Yumbo, Valle del Cauca Department, Colombia, situated at coordinates 3.5854, -76.4936, offers a remarkably consistent environment for solar PV energy generation throughout the year. This tropical location experiences minimal seasonal variation in solar energy production, with output ranging from 4.42kWh to 4.81kWh per day for each kilowatt of installed capacity across different seasons.

Seasonal Solar Production

The solar energy generation at this location shows impressive consistency across seasons. Autumn stands out as the most productive period with 4.81kWh per day per kilowatt installed, while summer follows closely at 4.64kWh. Spring production remains strong at 4.63kWh, and even winter, the least productive season, still delivers a substantial 4.42kWh daily per kilowatt of installed capacity.

This minimal seasonal variation (less than 10% difference between the highest and lowest producing seasons) makes Yumbo an excellent location for year-round solar energy production, with autumn being the optimal time for maximum generation.

Optimal Panel Installation

For fixed solar panel installations in Yumbo, Valle del Cauca Department, the ideal tilt angle to maximize year-round energy production is 3 degrees facing South. This nearly horizontal orientation reflects Yumbo's proximity to the equator, where the sun passes almost directly overhead throughout the year.

Environmental Considerations

Several environmental factors could potentially affect solar production in Yumbo:

• Heavy rainfall during wet seasons may reduce solar exposure and create cleaning challenges for panels
• High humidity levels can cause accelerated degradation of electrical components
• Potential for dust accumulation during dry seasons

Preventative Measures

To optimize solar production in Yumbo's tropical climate, several preventative measures are recommended. Installing panels with self-cleaning hydrophobic coatings helps manage rainfall runoff while keeping panels cleaner. Using corrosion-resistant mounting hardware and marine-grade components addresses humidity concerns. Implementing a regular maintenance schedule, especially before dry seasons, ensures dust doesn't accumulate and reduce efficiency.

Additionally, considering a slight increase in the tilt angle beyond the mathematically optimal 3 degrees can improve natural cleaning from rainfall while sacrificing minimal production efficiency.

Overall, Yumbo provides an exceptionally consistent environment for solar energy production throughout the year, with proper installation and maintenance practices addressing the few environmental challenges present in this tropical location.

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 Yumbo

Seasonal solar PV output for Latitude: 3.5854, Longitude: -76.4936 (Yumbo, 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 3° South in Yumbo, Colombia

To maximize your solar PV system's energy output in Yumbo, Colombia (Lat/Long 3.5854, -76.4936) throughout the year, you should tilt your panels at an angle of 3° 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 Yumbo, 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 Yumbo, Colombia. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 3° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
12° North in Summer	9° South in Autumn	19° South in Winter	3° 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 Yumbo, 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 Yumbo, 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 Yumbo, Colombia

The region surrounding Yumbo, Colombia is characterized by diverse and dramatic topography that significantly influences its potential for solar energy development. Located in the Valle del Cauca department, Yumbo sits in the western portion of Colombia where the landscape transitions between several distinct geographical features.

Regional Topography

Yumbo is situated in the Cauca River Valley, a significant geological feature that runs between two major branches of the Colombian Andes. To the west, the Western Cordillera (Cordillera Occidental) rises steeply, creating a natural barrier that separates the valley from the Pacific coastal region. To the east, the Central Cordillera (Cordillera Central) forms another mountainous boundary. This valley configuration creates a relatively flat central area surrounded by increasingly elevated terrain. The town itself sits at approximately 1,021 meters (3,350 feet) above sea level, on the eastern side of the valley. The terrain gradually slopes upward from the Cauca River toward the foothills of the surrounding mountains. The central valley floor is predominantly flat to gently undulating, with increasing gradient as one moves toward either mountain range.

Microtopography and Solar Potential

The immediate vicinity of Yumbo features varied microtopography that creates distinct zones of solar potential: The valley floor represents the most level terrain, with minimal slope and few shadowing effects from surrounding features. This area experiences consistent solar exposure throughout the day, with minimal topographical interference. The flat expanses of the valley floor provide excellent conditions for large-scale solar installations, requiring minimal land preparation. The western-facing slopes of the foothills leading to the Central Cordillera receive strong afternoon sun exposure. These areas benefit from their orientation toward the western sky, capturing sunlight during peak intensity periods. However, the increasing slope presents construction challenges for large installations. The eastern-facing slopes toward the Western Cordillera receive maximum morning sunlight but may experience earlier afternoon shadowing from the mountain range. These areas generally have steeper gradients that would require more extensive site preparation for solar arrays.

Optimal Areas for Large-Scale Solar PV

Based on topographical considerations alone, several areas near Yumbo present favorable conditions for large-scale solar photovoltaic development: The flat agricultural lands of the Cauca Valley extending north and south of Yumbo offer the most immediately suitable terrain for solar installations. These areas minimize construction costs related to land preparation and maximize solar exposure throughout the day. The minimal slope also reduces erosion concerns during seasonal rains. The gently sloping lower foothills to the east of Yumbo, particularly areas with western exposure, provide good solar conditions with reasonable construction requirements. These areas benefit from slightly elevated positions that can reduce morning fog effects sometimes experienced on the valley floor. The industrial zone extending from Yumbo toward Cali contains substantial previously developed flat land that could be repurposed for solar installations. These areas often have existing infrastructure connections that can reduce development costs. It's worth noting that while topography is favorable in many areas surrounding Yumbo, practical solar development must also consider land use patterns, environmental protections, grid connection availability, and social factors beyond pure geographical suitability. The region's combination of flat valley floors and varied slope exposures provides multiple options for solar development tailored to different project scales and requirements.

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.