Darien, Georgia, located in the Northern Sub Tropics at latitude 31.3826 and longitude -81.4282, offers a generally favorable environment for solar PV energy generation throughout the year. The location's seasonal solar output varies, with peak production occurring during the spring and summer months.

Seasonal Solar Output

Spring sees the highest daily energy production at 6.42 kWh per kW of installed solar capacity, closely followed by summer at 6.02 kWh/day. Autumn experiences a moderate decrease to 4.62 kWh/day, while winter shows the lowest output at 3.16 kWh/day. This seasonal variation indicates that Darien benefits from extended periods of high solar potential, making it a suitable location for year-round solar energy generation.

Optimal Panel Tilt

For fixed panel installations in Darien, the ideal tilt angle to maximize year-round solar production is 28 degrees facing south. This angle optimizes the panels' exposure to sunlight throughout the year, accounting for the location's latitude and seasonal sun position changes.

Environmental and Weather Considerations

While Darien's climate is generally conducive to solar energy production, there are some factors that could potentially impact system performance:

1. Humidity: The area's subtropical climate can lead to high humidity levels, which may slightly reduce panel efficiency.
2. Coastal weather: Proximity to the Atlantic coast increases the likelihood of salt spray, which could corrode solar equipment over time.
3. Hurricane risk: The region is susceptible to tropical storms and hurricanes, which could pose a threat to solar installations.

Preventative Measures

To mitigate these potential issues, several preventative measures can be taken during solar installation:

• Use corrosion-resistant materials and protective coatings to guard against salt spray and humidity.
• Install robust mounting systems designed to withstand high winds associated with tropical storms.
• Implement regular cleaning and maintenance schedules to prevent salt and debris buildup on panels.
• Consider micro-inverter or power optimizer systems to minimize the impact of partial shading or panel damage.

By addressing these environmental factors, solar installations in Darien can maximize their energy production potential and ensure long-term system reliability.

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 Darien, Georgia

Seasonal solar PV output for Latitude: 31.3826, Longitude: -81.4282 (Darien, Georgia, 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 28° South in Darien, Georgia, United States

To maximize your solar PV system's energy output in Darien, Georgia, United States (Lat/Long 31.3826, -81.4282) throughout the year, you should tilt your panels at an angle of 28° 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 Darien, Georgia, 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 Darien, Georgia, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 28° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
15° South in Summer	36° South in Autumn	47° South in Winter	24° 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 Darien, Georgia, 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 Darien, Georgia, 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 Darien, Georgia, United States

The topography around Darien, Georgia, located at latitude 31.3826 and longitude -81.4282, is characterized by its coastal lowland environment. This area is part of the Atlantic Coastal Plain, which features a relatively flat landscape with minimal elevation changes. The terrain is predominantly composed of sandy soils, marshlands, and tidal creeks, reflecting its proximity to the Atlantic Ocean. Darien sits near the mouth of the Altamaha River, where it empties into the Atlantic. The surrounding landscape is dotted with numerous small islands, estuaries, and wetlands. These features create a complex network of waterways and coastal ecosystems. The elevation in this region is generally low, typically ranging from sea level to only a few meters above it.

Potential 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 flat terrain of the coastal plain offers advantages for solar development, as it reduces the need for extensive land preparation and allows for more uniform panel placement. Areas slightly inland from Darien, moving west and northwest, might be more suitable for large-scale solar PV projects. These locations would likely have fewer wetlands and more stable ground conditions. The regions around the towns of Townsend and Eulonia, for instance, could potentially offer suitable sites. However, it's important to note that the prevalence of wetlands and the region's susceptibility to tropical storms and hurricanes pose challenges for solar development. Any large-scale solar project would need to carefully consider environmental impacts, flood risks, and the potential for severe weather events. Additionally, while the area receives ample sunlight, the high humidity and occasional cloud cover characteristic of coastal Georgia might slightly reduce solar efficiency compared to drier inland locations. Despite these challenges, with proper planning and engineering, there are certainly opportunities for solar energy development in the vicinity of Darien.

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

Tell Us About Your Work

We love seeing how our research helps others! If you've cited this article in your work, we'd be delighted to hear about it. Drop us a line via our Contact Us page or on X, to share where you've used our information - we may feature a link to your work on our site. This helps create a network of valuable resources for others in the solar energy community and helps us understand how our research is contributing to the field. Plus, we occasionally highlight exceptional works that reference our research on our social media channels.

Feeling generous?

Share this with your friends!

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.