Webster, Texas, situated in the northern subtropical region at coordinates 29.5377, -95.1183, offers a promising location for solar PV energy generation with distinct seasonal variations in production capacity.
This location experiences strong solar potential throughout the year, with summer being the most productive season at 6.40kWh per day for each kilowatt of installed capacity. Spring follows with 5.22kWh/day, then autumn with 4.84kWh/day, while winter sees the lowest output at 3.26kWh/day per installed kilowatt.
Seasonal Solar Performance
The substantial difference between summer and winter production (nearly double) reflects the seasonal variation typical of subtropical locations. The strong performance during spring and summer makes these ideal periods for solar energy generation in Webster. Even during autumn and winter, the system continues to produce meaningful amounts of electricity, making year-round solar generation viable.
For maximum year-round energy production, fixed solar panels in Webster should be installed at a 26-degree tilt facing south. This optimal angle balances seasonal sun positions to capture the greatest possible solar energy throughout the year.
Environmental Challenges
Several significant environmental factors in Webster can affect solar production:
- Hurricane and tropical storm exposure that can bring high winds and flooding
- High humidity levels that may accelerate component degradation
- Occasional hailstorms that pose physical risks to panels
- Salt air exposure due to proximity to the Gulf of Mexico
- Heavy rainfall events that can temporarily reduce production
Preventative Measures
To mitigate these challenges, solar installations in Webster should incorporate hurricane-rated mounting systems designed to withstand high winds. Elevated mounting heights can protect against potential flooding, while marine-grade components resist salt air corrosion.
Regular cleaning schedules help counter dust accumulation and salt deposits. High-quality panels with tempered glass provide better resistance to hail damage. Additionally, proper drainage systems around ground-mounted arrays prevent water accumulation during heavy rainfall events.
Despite these challenges, Webster's strong solar production potential, particularly from spring through autumn, makes it a viable location for solar PV installations when proper preventative measures are implemented.
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 Webster, Texas
Seasonal solar PV output for Latitude: 29.5377, Longitude: -95.1183 (Webster, 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 26° South in Webster, Texas, United States
To maximize your solar PV system's energy output in Webster, Texas, United States (Lat/Long 29.5377, -95.1183) 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 Webster, 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 Webster, Texas, 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 |
|---|---|---|---|
| 14° South in Summer | 35° 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 Webster, 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 Webster, Texas, United States.
Our calculation method
- Solar Position:
We determine the Sun's position on the Winter solstice using the location's latitude and solar declination. - Shadow Projection:
We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle. - 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 Webster, Texas, United States
The topography around Webster, Texas, is characterized by its low-lying, predominantly flat terrain typical of the Gulf Coastal Plain. Located in Harris County, just southeast of Houston, Webster sits at an average elevation of approximately 25-30 feet (7.6-9.1 meters) above sea level. The landscape features minimal natural elevation changes, with only slight undulations across the region. This area is part of the greater Houston-Galveston region, which consists primarily of coastal prairie ecosystems. The natural topography includes scattered freshwater wetlands, bayous, and drainage channels that flow toward Galveston Bay, which lies just a few miles to the east of Webster. Clear Creek forms a significant natural boundary along the southern edge of Webster, with its associated floodplain creating some of the few notable topographical variations in the immediate vicinity.
Soil and Land Characteristics
The soils around Webster are predominantly clay-based with poor drainage characteristics, typical of coastal plain formations. These soils developed from sedimentary deposits laid down over millennia as the coastline gradually shifted. During heavy rainfall events, these clay soils can become saturated quickly, leading to standing water in many areas. The flat topography combined with the region's subtropical climate has historically supported tall grass prairie vegetation, though much of the natural landscape has been altered by urban development, agriculture, and industrial activity. What remains of the natural environment consists of coastal prairie grasses, scattered woodlands along waterways, and wetland vegetation in low-lying areas.Potential Areas for Solar PV Development
For large-scale solar photovoltaic (PV) development near Webster, several factors beyond just topography need consideration. The ideal areas would combine flat terrain, minimal flooding risk, good solar exposure, and appropriate land use designations. The areas to the southwest of Webster, extending toward Alvin and Manvel, offer some of the better prospects for large-scale solar development. These areas feature relatively flat agricultural lands with fewer wetland features than areas closer to the coast. The land here typically has better drainage than properties immediately adjacent to Galveston Bay, reducing flooding concerns that could impact solar infrastructure. Areas along the transportation corridors of Highway 35 and Interstate 45, particularly in less developed sections, present opportunities for solar development on land that has already been partially cleared. These locations benefit from existing access to transportation infrastructure, which facilitates construction and maintenance of solar facilities. The northwestern areas toward Friendswood and Pearland also contain suitable parcels, though increasing suburban development in these areas may limit the availability of large contiguous tracts necessary for utility-scale solar installations.Topographical Considerations for Solar Development
While the flat terrain around Webster is generally advantageous for solar PV installation (requiring minimal grading and site preparation), developers must account for the region's susceptibility to flooding. The proximity to the Gulf Coast means this area experiences tropical storms and hurricanes, which can bring significant rainfall and storm surge in severe cases. Land that sits slightly higher than the surrounding areas—even just a few feet of elevation advantage—can provide meaningful protection against localized flooding. Areas west of Interstate 45, which generally sit at slightly higher elevations than those to the east, might offer marginally better protection from coastal flooding events. The clay-heavy soils present challenges for construction and may require specialized foundation systems for solar array mounting structures. However, these same soils generally provide stable platforms once properly prepared and engineered. For optimal solar exposure, developers should avoid areas with significant tree cover, which is primarily found along riparian corridors like Clear Creek and its tributaries. The open agricultural and prairie lands that characterize much of the region outside the immediate urban centers provide excellent solar exposure with minimal shading concerns.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
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Thursday 1st of May 2025
Last Updated: Monday 21st of July 2025
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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.




