Cartago, Valle del Cauca Department, Colombia presents excellent conditions for year-round solar photovoltaic energy generation. Located in the tropical zone, this region benefits from consistent sunlight throughout the year, with seasonal variations determined more by rainfall patterns than by dramatic changes in sun exposure.

Solar Energy Production Potential

The solar energy output data for Cartago shows remarkably stable performance across all seasons. Autumn delivers the highest production at 5.11 kWh per day per installed kilowatt, followed closely by summer at 4.99 kWh/day. Winter and spring show slightly lower but still strong output at 4.84 kWh/day and 4.77 kWh/day respectively. This consistent performance throughout the year makes Cartago an ideal location for solar installations, as property owners can expect reliable energy generation regardless of the season. The relatively small variation between seasons (only 0.34 kWh difference between the highest and lowest performing seasons) indicates excellent year-round solar resource availability.

Optimal Panel Configuration

For maximum energy production at this location, solar panels should be installed at a fixed tilt angle of 4 degrees facing south. This shallow angle is typical for locations near the equator, where the sun travels high overhead throughout the year.

Environmental and Weather Considerations

Several local factors could potentially impact solar energy production in Cartago:

• Heavy rainfall during wet seasons - Can reduce solar irradiance and create cloudy conditions
• High humidity levels - May lead to moisture-related equipment issues and reduced panel efficiency
• Dust and debris accumulation - Tropical vegetation and occasional dust can coat panels
• Intense UV exposure - Can accelerate equipment degradation over time

Preventative Measures for Optimal Performance

To maximize solar energy production and system longevity in Cartago's tropical environment, several installation strategies should be considered:

• Enhanced drainage systems - Proper water management around installations prevents pooling and moisture damage
• Regular cleaning schedules - Monthly panel cleaning during dry seasons and bi-weekly during wet periods
• Quality mounting hardware - Use corrosion-resistant materials designed for high-humidity environments
• Adequate ventilation spacing - Allow proper airflow behind panels to prevent overheating and moisture buildup
• UV-resistant components - Select inverters and wiring rated for intense tropical sun exposure

Despite these considerations, Cartago's consistent solar resource and minimal seasonal variation make it an excellent location for solar PV installations. With proper planning and maintenance, solar systems in this location can achieve reliable, high-performance energy generation throughout the year.

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 Cartago

Seasonal solar PV output for Latitude: 4.7524, Longitude: -75.9089 (Cartago, 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 4° South in Cartago, Colombia

To maximize your solar PV system's energy output in Cartago, Colombia (Lat/Long 4.7524, -75.9089) throughout the year, you should tilt your panels at an angle of 4° 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 Cartago, 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 Cartago, Colombia. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 4° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
11° North in Summer	10° South in Autumn	20° South in Winter	2° North 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 Cartago, 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 Cartago, 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 Cartago, Colombia

Topographical Features of the Cartago Region

Cartago sits in the heart of Colombia's Valle del Cauca department, positioned within the broad Cauca River valley that stretches between the Western and Central Cordilleras of the Andes mountains. The city itself rests at an elevation of approximately 917 meters above sea level, occupying relatively flat terrain that characterizes much of this inter-Andean valley. This positioning places Cartago on fertile alluvial plains formed by centuries of sediment deposits from the Cauca River and its tributaries.

The surrounding landscape presents a dramatic contrast between the valley floor and the towering mountain ranges that frame the region. To the west, the Cordillera Occidental rises steeply, with peaks reaching over 4,000 meters in elevation. The eastern horizon is dominated by the even more imposing Central Cordillera, which includes several volcanic peaks and represents some of Colombia's highest terrain. Between these two mountain chains, the Cauca Valley maintains a relatively consistent width of 20 to 30 kilometers, creating an elongated corridor of predominantly flat to gently rolling topography.

The immediate vicinity of Cartago features numerous small hills and ridges that rise gradually from the valley floor, typically reaching elevations between 1,000 and 1,500 meters. These undulating formations are interspersed with flat agricultural lands, creating a patchwork landscape of varying elevations and slopes. Several rivers and streams flow through the area, including the Cauca River itself, which meanders northward through the valley, and smaller tributaries such as the La Vieja River that contribute to the region's drainage network.

Climate and Weather Patterns

The topographical setting of Cartago creates a distinctive microclimate influenced by its position within the inter-Andean valley. The surrounding mountains act as barriers that moderate weather patterns, creating relatively stable conditions throughout the year. The valley experiences a tropical climate with minimal seasonal temperature variation, though daily temperature fluctuations can be notable due to the elevation and clear skies.

Rainfall patterns in the region follow a bimodal distribution, with two wet seasons typically occurring from April to May and October to November, separated by drier periods. The mountain ranges play a crucial role in precipitation patterns, with orographic effects causing increased rainfall on the windward slopes while creating rain shadow effects in certain valley areas. This creates variations in annual precipitation across relatively short distances, with some areas receiving significantly more moisture than others.

Optimal Areas for Large-Scale Solar Development

The topographical characteristics around Cartago present several advantageous areas for large-scale solar photovoltaic installations. The extensive flat and gently sloping terrain of the valley floor offers ideal conditions for ground-mounted solar arrays, requiring minimal grading and earthwork for construction. These areas provide the stable, level surfaces necessary for efficient panel positioning and maintenance access.

The elevated plateaus and gentle hillsides at elevations between 900 and 1,200 meters present particularly favorable conditions for solar development. These locations benefit from reduced atmospheric interference due to their elevation while remaining accessible for construction and maintenance activities. The slightly elevated terrain also provides natural drainage advantages and can offer improved air circulation around solar panels, which helps maintain optimal operating temperatures.

Areas to the east and southeast of Cartago appear especially promising for solar installations. These locations take advantage of the morning sun exposure while benefiting from the rain shadow effects created by the surrounding topography. The terrain in these areas consists primarily of rolling hills with moderate slopes that can accommodate large arrays while providing good southern exposure for maximum solar collection efficiency.

The agricultural plains extending northward along the Cauca River valley also present excellent opportunities for solar development. These areas offer vast expanses of relatively flat land with good access to existing infrastructure, including roads and electrical transmission lines. The proximity to the river system provides potential advantages for panel cleaning and maintenance operations, while the flat topography minimizes shading issues between panel rows.

Certain elevated areas on the lower slopes of both cordilleras could serve as excellent sites for solar installations, particularly those facing south or southeast. These locations benefit from reduced cloud cover compared to valley floor areas and experience enhanced solar irradiance due to their elevation and reduced atmospheric filtering. However, accessibility and grid connection considerations become more important factors at these higher elevations.

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.