Ringgold, Georgia, located in the Northern Sub Tropics, offers a moderately favorable environment for year-round solar energy generation, though with significant seasonal variations that potential solar installers should carefully consider.
Seasonal Solar Performance
The solar energy output at this location shows strong seasonal patterns. Summer delivers the highest production at 6.21 kWh per day per kW of installed solar capacity, making it the peak season for energy generation. Spring follows closely behind with 5.84 kWh per day per kW, representing nearly 94% of summer's output. Autumn sees a notable decline to 4.35 kWh per day per kW, dropping to about 70% of summer production. Winter presents the most challenging period for solar generation, with output falling to just 2.71 kWh per day per kW - less than half of summer's peak performance.Optimal Installation Configuration
For maximum year-round energy production at Ringgold, Georgia, solar panels should be installed at a fixed tilt angle of 30 degrees facing south. This angle has been calculated to optimize total annual output by accounting for the sun's changing position throughout the year and the varying solar irradiance levels at this latitude.Local Factors Affecting Solar Production
Several environmental and weather factors in the Ringgold area can significantly impact solar energy production:- Severe thunderstorms and hail during spring and summer months
- High humidity levels that can reduce panel efficiency
- Occasional ice storms in winter
- Heavy pollen accumulation, particularly in spring
- Potential for tornado activity in the region
Preventative Measures for Enhanced Performance
To maximize solar energy production despite these challenges, several protective and maintenance strategies should be implemented. Installing impact-resistant solar panels and robust mounting systems can protect against hail damage and severe weather events. Regular cleaning schedules, especially during pollen season, will prevent accumulation that blocks sunlight from reaching the panels. Proper drainage systems around the installation site help prevent water pooling and potential electrical issues during heavy rainfall periods. Additionally, choosing panels with anti-reflective coatings can help maintain efficiency in high-humidity conditions typical of the Northern Sub Tropical climate. Weather monitoring systems can provide early warnings for severe weather, allowing for temporary protective measures when extreme conditions are forecast. Professional maintenance checks should be scheduled at least twice yearly, ideally before peak production seasons in spring and summer.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 Ringgold
Seasonal solar PV output for Latitude: 34.9159, Longitude: -85.1091 (Ringgold, 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 30° South in Ringgold, United States
To maximize your solar PV system's energy output in Ringgold, United States (Lat/Long 34.9159, -85.1091) throughout the year, you should tilt your panels at an angle of 30° 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 Ringgold, 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 Ringgold, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 30° 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 | 50° 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 Ringgold, 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 Ringgold, 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 Ringgold, United States
Topography Around Ringgold
Ringgold sits in the northwestern corner of Georgia, nestled within the foothills of the Appalachian Mountains. The terrain around this small city is characterized by gently rolling hills and moderate elevation changes, creating a landscape that transitions from the flatter agricultural areas to the south toward the more mountainous regions to the north and east. The elevation in and around Ringgold typically ranges from about 700 to 1,000 feet above sea level, with some nearby ridges reaching slightly higher elevations.
The topography is dominated by a series of parallel ridges and valleys that run in a northeast-to-southwest direction, following the general geological structure of the southern Appalachians. These ridges are not particularly steep or rugged, making much of the land accessible for development. Between the ridges lie fertile valleys with relatively flat bottomland, much of which has been cleared for agriculture over the past two centuries.
The area features a mix of forested hillsides and open farmland, with hardwood forests covering many of the steeper slopes and ridge tops. The valleys and gentler slopes have been extensively cleared and are used primarily for pasture, row crops, and residential development. Small streams and creeks flow through the valleys, eventually draining into larger waterways like Chickamauga Creek.
Suitable Areas for Large-Scale Solar Development
The rolling terrain around Ringgold presents both opportunities and challenges for large-scale solar photovoltaic installations. The most suitable areas would be the relatively flat valley floors and gentle south-facing slopes that receive consistent sunlight throughout the day. These areas typically offer the best combination of accessibility, minimal grading requirements, and optimal solar exposure.
The agricultural valleys stretching southwest toward the Tennessee River would be particularly well-suited for solar development. These areas feature relatively level terrain with good road access and existing electrical infrastructure. The open farmland in these valleys has already been cleared of trees, reducing development costs and environmental impacts associated with forest removal.
Gentle south-facing slopes on the lower portions of ridges could also accommodate solar installations, provided the grade is not too steep for equipment installation and maintenance. These locations often benefit from good drainage and reduced risk of flooding compared to valley floors. However, careful site planning would be necessary to minimize grading and preserve the natural contours of the land.
Areas to avoid for large-scale solar development would include the steeper ridge tops and north-facing slopes, which receive less direct sunlight and present greater construction challenges. The heavily forested areas would require extensive clearing, making them less economically viable and environmentally sensitive. Additionally, narrow valley bottoms near creeks and streams should be avoided due to potential flooding risks and the need to protect riparian buffers.
The existing transportation network of rural roads and highways provides reasonable access to many potential solar sites in the area. The proximity to transmission lines serving the greater Chattanooga metropolitan area also offers advantages for connecting large solar installations to the electrical grid. Overall, the moderate topography and mix of open agricultural land make the Ringgold area reasonably well-suited for solar development, particularly in the broader valleys and on appropriately oriented gentle slopes.
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: Wednesday 23rd of July 2025
Last Updated: Thursday 7th 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.




