Solar Energy Potential in Nueva Imperial, Región de la Araucanía, Chile
Nueva Imperial, Región de la Araucanía, Chile, located at latitude -38.7336 and longitude -72.9552 in the Southern Temperate Zone, presents varying conditions for solar energy generation throughout the year. This location experiences significant seasonal fluctuations in potential solar photovoltaic (PV) electricity production. The solar energy output at this location follows a clear seasonal pattern. During summer, solar panels perform at their peak, generating approximately 8.54 kWh per day for each kilowatt of installed capacity. Spring offers the second-best production with 6.20 kWh/day per kW installed. Autumn provides moderate generation at 4.00 kWh/day, while winter shows the lowest output at just 2.28 kWh/day per kW installed. For anyone considering installing solar PV systems in Nueva Imperial, Región de la Araucanía, the optimal tilt angle for fixed panels is 32 degrees facing North. This specific angle has been calculated to maximize year-round solar energy production, taking into account the location's position in the Southern Hemisphere.Seasonal Considerations
The substantial difference between summer and winter production (nearly four times higher in summer) indicates that Nueva Imperial is not ideal for year-round consistent solar generation. This seasonal variability means that supplementary power sources might be necessary during the winter months when solar production drops significantly. The most favorable period for solar energy generation spans from late spring through summer (approximately November through February in the Southern Hemisphere). During these months, longer days and more direct sunlight create optimal conditions for solar PV systems.Environmental Factors and Mitigation Strategies
Several environmental factors could potentially affect solar production in Nueva Imperial:- Rainfall and cloud cover, particularly during winter months, can significantly reduce solar efficiency. Installing panels with good low-light performance characteristics can help mitigate this issue.
- Volcanic ash from nearby Andean volcanoes could occasionally settle on panels, reducing their efficiency. Regular cleaning systems or maintenance schedules are recommended.
- Morning fog from the nearby coastal influence might delay peak production hours. Positioning panels to maximize afternoon sun exposure could help offset this effect.
Note: The Southern Temperate Zone extends from -35° latitude South down to -66.5° 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 Nueva Imperial
Seasonal solar PV output for Latitude: -38.7336, Longitude: -72.9552 (Nueva Imperial, 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 32° North in Nueva Imperial, Chile
To maximize your solar PV system's energy output in Nueva Imperial, Chile (Lat/Long -38.7336, -72.9552) throughout the year, you should tilt your panels at an angle of 32° 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 Nueva Imperial, 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 Nueva Imperial, Chile. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 32° North tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 22° North in Summer | 43° North in Autumn | 54° North in Winter | 31° 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 Nueva Imperial, 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 Nueva Imperial, Chile.
Our calculation method
- Solar Position:
We determine the Sun's position on the Winter solstice using the location's latitude and solar declination. - Shadow Projection:
We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle. - 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 Nueva Imperial, Chile
Topography of Nueva Imperial, Chile
Nueva Imperial is situated in the La Araucanía Region of Chile, approximately 35 kilometers west of Temuco. The topography of this area is characterized by a transition zone between the Central Valley of Chile and the coastal mountain range known as the Cordillera de Nahuelbuta. The landscape features rolling hills, river valleys, and some moderate elevations that gradually increase in height toward the west. The town itself sits at an elevation of approximately 70 meters above sea level, nestled along the banks of the Río Cholchol. The surrounding terrain is undulating with gentle slopes in many areas, though more pronounced hills and small mountains become evident as one moves westward toward the coastal range. To the east, the terrain gradually flattens as it extends toward the Central Valley. Water features play a significant role in shaping the local topography. The confluence of the Cholchol and Imperial rivers occurs near the town, creating fertile valleys that have historically supported agriculture. These river systems have carved valleys through the landscape, resulting in some areas of steeper terrain adjacent to flatter floodplains.Vegetation and Land Use
The natural vegetation around Nueva Imperial reflects the transition between the more humid coastal forests and the drier Central Valley. The area was historically covered with native Valdivian temperate rainforest, though much has been converted to agricultural use or plantation forestry. Currently, the landscape is a mosaic of farmland, pine and eucalyptus plantations, and remnants of native forest on steeper slopes or protected areas. This mixed land use pattern creates a patchwork appearance when viewed from elevated positions, with varying textures and colors depending on the season and cultivation practices. The agricultural areas tend to occupy the flatter, more accessible terrain, while forestry operations often utilize the hillier sections.Solar PV Suitability in the Region
For large-scale solar photovoltaic installations, several factors must be considered beyond just solar radiation, including topography, land availability, and accessibility. In the Nueva Imperial vicinity, the most suitable areas for large-scale solar PV development would likely be: The eastern sections toward the Central Valley offer more consistently flat terrain with fewer obstructions. These areas receive good solar exposure and typically have better transportation infrastructure for construction and maintenance access. The gently rolling agricultural lands northeast and southeast of Nueva Imperial present opportunities where solar installations could coexist with or replace less productive agricultural uses. Some of the elevated plateaus and broader hilltops in the region could also be suitable, particularly those with southern aspects that aren't heavily forested. These locations often experience less fog than lower-lying areas and might have fewer shading issues from surrounding terrain.Topographical Challenges
Despite these opportunities, the region does present certain topographical challenges for solar development. The more rugged terrain toward the coastal mountains would require significant grading and preparation, increasing construction costs and environmental impacts. Areas close to rivers may be subject to flooding or have high water tables that complicate foundation work. Morning fog is common in the lower valleys, particularly during winter months, which can temporarily reduce solar efficiency. Additionally, the patchwork of small land holdings typical of this region might necessitate assembling multiple properties to create a sufficiently large installation area. The moderate slopes throughout much of the region would require careful site selection to avoid excessive grading while maintaining optimal panel orientation. North-facing slopes (in the Southern Hemisphere) would be preferable for maximizing solar exposure throughout the year.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!
Citation Guide
Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Saturday 19th of July 2025
Last Updated: Tuesday 22nd of July 2025
Tell Us About Your Work
We love seeing how our research helps others! If you've cited this article in your work, we'd be delighted to hear about it. Drop us a line via our Contact Us page or on X, to share where you've used our information - we may feature a link to your work on our site. This helps create a network of valuable resources for others in the solar energy community and helps us understand how our research is contributing to the field. Plus, we occasionally highlight exceptional works that reference our research on our social media channels.
Feeling generous?
Share this with your friends!

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.




