The eastern sections of the El Tarra region present the most favorable conditions for large-scale solar photovoltaic installations. These areas benefit from relatively flat terrain with gentle slopes that would minimize the need for extensive site preparation and grading work. The open pasturelands and agricultural areas in this eastern zone offer large contiguous parcels of land with minimal vegetation that would require clearing. The elevated plateaus scattered throughout the region also represent excellent opportunities for solar development. These naturally flat or gently sloping areas often provide good drainage and are typically already cleared of forest cover. Their elevated position can offer advantages in terms of reduced flooding risk and potentially better wind circulation for cooling solar panels. Areas closer to existing agricultural infrastructure would be particularly advantageous, as they often have better road access and may already have some electrical infrastructure in place. The flatter terrain toward the Catatumbo River valley, while potentially offering large development areas, would require careful consideration of seasonal flooding patterns and drainage requirements. The transitional zone between the mountainous western areas and the eastern plains offers a good compromise, providing reasonably flat terrain while maintaining good drainage characteristics. These areas typically feature the cleared pasturelands that would minimize environmental impact while offering the space needed for utility-scale solar installations.

Colombia solar PV Stats as a country

Colombia ranks 74th in the world for cumulative solar PV capacity, with 184 total MW's of solar PV installed. Each year Colombia is generating 4 Watts from solar PV per capita (Colombia ranks 81st in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in Colombia?

Yes, there are several incentives for businesses wanting to install solar energy in Colombia. The Colombian government offers a range of financial incentives and tax breaks for businesses that invest in renewable energy projects. These include grants, loans, and subsidies for the purchase of equipment and installation costs. Additionally, businesses can benefit from net metering policies which allow them to sell excess electricity generated by their solar systems back to the grid at a premium rate. Finally, businesses may also be eligible for additional benefits such as reduced import duties on solar equipment or accelerated depreciation allowances on investments in renewable energy projects.

Do you have more up to date information than this on incentives towards solar PV projects in Colombia? 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.