Flag of United States

Flag of United StatesSolar PV Analysis of Lincoln, Delaware, United States

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Lincoln, Delaware, United States (by season)

Lincoln, Delaware, located in the Northern Temperate Zone, offers reasonably good conditions for year-round solar energy generation, though with significant seasonal variation typical of mid-latitude locations.

Seasonal Solar Production Performance

The solar energy output at this location shows a clear seasonal pattern. Summer provides the strongest generation at 6.55 kWh per day per kW of installed capacity, making it the peak production season. Spring follows as the second-best period with 5.84 kWh per day per kW, offering nearly comparable output to summer months. Autumn production drops to 3.96 kWh per day per kW, representing a moderate decline from the peak seasons. Winter presents the most challenging period for solar generation, with output falling to just 2.40 kWh per day per kW of installed capacity. For maximum year-round energy production from a fixed panel installation at this location, solar panels should be tilted at 34 degrees facing south. This angle optimizes the total annual energy harvest by accounting for the sun's varying position throughout the year.

Local Factors Affecting Solar Production

Several environmental and weather factors in Lincoln, Delaware can impact solar energy production:
  • Snow accumulation: Winter snow can cover panels and significantly reduce or eliminate energy production until cleared
  • Atlantic coastal weather patterns: The proximity to the Atlantic Ocean brings frequent cloud cover and storms that can reduce solar irradiance
  • High humidity levels: Coastal humidity can lead to more frequent haze and atmospheric moisture that filters sunlight
  • Seasonal storms: Delaware experiences nor'easters, thunderstorms, and occasional tropical weather systems that create extended cloudy periods

Preventative Measures for Optimal Performance

To maximize solar energy production despite these challenges, several installation strategies can help: Panel positioning should allow for natural snow shedding, with adequate spacing between panel rows to prevent snow buildup from shading adjacent panels. Installing panels with a steeper tilt angle than the optimal 34 degrees can improve snow shedding, though this may slightly reduce overall annual production. Regular maintenance becomes crucial in this coastal environment. Panels should be cleaned more frequently to remove salt residue, pollen, and other debris that accumulate more readily in humid conditions. Installing monitoring systems helps identify when cleaning or maintenance is needed. Proper drainage around the installation site prevents water pooling that could create humidity issues or attract debris. Using high-quality mounting hardware resistant to coastal corrosion extends system life and maintains optimal panel positioning. Despite these challenges, Lincoln, Delaware remains a viable location for solar energy generation, particularly during the productive spring and summer seasons when solar output is strongest.

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 Lincoln, Delaware

Seasonal solar PV output for Latitude: 38.8698, Longitude: -75.423 (Lincoln, Delaware, 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:

Summer
Average 6.55kWh/day in Summer.
Autumn
Average 3.96kWh/day in Autumn.
Winter
Average 2.40kWh/day in Winter.
Spring
Average 5.84kWh/day in Spring.

 

Ideally tilt fixed solar panels 34° South in Lincoln, Delaware, United States

To maximize your solar PV system's energy output in Lincoln, Delaware, United States (Lat/Long 38.8698, -75.423) throughout the year, you should tilt your panels at an angle of 34° 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.

The sun
At Latitude: 38.8698, Longitude: -75.423, the ideal angle to tilt panels is 34° South

Seasonally adjusted solar panel tilt angles for Lincoln, Delaware, 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 Lincoln, Delaware, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 34° South tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
22° South in Summer 43° South in Autumn 54° South in Winter 32° South in Spring

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Lincoln, Delaware, United States as follows: In Summer, set the angle of your panels to 22° facing South. In Autumn, tilt panels to 43° facing South for maximum generation. During Winter, adjust your solar panels to a 54° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 32° angle facing South to capture the most solar energy in Lincoln, Delaware, United States.

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 Lincoln, Delaware, 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 Lincoln, Delaware, 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.






Please enter information above to calculate panel spacing.

Topography for solar PV around Lincoln, Delaware, United States

Topography Around Lincoln, Delaware

The area surrounding Lincoln, Delaware is characterized by the gentle, low-lying terrain typical of the Delmarva Peninsula. This region sits within the Atlantic Coastal Plain, where elevations rarely exceed 100 feet above sea level. The landscape consists primarily of flat to gently rolling farmland, with subtle undulations that create a pleasant rural character without presenting significant topographical challenges.

The terrain features sandy soils and well-drained fields that have historically supported agriculture, particularly corn, soybeans, and other row crops. Small woodlots and forest patches are interspersed throughout the agricultural landscape, creating a mosaic of open fields and wooded areas. The region experiences minimal elevation changes, with most variations being gradual slopes rather than steep hills or dramatic topographical features.

Wetlands and small streams occasionally punctuate the landscape, though these features are typically confined to narrow corridors and do not dominate the overall terrain. The relatively uniform topography extends in all directions from Lincoln, creating consistent conditions across large areas of the surrounding countryside.

Areas Most Suitable for Large-Scale Solar Development

The flat agricultural fields extending south and west of Lincoln present the most promising opportunities for large-scale solar photovoltaic installations. These areas offer extensive open spaces with minimal shading from trees or structures, and the level terrain would require minimal grading or site preparation work. The existing agricultural use means that much of this land already has good access roads and electrical infrastructure nearby.

The gently sloping fields to the east of Lincoln also provide excellent potential for solar development. The slight southern-facing slopes in some of these areas could actually enhance solar panel performance by providing optimal orientation toward the sun. These agricultural areas typically have fewer wetland constraints compared to some other parts of the Delmarva Peninsula.

Areas immediately north of Lincoln, while still relatively flat, contain more residential development and smaller field parcels, which could complicate large-scale solar siting. However, some of the larger remaining agricultural tracts in this direction could still accommodate substantial solar installations with proper planning.

The uniform topography throughout the region means that site selection would likely depend more on land availability, proximity to electrical transmission infrastructure, and local zoning considerations rather than topographical limitations. The absence of significant hills, valleys, or other terrain obstacles provides flexibility in choosing optimal locations for solar development across much of the surrounding landscape.

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

Article: Solar PV Analysis of Lincoln, Delaware, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Wednesday 30th of July 2025
Last Updated: Thursday 7th of August 2025

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?

"Just like the sun juicing up solar PV panels, coffee is our liquid sunshine that fuels our research and development shenanigans!" 😊
Buy me a coffee - Thanks for your support!

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.

Worldwide Solar PV Analysis of 20,000 Locations

Helping you assess viability of solar PV for your site

profileSOLAR on YouTube

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.

Calculate Your Optimal Solar Panel Tilt Angle