Solar Energy Potential in La Paz, Canelones, Uruguay

La Paz, Canelones, Uruguay, located in the Southern Sub Tropics at coordinates -34.6347, -56.335, offers varying potential for solar PV energy generation throughout the year. This location experiences significant seasonal fluctuations in solar energy production that potential solar installers should consider. The seasonal electricity output shows a clear pattern with summer being the most productive period at 7.98kWh per day for each kilowatt of installed capacity. Spring follows as the second most productive season with 6.44kWh/day. Production decreases considerably during autumn (4.52kWh/day) and reaches its lowest point in winter with just 3.10kWh/day per kilowatt installed.

Seasonal Variations and Implications

This seasonal pattern creates more than a 2.5-fold difference between the best and worst seasons. Summer (December through February in the Southern Hemisphere) clearly represents the peak production period, while the June-August winter months show significantly reduced output. Spring months (September-November) offer very good production levels, making this an excellent shoulder season for solar generation at this location. For residents or businesses considering solar installation in La Paz, Canelones, this means that supplementary power sources may be necessary during winter months when production drops to less than 40% of summer values. However, the strong performance during summer and spring makes the location quite viable overall for solar energy.

Optimal Panel Installation

For fixed panel installations at this La Paz location, the ideal tilt angle to maximize year-round energy production is 30 degrees facing North. This angle has been calculated based on the site's latitude and weighted solar irradiance data to optimize annual electricity generation.

Environmental and Weather Considerations

Several environmental factors could potentially impact solar production at this location. The coastal proximity of Uruguay can lead to salt spray and corrosion on solar equipment, especially during stormy periods. Selecting marine-grade materials and corrosion-resistant mounting hardware is recommended for installations in this region. Seasonal storms and occasional heavy rainfall, particularly during transitional seasons, can temporarily reduce solar output. Installing panels with good drainage systems and ensuring regular cleaning schedules will help maintain optimal performance. Dust accumulation can also be an issue in this semi-rural area. Implementing automated cleaning systems or scheduling regular maintenance can mitigate this problem. Additionally, the region experiences moderate humidity levels which can lead to early morning condensation on panels, slightly delaying peak morning production during certain seasons. Installing micro-inverters or power optimizers rather than string inverters can help minimize production losses during partial shading conditions that may occur at different times of the year at this location.

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 17 locations across Uruguay. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Uruguay by location

Solar output per kW of installed solar PV by season in La Paz

Seasonal solar PV output for Latitude: -34.6347, Longitude: -56.335 (La Paz, Uruguay), 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 La Paz, Uruguay

To maximize your solar PV system's energy output in La Paz, Uruguay (Lat/Long -34.6347, -56.335) 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 La Paz, Uruguay

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 La Paz, Uruguay. 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
18° North in Summer	40° North in Autumn	49° 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 La Paz, Uruguay

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 La Paz, Uruguay.

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 La Paz, Uruguay

La Paz, Uruguay is situated in a region characterized by gently rolling plains typical of Uruguay's coastal areas. The topography around La Paz is predominantly flat to slightly undulating, with elevations generally ranging between 20 to 40 meters above sea level. This area forms part of the broader Río de la Plata basin, with subtle terrain variations rather than dramatic changes in elevation. The landscape features scattered low hills and shallow valleys, with gradual slopes rather than steep inclines. The Rio Santa Lucia flows not far from La Paz, influencing the local topography with its associated floodplains. Natural drainage patterns have created minor depressions and elevated areas throughout the region, though these are modest compared to truly hilly or mountainous terrain.

Optimal Areas for Solar PV Development

For large-scale solar photovoltaic installations, the most suitable areas near La Paz would be the gently sloping terrain with southern exposures that receive consistent sunlight throughout the day. The flat plains extending to the north and northwest of La Paz present particularly favorable conditions for solar development, as they offer large, uninterrupted stretches of land with minimal shading concerns. These northern plains benefit from good solar exposure and relatively uniform terrain that would minimize construction challenges and maximize energy capture efficiency. The areas featuring slight south-facing inclines would be especially advantageous, as they naturally optimize the angle of solar radiation reception in the Southern Hemisphere. Areas to avoid would include the riparian zones near the Rio Santa Lucia and its tributaries, which may be subject to occasional flooding and have higher ecological sensitivity. Similarly, any locations with significant tree cover or where the land drops into small valleys would be less ideal due to potential shading issues. The relatively stable geological conditions of the region also provide a solid foundation for solar infrastructure, with minimal concerns about subsidence or other ground stability issues that might affect large installations. The predominantly clay and loam soils typical of this region generally offer good load-bearing capacity for solar array foundations.

Uruguay solar PV Stats as a country

Uruguay ranks 66th in the world for cumulative solar PV capacity, with 258 total MW's of solar PV installed. Each year Uruguay is generating 69 Watts from solar PV per capita (Uruguay ranks 46th in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in Uruguay?

Yes, there are incentives for businesses wanting to install solar energy in Uruguay. The Uruguayan government offers a range of financial incentives and tax breaks for businesses that invest in renewable energy projects. These include grants, loans, and tax credits. Additionally, the government has established a feed-in tariff system which guarantees a fixed price for electricity generated from renewable sources such as solar energy. This helps to make investing in solar energy more attractive to businesses.

Do you have more up to date information than this on incentives towards solar PV projects in Uruguay? Please reach out to us and help us keep this information current. Thanks!

Citation Guide

Article Details for Citation

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.