Stone Mountain, Georgia, located in the Northern Sub Tropics at latitude 33.792 and longitude -84.2049, offers a relatively favorable environment for solar PV energy generation throughout the year. However, the location's potential for solar energy production varies significantly across seasons.

Seasonal Solar Performance

Summer stands out as the most productive season, with an impressive daily output of 6.21 kWh per kW of installed solar capacity. Spring follows closely behind, generating 6.04 kWh per day. These seasons provide excellent conditions for solar energy production due to longer daylight hours and higher sun angles. Autumn sees a moderate decrease in solar output, with 4.49 kWh generated daily per kW installed. This reduction is primarily due to shorter days and lower sun angles as winter approaches. Winter experiences the lowest solar energy production, with only 2.78 kWh generated per day for each kW of installed capacity. The shortened daylight hours and lower sun position in the sky during this season significantly impact solar panel efficiency.

Optimal Panel Tilt

For fixed panel installations in Stone Mountain, the ideal tilt angle to maximize year-round solar production is 30 degrees facing South. This angle optimizes the panels' exposure to sunlight throughout the year, balancing the varying sun positions across seasons.

Environmental and Weather Considerations

While Stone Mountain generally provides favorable conditions for solar energy production, there are some factors that could potentially impact solar panel efficiency: 1. Humidity: The region's subtropical climate can lead to high humidity levels, which may slightly reduce panel efficiency. 2. Thunderstorms: Georgia experiences frequent thunderstorms, especially during summer months. These can temporarily reduce solar output and potentially cause damage to equipment if not properly protected. 3. Tree cover: The area's lush vegetation could potentially cast shadows on solar panels, reducing their efficiency. To mitigate these factors, consider the following preventative measures: - Install panels with anti-reflective coatings to minimize efficiency loss due to humidity. - Use robust mounting systems and surge protectors to safeguard against storm damage. - Conduct a thorough site assessment to ensure optimal panel placement, avoiding potential shading from trees or structures. In conclusion, Stone Mountain, Georgia, offers a good location for solar PV energy generation, with particularly strong potential during spring and summer months. While some environmental factors may pose challenges, these can be effectively managed with proper planning and installation techniques.

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 Stone Mountain

Seasonal solar PV output for Latitude: 33.792, Longitude: -84.2049 (Stone Mountain, 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 Stone Mountain, United States

To maximize your solar PV system's energy output in Stone Mountain, United States (Lat/Long 33.792, -84.2049) 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 Stone Mountain, 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 Stone Mountain, 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
18° South in Summer	39° South in Autumn	49° South in Winter	26° 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 Stone Mountain, 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 Stone Mountain, United States.

Our calculation method

1. Solar Position:
   We determine the Sun's position on the Winter solstice using the location's latitude and solar declination.
2. Shadow Projection:
   We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle.
3. 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 Stone Mountain, United States

Stone Mountain, located in Georgia, United States, is a prominent geological feature that rises dramatically from the surrounding landscape. The topography of the area around Stone Mountain is characterized by a mix of gently rolling hills, wooded areas, and some flat terrain. The mountain itself is a massive granite dome that stands out as the most notable feature in the region, reaching a height of about 1,686 feet above sea level. The area immediately surrounding Stone Mountain is mostly parkland, with Stone Mountain Park encompassing over 3,200 acres. This park includes lakes, forests, and open spaces, creating a diverse topographical profile. As you move away from the mountain, the terrain becomes more typical of the Piedmont region of Georgia, with a series of low hills and shallow valleys.

Suitable Areas for Large-Scale Solar PV

When considering areas nearby that would be most suited for large-scale solar photovoltaic (PV) installations, several factors come into play. The ideal locations would be relatively flat, open areas with minimal shading from trees or other structures. These conditions allow for maximum sun exposure throughout the day. Some of the most suitable areas for solar PV development near Stone Mountain would likely be found to the east and southeast of the mountain. These regions tend to have more open, agricultural land and fewer dense forests. The gently rolling terrain in these areas could potentially accommodate large solar arrays without requiring extensive land modification. Additionally, areas to the south of Stone Mountain, extending towards the outskirts of the Atlanta metropolitan area, might offer suitable locations for solar installations. These areas often feature a mix of suburban development and open spaces, some of which could be repurposed for solar energy production. It's important to note that while the topography around Stone Mountain is generally favorable for solar PV, specific site assessments would be necessary to determine the most optimal locations. Factors such as local zoning regulations, proximity to power infrastructure, and environmental considerations would all play crucial roles in identifying the best sites for large-scale solar projects in this region.

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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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.