Barrancabermeja, Santander Department, Colombia presents a highly favorable location for year-round solar photovoltaic energy generation. Located in the tropics at coordinates 7.0679°N, -73.8536°W, this region benefits from consistent sunlight throughout most of the year, with seasons characterized more by wet and dry periods rather than significant variations in solar availability.

Solar Energy Production Potential

The solar energy output data for Barrancabermeja demonstrates excellent consistency across all seasons. Winter emerges as the most productive season with 5.95 kWh per day per kW of installed solar capacity, followed closely by summer at 5.67 kWh/day. Spring and autumn show nearly identical performance at 5.58 kWh/day and 5.57 kWh/day respectively. This remarkable stability in solar production throughout the year makes Barrancabermeja an ideal location for solar installations. The minimal seasonal variation means that energy planners can rely on predictable output regardless of the time of year, with winter months offering slightly enhanced performance. For optimal energy capture, solar panels should be installed at a fixed tilt angle of 7 degrees facing south. This angle has been calculated to maximize total year-round production by accounting for the sun's path throughout the year and the location's proximity to the equator.

Environmental and Weather Considerations

Several local factors could potentially impact solar energy production in Barrancabermeja and require careful consideration during installation planning. The region's tropical climate brings significant rainfall during wet seasons, which can reduce solar irradiance when heavy cloud cover persists. Additionally, high humidity levels throughout the year can lead to moisture-related issues with electrical components and may contribute to faster degradation of panel surfaces. Barrancabermeja's location in an oil-producing region means that airborne particulates and industrial emissions could accumulate on solar panels, reducing their efficiency over time. The combination of dust, oil residues, and other atmospheric pollutants can create a film on panel surfaces that blocks sunlight.

Preventative Measures for Optimal Performance

Several strategies can help maintain high solar energy production despite these environmental challenges:

• Install panels with adequate spacing and ventilation to prevent moisture buildup and allow for proper air circulation
• Use high-quality, weather-resistant mounting systems and electrical components rated for tropical conditions
• Implement regular cleaning schedules, particularly during dry seasons when dust accumulation is highest
• Consider anti-soiling coatings on panels to reduce particle adhesion and make cleaning more effective
• Install monitoring systems to quickly identify performance drops that may indicate cleaning or maintenance needs

Despite these considerations, the consistently high solar output throughout the year makes Barrancabermeja an excellent location for solar energy projects. With proper installation techniques and regular maintenance, solar installations can achieve optimal performance and provide reliable renewable energy generation 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 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 Barrancabermeja

Seasonal solar PV output for Latitude: 7.0679, Longitude: -73.8536 (Barrancabermeja, 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 7° South in Barrancabermeja, Colombia

To maximize your solar PV system's energy output in Barrancabermeja, Colombia (Lat/Long 7.0679, -73.8536) throughout the year, you should tilt your panels at an angle of 7° 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 Barrancabermeja, 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 Barrancabermeja, Colombia. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 7° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
9° North in Summer	13° South in Autumn	23° South in Winter	1° 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 Barrancabermeja, 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 Barrancabermeja, 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 Barrancabermeja, Colombia

Topographical Features of Barrancabermeja

Barrancabermeja sits in the middle Magdalena River valley in central Colombia, positioned on the western bank of the country's principal river. The city occupies a relatively flat alluvial plain that extends along the riverbank, with elevations ranging from approximately 75 to 150 meters above sea level. This low-lying terrain represents part of the broader Magdalena River basin, which forms a natural corridor between Colombia's eastern and western mountain ranges. The immediate surroundings of Barrancabermeja are characterized by gentle undulating plains with occasional low hills and ridges. The landscape transitions gradually from the flat riverine areas near the Magdalena to slightly more elevated terrain as one moves away from the water. Small streams and tributaries create minor valleys and drainage channels throughout the region, but these features are generally subtle and do not create dramatic elevation changes.

Regional Landscape Context

The broader region around Barrancabermeja forms part of the inter-Andean valley system, positioned between the Central and Eastern Cordilleras of the Colombian Andes. While the city itself occupies relatively flat ground, the distant horizon is defined by mountain ranges that rise significantly higher than the immediate area. The Eastern Cordillera lies roughly 50-80 kilometers to the east, while the Central Cordillera extends along the western horizon at a similar distance. This positioning creates a natural basin effect, where the Magdalena River and its tributaries have deposited sediments over millennia, forming the fertile plains that characterize the immediate vicinity. The terrain gradually becomes more rolling and eventually more mountainous as one moves away from the river valley in either direction.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for extensive solar installations would be the flat to gently rolling plains that extend westward and southward from Barrancabermeja. These areas offer several advantages for large-scale solar development, including minimal grading requirements, good accessibility for construction and maintenance, and relatively few topographical obstacles that might create shading issues. The alluvial plains along the western side of the Magdalena River present particularly favorable conditions, as they combine flat terrain with good drainage characteristics. Areas located 10-30 kilometers southwest and west of the city would be especially well-suited, as they maintain the flat topography while being positioned away from the immediate floodplain of the river. The slightly elevated plateaus and gentle hills that rise modestly above the river valley floor also represent excellent opportunities for solar development. These areas typically offer good drainage, stable soil conditions, and unobstructed exposure to the sky. The gradual slopes found in these locations are generally mild enough to accommodate large solar arrays without requiring extensive earthwork or specialized mounting systems. Areas to the north and northeast of Barrancabermeja also present good potential, particularly where the terrain remains relatively flat and open. The key consideration in these directions is avoiding areas that might be subject to seasonal flooding from the Magdalena River or its tributaries, making slightly elevated ground preferable to the lowest-lying areas immediately adjacent to waterways.

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.