Columbia, Tennessee, located in the Northern Temperate Zone, offers a moderately favorable environment for solar PV energy generation. The location's seasonal variations in solar output provide insights into its potential for year-round solar energy production.
Seasonal Solar Performance
Summer stands out as the peak season for solar energy generation in Columbia, with an impressive 6.23 kWh per day output for each kW of installed solar capacity. Spring follows closely, yielding 5.71 kWh/day. These seasons present ideal conditions for maximizing solar energy production.
Autumn sees a noticeable decrease in solar output, producing 4.31 kWh/day. While less productive than summer and spring, it still offers reasonable energy generation potential. Winter, however, experiences a significant drop to 2.64 kWh/day, presenting challenges for consistent year-round energy production.
Optimal Panel Installation
For fixed panel installations in Columbia, the ideal tilt angle to maximize year-round solar production is 31 degrees facing South. This angle optimizes the panels' exposure to sunlight throughout the year, accounting for the location's latitude and seasonal sun position variations.
Environmental Considerations
While Columbia's climate is generally conducive to solar energy production, there are some factors that could potentially impact solar panel efficiency:
- Humidity: Columbia's humid subtropical climate may lead to occasional foggy conditions, slightly reducing solar panel efficiency.
- Precipitation: The area experiences regular rainfall, which can temporarily decrease solar output.
To mitigate these factors, consider installing panels with anti-reflective coatings to improve performance in humid conditions. Additionally, ensuring proper drainage and regular cleaning can help maintain optimal panel efficiency during rainy periods.
Overall, Columbia, Tennessee offers a good location for solar PV energy generation, with particularly strong potential during spring and summer months. While winter presents challenges, the annual average suggests that solar energy remains a viable option for this location.
Note: The Northern Temperate Zone extends from 35° latitude North up to 66.5° 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 Columbia, Tennessee
Seasonal solar PV output for Latitude: 35.6173, Longitude: -87.0317 (Columbia, Tennessee, 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 31° South in Columbia, Tennessee, United States
To maximize your solar PV system's energy output in Columbia, Tennessee, United States (Lat/Long 35.6173, -87.0317) throughout the year, you should tilt your panels at an angle of 31° 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 Columbia, Tennessee, 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 Columbia, Tennessee, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 31° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 19° South in Summer | 40° South in Autumn | 51° South in Winter | 28° 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 Columbia, Tennessee, 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 Columbia, Tennessee, 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 Columbia, Tennessee, United States
The topography around Columbia, United States, located at latitude 35.6173 and longitude -87.0317, is characterized by gently rolling hills and shallow valleys typical of the Middle Tennessee region. This area is part of the Highland Rim, a physiographic region that surrounds the Nashville Basin. The landscape features a mix of open fields, wooded areas, and numerous small streams and creeks that wind through the countryside. The terrain in and around Columbia is generally undulating, with elevations ranging from about 600 to 800 feet above sea level. The Duck River, a major waterway in the region, flows through Columbia and has carved a shallow valley in the surrounding landscape. This river and its tributaries have played a significant role in shaping the local topography over time.
Potential Areas for Large-Scale Solar PV
When considering areas nearby that would be most suited to large-scale solar photovoltaic (PV) installations, several factors come into play. Ideal locations for solar farms typically include flat or gently sloping land with good sun exposure and minimal shading from trees or other obstacles. The agricultural lands surrounding Columbia offer promising potential for solar PV development. Many of the open fields and pastures in Maury County and neighboring counties provide relatively flat terrain with unobstructed access to sunlight. These areas are often already cleared of trees and have existing road access, making them attractive for solar farm development. Specifically, the areas to the south and west of Columbia, where the terrain tends to be flatter and more open, could be particularly well-suited for large-scale solar installations. The gently rolling hills in these directions provide opportunities for south-facing slopes, which can optimize solar panel efficiency. It's important to note that while the topography in this region is generally favorable for solar PV, site-specific assessments would be necessary to determine the most suitable locations. Factors such as proximity to electrical infrastructure, local zoning regulations, and environmental considerations would also need to be taken into account when planning large-scale solar projects in the area around Columbia.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 19th of December 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.
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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.




