Solar Energy Potential in Huntsville, Texas

Huntsville, Texas, located in the Northern Sub Tropics at coordinates 30.6475, -95.5793, offers reasonably good conditions for solar PV energy generation throughout the year, though with significant seasonal variations. The location experiences its strongest solar production during summer months, with moderate potential in spring and fall, and notably reduced output during winter.

Based on the expected electricity output per kW of installed solar capacity, summer is clearly the peak production season with 6.59kWh/day. Spring follows as the second most productive season with 5.20kWh/day, while autumn generates a respectable 4.88kWh/day. Winter shows the most significant drop, producing only 3.08kWh/day per kW installed.

For maximizing year-round solar energy production in Huntsville, fixed solar panels should be installed at a tilt angle of 27 degrees facing South. This optimal angle has been calculated based on solar elevation angles at this specific latitude, weighted by the daily PV potential throughout the year.

Environmental and Weather Considerations

Several environmental factors in Huntsville can affect solar energy production. The region experiences high humidity levels and occasional heavy cloud cover, particularly during spring thunderstorm season, which can temporarily reduce solar efficiency. Huntsville also receives approximately 45-50 inches of rainfall annually, with precipitation distributed throughout the year.

Summer months bring occasional extreme heat conditions that can slightly reduce panel efficiency when temperatures exceed 90°F, which happens frequently in July and August. The region also faces potential impacts from Atlantic hurricane season (June through November), which can bring extended periods of cloud cover and storms.

To mitigate these challenges, solar installations in Huntsville should include:

• Proper elevation of ground-mounted systems to prevent flooding damage during heavy rainfall events
• High-quality mounting systems designed to withstand occasional high winds
• Regular panel cleaning schedules to remove pollen (especially heavy in spring) and other debris
• Selection of panels with good high-temperature performance ratings

Despite these considerations, Huntsville's location still provides sufficient solar resources to make photovoltaic systems viable, particularly if sized appropriately to account for the winter production dip. The strong summer production can help offset the reduced winter output in annual energy calculations.

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 Huntsville, Texas

Seasonal solar PV output for Latitude: 30.6475, Longitude: -95.5793 (Huntsville, Texas, 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 Huntsville, Texas, United States

To maximize your solar PV system's energy output in Huntsville, Texas, United States (Lat/Long 30.6475, -95.5793) 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 Huntsville, Texas, 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 Huntsville, Texas, 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
15° South in Summer	35° 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 Huntsville, Texas, 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 Huntsville, Texas, 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 Huntsville, Texas, United States

Huntsville, Texas, nestled in the eastern part of the state, features a diverse topographical landscape characterized primarily by the piney woods and gentle rolling hills of the East Texas region. The terrain around Huntsville is part of the larger Gulf Coastal Plain, with elevations typically ranging between 300 to 500 feet above sea level. The area is marked by a mixture of forested lands, particularly pine and hardwood forests, interspersed with open clearings and some agricultural fields. The Sam Houston National Forest borders portions of the Huntsville area, contributing to the region's woodland character. Throughout the vicinity, numerous creeks, small rivers, and reservoirs dot the landscape, including Lake Livingston to the east and Lake Conroe to the south. These water features have shaped the local topography through erosion over time, creating subtle valleys and drainage patterns.

Soil Composition and Land Features

The soils around Huntsville tend to be a mixture of sandy loams and clay, typical of the East Texas region. This soil composition, combined with the area's undulating terrain, has influenced land use patterns over generations. The land alternates between densely wooded areas and cleared spaces for agriculture, ranching, and development. Unlike the flat coastal plains further south or the more dramatic hill country to the west, Huntsville's topography offers modest elevation changes. These gentle hills provide some variation in the landscape without extreme slopes that might complicate development projects.

Optimal Areas for Solar PV Development

When considering large-scale solar photovoltaic (PV) installations near Huntsville, several factors related to topography become important. The most suitable areas would be: Cleared agricultural lands to the north and west of Huntsville proper present good opportunities for solar development. These areas typically feature relatively flat terrain with minimal shading from forests, creating ideal conditions for solar arrays. The gentle slopes in these locations also facilitate proper drainage without requiring extensive grading work. Former timber production areas that have been harvested offer potential sites for solar development. These cleared spaces, particularly those on south-facing gentle slopes, would receive consistent sunlight exposure throughout the day, maximizing energy generation potential. Areas near existing power infrastructure, such as the transmission corridors running through Walker County, would minimize connection costs while taking advantage of the suitable topography. These corridors often feature already-cleared land with appropriate grading. The regions northeast of Huntsville toward Trinity County include some larger tracts of land with favorable topography for solar installations. These areas offer a good balance of gentle slopes, cleared land, and minimal flooding risk. It's worth noting that while the forested nature of much of the region might seem limiting for solar development, the abundance of forest edges and transitional zones between wooded and cleared areas provides numerous opportunities for appropriately sized solar installations. The key consideration would be avoiding low-lying areas near water features where flooding might occur, focusing instead on the slightly elevated terrains that characterize much of the region's topography.

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!

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.