Riohacha, La Guajira Department, Colombia, situated at 11.5424° N, -72.9019° W, presents a highly favorable location for solar energy generation throughout the year. This tropical coastal city experiences consistent sunlight, with seasons primarily distinguished by wet and dry periods rather than significant temperature variations.

Year-round Solar Potential

The solar energy output in Riohacha remains remarkably stable across all seasons. Summer sees the highest production at 6.24 kWh per day for each kilowatt of installed solar capacity. Winter and spring follow closely behind with 6.14 kWh/day and 6.16 kWh/day, respectively. Autumn experiences a slight dip but still maintains a strong 5.93 kWh/day output. This consistency in solar energy production throughout the year makes Riohacha an ideal location for solar PV installations. The minimal fluctuation between seasons ensures a reliable and steady energy supply, reducing the need for supplementary power sources during certain times of the year.

Optimal Panel Positioning

For fixed solar panel installations in Riohacha, La Guajira Department, the ideal tilt angle to maximize year-round energy production is 11 degrees facing south. This relatively shallow angle is due to the city's proximity to the equator, where the sun's path remains high in the sky throughout the year.

Environmental Considerations

While Riohacha's location is generally conducive to solar energy production, there are a few environmental factors to consider: 1. Coastal humidity: Being a coastal city, Riohacha experiences high humidity levels, which can potentially impact solar panel efficiency and longevity. 2. Salt spray: Proximity to the Caribbean Sea means salt spray could accumulate on solar panels, potentially reducing their effectiveness over time. To mitigate these factors, installers should consider using corrosion-resistant materials for mounting hardware and implementing regular cleaning routines. Additionally, applying anti-reflective coatings to the panels can help maintain efficiency in humid conditions. In conclusion, Riohacha's tropical location provides an excellent opportunity for consistent, year-round solar energy production. With proper installation techniques and maintenance practices, solar PV systems in this area can operate at high efficiency levels throughout the year, making it an attractive location for solar energy investments.

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 Riohacha

Seasonal solar PV output for Latitude: 11.5424, Longitude: -72.9019 (Riohacha, 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 11° South in Riohacha, Colombia

To maximize your solar PV system's energy output in Riohacha, Colombia (Lat/Long 11.5424, -72.9019) throughout the year, you should tilt your panels at an angle of 11° 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 Riohacha, 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 Riohacha, Colombia. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 11° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
4° North in Summer	17° South in Autumn	27° South in Winter	5° 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 Riohacha, 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 Riohacha, 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 Riohacha, Colombia

The topography around Riohacha, Colombia, is characterized by a diverse landscape that transitions from coastal plains to mountainous terrain. Riohacha itself is situated on the Caribbean coast, with relatively flat, low-lying areas along the shoreline. This coastal plain extends for several kilometers inland, featuring sandy beaches, lagoons, and salt flats.

As you move away from the coast, the terrain gradually becomes more undulating, with gentle hills and small valleys. The landscape then rises more dramatically towards the southeast, where the foothills of the Sierra Nevada de Santa Marta mountain range begin. This mountain range, which is not too far from Riohacha, is a prominent feature of the region and has a significant impact on the local climate and ecology.

To the east and northeast of Riohacha lies the Guajira Peninsula, a semi-arid region characterized by its desert-like conditions. This area features vast expanses of flat or gently rolling terrain, with scattered rocky outcrops and dry riverbeds.

Regarding areas suitable for large-scale solar PV (photovoltaic) installations, the Guajira Peninsula presents some of the most promising locations. This region offers several advantages for solar energy production:

1. High solar radiation levels due to its proximity to the equator and generally clear skies
2. Large expanses of flat or gently sloping land, which is ideal for solar panel placement
3. Low population density, reducing potential land-use conflicts
4. Minimal vegetation cover, reducing the need for land clearing

Specific areas within the Guajira Peninsula that could be particularly well-suited for solar PV projects include the regions around Uribia and Manaure. These locations combine favorable topography with excellent solar resources. However, it's important to note that any large-scale solar development would need to consider factors such as grid connectivity, water availability for panel cleaning, and potential environmental impacts on the local ecosystem.

While the coastal areas closer to Riohacha also receive abundant sunlight, they may be less suitable for large-scale solar installations due to higher population density, more valuable agricultural land, and potential conflicts with tourism development. The mountainous areas to the southeast, while potentially suitable for smaller-scale solar projects, present challenges for large installations due to their rugged terrain and forest cover.

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.