Guernica, Argentina, located in the Southern Sub Tropics at coordinates -34.9212, -58.3861, offers varying potential for solar PV energy generation throughout the year. This assessment examines its suitability for solar power installations based on seasonal electricity production data.

Seasonal Solar Performance

Solar energy production in Guernica follows a predictable seasonal pattern. Summer months yield the highest output at 7.79kWh per day for each kilowatt installed, making December through February the prime period for solar generation. Spring follows as the second most productive season with 6.25kWh/day, while autumn delivers a moderate 4.51kWh/day. Winter shows the lowest production at just 3.19kWh/day per installed kilowatt.

This seasonal variation creates more than a 2.4x difference between the best and worst performing seasons, which is significant when planning a solar installation that needs to meet year-round energy demands.

Optimal Panel Installation

For fixed solar panel installations in Guernica, the ideal tilt angle to maximize year-round energy production is 30 degrees facing North. This orientation optimizes the annual solar harvest by balancing seasonal variations and accounting for the site's Southern Hemisphere location.

Environmental and Weather Considerations

Several factors may affect solar production in Guernica:

• Dust and pollution from the greater Buenos Aires metropolitan area can accumulate on panels, reducing efficiency by 5-15% if not regularly cleaned.
• Occasional hailstorms in the region pose a risk to panel integrity, making hail-resistant panels a wise investment.
• Seasonal humidity and morning fog, particularly in autumn and winter, can delay peak production hours.

To mitigate these challenges, installation should include regular cleaning protocols, quality hail-resistant panels, and potentially a slight adjustment to the tilt angle (1-2 degrees steeper) to promote natural cleaning during rainfall. Anti-soiling coatings are also recommended for the panels to reduce dust accumulation.

Overall Assessment

Guernica offers good year-round solar potential, with excellent summer and spring production that can offset the reduced winter output. With proper installation techniques and maintenance, a solar PV system here can be economically viable, though supplementary power sources might be beneficial during the winter months when production drops to less than half of summer values.

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 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 Guernica

Seasonal solar PV output for Latitude: -34.9212, Longitude: -58.3861 (Guernica, 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 30° North in Guernica, Argentina

To maximize your solar PV system's energy output in Guernica, Argentina (Lat/Long -34.9212, -58.3861) throughout the year, you should tilt your panels at an angle of 30° 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 Guernica, 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 Guernica, Argentina. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 30° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
19° North in Summer	40° North in Autumn	50° North in Winter	27° 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 Guernica, 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 Guernica, 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 Guernica, Argentina

The topography around Guernica, Argentina is predominantly flat, characterized by the vast Pampas plains that define much of the Buenos Aires Province. Located approximately 35 kilometers southeast of the capital city of Buenos Aires, Guernica sits in a region with minimal elevation changes and few natural barriers. The area forms part of the larger Río de la Plata basin, with gentle slopes and occasional small undulations rather than significant hills or mountains. The landscape consists primarily of fertile lowlands with rich soil deposits that have historically supported agricultural activities. The natural vegetation before human settlement would have been grassland prairie, though much of the region has been transformed for agricultural and urban development. Small water bodies and streams can be found throughout the area, feeding into larger river systems that eventually connect to the Río de la Plata estuary.

Solar PV Potential in the Region

For large-scale solar photovoltaic (PV) installations, the areas to the west and southwest of Guernica offer particularly favorable conditions. These zones benefit from the characteristic flatness of the Pampas, presenting minimal topographical challenges for solar array construction. The lack of significant elevation changes means reduced construction costs and simplified infrastructure development. The rural areas surrounding Guernica, particularly in the directions of San Vicente and Alejandro Korn, provide substantial open spaces that could accommodate large solar installations. These locations combine the necessary flat terrain with proximity to existing electrical infrastructure and transportation networks, making them logistically viable for solar development.

Considerations for Solar Development

While the flat topography is advantageous, potential solar developers should note that the region experiences seasonal weather patterns typical of the humid Pampas. The area lacks the extreme dry conditions found in Argentina's western regions near the Andes, which typically receive more intense solar radiation. Land currently used for agriculture represents the most practical option for solar development, though this would require balancing energy production with food security concerns. The relatively dense population in the greater Buenos Aires metropolitan area means that transmission infrastructure is readily available, reducing the costs associated with connecting new generation capacity to the grid. Drainage considerations are also important, as the flat terrain can sometimes lead to poor natural drainage during heavy rainfall events. Solar installations would benefit from sites with slight elevations relative to the surrounding area to minimize flooding risks that could affect equipment and maintenance access.

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.