Rowlett, Texas is a fairly good location for year-round solar energy generation, though there are some seasonal variations to consider. On average, you can expect the most electricity production from your solar panels during the summer (6.86 kWh/day) and spring (5.34 kWh/day), while autumn (4.96 kWh/day) and winter (3.06 kWh/day) will produce less.
The best time of year to generate solar power at this location would be in the summer when sunlight is abundant due to longer days and higher position of the sun in the sky. Spring also provides a decent amount of sunlight, making it another good season for solar energy generation.
To maximize your total annual output from your solar PV system, you should tilt your panels 29 degrees towards south if they are fixed installations. This angle allows them to capture as much sunlight as possible throughout the day across all seasons.
However, there might be local factors that could affect solar production at this location such as weather conditions or environmental elements like trees or buildings that may shade panels and reduce their efficiency.
In terms of weather, Rowlett does experience occasional severe storms which could potentially damage panels or create debris that blocks sunlight if not immediately cleared away after each storm event. It's also important to note that although Texas has many sunny days per year; it can also have cloudy days which reduces potential electricity generation from PV systems on those specific days.
As preventative measures against these issues:
1) Ensure regular maintenance checks are carried out on your system post-storm events.
2) If possible install your system in an area with minimal shading from trees or buildings.
3) Consider investing in high-quality durable panels designed to withstand harsher weather conditions.
4) Make sure any debris blocking sunlight is promptly removed so maximum light exposure can be achieved daily regardless of season.
Overall though with proper installation and maintenance procedures followed; Rowlett TX presents a reasonably favorable location for solar energy generation year-round.
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 Rowlett
Seasonal solar PV output for Latitude: 32.9277, Longitude: -96.5563 (Rowlett, 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 29° South in Rowlett, United States
To maximize your solar PV system's energy output in Rowlett, United States (Lat/Long 32.9277, -96.5563) throughout the year, you should tilt your panels at an angle of 29° 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 Rowlett, 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 Rowlett, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 29° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 17° South in Summer | 38° South in Autumn | 48° South in Winter | 27° 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 Rowlett, 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 Rowlett, 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 Rowlett, United States
Rowlett is located in the state of Texas, United States. The topography around Rowlett is relatively flat with slight undulations. It's part of the Blackland Prairies region and it's situated near Lake Ray Hubbard which provides some variation to the otherwise level terrain.
The climate in this area is characterized by hot, humid summers and generally mild to cool winters. This makes it a potentially good location for solar PV installations due to its high sunlight exposure throughout the year.
Areas that would be most suited for large-scale solar PV installations are those with plenty of open, unshaded space such as farmland or unused industrial land. Given Rowlett's suburban nature, there might not be enough open space within city limits for large-scale projects; however, surrounding rural areas could provide suitable locations.
It should also be noted that any proposed project would need to take into consideration local regulations and zoning laws related to renewable energy infrastructure as well as potential impacts on local ecosystems and communities.
Finally, while Rowlett does have potential for solar power generation given its climate conditions, a detailed feasibility study including factors like grid connectivity and economic viability must be conducted before making any final decisions.
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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Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Thursday 4th of July 2024
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.




