Solar Energy Potential in Coyhaique, Aysén, Chile

Coyhaique, Aysén, Chile, located in the Southern Temperate Zone at coordinates -45.5646, -72.0778, presents a challenging location for year-round solar PV energy generation. The seasonal variation in energy production is quite pronounced, with significant differences between summer and winter outputs. During summer, solar panels in Coyhaique can generate an impressive 6.53kWh per day for each kilowatt of installed capacity. This makes summer the prime season for solar energy production in this region. Spring follows as the second most productive season, yielding 4.32kWh/day per kW installed. However, the colder seasons show a dramatic decline in solar productivity. Autumn production drops to 2.55kWh/day, while winter sees the lowest output at just 1.29kWh/day per kW of installed capacity. This stark seasonal variation means that supplementary energy sources would be necessary during the colder months when solar production is at its minimum.

Optimal Panel Installation

For fixed solar panel installations in Coyhaique, Aysén, the ideal tilt angle to maximize year-round energy production is 38 degrees facing North. This angle has been calculated by analyzing daily solar elevation patterns at this latitude, weighted by the solar potential throughout the year.

Environmental Challenges

Several significant environmental factors can impact solar production in Coyhaique:

• Heavy cloud cover and precipitation: The Patagonian region experiences frequent overcast conditions, particularly during winter months, which significantly reduces solar irradiance.
• Snow accumulation: Winter snowfall can cover panels, blocking sunlight and reducing efficiency.
• Strong winds: The region is known for powerful wind patterns that can stress mounting systems and potentially damage installations.

Preventative Measures

To optimize solar energy production despite these challenges, several preventative measures can be implemented: Installing panels at the recommended 38-degree angle not only maximizes year-round production but also helps shed snow more effectively. Self-cleaning systems or regular maintenance schedules can address snow accumulation issues. Additionally, robust mounting structures designed to withstand high winds are essential for installations in this region. Hybrid energy systems that combine solar with wind or hydroelectric power would be particularly beneficial in Coyhaique, Aysén, compensating for the low winter solar production. Battery storage systems can also help balance the seasonal variations by storing excess summer production for use during less productive periods. In conclusion, while Coyhaique offers good solar potential during summer and spring, the significant seasonal variation makes it less than ideal for year-round solar dependency without supplementary energy sources or substantial storage capacity.

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 Coyhaique

Seasonal solar PV output for Latitude: -45.5646, Longitude: -72.0778 (Coyhaique, 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 38° North in Coyhaique, Chile

To maximize your solar PV system's energy output in Coyhaique, Chile (Lat/Long -45.5646, -72.0778) throughout the year, you should tilt your panels at an angle of 38° 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 Coyhaique, 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 Coyhaique, Chile. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 38° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
29° North in Summer	49° North in Autumn	60° North in Winter	38° 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 Coyhaique, 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 Coyhaique, 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 Coyhaique, Chile

Coyhaique is situated in the Aysén Region of southern Chile, nestled within a dramatic landscape dominated by the Andes Mountains. The topography around Coyhaique is characterized by a complex mixture of steep mountains, river valleys, dense forests, and glacial features. The city itself lies in a basin at approximately 310 meters above sea level, surrounded by mountains that rise sharply to elevations exceeding 1,500 meters. To the east of Coyhaique, the terrain becomes increasingly mountainous as it approaches the Argentina border, with numerous peaks, ridges, and valleys. These eastern mountains form part of the Patagonian Andes, featuring rugged, often snow-capped summits. The western direction leads toward the Pacific coast, where the landscape is defined by deeply incised fjords, islands, and the Southern Patagonian Ice Field, one of the largest continental ice masses outside the polar regions.

River Systems and Valleys

The area is traversed by several river systems, most notably the Simpson River and the Coyhaique River, which have carved valleys through the mountainous terrain. These valleys often provide the only relatively flat areas in this otherwise rugged landscape. The Simpson River Valley, in particular, offers a natural corridor through the mountains and has historically facilitated transportation and settlement in the region.

Vegetation and Climate Influence

The topography strongly influences vegetation patterns around Coyhaique. Lower elevations support Patagonian forests dominated by southern beech (Nothofagus) species, while higher elevations transition to alpine vegetation and eventually bare rock or permanent snow. The western slopes receive significantly more precipitation than eastern areas due to orographic effects, creating a marked transition from temperate rainforest to drier steppe conditions.

Potential Areas for Solar PV Development

Despite Coyhaique's location in southern Chile, certain areas nearby could be suitable for large-scale solar photovoltaic development. The most promising locations would be: The eastern plains and foothills toward Argentina offer relatively flat terrain with less cloud cover than western areas. These zones experience a rain shadow effect from the Andes, resulting in clearer skies. Areas east of Coyhaique along the Chile-Argentina border, particularly on gently sloping terrain with northern exposure (which in the Southern Hemisphere optimizes solar gain), would be most favorable. The elevated plateaus found intermittently throughout the region provide potential sites where cloud cover is reduced and solar exposure is maximized. These areas typically have thinner vegetation and less agricultural value, making them potentially available for development. Some wider sections of the Simpson River Valley and similar broad valleys offer flat terrain that could accommodate solar installations. While these areas may have competing land uses such as agriculture, certain portions might be suitable for dual-use approaches.

Topographical Challenges

Several topographical factors constrain solar development in this region. The mountainous nature of the landscape limits the availability of large, contiguous flat areas needed for industrial-scale installations. Many potential sites are located in remote areas with limited access to existing power infrastructure, increasing development costs. The region experiences significant seasonal variation in daylight, with winter months having substantially reduced solar potential due to the southern latitude. Additionally, the complex topography creates localized climate effects, including areas prone to fog or cloud formation that would reduce solar efficiency. In summary, while the Coyhaique region presents challenges for large-scale solar development due to its predominantly mountainous topography, targeted installations in eastern rain-shadow zones and on elevated plateaus could prove viable, particularly as solar technology continues to improve in efficiency and decrease in cost.

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

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