Oakland, Tennessee, located in the Northern Temperate Zone, presents a moderately favorable location for year-round solar energy generation, though with notable seasonal variations that potential solar installers should carefully consider.
Seasonal Solar Production Patterns
The solar energy output at this location shows significant seasonal fluctuation. Summer provides the peak production period at 6.51 kWh per day per installed kW, making it the most productive season for solar generation. Spring follows as the second-best season with 5.63 kWh per day per kW, offering nearly comparable output to summer months. Autumn production drops to 4.14 kWh per day per kW, representing a moderate decline from peak seasons. Winter presents the most challenging period for solar generation, producing only 2.49 kWh per day per kW - less than half of summer production levels.Optimal Installation Configuration
For maximum year-round solar energy production at Oakland, Tennessee, fixed solar panels should be installed at a 31-degree tilt angle facing south. This optimal angle is calculated by analyzing daily solar elevation angles at this latitude, determining daily optimal panel positioning, and weighting these angles according to solar irradiance data while accounting for Earth's elliptical orbit patterns.Local Environmental and Weather Challenges
Several factors common to Tennessee's climate and geography can impact solar production efficiency in Oakland:- Humidity and moisture: High humidity levels typical of Tennessee summers can reduce panel efficiency and create condensation issues
- Severe weather events: The region experiences thunderstorms, potential tornado activity, and occasional ice storms that can damage panels or reduce production
- Tree coverage and vegetation: Tennessee's abundant forest cover may create shading issues depending on installation site
- Atmospheric haze: Summer heat and humidity can create atmospheric conditions that reduce solar irradiance
Preventative Installation Measures
To maximize solar energy production despite these challenges, several installation strategies prove beneficial: Proper ventilation spacing beneath panels helps combat humidity effects and prevents overheating during Tennessee's hot summers. Installing panels with adequate airflow channels maintains optimal operating temperatures. Robust mounting systems designed to withstand high winds and potential hail damage are essential. Choose mounting hardware rated for the region's severe weather patterns, including potential ice loading during winter storms. Careful site selection and tree management prevent shading issues. Conduct thorough shade analysis before installation and consider selective tree trimming or removal where necessary. Position arrays to avoid shadows from existing structures and vegetation. Regular cleaning and maintenance schedules help combat the effects of pollen, dust, and organic debris common in Tennessee's humid climate. Automated cleaning systems or accessible panel designs facilitate ongoing maintenance. Installing micro-inverters or power optimizers rather than string inverters helps minimize production losses when individual panels experience shading or debris accumulation, ensuring maximum system performance even when some panels operate at reduced efficiency.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 Oakland, Tennessee
Seasonal solar PV output for Latitude: 36.2778, Longitude: -88.2295 (Oakland, 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 Oakland, Tennessee, United States
To maximize your solar PV system's energy output in Oakland, Tennessee, United States (Lat/Long 36.2778, -88.2295) 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 Oakland, 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 Oakland, 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 |
|---|---|---|---|
| 20° South in Summer | 41° South in Autumn | 51° South in Winter | 29° 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 Oakland, 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 Oakland, 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 Oakland, Tennessee, United States
Oakland, United States sits in western Kentucky at coordinates 36.2778°N, 88.2295°W, positioned within the Jackson Purchase region of the state. This area forms part of the broader Mississippi River valley system and exhibits relatively gentle topography characteristic of the western Kentucky lowlands.
The terrain around Oakland consists primarily of rolling hills and broad, flat valleys that were shaped by ancient river systems and glacial influences. The elevation changes are generally modest, with the landscape featuring gradual slopes rather than steep inclines. Much of the surrounding countryside has been cleared for agricultural use over the past two centuries, creating expansive open fields interspersed with woodlands and scattered rural development.
The region's geology consists mainly of sedimentary rocks overlain by fertile soils, which has made it attractive for farming. Creek systems and small rivers drain the area, flowing generally westward toward the Mississippi River. These waterways have carved shallow valleys through the landscape, but the overall relief remains relatively subdued compared to the more mountainous regions of eastern Kentucky.
Optimal Areas for Solar Development
The most promising locations for large-scale solar photovoltaic installations in the Oakland vicinity would be the extensive flat to gently rolling agricultural fields that dominate the landscape. These open areas offer several advantages for solar development, including minimal shading from topographic features, good accessibility for construction and maintenance vehicles, and existing cleared land that would require minimal site preparation.
The broad valley floors and gentle ridge tops present ideal solar siting opportunities. South-facing slopes with gradual inclines of less than ten degrees would be particularly well-suited, as they provide optimal solar exposure while remaining suitable for standard mounting systems. Many of the agricultural fields in the area already possess these characteristics.
Areas to the south and southwest of Oakland appear especially promising, where the topography opens up into wider valleys with fewer trees and minimal residential development. The relatively flat terrain in these locations would allow for efficient panel layouts and reduce the complexity of installation. Additionally, the agricultural nature of much of this land means that large contiguous parcels are often available, which is essential for utility-scale solar projects.
The region's gentle topography also offers flexibility in project design, allowing developers to orient solar arrays for maximum efficiency without being constrained by steep slopes or irregular terrain. The open nature of the landscape ensures minimal shading from adjacent hills or ridgelines, which can significantly impact solar production in more mountainous areas.
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 17th of July 2025
Last Updated: Wednesday 6th of August 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.




