Palestine, Texas, located in the Northern Sub Tropics at coordinates 31.7585, -95.6564, presents a moderately favorable location for year-round solar energy generation, though with significant seasonal variations that potential solar installers should carefully consider.

Seasonal Solar Performance

The solar energy output at this location varies dramatically throughout the year. Summer delivers the strongest performance at 6.77 kWh per day per kW of installed solar capacity, making it the prime season for energy generation. Spring follows as the second-best performing season with 5.22 kWh per day per kW, while autumn drops to 4.89 kWh per day per kW. Winter presents the most challenging period for solar generation, producing only 2.90 kWh per day per kW of installed capacity. This represents less than half the summer output, indicating that residents relying heavily on solar power may need to plan for significantly reduced energy production during the colder months.

Optimal Panel Configuration

For maximum year-round energy production at Palestine, Texas, fixed solar panels should be tilted at 28 degrees facing south. This angle has been calculated to optimize total annual output by accounting for the sun's changing position throughout the year and weighting for daily solar potential.

Local Environmental Challenges

Several environmental and weather factors in East Texas can significantly impact solar energy production:

• High humidity and frequent cloud cover, particularly during summer months when thunderstorms are common
• Severe weather events including hail storms, tornadoes, and high winds that can damage solar installations
• Heavy pollen loads from the region's dense pine forests, which can coat panels and reduce efficiency
• Ice storms during winter months that can damage equipment or temporarily block sunlight

Preventative Measures for Better Performance

To maximize solar energy production despite these challenges, several installation strategies should be considered: Panels should be mounted with adequate spacing to promote air circulation, helping reduce the impact of high humidity and allowing for better cooling. Installing panels with anti-reflective coatings can help maintain efficiency even when atmospheric conditions are less than ideal. Regular cleaning schedules become particularly important in this location due to pollen accumulation. Installing panels at the optimal 28-degree tilt actually helps with natural cleaning, as rain can more effectively wash away debris compared to flatter installations. For weather protection, choosing panels and mounting systems rated for high wind loads and hail impact is essential. Some installers in this region recommend impact-resistant glass and reinforced mounting hardware to withstand severe weather events common to East Texas. Ground-mounted systems should include proper drainage to handle the area's periodic heavy rainfall, while roof-mounted systems need careful attention to structural integrity given the potential for ice loading during winter storms.

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 Palestine

Seasonal solar PV output for Latitude: 31.7585, Longitude: -95.6564 (Palestine, 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 Palestine, United States

To maximize your solar PV system's energy output in Palestine, United States (Lat/Long 31.7585, -95.6564) 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 Palestine, 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 Palestine, 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	36° South in Autumn	47° 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 Palestine, 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 Palestine, 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 Palestine, United States

Topography Around Palestine, Texas

Palestine sits in the heart of East Texas, positioned within the rolling hills and pine forests that characterize this region of the Lone Star State. The terrain around Palestine features gently undulating topography with elevations ranging from approximately 300 to 500 feet above sea level. This area lies within the East Texas Timberlands, where the landscape consists of moderate hills interspersed with valleys, creeks, and small rivers that drain toward the Trinity and Neches river systems.

The region experiences a gradual transition from the flatter coastal plains to the south and east toward the more pronounced hills of the East Texas forests. Dense stands of loblolly pine, shortleaf pine, and mixed hardwood forests dominate much of the natural landscape, though significant portions have been cleared for agriculture, particularly cattle ranching and hay production. The Davey Crockett National Forest lies to the southeast, while several state parks and recreational areas preserve portions of the native forest ecosystem.

Soils in the area are predominantly sandy loams and clay loams, formed from ancient marine sediments and weathered rock formations. These well-drained soils support both the native forest vegetation and agricultural activities. Small streams and creeks wind through the landscape, creating modest valleys and bottomlands that provide natural drainage patterns across the region.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations around Palestine would be the cleared agricultural lands and open pastures that dot the landscape between the forested areas. These locations offer several advantages, including relatively flat to gently sloping terrain that minimizes grading and construction costs while maximizing solar panel efficiency through optimal positioning.

The areas southwest and west of Palestine present particularly favorable conditions, where the landscape opens up somewhat from the dense forest cover. These regions feature larger cleared tracts of land currently used for cattle grazing and hay production, providing ample space for utility-scale solar arrays. The gentle slopes in these areas, typically ranging from one to five percent grade, are ideal for solar installations as they allow for proper drainage while maintaining efficient panel orientation.

Agricultural areas to the north and northwest of the city also show promise, where the terrain remains relatively open with good road access for construction and maintenance activities. These locations benefit from existing electrical infrastructure, as rural electric cooperatives and transmission lines already serve the farming communities in these areas.

The cleared bottomlands along some of the larger creek systems could serve as potential solar sites, though careful attention would need to be paid to flood plain regulations and seasonal water patterns. These areas often provide large, relatively flat expanses that have been cleared for agriculture, making them potentially cost-effective for solar development while avoiding the need to clear valuable forest resources.

Areas immediately adjacent to existing electrical transmission corridors would be particularly advantageous, as they would minimize the infrastructure investment required to connect solar installations to the electrical grid. The region benefits from its position within the Electric Reliability Council of Texas grid system, with several major transmission lines passing through or near the area to serve the broader East Texas region.

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.