Tilcara, Jujuy, Argentina presents an excellent location for year-round solar PV energy generation. Located in the Southern Sub Tropics at coordinates -23.5667, -65.3667, this area demonstrates consistently strong solar energy potential throughout all seasons.

Seasonal Solar Performance

The solar energy output varies moderately across the seasons, with spring delivering the highest production at 7.90 kWh per day per kW of installed capacity. Summer follows closely with 7.37 kWh per day, while autumn provides 6.20 kWh per day. Winter shows the lowest but still respectable output of 5.55 kWh per day per kW installed. Spring emerges as the ideal time for solar generation at this location, likely due to optimal sun angles combined with clear atmospheric conditions. The relatively small variation between seasons - with winter production still reaching about 70% of peak spring output - makes this location highly suitable for consistent year-round solar energy generation.

Optimal Panel Configuration

For maximum year-round energy production at Tilcara, Jujuy, solar panels should be installed at a fixed tilt angle of 22 degrees facing north. This angle has been calculated to optimize total annual solar output by accounting for the sun's varying elevation throughout the year and weighting these angles based on solar irradiance data.

Environmental Factors and Mitigation Strategies

Several environmental factors could potentially impact solar production at this location:

• High altitude dust and particulates: Tilcara sits at approximately 2,500 meters above sea level in an arid region, making dust accumulation on panels a significant concern
• Intense UV radiation: The high altitude and clear skies result in extremely intense solar radiation that can degrade panel materials faster
• Temperature extremes: High daytime temperatures combined with cold nights create thermal cycling stress on equipment
• Seasonal wind patterns: Strong winds can carry dust and debris, potentially damaging panels or reducing efficiency

To maximize energy production despite these challenges, several preventative measures should be implemented. Regular cleaning schedules are essential, ideally using automated cleaning systems or frequent manual cleaning to remove dust buildup. Panel selection should prioritize models with enhanced UV-resistant coatings and robust temperature coefficients to handle the extreme conditions. Proper mounting systems with adequate ventilation will help manage thermal stress, while installing panels with reinforced frames can better withstand wind loading. Consider using micro-inverters or power optimizers to minimize the impact of partial shading from dust on individual panels. Despite these environmental challenges, Tilcara's consistently high solar irradiance levels and minimal seasonal variation make it an exceptionally favorable location for solar PV installations when proper mitigation measures are implemented.

Note: The Southern Sub Tropics extend from -23.5° latitude South down to -35° latitude.

So far, we have conducted calculations to evaluate the solar photovoltaic (PV) potential in 519 locations across Argentina. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Argentina by location

Solar output per kW of installed solar PV by season in Tilcara

Seasonal solar PV output for Latitude: -23.5667, Longitude: -65.3667 (Tilcara, Argentina), 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 22° North in Tilcara, Argentina

To maximize your solar PV system's energy output in Tilcara, Argentina (Lat/Long -23.5667, -65.3667) throughout the year, you should tilt your panels at an angle of 22° North 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 Tilcara, Argentina

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 Tilcara, Argentina. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 22° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
8° North in Summer	29° North in Autumn	39° North in Winter	17° 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 Tilcara, Argentina

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 Tilcara, Argentina.

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 Tilcara, Argentina

Topography Around Tilcara

Tilcara sits in the heart of the Quebrada de Humahuaca, a dramatic valley carved through the Andes Mountains in northwestern Argentina's Jujuy Province. The town itself perches at approximately 2,460 meters above sea level, surrounded by towering mountain ranges that create a spectacular but challenging landscape. The Quebrada de Humahuaca runs roughly north-south through this region, forming a narrow corridor between steep-sided mountains that can rise over 4,000 meters on either side.

The immediate terrain around Tilcara features rugged hills and mesas composed primarily of sedimentary rock formations that display striking bands of red, orange, yellow, and purple colors. These geological formations create an undulating landscape with numerous ridges, ravines, and small plateaus. The Rio Grande flows through the valley bottom, meandering through relatively flat alluvial deposits that contrast sharply with the surrounding mountainous terrain.

The climate in this high-altitude desert environment is characterized by intense solar radiation due to the thin atmosphere and minimal cloud cover throughout much of the year. The dry conditions and sparse vegetation create an environment where dust storms can occur, particularly during windy periods. Temperature variations between day and night are significant, with the high altitude contributing to rapid cooling after sunset.

Optimal Areas for Large-Scale Solar Development

The most promising locations for large-scale solar photovoltaic installations near Tilcara would be the relatively flat mesa tops and gentle slopes that extend eastward from the main valley. These elevated plateaus offer several advantages including more stable ground conditions, reduced risk of flooding, and fewer conflicts with agricultural activities that tend to concentrate in the valley bottom near water sources.

The areas approximately 10 to 20 kilometers east and southeast of Tilcara present particularly favorable conditions. Here, the terrain gradually transitions from the steep valley walls to more gently rolling hills and broader plateaus. These locations maintain the beneficial high-altitude characteristics while offering more suitable topography for large solar arrays. The ground is generally more stable than the steep valley sides, and the broader expanses of relatively level terrain would allow for efficient installation and maintenance of solar panels.

South of Tilcara, toward the town of Maimará, there are also suitable areas where the valley widens somewhat and side valleys provide additional flat or gently sloping terrain. These locations benefit from good access to existing infrastructure while avoiding the steepest and most unstable slopes that characterize much of the immediate area around Tilcara itself.

The key considerations for solar development in this region include the need for stable foundations on what can be loose sedimentary soils, protection from occasional dust storms, and careful planning around the significant daily temperature fluctuations. The high altitude and clear atmospheric conditions create an excellent environment for solar energy generation, but projects would need to account for the logistical challenges of working in remote, mountainous terrain with limited existing infrastructure.

Argentina solar PV Stats as a country

Argentina ranks 43rd in the world for cumulative solar PV capacity, with 1,071 total MW's of solar PV installed. This means that 1.50% of Argentina's total energy as a country comes from solar PV (that's 35th in the world). Each year Argentina is generating 24 Watts from solar PV per capita (Argentina ranks 63rd in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in Argentina?

Yes, there are several incentives for businesses wanting to install solar energy in Argentina. The government offers a range of tax credits and subsidies for businesses that invest in renewable energy projects. Additionally, the country has implemented a net metering system which allows businesses to sell excess electricity generated from their solar installations back to the grid at a premium rate. Finally, the government also provides access to low-interest loans and grants for businesses looking to invest in solar energy projects.

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