Ashland, Virginia, located in the Northern Temperate Zone at coordinates 37.759°N, -77.48°W, presents a moderately favorable location for year-round solar photovoltaic energy generation, though with significant seasonal variations that potential solar installations should carefully consider.
Seasonal Solar Production Patterns
The solar energy output at this location shows typical temperate zone characteristics with pronounced seasonal differences. Summer delivers the highest production at 6.68 kWh per day per kW of installed solar capacity, making it the peak generation period. Spring follows as the second-best season with 5.90 kWh per day per kW, offering nearly comparable output to summer months. Autumn production drops to 4.14 kWh per day per kW, representing a moderate decline from the peak seasons. Winter presents the most challenging period with only 2.55 kWh per day per kW, less than half of summer production levels.Optimal Installation Configuration
For maximum year-round energy production, fixed solar panels at this location should be installed at a 33-degree tilt angle facing south. This angle has been calculated to optimize total annual output by accounting for the sun's varying elevation throughout the year and weighting for daily photovoltaic potential.Local Environmental and Weather Factors
Several environmental and weather conditions in the Ashland, Virginia area can potentially impact solar energy production:- Deciduous tree coverage common in Virginia can create seasonal shading issues, particularly problematic during spring and summer peak production periods
- Humid subtropical climate conditions can lead to frequent cloud cover and thunderstorms, especially during summer afternoons
- Winter weather including snow accumulation and ice formation can temporarily block panels
- High humidity levels throughout much of the year can reduce atmospheric clarity
Preventative Measures for Optimal Performance
To maximize energy production despite these challenges, several installation strategies should be considered:- Conduct thorough shade analysis before installation, trimming or removing obstructive vegetation where possible
- Install panels with adequate spacing and tilt to promote natural snow shedding and easier manual clearing
- Choose high-quality panels with anti-reflective coatings to perform better in diffused light conditions
- Implement regular cleaning schedules to remove accumulated debris, pollen, and atmospheric deposits
- Consider microinverters or power optimizers to minimize impact when partial shading occurs
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 Ashland, Virginia
Seasonal solar PV output for Latitude: 37.759, Longitude: -77.48 (Ashland, Virginia, 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 33° South in Ashland, Virginia, United States
To maximize your solar PV system's energy output in Ashland, Virginia, United States (Lat/Long 37.759, -77.48) throughout the year, you should tilt your panels at an angle of 33° 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 Ashland, Virginia, 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 Ashland, Virginia, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 33° 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 | 42° South in Autumn | 53° South in Winter | 30° 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 Ashland, Virginia, 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 Ashland, Virginia, 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 Ashland, Virginia, United States
Topography and Terrain Around Ashland
Ashland sits in the Piedmont region of central Virginia, characterized by gently rolling hills and relatively modest elevation changes. The landscape around this area features a mix of agricultural fields, wooded areas, and suburban development, with elevations typically ranging from about 200 to 400 feet above sea level. The terrain is part of the broader Middle Atlantic Coastal Plain transition zone, where the land gradually slopes eastward toward the Chesapeake Bay.
The topography is generally favorable for development, with slopes that are manageable but not completely flat. Small creeks and streams meander through the area, creating minor valleys and ridgelines that add subtle variation to the landscape. The soil composition includes clay and sandy loam typical of the Piedmont region, which formed from weathered crystalline bedrock over millions of years.
Forested areas consist primarily of mixed hardwood and pine forests, while cleared land is often used for agriculture, residential development, or commercial purposes. The relatively gentle nature of the terrain means that most areas can be developed without significant grading or earthwork challenges.
Optimal Areas for Large-Scale Solar Development
The most suitable locations for large-scale solar photovoltaic installations around Ashland would be the open agricultural fields and cleared areas with gentle south-facing slopes. These areas offer several advantages including minimal tree clearing requirements, good drainage, and favorable orientation for solar collection throughout the day.
Agricultural land that is currently used for row crops or pasture represents the most promising opportunity for solar development. These areas typically have relatively level terrain with slopes of less than 10 degrees, making installation and maintenance more straightforward and cost-effective. The existing cleared nature of these lands also means fewer environmental permitting challenges compared to forested areas.
Areas to the south and southwest of Ashland appear particularly well-suited, as they feature extensive cleared farmland with good road access for construction and maintenance activities. The gentle rolling nature of the Piedmont topography in these areas provides natural drainage while maintaining slopes that are appropriate for fixed-tilt or tracking solar systems.
Former industrial sites or brownfield locations could also present opportunities, particularly if they offer large contiguous areas with existing electrical infrastructure nearby. These sites often have the additional benefit of being already disturbed land, which can simplify environmental review processes.
Areas with significant tree cover, steep slopes exceeding 15 degrees, or frequent flooding should generally be avoided for large-scale solar development. Similarly, locations with extensive rock outcroppings or poor soil conditions for foundation work would present additional challenges and costs that could make projects less economically viable.
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: Tuesday 22nd of July 2025
Last Updated: Thursday 7th of August 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.




