La Florida, Santiago Metropolitan, Chile, situated in the Southern Sub Tropics at latitude -33.5353 and longitude -70.5519, offers variable conditions for solar PV energy generation throughout the year. The location experiences significant seasonal fluctuations in solar electricity production that are worth understanding for anyone considering solar installation in this area.

Seasonal Solar Production

Solar panels in La Florida produce their highest output during the summer months, generating an impressive 9.43kWh per day for each kilowatt of installed capacity. This production drops considerably to 5.24kWh/day during autumn, before reaching its lowest point in winter with only 3.25kWh/day. Production recovers substantially in spring, rising to 7.76kWh/day.

This pattern creates a nearly threefold difference between summer and winter production, which is characteristic of locations in the mid-latitudes of the Southern Hemisphere. The substantial seasonal variation means that a system sized only for summer needs would be inadequate during winter months.

Optimal Panel Installation

For fixed solar panel installations in La Florida, Santiago Metropolitan, the ideal tilt angle to maximize year-round energy production is 28 degrees facing North. This angle optimizes the annual solar harvest by balancing seasonal variations and accounting for the Earth's elliptical orbit.

Environmental and Weather Considerations

Several factors may impact solar production in La Florida:

• Air pollution from Santiago's urban area may reduce solar irradiance, particularly during winter months when thermal inversions can trap pollutants.
• The proximity to the Andes Mountains means occasional dust storms that can temporarily reduce panel efficiency if dust accumulates on surfaces.
• Winter fog and low cloud cover in the Santiago basin where La Florida is located can significantly reduce production during the already low-yield winter season.

To mitigate these challenges, solar installations in La Florida should incorporate regular cleaning systems or maintenance schedules to remove dust accumulation. Self-cleaning panels or those with hydrophobic coatings may be worth the additional investment. Additionally, slightly oversizing the system to compensate for winter's lower production would ensure more consistent energy availability throughout the year.

Despite these considerations, La Florida's annual solar potential remains strong compared to many other regions globally, making it a viable location for solar PV installations with proper planning and system design.

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 115 locations across Chile. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Chile by location

Solar output per kW of installed solar PV by season in La Florida

Seasonal solar PV output for Latitude: -33.5353, Longitude: -70.5519 (La Florida, Chile), 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 28° North in La Florida, Chile

To maximize your solar PV system's energy output in La Florida, Chile (Lat/Long -33.5353, -70.5519) throughout the year, you should tilt your panels at an angle of 28° 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 La Florida, Chile

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 La Florida, Chile. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 28° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
17° North in Summer	38° North in Autumn	49° North in Winter	26° 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 La Florida, Chile

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 La Florida, Chile.

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 La Florida, Chile

La Florida, located in the metropolitan region of Santiago, Chile, sits within a distinctive topographical setting characterized by the dramatic backdrop of the Andes Mountains to the east and the coastal ranges to the west. This commune is positioned in the central valley of Chile, which forms a relatively flat basin between these two mountain ranges. The terrain around La Florida gradually slopes upward as one moves eastward toward the foothills of the Andes, with elevations ranging from approximately 600 meters above sea level in the western parts to over 800 meters in the eastern sections. The immediate vicinity of La Florida features undulating terrain with some hills and valleys formed by the numerous streams and seasonal waterways that flow from the Andes westward. The Maipo River, a significant waterway in the region, runs south of La Florida and has shaped much of the local topography through erosion and sediment deposition over millennia.

Surrounding Topographical Features

To the east of La Florida, the terrain becomes increasingly steep as it transitions into the pre-Andean foothills. These areas display more pronounced elevation changes, with numerous ridges and valleys. The majestic Andes Mountains rise dramatically beyond these foothills, with peaks reaching over 5,000 meters in the nearby ranges. To the west, the terrain is generally flatter as it extends toward the central part of the Santiago basin. This area is heavily urbanized, with the natural topography largely modified by human development. Further west, the landscape begins to rise again as it approaches the Chilean Coastal Range. North and south of La Florida, the topography continues in a similar pattern of gently rolling terrain that is characteristic of the central valley, with occasional hills and drainage features creating local relief.

Potential Areas for Solar PV Development

For large-scale solar photovoltaic installations, several nearby areas offer favorable conditions based on topographical considerations: The eastern foothills region, while more elevated and with varying slopes, contains numerous plateaus and south-facing slopes that receive consistent solar exposure. These areas, particularly in the pre-Andean zones east of La Florida, offer sufficient flat or gently sloping terrain that could accommodate large solar arrays while being elevated enough to avoid morning fog that sometimes affects the central valley. The flatter areas to the southwest of La Florida, extending toward Maipú and Calera de Tango, present extensive relatively level terrain that would require minimal grading for solar installation. These areas benefit from good solar exposure and fewer topographical obstructions. The northern plains extending toward Quilicura and Renca also offer favorable topography for solar development, with wide open spaces and gentle slopes. These areas have less dramatic elevation changes and provide large contiguous spaces suitable for industrial-scale solar farms. It's worth noting that while topography is favorable in many surrounding areas, actual development potential would need to consider additional factors beyond the physical landscape, including proximity to transmission infrastructure, current land use patterns, and environmental considerations. The regions mentioned above present the most promising topographical conditions for solar PV development in the vicinity of La Florida.

Chile solar PV Stats as a country

Chile ranks 22nd in the world for cumulative solar PV capacity, with 4,468 total MW's of solar PV installed. This means that 9.10% of Chile's total energy as a country comes from solar PV (that's 5th in the world). Each year Chile is generating 234 Watts from solar PV per capita (Chile ranks 21st in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in Chile?

Yes, there are several incentives for businesses wanting to install solar energy in Chile. The Chilean government offers a range of financial incentives and tax credits for businesses that invest in renewable energy projects. These include grants, loans, and subsidies for the installation of solar panels. Additionally, businesses can benefit from net metering policies which allow them to sell excess electricity back to the grid at a premium rate. Finally, businesses may also be eligible for additional incentives 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 Chile? 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.