Bel Air, Maryland is a decent location for year-round solar energy production, although there are some seasonal differences to be aware of. In the summer, you can expect about 6.43 kilowatt-hours (kWh) of electricity per day for each kilowatt (kW) of solar panels installed. This drops to 3.77 kWh/day in autumn and even further to 2.26 kWh/day in winter before rising again to 5.64 kWh/day in spring.
This means that while solar power generation is possible throughout the year, it's most effective during the longer daylight hours of summer and spring than during autumn and winter when days are shorter and sunlight less intense.
To maximize your yearly solar energy output at this location, it's recommended that fixed panel installations be tilted at an angle of around 34 degrees facing southwards towards the sun.
As far as environmental or local factors go, Bel Air does experience its fair share of snowfall during winter months which could cover panels thereby reducing their effectiveness temporarily until cleared off. There might also be potential issues with tree shading depending on where exactly you're located within Bel Air - trees can block sunlight from reaching your panels especially if they're positioned towards the south where panels should ideally face.
To mitigate these issues:
1) For snow: You can manually clear off snow using a roof rake with a soft squeegee or install automatic panel cleaning solutions like heated mats under panels though these consume some electricity themselves.
2) For shading: Before installing your system, conduct a thorough site assessment to identify any potential sources of shading and position your array accordingly away from them if possible; trimming or removing trees might also be necessary but do consider environmental implications before doing so.
Remember though that while these measures help optimize output they involve additional costs which should factor into overall cost-benefit analysis when deciding whether or not to install solar PV systems in Bel Air MD.
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 Bel Air
Seasonal solar PV output for Latitude: 39.5372, Longitude: -76.3605 (Bel Air, 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 34° South in Bel Air, United States
To maximize your solar PV system's energy output in Bel Air, United States (Lat/Long 39.5372, -76.3605) 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.
Seasonally adjusted solar panel tilt angles for Bel Air, 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 Bel Air, 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 |
|---|---|---|---|
| 23° South in Summer | 44° South in Autumn | 55° South in Winter | 32° 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 Bel Air, 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 Bel Air, 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 Bel Air, United States
Bel Air is located in the state of Maryland, United States. The topography around Bel Air is characterized by rolling hills and valleys with a mix of urban areas, suburban neighborhoods, and agricultural fields. The region experiences a humid subtropical climate with hot summers and cool winters.
The most suitable areas for large-scale solar PV installations would be open flatlands that receive ample sunlight throughout the year. Given this criterion, the agricultural fields around Bel Air could potentially be good sites for solar farms given their relatively flat terrain and exposure to sunlight.
However, it's important to note that converting agricultural land into solar farms can lead to conflicts over land use priorities. Therefore, other potential locations could include rooftops of large buildings in urban or industrial zones where there are no height obstructions to block sunlight.
It's also crucial to consider infrastructure accessibility (roads for transportation & power grid connection), local zoning laws & regulations related to renewable energy projects before deciding on specific sites.
Moreover, conducting a detailed solar resource assessment using tools like SolarGIS or similar can provide more precise data about sun hours and irradiance levels which are key factors determining site suitability for photovoltaic installations.
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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Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Tuesday 21st of May 2024
Last Updated: Monday 21st of July 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.




