Solar Energy Potential in Brookhaven, Georgia
Brookhaven, Georgia, located in the Northern Sub Tropics at coordinates 33.8654, -84.3385, offers reasonable potential for solar PV energy generation, though with significant seasonal variations. The location experiences strong solar performance during summer and spring, with moderate autumn production and notably reduced winter output. The seasonal breakdown shows that summer is the peak production period with an average of 6.21kWh per day for each kilowatt of installed capacity. Spring follows closely behind at 6.04kWh/day. Autumn sees a moderate decrease to 4.49kWh/day, while winter production drops considerably to 2.78kWh/day per kilowatt installed.Optimal Panel Positioning
For fixed solar panel installations in Brookhaven, the ideal angle to maximize year-round energy production is 30 degrees tilted toward the South. This carefully calculated angle balances the seasonal variations in sun position throughout the year to capture the most solar energy possible over all four seasons.Seasonal Considerations
The substantial difference between summer/spring and winter production indicates that Brookhaven residents should expect approximately 55% less solar energy generation during winter months compared to summer. This seasonal pattern means that supplementary power sources or energy storage solutions may be particularly valuable during the winter period.Environmental and Weather Factors
Several environmental factors may impact solar production in Brookhaven:- Tree coverage: Brookhaven has significant tree canopy that can create shading issues for solar installations. Professional site assessments to identify optimal panel placement and selective pruning may be necessary.
- Humidity and precipitation: Georgia's humid subtropical climate brings frequent rainfall and cloudy conditions that can temporarily reduce solar output. Ensuring panels have anti-reflective coatings can help maximize energy capture during diffuse light conditions.
- Pollen and dust: Spring in Georgia brings heavy pollen, while general dust accumulation occurs year-round. Installing panels at steeper angles (like the recommended 30 degrees) helps with natural cleaning during rainfall, though periodic manual cleaning may still be beneficial.
- Occasional severe weather: Thunderstorms, heavy rain, and rare winter ice events can impact solar production. Using quality mounting systems rated for local wind conditions and considering micro-inverters or power optimizers can mitigate production losses during partial panel shading or damage.
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 Brookhaven
Seasonal solar PV output for Latitude: 33.8654, Longitude: -84.3385 (Brookhaven, 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 Brookhaven, United States
To maximize your solar PV system's energy output in Brookhaven, United States (Lat/Long 33.8654, -84.3385) 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 Brookhaven, 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 Brookhaven, 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 Brookhaven, 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 Brookhaven, 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 Brookhaven, United States
The topography around Brookhaven, Georgia, presents a moderately varied landscape characteristic of the Piedmont region of the southeastern United States. This area sits at the southern edge of the Appalachian foothills, creating a terrain that consists primarily of gently rolling hills interspersed with shallow valleys. The elevation generally ranges between 800 to 1,100 feet above sea level, with gradual changes rather than dramatic shifts in altitude. Brookhaven itself lies within the metropolitan area of Atlanta, situated in DeKalb County. The natural landscape has been significantly modified by urban development, though the underlying topographical features remain evident in the area's undulating streets and varying elevations. The region is crossed by several small streams and creeks that have carved modest valleys over time, contributing to the rolling nature of the terrain.
Watershed Features
The area falls within the upper Chattahoochee River watershed, with numerous small tributaries flowing through the vicinity. These waterways have historically shaped the land, creating natural drainage patterns that influence the local topography. Nancy Creek runs through parts of Brookhaven, representing one of the more significant local waterways that has carved its own small valley system. The soil composition in this region typically consists of red clay and loam, products of the weathering of underlying metamorphic and igneous rocks characteristic of the Piedmont geological province. These soils have moderate to good drainage in the higher elevations but can become poorly drained in valley bottoms and along waterways.Potential Areas for Solar PV Development
When considering large-scale solar photovoltaic (PV) installation in the vicinity of Brookhaven, several factors related to topography become important. The most suitable areas would be those with: South-facing slopes, which receive more direct sunlight throughout the day in the Northern Hemisphere. In the broader region around Brookhaven, particularly moving eastward toward the less developed areas of DeKalb County and into Gwinnett County, there are numerous gentle south-facing slopes that could be advantageous for solar collection. The relatively flat plateaus found on the higher elevations between stream valleys offer potential for large-scale installations. These areas, particularly those extending eastward and southward from the immediate Brookhaven area into less densely developed regions, provide sufficient space without significant shadowing from topographical features. Moving further out from Brookhaven proper, the rural areas of counties like Rockdale, Newton, and Walton to the east present more extensive tracts of land with favorable topography for solar development. These areas feature broad, gently rolling terrain with fewer urban constraints and good solar exposure conditions. It's worth noting that while the immediate vicinity of Brookhaven is heavily urbanized, limiting opportunities for truly large-scale solar installations, the broader metropolitan region does contain former industrial sites and large commercial properties with flat rooftops that could support significant solar arrays despite the constraints of the urban environment. The transition zones between the Piedmont and Coastal Plain regions, lying roughly 30-50 miles south and southeast of Brookhaven, offer some of the most promising topographical conditions for large-scale solar development. These areas feature more consistent, gentler slopes and larger contiguous parcels of suitable land than the more immediately proximate areas around Brookhaven.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: Sunday 11th of May 2025
Last Updated: Sunday 12th of October 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.




