Flag of United States

Flag of United StatesSolar PV Analysis of District Heights, United States

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

District Heights, Maryland, located in the United States, offers a moderate location for solar PV energy generation throughout the year. Situated in the Northern Temperate Zone, this area experiences distinct seasonal variations in solar production that potential solar adopters should consider.

Seasonal Solar Performance

Solar panels in District Heights perform best during summer months, generating approximately 6.67kWh per day for each kilowatt of installed capacity. Spring follows as the second most productive season with 5.91kWh/day per kW. Production decreases considerably in autumn (4.02kWh/day) and reaches its lowest point during winter months (2.42kWh/day).

This seasonal pattern creates a notable difference between summer and winter production, with summer yielding nearly three times the energy of winter months. The substantial spring production makes the March-May period particularly valuable for solar generation in this area.

Optimal Panel Installation

For fixed-panel installations in District Heights, the ideal angle to maximize year-round solar production is 34 degrees tilted toward the South. This specific angle has been calculated to optimize energy capture across all seasons, accounting for the Earth's elliptical orbit and the location's position in the Northern Hemisphere.

Environmental Considerations

Several environmental factors could affect solar production in District Heights:

  • Tree coverage and shading from the area's deciduous forests can significantly reduce panel efficiency, especially in residential neighborhoods. Strategic tree trimming or careful panel placement can mitigate these effects.
  • The region experiences periodic snowfall in winter months, which can temporarily cover panels and reduce output during the already low-production season. Installing panels at the recommended 34-degree tilt helps snow slide off more easily.
  • The Mid-Atlantic area occasionally experiences severe weather including thunderstorms and hurricanes that can bring extended cloud cover. Robust mounting systems rated for local wind conditions are advisable.
  • Urban pollution and dust accumulation from nearby Washington D.C. metropolitan area can gradually decrease panel efficiency. Regular cleaning and maintenance can help maintain optimal production.

Despite these challenges, with proper installation at the recommended angle and appropriate maintenance, District Heights residents can expect reasonable solar energy production, particularly from late spring through early fall when the system will generate the majority of its annual output.

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 District Heights

Seasonal solar PV output for Latitude: 38.8534, Longitude: -76.8893 (District Heights, 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 6.67kWh/day in Summer.
Autumn
Average 4.02kWh/day in Autumn.
Winter
Average 2.42kWh/day in Winter.
Spring
Average 5.91kWh/day in Spring.

 

Ideally tilt fixed solar panels 34° South in District Heights, United States

To maximize your solar PV system's energy output in District Heights, United States (Lat/Long 38.8534, -76.8893) 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: 38.8534, Longitude: -76.8893, the ideal angle to tilt panels is 34° South

Seasonally adjusted solar panel tilt angles for District Heights, 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 District Heights, 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 District Heights, 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 District Heights, 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 District Heights, 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 District Heights, 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 District Heights, United States

The topography around District Heights, Maryland, is characterized by gently rolling hills and modest elevation changes typical of the Mid-Atlantic Coastal Plain. Located in Prince George's County, just southeast of Washington D.C., District Heights sits at an elevation of approximately 280 feet (85 meters) above sea level. The terrain gradually slopes downward toward the east where the Anacostia River and eventually the Potomac River flow. The landscape features a mix of developed urban and suburban areas interspersed with patches of deciduous forest and small stream valleys. Several small tributaries and drainage channels cut through the area, creating shallow valleys between the low hills. The region was shaped by ancient marine deposits and subsequent erosion patterns, resulting in the current undulating landscape.

Solar PV Potential in Surrounding Areas

Several nearby areas offer promising conditions for large-scale solar PV development. The relatively flat terrain east of District Heights, extending toward Upper Marlboro, provides substantial open spaces with minimal shading concerns. These areas benefit from the gently sloping landscape that can be oriented to maximize solar exposure throughout the day. The lands south of District Heights, particularly around Clinton and Rosaryville, contain larger parcels of cleared agricultural land that would require minimal site preparation for solar installations. The modestly rolling topography in these areas allows for flexible array configurations while maintaining good solar access angles. Former industrial sites and brownfields in the vicinity also present opportunities for solar development without disrupting natural habitats or agricultural production. The Joint Base Andrews area contains several cleared zones that could potentially accommodate large-scale solar installations while maintaining required security buffers. The topography becomes slightly more varied moving westward toward Alexandria and Arlington, with steeper slopes and more densely developed areas that would pose challenges for large-scale installations. Similarly, the northeastern areas approaching Baltimore feature more pronounced hills and valleys that might limit the efficiency of extensive solar arrays. Overall, the eastern and southern regions near District Heights offer the most suitable topography for large-scale solar PV development, with their combination of open spaces, minimal slope variations, and reduced forest cover that would otherwise create shading issues.

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 District Heights, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Sunday 18th of May 2025
Last Updated: Sunday 26th of October 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