Chacras de Dolores, Uruguay offers a moderately good location for year-round solar energy generation, though with significant seasonal variations typical of its Southern Sub Tropical climate. The solar output potential varies considerably throughout the year, making it important to understand the seasonal patterns when planning a solar installation.

Seasonal Solar Performance

Summer provides the strongest solar generation at this location, producing 7.91 kWh per day for each kW of installed solar capacity. This represents the peak performance period when panels will generate nearly twice as much electricity as during the weakest season. Spring follows as the second-best season with 6.39 kWh per day per kW, offering solid energy production as the sun climbs higher in the sky. Autumn sees a notable decline to 4.46 kWh per day per kW, while winter represents the challenging period with only 3.36 kWh per day per kW. This winter figure is less than half of the summer output, which means households and businesses need to plan for significantly reduced solar generation during the colder months.

Optimal Panel Configuration

For a fixed panel installation at Chacras de Dolores, the ideal angle to tilt panels to maximise total year-round production from solar PV is 29 degrees North. This angle has been calculated using a sophisticated method that accounts for daily solar elevation angles, optimal panel positioning, and weighting based on actual solar irradiance data throughout the year, including Earth's elliptical orbit patterns.

Environmental and Weather Challenges

Several local factors could potentially impact solar production at this location and require consideration during installation:

• Humidity and moisture: The subtropical climate brings high humidity levels that can reduce panel efficiency and promote corrosion of electrical components
• Seasonal storms: Uruguay experiences thunderstorms and strong winds, particularly during summer months, which can damage panels or mounting systems
• Salt air exposure: Being relatively close to the Atlantic coast, salt-laden air can accelerate corrosion of metal components
• Temperature fluctuations: Significant seasonal temperature variations can cause thermal stress on panels and reduce efficiency during hot periods

Preventative Installation Measures

To maximise energy production despite these challenges, several preventative measures should be implemented. Choose marine-grade or corrosion-resistant mounting hardware and electrical components specifically rated for humid, coastal environments. This helps combat both humidity and potential salt air effects. Install robust mounting systems designed to withstand high winds and use reinforced panel frames where necessary. Proper grounding and surge protection systems become essential given the thunderstorm activity in the region. Ensure adequate ventilation behind panels to prevent overheating and maintain efficiency during hot summer periods. Regular maintenance schedules should include cleaning panels to remove accumulated moisture, dust, or salt deposits, and periodic inspection of all electrical connections for signs of corrosion. Consider installing monitoring systems to quickly identify any performance issues that might arise from environmental factors. Despite these considerations, Chacras de Dolores remains a viable location for solar energy generation, particularly when proper installation techniques and equipment selection address the local environmental challenges.

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 Chacras De Dolores

Seasonal solar PV output for Latitude: -33.5446, Longitude: -58.2049 (Chacras De Dolores, 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 29° North in Chacras De Dolores, Uruguay

To maximize your solar PV system's energy output in Chacras De Dolores, Uruguay (Lat/Long -33.5446, -58.2049) throughout the year, you should tilt your panels at an angle of 29° 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 Chacras De Dolores, 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 Chacras De Dolores, Uruguay. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 29° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
17° North in Summer	39° North in Autumn	48° North in Winter	26° 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 Chacras De Dolores, 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 Chacras De Dolores, 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 Chacras De Dolores, Uruguay

Topography Around Chacras de Dolores

The area surrounding Chacras de Dolores in Uruguay features predominantly flat to gently rolling terrain characteristic of the Río de la Plata coastal plain. This region sits at relatively low elevation, with the landscape gradually sloping toward the nearby Río de la Plata estuary to the south. The topography consists of broad, open plains punctuated by gentle hills and shallow valleys, creating an undulating countryside that rarely presents significant elevation changes.

The immediate vicinity is marked by agricultural lands and pastoral fields, with scattered rural settlements and small towns dotting the landscape. Natural drainage patterns flow generally southward toward the river system, creating subtle depressions and ridgelines across the terrain. The soil composition includes fertile alluvial deposits mixed with sedimentary formations, supporting the region's agricultural character.

Small creeks and seasonal waterways meander through the area, though these watercourses typically occupy shallow valleys that do not dramatically alter the overall flat nature of the terrain. The coastal influence becomes more pronounced toward the south, where the land gradually transitions to lower-lying areas approaching the Río de la Plata shoreline.

Optimal Areas for Large-Scale Solar Development

The expansive flat plains extending north and northwest of Chacras de Dolores present excellent opportunities for large-scale solar photovoltaic installations. These areas offer minimal topographical constraints, allowing for efficient panel placement and maintenance access while avoiding the complications that steep slopes or irregular terrain can create for solar projects.

The gently rolling hills to the east and northeast also provide suitable conditions, particularly on south-facing slopes that can optimize solar exposure throughout the day. These elevated areas benefit from good drainage and typically experience fewer issues with ground moisture that might affect installation foundations.

Areas with existing agricultural use but lower soil productivity could transition well to solar development, as the flat to gently sloping terrain requires minimal grading or earthwork. The open nature of the landscape also facilitates electrical transmission infrastructure development, with clear sight lines and accessible routing for power lines connecting to the regional grid.

The western plains offer particularly attractive conditions due to their combination of flat terrain, minimal existing development, and distance from environmentally sensitive areas near the river systems. These locations provide ample space for large installations while maintaining appropriate setbacks from residential areas and critical infrastructure.

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.