Uvalde, Texas, located in the Northern Sub Tropics, offers a favorable environment for solar energy production throughout the year. With its geographical coordinates at 29.2152° N latitude and 99.7928° W longitude, this location benefits from abundant sunlight, making it a promising site for solar photovoltaic (PV) installations.

Seasonal Solar Performance

Solar energy generation in Uvalde varies across seasons, with summer being the most productive period. During summer months, a solar PV system can be expected to generate an impressive 6.88 kWh per day for each kilowatt of installed capacity. Spring follows as the second most productive season, yielding 5.60 kWh/day/kW, while autumn produces 5.12 kWh/day/kW. Winter, although less productive, still manages a respectable output of 3.52 kWh/day/kW.

Optimal Panel Placement

To maximize year-round solar energy production in Uvalde, fixed solar panels should be tilted at an angle of 26 degrees facing south. This optimal angle ensures that the panels capture the most sunlight throughout the year, accounting for the Earth's elliptical orbit and the location's specific latitude.

Environmental Considerations

While Uvalde's climate is generally conducive to solar energy production, there are a few environmental factors to consider:

• Dust and pollen: The region's semi-arid climate can lead to dust accumulation on solar panels, potentially reducing efficiency.
• Occasional severe weather: Texas is known for its thunderstorms and occasional hailstorms, which could pose a risk to solar installations.

Preventative Measures

To mitigate these environmental challenges and ensure optimal solar production, consider implementing the following measures:

1. Regular cleaning: Establish a routine cleaning schedule for solar panels to remove dust and pollen buildup.

2. Protective coverings: Install hail-resistant covers or shields to protect panels during severe weather events.

3. Quality inverters: Use high-quality inverters designed to handle voltage fluctuations common during thunderstorms.

4. Professional installation: Ensure that your solar PV system is installed by experienced professionals who understand local weather patterns and can implement appropriate safeguards.

By taking these precautions, solar energy systems in Uvalde can maintain high efficiency and durability, capitalizing on the location's excellent solar potential throughout the year.

Note: The Northern Sub Tropics extend from 23.5° latitude North up to 35° latitude.

So far, we have conducted calculations to evaluate the solar photovoltaic (PV) potential in 4253 locations across the United States. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in the United States by location

Solar output per kW of installed solar PV by season in Uvalde

Seasonal solar PV output for Latitude: 29.2152, Longitude: -99.7928 (Uvalde, United States), 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 26° South in Uvalde, United States

To maximize your solar PV system's energy output in Uvalde, United States (Lat/Long 29.2152, -99.7928) throughout the year, you should tilt your panels at an angle of 26° South 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 Uvalde, United States

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 Uvalde, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 26° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
13° South in Summer	34° South in Autumn	45° South in Winter	23° South 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 Uvalde, United States

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 Uvalde, United States.

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 Uvalde, United States

The topography around Uvalde, Texas, located at approximately 29.2152°N latitude and 99.7928°W longitude, is characterized by gently rolling hills and plateaus typical of the Texas Hill Country. This region sits at the southern edge of the Edwards Plateau, where the landscape transitions from the higher elevations of central Texas to the flatter coastal plains to the south. The area surrounding Uvalde features a mix of open grasslands, scattered woodlands, and rocky outcroppings. The terrain is generally undulating, with elevations ranging from about 900 to 1,500 feet above sea level. The Nueces River and its tributaries have carved shallow valleys through the limestone bedrock, creating a network of waterways that shape the local topography.

Potential for Large-Scale Solar PV

Several areas near Uvalde show promise for large-scale solar photovoltaic (PV) installations. The most suitable locations would be found on the relatively flat, open spaces to the south and southeast of the city. These areas offer expansive tracts of land with minimal shading from natural features or man-made structures, which is ideal for maximizing solar energy capture. The gently sloping terrain in these regions provides good drainage and reduces the risk of flooding, an important consideration for solar farm construction. Additionally, the abundant sunshine typical of South Texas, with an average of about 220 clear days per year, makes this area particularly attractive for solar energy production. Areas to the north and west of Uvalde, while still potentially viable, may be slightly less suitable due to more varied topography and increased tree cover. However, careful site selection could still yield suitable locations in these directions. It's worth noting that any large-scale solar PV project would need to consider factors beyond topography, such as proximity to existing power infrastructure, local zoning regulations, and environmental impact assessments. The semi-arid climate of the region also means that dust accumulation on solar panels could be a concern, requiring regular maintenance to ensure optimal performance.

United States solar PV Stats as a country

United States ranks 2nd in the world for cumulative solar PV capacity, with 95,209 total MW's of solar PV installed. This means that 3.40% of United States's total energy as a country comes from solar PV (that's 26th in the world). Each year United States is generating 289 Watts from solar PV per capita (United States ranks 15th in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in United States?

Yes, there are several incentives for businesses wanting to install solar energy in the United States. These include federal tax credits, state and local rebates, net metering policies, and renewable energy certificates (RECs). Additionally, many states have enacted legislation that requires utilities to purchase a certain amount of electricity from renewable sources such as solar.

Do you have more up to date information than this on incentives towards solar PV projects in United States? 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.