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Flag of United StatesSolar PV Analysis of Forest, United States

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

Forest, Virginia represents a moderately good location for year-round solar energy generation in the Northern Temperate Zone. The area experiences significant seasonal variation in solar output, with summer months producing the highest energy yields and winter months showing the lowest production levels.

Seasonal Solar Performance

The solar energy production at Forest, Virginia shows distinct seasonal patterns typical of temperate climates. Summer delivers the strongest performance at 6.70 kWh per day per kW of installed capacity, making it the peak season for solar generation. Spring follows as the second-best season with 5.77 kWh per day per kW, offering excellent conditions for solar energy production. Autumn production drops to 4.17 kWh per day per kW, while winter represents the most challenging period with only 2.52 kWh per day per kW. This winter output is less than 40% of summer production, highlighting the importance of proper system sizing and energy storage planning for year-round energy needs.

Optimal Installation Configuration

For maximum year-round energy production at Forest, Virginia, solar panels should be installed at a fixed tilt angle of 32 degrees facing south. This angle has been calculated to optimize total annual solar output by accounting for the sun's changing position throughout the year and weighting the angles based on actual solar irradiance data and daily photovoltaic potential.

Local Factors Affecting Solar Production

Several environmental and weather factors in Forest, Virginia can impact solar energy generation and should be considered during installation planning. The region experiences typical Mid-Atlantic weather patterns, including periods of high humidity and frequent cloud cover, particularly during summer months when thunderstorms are common. These conditions can reduce solar irradiance and affect panel efficiency. Additionally, the area is prone to occasional severe weather events including ice storms in winter and strong thunderstorms with hail in warmer months. Forest vegetation and the region's hilly terrain can create shading issues, especially during winter months when the sun is lower in the sky. Deciduous trees, while providing natural cooling in summer, can cast shadows on solar installations during their leafed periods from spring through fall.

Preventative Measures for Optimal Performance

Several installation strategies can help maximize solar energy production despite local challenges:
  • Conduct thorough shade analysis throughout all seasons before installation to identify optimal panel placement
  • Install panels with adequate spacing and proper mounting systems that allow for thermal expansion and wind resistance
  • Choose high-quality panels with good low-light performance to maintain efficiency during cloudy conditions
  • Implement robust grounding and surge protection systems to handle electrical storms common in the region
  • Design mounting systems to withstand ice loading and allow for proper drainage
Regular maintenance becomes particularly important in this climate. Establishing a cleaning schedule to remove accumulated pollen, leaves, and debris will help maintain optimal performance. Installing monitoring systems can help identify performance issues quickly, whether from weather damage, shading, or equipment problems. The location's moderate solar potential makes it suitable for residential and commercial solar installations, though the significant seasonal variation means that battery storage or grid-tied systems work best to ensure consistent energy availability throughout 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 Forest

Seasonal solar PV output for Latitude: 37.3638, Longitude: -79.2897 (Forest, 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 6.70kWh/day in Summer.
Autumn
Average 4.17kWh/day in Autumn.
Winter
Average 2.52kWh/day in Winter.
Spring
Average 5.77kWh/day in Spring.

 

Ideally tilt fixed solar panels 32° South in Forest, United States

To maximize your solar PV system's energy output in Forest, United States (Lat/Long 37.3638, -79.2897) throughout the year, you should tilt your panels at an angle of 32° 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: 37.3638, Longitude: -79.2897, the ideal angle to tilt panels is 32° South

Seasonally adjusted solar panel tilt angles for Forest, 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 Forest, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 32° South tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
21° South in Summer 42° South in Autumn 53° South in Winter 30° 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 Forest, United States as follows: In Summer, set the angle of your panels to 21° facing South. In Autumn, tilt panels to 42° facing South for maximum generation. During Winter, adjust your solar panels to a 53° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 30° angle facing South to capture the most solar energy in Forest, 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 Forest, 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 Forest, 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 Forest, United States

Topography Around Forest, Virginia

Forest, Virginia sits in the rolling foothills of the Blue Ridge Mountains in Bedford County, characterized by a gently undulating landscape typical of the Piedmont region transitioning into the Appalachian highlands. The terrain features a mix of moderate hills, shallow valleys, and relatively flat plateaus that create a varied but generally manageable topography for development purposes.

The elevation in and around Forest ranges from approximately 800 to 1,200 feet above sea level, with the land gradually rising toward the Blue Ridge Mountains to the northwest. The area is drained by several small creeks and tributaries that flow generally southeast toward the James River, creating modest valleys and ridgelines throughout the region. These waterways have carved gentle slopes rather than steep ravines, contributing to the area's relatively accessible terrain.

The landscape is predominantly rural, featuring a combination of agricultural fields, pastureland, and forested areas. Much of the original hardwood forest has been cleared over the centuries for farming, leaving behind open fields interspersed with woodlots and forest patches. The soil composition consists mainly of clay and loam typical of the Virginia Piedmont, with good drainage characteristics on the higher elevations and some seasonal moisture retention in the lower-lying areas.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations around Forest would be the open agricultural fields and cleared pasturelands that occupy the higher, flatter portions of the landscape. These areas offer several advantages including minimal tree cover, relatively level terrain that reduces grading costs, and good drainage that prevents water accumulation around solar equipment.

The gently sloping hillsides with southern exposure present excellent opportunities for solar development, as they naturally orient panels toward the sun while providing adequate drainage. Many of the former tobacco fields and cattle pastures in the area have been converted to other uses or left fallow, making them potentially available for solar development without competing directly with active agricultural operations.

Areas to avoid would include the steeper slopes approaching the Blue Ridge foothills, heavily forested sections that would require extensive clearing, and the narrow valley bottoms near creeks where seasonal flooding might occur. The ridgetops, while offering good exposure, may present challenges due to wind exposure and potential visibility concerns from surrounding communities.

The existing road network in Bedford County provides reasonable access to most potential solar sites, though some locations might require upgrades to accommodate construction equipment and ongoing maintenance vehicles. The proximity to existing electrical transmission infrastructure along major roads would be an important consideration for any large-scale solar development in the region.

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 Forest, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Monday 21st of July 2025
Last Updated: Thursday 7th of August 2025

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Compare this location to others worldwide for solar PV potential

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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.

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