Solar Energy Potential in Viedma, Argentina

Viedma, Argentina, located in the Southern Temperate Zone, presents a varied landscape for solar energy production throughout the year. The seasonal solar electricity output shows significant fluctuations that potential solar adopters should consider. The location experiences its peak solar production during summer, generating an impressive 8.07 kWh per day for each kilowatt of installed solar capacity. Spring follows as the second most productive season with 6.44 kWh per day. However, the production drops considerably during autumn to 4.05 kWh per day and reaches its lowest point in winter with only 2.55 kWh per day.

Optimal Panel Installation

For fixed solar panel installations in Viedma, the ideal tilt angle to maximize year-round energy production is 35 degrees North. This specific angle optimizes the capture of solar radiation throughout the year, accounting for the location's position in the Southern Hemisphere and the Earth's elliptical orbit.

Environmental Considerations

Several environmental factors could potentially impact solar production in Viedma. The region experiences strong Patagonian winds, which can create dust accumulation on panels and, in extreme cases, cause physical damage to mounting systems. Installing robust mounting structures with wind resistance and implementing regular cleaning schedules can mitigate these issues. Additionally, Viedma's proximity to the Rio Negro river means occasional morning fog may reduce early day production, particularly in winter months. Elevating panels slightly higher than standard installations can sometimes help panels rise above low-lying fog.

Seasonal Strategy

Given the significant seasonal variation, with summer production more than three times that of winter, Viedma residents should consider their energy consumption patterns carefully. The location is ideal for those whose energy needs align with summer and spring usage (such as cooling or irrigation systems). For year-round reliability, supplementary energy sources or storage solutions would be beneficial to compensate for the reduced winter output.

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 Viedma

Seasonal solar PV output for Latitude: -40.7987, Longitude: -62.9967 (Viedma, 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 35° North in Viedma, Argentina

To maximize your solar PV system's energy output in Viedma, Argentina (Lat/Long -40.7987, -62.9967) throughout the year, you should tilt your panels at an angle of 35° 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 Viedma, 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 Viedma, Argentina. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 35° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
25° North in Summer	45° North in Autumn	56° North in Winter	33° 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 Viedma, 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 Viedma, 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 Viedma, Argentina

The topography around Viedma, Argentina presents a predominantly flat landscape characteristic of northern Patagonia. Located in the Río Negro Province, Viedma sits at the mouth of the Río Negro river where it meets the Atlantic Ocean. The terrain is defined by vast plains and plateaus, with minimal elevation changes across much of the surrounding area. This region forms part of the Patagonian steppe, a semi-arid plateau that extends from the Andes Mountains in the west to the Atlantic Ocean in the east. The immediate vicinity of Viedma features alluvial plains created by the Río Negro river, with fertile soils that support agricultural activities. As one moves away from the river, the landscape transitions to more arid conditions with sparse vegetation typical of the Patagonian scrubland. The terrain becomes increasingly desert-like with distance from water sources.

Topographical Features

To the north and west of Viedma, the landscape gradually rises into a series of low plateaus. These plateaus, known locally as "mesetas," are relatively flat-topped formations that characterize much of the Patagonian region. They typically range from 100 to 300 meters above sea level, creating a step-like progression of land as one moves inland from the coast. The southern bank of the Río Negro river is where Viedma is situated, while the northern bank hosts its twin city, Carmen de Patagones. The river valley itself creates a notable depression in the otherwise flat landscape, with some gentle slopes leading down to the riverbed. Coastal areas east of Viedma feature sandy beaches and dunes, transitioning to low cliffs in some sections. The Atlantic coastline provides a distinct edge to the eastern boundary of the region, with the San Matías Gulf to the south offering a curved coastline that influences local wind patterns.

Optimal Areas for Solar PV Development

The expansive plateaus to the west and southwest of Viedma offer particularly favorable conditions for large-scale solar photovoltaic installations. These areas combine several advantageous characteristics that make them well-suited for solar energy development: The elevated mesetas provide extensive flat terrain that requires minimal grading or preparation for solar array installation. These plateaus receive consistent solar exposure throughout the day due to their elevation and the absence of natural obstacles that might cast shadows. The semi-arid climate of the region means there is limited cloud cover throughout much of the year, maximizing the potential for solar energy capture. Additionally, the sparse vegetation and low population density in these plateau regions minimize land-use conflicts and environmental impacts. Areas approximately 20-40 kilometers west of Viedma present an optimal balance of favorable topography, proximity to existing transmission infrastructure, and distance from sensitive ecological zones. The higher plateaus in this direction experience less fog and humidity than coastal areas, resulting in clearer atmospheric conditions for solar radiation. The northern plateau regions, extending toward the Río Colorado basin, also offer substantial potential for solar development. These areas feature similar flat topography but with slightly different soil compositions that may be less valuable for agriculture, making them appropriate for alternative land uses such as energy production. It's worth noting that while coastal areas east of Viedma receive ample sunshine, they may be less ideal for large-scale installations due to higher land values, greater humidity, occasional coastal fog, and potential conflicts with tourism and urban development priorities.

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.