Puerto Deseado, Santa Cruz, Argentina shows significant seasonal variation in solar energy production potential, making it a moderately suitable location for year-round solar PV generation. Located in Patagonia's coastal region, this site experiences the typical challenges of the Southern Temperate Zone's pronounced seasonal differences.
Seasonal Solar Performance
The location demonstrates strong summer performance with 7.95 kWh per day per kW of installed capacity, making December through February the peak production months. Spring provides good secondary production at 5.91 kWh per day per kW, while autumn drops considerably to 3.00 kWh per day per kW. Winter presents the most challenging period with only 1.71 kWh per day per kW of production. For optimal year-round energy capture at Puerto Deseado, Santa Cruz, solar panels should be installed at a fixed tilt angle of 40 degrees facing north. This angle maximizes total annual production by accounting for the sun's varying elevation throughout the year and the location's specific latitude.Environmental and Weather Challenges
Puerto Deseado's coastal Patagonian location presents several significant factors that can impede solar production:- Persistent strong winds: Patagonia is renowned for its intense, constant winds that can damage solar installations and create ongoing maintenance challenges
- Salt air corrosion: The coastal location exposes equipment to salt-laden air that accelerates corrosion of metal components and electrical connections
- Dust and sand accumulation: The arid climate and strong winds frequently deposit dust and sand on panel surfaces, reducing efficiency
- Temperature fluctuations: Significant daily and seasonal temperature variations can stress solar equipment and reduce panel efficiency
Preventative Installation Measures
To maximize energy production despite these challenges, several installation strategies should be implemented. Wind-resistant mounting systems with reinforced foundations and aerodynamic panel positioning are essential to withstand Patagonia's notorious winds. All electrical components should feature marine-grade corrosion protection, including stainless steel hardware and sealed electrical enclosures rated for coastal environments. Regular cleaning schedules become crucial in this dusty environment, with consideration for automated cleaning systems or easily accessible manual cleaning options. Installing panels with anti-soiling coatings can help reduce dust accumulation between cleanings. Equipment selection should prioritize components rated for wide temperature ranges and thermal cycling. Proper ventilation around panels and inverters helps manage heat buildup during summer months while ensuring cold-weather operation remains reliable.Overall Assessment
While Puerto Deseado offers reasonable solar potential during peak seasons, the extreme seasonal variation and challenging environmental conditions require careful planning and robust installation practices. The location works best for applications that can accommodate significant winter production decreases or incorporate battery storage and backup systems to maintain consistent energy supply year-round.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 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 Puerto Deseado
Seasonal solar PV output for Latitude: -47.7515, Longitude: -65.9014 (Puerto Deseado, 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 40° North in Puerto Deseado, Argentina
To maximize your solar PV system's energy output in Puerto Deseado, Argentina (Lat/Long -47.7515, -65.9014) throughout the year, you should tilt your panels at an angle of 40° 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 Puerto Deseado, 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 Puerto Deseado, Argentina. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 40° North tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 31° North in Summer | 51° North in Autumn | 62° North in Winter | 40° 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 Puerto Deseado, 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 Puerto Deseado, Argentina.
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 Puerto Deseado, Argentina
Topographical Features of Puerto Deseado
Puerto Deseado sits along the Atlantic coast of Patagonia in Santa Cruz Province, positioned on relatively flat coastal terrain that characterizes much of this region. The landscape around the port town consists primarily of low-lying plains and gentle undulations typical of the Patagonian steppe. The immediate coastal area features rocky shores and small bays carved by the Deseado River estuary, which creates a natural harbor that has made the location strategically important for maritime activities. The terrain extends inland as part of the broader Patagonian plateau, with elevations gradually rising from sea level to modest heights of 100-200 meters above sea level within a few kilometers of the coast. This gently rolling topography is punctuated by occasional low hills and shallow valleys, but lacks any significant mountainous features or dramatic elevation changes that would create substantial shadows or microclimatic variations.Regional Landscape Characteristics
Moving further inland from Puerto Deseado, the landscape opens up into vast expanses of semi-arid steppe characterized by sparse vegetation and minimal tree cover. The region experiences a continental climate with strong westerly winds that sweep across these open plains unobstructed. The lack of significant topographical barriers means that weather patterns tend to be relatively uniform across large areas. The soil composition consists mainly of sandy and gravelly deposits left by ancient glacial activity, with some areas featuring exposed bedrock. Vegetation is sparse and consists primarily of hardy shrubs and grasses adapted to the harsh Patagonian conditions. This sparse vegetation cover means that shading from natural features is minimal across most of the landscape.Optimal Areas for Large-Scale Solar Development
The most suitable locations for large-scale solar photovoltaic installations would be found on the gently sloping inland plains extending west and northwest of Puerto Deseado. These areas offer several key advantages including relatively flat terrain that minimizes grading and construction costs, while still providing sufficient natural drainage to prevent water accumulation. The open steppe lands located 10-30 kilometers inland from the coast present ideal conditions for solar development. These areas are far enough from the immediate coastal zone to avoid the most severe salt spray and marine weather effects, while remaining accessible via existing road networks that connect to the regional infrastructure. The terrain in these locations is stable, well-drained, and largely free from competing land uses. Areas with gentle south-facing slopes would be particularly advantageous as they can be oriented optimally for solar collection while taking advantage of natural land contours. The consistent topography across large areas means that solar installations can be designed with uniform panel layouts and simplified electrical infrastructure, reducing both installation and maintenance costs. The absence of significant vegetation or environmental constraints in much of this region also means that large contiguous areas are available for development without the need for complex site planning around natural obstacles. The stable geological conditions and minimal seismic activity in the region provide additional confidence for long-term infrastructure investments.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!
Citation Guide
Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Saturday 5th of July 2025
Last Updated: Wednesday 6th of August 2025
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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
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