Solar PV Analysis of Takoma Park, United States
Takoma Park, Maryland is a decent location for year-round solar energy production, but it's not the best. The amount of electricity you can generate from solar panels changes with the seasons. During summer and spring, when there are more daylight hours and the sun is higher in the sky, you can expect to produce more electricity - around 6.46 kWh/day and 5.73 kWh/day respectively per kW of installed solar power.
However, in autumn and winter when days are shorter and sunlight less intense, your output will drop significantly to about 4.01 kWh/day in autumn and even lower to about 2.47 kWh/day in winter per kW of installed solar power.
For this location specifically, if you're installing fixed panels (panels that don't move or track the sun), tilting them at an angle of 34 degrees towards south would help capture maximum sunlight throughout the year.
As for local factors that might affect your solar production: Takoma Park experiences all four seasons which means varying amounts of sunlight throughout the year as already mentioned above; but also consider potential shading from trees or buildings which could block direct sunlight on your panels reducing their efficiency. Snowfall during winter months could cover up your panels too making them ineffective until cleared off.
To prevent these issues:
1) Consider panel placement carefully during installation – try to avoid areas where shadows fall most times.
2) Regular maintenance including trimming overhanging branches can help reduce shading.
3) Installing snow guards on rooftops can prevent snow accumulation on panels.
4) Regularly cleaning dust or debris off your panels will ensure they are working at their best capacity.
In conclusion: While Takoma Park isn't ideal for generating maximum possible energy via Solar PV due to seasonal variations affecting productivity levels; with good planning during installation & regular maintenance thereafter one can still harness a considerable amount of renewable energy from this source here round-the-year!
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 Takoma Park
Seasonal solar PV output for Latitude: 38.9816, Longitude: -77.0044 (Takoma Park, 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 Takoma Park, United States
To maximize your solar PV system's energy output in Takoma Park, United States (Lat/Long 38.9816, -77.0044) 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 Takoma Park, 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 Takoma Park, 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 | 54° 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 Takoma Park, 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 Takoma Park, 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 Takoma Park, United States
Takoma Park is located in the Washington Metropolitan Area, in Montgomery County, Maryland. The topography of this area is characterized by rolling hills and valleys, with a mix of urban and suburban development. The region has a humid subtropical climate with hot summers and cool winters.
For large-scale solar PV installations, flat or gently sloping lands are preferred to minimize installation costs and maximize efficiency. In the vicinity of Takoma Park, potential suitable areas for such installations could be open spaces like farmlands or industrial zones that have ample sunlight exposure without significant shading from trees or buildings.
However, it's important to note that actual suitability would depend on detailed site assessments including factors like local zoning regulations, proximity to power grids for connection, soil conditions for construction stability etc., which are not covered here.
Additionally, due to its urban setting rooftop solar panels might be more feasible in Takoma Park itself - utilizing space on commercial buildings or residential homes can also prove effective without needing large tracts of land.
It should also be noted that Maryland has put forth efforts towards renewable energy goals which include incentives for solar energy production; thus making it potentially beneficial from an economic standpoint as well.
Remember always consult with a local expert or company specializing in solar installations before making any decisions based on general information.
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
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Friday 24th 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.
