Solar Energy Potential in Fort Davis, Texas

Fort Davis, Texas, located in the Northern Sub Tropics at coordinates 30.5882, -103.8946, offers excellent conditions for solar PV energy generation throughout the year. This location experiences strong seasonal variations in solar production that make it particularly well-suited for renewable energy development. The solar energy output at this location shows significant seasonal patterns. Summer provides the highest production at 7.33kWh per day for each kilowatt of installed capacity. Spring follows closely behind with 7.22kWh/day per kW. Autumn yields a moderate 5.61kWh/day per kW, while winter shows the lowest but still respectable output of 4.26kWh/day per kW. For those installing fixed solar panels in Fort Davis, the ideal tilt angle to maximize year-round production is 27 degrees facing South. This angle optimizes the annual solar harvest by balancing seasonal variations in the sun's position throughout the year.

Peak Production Periods

The late spring through summer months represent the prime solar generation period in Fort Davis. From April through August, the combination of longer days and more direct sunlight creates optimal conditions for solar energy production. The nearly equivalent output between spring and summer indicates consistent high performance across these warmer months. The autumn months show a moderate decline in production as the sun's angle becomes less direct. Winter, while producing the least energy, still maintains reasonable output levels compared to many other U.S. locations, demonstrating Fort Davis' year-round solar viability.

Environmental and Weather Considerations

Fort Davis faces several environmental factors that can affect solar production. The region experiences occasional dust storms due to its semi-arid climate, which can temporarily reduce panel efficiency by blocking sunlight and coating panels with dust. Regular cleaning maintenance or automated cleaning systems can mitigate this issue. Hail storms, though infrequent, can occur in this part of Texas. Installing impact-resistant solar panels or systems with stow capabilities during severe weather can protect the investment. Summer thunderstorms bring lightning risks that should be addressed with proper grounding and surge protection systems. These storms are typically brief, causing minimal disruption to overall production. Temperature extremes can affect panel efficiency, as very high temperatures slightly reduce solar panel performance. Ensuring adequate airflow beneath panels and using temperature-resistant components helps maintain optimal efficiency during hot summer days. The relatively high elevation of Fort Davis (about 5,050 feet) means installations receive less atmospheric filtering of sunlight, potentially increasing efficiency. However, this elevation also increases exposure to UV radiation, requiring durable materials that resist UV degradation. With proper system design addressing these environmental factors, Fort Davis offers an excellent location for solar energy production throughout the year, with particularly strong performance during the warmer months.

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 Fort Davis

Seasonal solar PV output for Latitude: 30.5882, Longitude: -103.8946 (Fort Davis, 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 27° South in Fort Davis, United States

To maximize your solar PV system's energy output in Fort Davis, United States (Lat/Long 30.5882, -103.8946) throughout the year, you should tilt your panels at an angle of 27° 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 Fort Davis, 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 Fort Davis, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 27° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
14° South in Summer	36° South in Autumn	46° South in Winter	24° 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 Fort Davis, 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 Fort Davis, 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 Fort Davis, United States

The region surrounding Fort Davis, Texas, is characterized by diverse and dramatic topography that has been shaped over millions of years by geological forces. Fort Davis sits within the Davis Mountains, which form part of the larger Trans-Pecos region of West Texas. This mountainous area represents one of the largest mountain ranges in Texas, with elevations ranging from approximately 4,900 feet at Fort Davis itself to over 8,000 feet at the highest peaks in the vicinity. The Davis Mountains are volcanic in origin, having formed through ancient volcanic activity approximately 35 million years ago. This volcanic heritage has created a landscape of rugged peaks, steep slopes, deep canyons, and intermontane basins. The terrain features numerous volcanic formations including igneous intrusions, lava flows, and ash deposits that have weathered over time into the current landscape.

Mountain Features and Valleys

The immediate surroundings of Fort Davis include Mount Locke and Mount Fowlkes to the northwest, which host the McDonald Observatory at elevations exceeding 6,700 feet. Limpia Canyon cuts through the area, creating a significant topographical feature that has historically provided passage through the mountains. The canyon's walls rise steeply from the valley floor, showcasing layers of volcanic rock. To the east and southeast, the landscape gradually transitions to more gentle terrain as it approaches the Chihuahuan Desert. This transition zone features rolling hills and alluvial fans where sediment has accumulated at the base of the mountains. The Musquiz Canyon and Chihuahua Creek drainage systems have carved additional valleys through the terrain.

Suitable Areas for Solar Development

For large-scale solar photovoltaic development, the most suitable areas near Fort Davis would be the flatter regions extending eastward and southeastward toward Marfa and Alpine. These areas offer several advantages for solar installation: The basin areas between Fort Davis and Marfa present relatively flat terrain with minimal shading from mountains. This open landscape receives consistent solar exposure throughout the day, making it ideal for photovoltaic arrays. The gentle slopes in this region also minimize the need for extensive grading during construction. The desert plains southeast of Fort Davis toward Marathon provide expansive, unobstructed land with minimal vegetation interference. These areas feature stable soil conditions that can support the infrastructure requirements of large solar installations while requiring minimal site preparation. Areas along Highway 17 south of Fort Davis offer a combination of favorable topography and proximity to existing transportation infrastructure. This accessibility reduces development costs while the relatively level terrain in this corridor presents fewer engineering challenges than mountainous alternatives.

Topographical Challenges

While the region offers excellent potential for solar development, certain topographical features present challenges. The mountainous areas immediately surrounding Fort Davis are less suitable due to steep slopes, variable aspects (the direction slopes face), and potential shading issues. These areas would require significant grading and present complications for both construction and maintenance access. Additionally, some low-lying areas within the region are prone to flash flooding during seasonal rain events. These drainage channels and arroyos should be avoided when siting large-scale solar installations to prevent damage to equipment and infrastructure. The Davis Mountains create interesting microclimate effects, including orographic lifting that can increase cloud formation over higher elevations. Solar development is therefore more optimally placed in the lower elevation areas that experience fewer cloud-building effects from the mountains. Overall, the topographical diversity around Fort Davis creates both opportunities and constraints for solar development, with the most promising locations being the transitional zones between mountains and desert where relatively flat terrain combines with excellent solar exposure conditions.

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.