Big Spring, Texas, located in the Northern Sub Tropics at coordinates 32.2796, -101.4548, offers a promising location for solar PV energy generation throughout the year. This West Texas city experiences substantial sunshine that can be harnessed effectively for electricity production, though with seasonal variations.

Seasonal Solar Production

Solar energy output at this location shows clear seasonal patterns. Summer stands out as the most productive season, generating approximately 7.79 kWh per day for each kilowatt of installed solar capacity. Spring follows as the second most productive season with 6.73 kWh/day, while autumn produces 5.42 kWh/day. Winter, as expected, shows the lowest output at 3.66 kWh/day per kW installed.

The nearly 8 kWh daily production during summer months makes this an excellent time for solar generation, with long days and high sun angles maximizing energy capture. Spring and autumn offer moderate but still significant production capabilities, while winter output drops to less than half of summer production.

Optimal Panel Installation

For fixed panel installations in Big Spring, the ideal tilt angle to maximize year-round solar production is 28 degrees facing South. This specific angle has been calculated to optimize annual energy capture based on the location's latitude and seasonal sun positions throughout the year.

Environmental and Weather Considerations

Several environmental factors in Big Spring can affect solar production efficiency:

• Dust and sand accumulation: The West Texas region experiences dust storms that can deposit significant amounts of particulate matter on solar panels, reducing efficiency.
• High summer temperatures: While summer offers peak production, extreme heat (often exceeding 100°F/38°C) can slightly reduce panel efficiency.
• Occasional hailstorms: The region experiences severe weather including hail that can potentially damage panels.
• Seasonal thunderstorms: Spring and summer storms can temporarily reduce production.

Preventative Measures

To maximize solar energy production in Big Spring despite these challenges, several measures can be implemented:

• Regular cleaning schedule: Implementing quarterly or monthly panel cleaning to remove dust and sand buildup.
• Elevated mounting systems: Installing panels with sufficient ground clearance to minimize dust accumulation and allow for natural cleaning during rainfall.
• Hail-resistant panels: Selecting solar panels rated for impact resistance appropriate for the region.
• Proper ventilation: Ensuring adequate airflow beneath panels to mitigate efficiency losses from high temperatures.
• Tracking systems consideration: While fixed panels at 28° are optimal for simplicity, single-axis tracking systems could increase overall production by following the sun's daily path.

Overall, Big Spring presents favorable conditions for solar energy production, with particularly strong generation potential from spring through fall. The substantial difference between summer and winter output suggests that system sizing should account for these seasonal variations to meet year-round energy needs.

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 Big Spring

Seasonal solar PV output for Latitude: 32.2796, Longitude: -101.4548 (Big Spring, 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 28° South in Big Spring, United States

To maximize your solar PV system's energy output in Big Spring, United States (Lat/Long 32.2796, -101.4548) throughout the year, you should tilt your panels at an angle of 28° 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 Big Spring, 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 Big Spring, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 28° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
16° South in Summer	37° South in Autumn	48° South in Winter	25° 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 Big Spring, 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 Big Spring, 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 Big Spring, United States

The terrain surrounding Big Spring, Texas, is characterized by the gently rolling plains typical of West Texas, marking the transition zone between the High Plains to the north and the Edwards Plateau to the south. Big Spring sits at an elevation of approximately 2,400 feet (730 meters) above sea level, nestled in Howard County within the Permian Basin region. The landscape features subtle undulations rather than dramatic elevation changes, creating an open, expansive feel across the horizon.

Topographical Features

The namesake "Big Spring" refers to a natural spring that once flowed abundantly in the area, though its output has diminished over time. The city itself is positioned in a shallow depression, with slightly higher terrain forming a loose ring around the urban center. To the north and west, the land gradually rises toward the Llano Estacado (Staked Plains), while to the south, the terrain becomes more varied as it approaches the northern reaches of the Edwards Plateau. Intermittent draws and dry creek beds cut across the landscape, remnants of ancient water flows that become active during rare heavy rainfall events. The soil composition is predominantly sandy loam with underlying caliche layers, supporting sparse native vegetation consisting of drought-resistant grasses, mesquite, and various desert shrubs.

Solar Development Potential

The topographical characteristics of the Big Spring area make it particularly well-suited for large-scale solar photovoltaic development. The relatively flat terrain reduces the costs associated with land preparation and minimizes shading concerns between solar array rows. Several specific areas stand out as especially promising for utility-scale solar installations: The expansive plains extending west and southwest of Big Spring offer ideal conditions for solar development. These areas feature minimal slope gradients (typically less than 3%), limited vegetation requiring clearing, and good accessibility via existing road infrastructure. The land south of Interstate 20 combines favorable topography with proximity to transmission infrastructure. The slightly elevated plateaus north of the city present another promising zone for solar development. These areas receive minimal shadowing effects from surrounding terrain and maintain consistent exposure throughout the day. The stable, compacted soil composition in these northern reaches also provides good foundation conditions for mounting structures. Areas east of Big Spring toward Coahoma feature similar flat terrain advantages while potentially offering closer access to existing electrical substations and transmission corridors. The minimal variation in elevation throughout this corridor reduces construction complexity and associated costs. The region's topographical advantages are complemented by the climate conditions typical of West Texas, including minimal cloud cover and low atmospheric moisture content, which enhances solar radiation quality. The area experiences limited rainfall, reducing concerns about erosion or flooding at potential solar sites. From a topographical perspective, the primary constraints for solar development around Big Spring relate to occasional drainage channels and the need to avoid the few areas with steeper slopes that could increase installation costs. However, these constraints affect only a small percentage of the available land, leaving abundant suitable terrain for large-scale solar photovoltaic deployment.

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.