Harrisonburg, Virginia, located in the Northern Temperate Zone at coordinates 38.4475, -78.8693, offers a moderately favorable environment for solar PV energy generation throughout the year. The location experiences significant seasonal variations in solar output, which is typical for its latitude.

Seasonal Solar Performance

Summer stands out as the most productive season for solar energy in Harrisonburg, with an average daily output of 6.47 kWh per kW of installed solar capacity. Spring follows closely behind, generating 5.75 kWh/day. Autumn sees a noticeable decrease in production at 4.04 kWh/day, while winter experiences the lowest output at 2.49 kWh/day.

The substantial difference between summer and winter production highlights the importance of proper system sizing to ensure adequate year-round energy supply. Despite the winter dip, the location still maintains a reasonable level of solar potential throughout the year.

Optimal Panel Placement

For fixed panel installations in Harrisonburg, the ideal tilt angle to maximize year-round solar production is 34 degrees facing South. This angle optimizes the panels' exposure to sunlight across all seasons, balancing the high summer sun with the lower winter sun angle.

Environmental Considerations

While Harrisonburg generally provides a suitable environment for solar energy production, there are some factors that could potentially impact system performance:

1. Snowfall: The region experiences occasional winter snowfall, which can temporarily reduce panel efficiency. Installing panels at the recommended 34-degree angle helps shed snow more easily.
2. Tree coverage: The Shenandoah Valley's lush vegetation might cause shading issues. Careful site assessment and tree trimming may be necessary to maximize sun exposure.

To mitigate these factors, consider using snow-shedding panel designs and implementing a regular cleaning schedule. Additionally, microinverters or power optimizers can help minimize the impact of partial shading on overall system performance.

In conclusion, while Harrisonburg faces some seasonal challenges, particularly in winter, it remains a viable location for solar PV installations. With proper planning and system design, residents can effectively harness solar energy 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 Harrisonburg

Seasonal solar PV output for Latitude: 38.4475, Longitude: -78.8693 (Harrisonburg, 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 Harrisonburg, United States

To maximize your solar PV system's energy output in Harrisonburg, United States (Lat/Long 38.4475, -78.8693) 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 Harrisonburg, 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 Harrisonburg, 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	31° 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 Harrisonburg, 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 Harrisonburg, 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.

Topography for solar PV around Harrisonburg, United States

Harrisonburg, Virginia, is nestled in the heart of the Shenandoah Valley, a region known for its diverse and picturesque topography. The city itself sits at an elevation of approximately 1,325 feet (404 meters) above sea level, surrounded by rolling hills and gentle slopes characteristic of the Valley and Ridge province of the Appalachian Mountains. To the east of Harrisonburg, the landscape rises dramatically to form the Blue Ridge Mountains. These mountains, part of the larger Appalachian chain, create a stunning backdrop to the city and offer numerous hiking trails and scenic viewpoints. The western horizon is defined by the Allegheny Mountains, another impressive range that forms the border between Virginia and West Virginia. The immediate area around Harrisonburg features a mix of gently rolling hills, open farmland, and forested areas. The terrain is generally characterized by limestone bedrock, which has contributed to the formation of numerous caves and sinkholes in the region. Several small rivers and streams, including the North River and Blacks Run, wind through the valley, carving subtle contours into the landscape.

Potential Areas for Large-Scale Solar PV

When considering locations for large-scale solar photovoltaic (PV) installations near Harrisonburg, several factors come into play. The ideal areas would have relatively flat or gently sloping terrain, good sun exposure, and minimal shading from surrounding topography or vegetation. The agricultural lands to the east and west of Harrisonburg could potentially be suitable for solar PV development. These areas often feature expansive, open fields with minimal obstructions to sunlight. The gently rolling nature of much of this farmland could also be advantageous, as slight south-facing slopes can actually improve the efficiency of solar panels. Some of the elevated areas on the outskirts of the city, particularly those with south-facing aspects, might also be considered for solar installations. These locations could potentially benefit from increased sun exposure and reduced shading from nearby terrain features. However, it's important to note that the Shenandoah Valley's agricultural heritage and scenic beauty are highly valued. Any large-scale solar development would need to be carefully planned and balanced with conservation efforts and local land use priorities. Additionally, areas within the George Washington National Forest to the west or the Shenandoah National Park to the east would likely be off-limits for such development due to their protected status. Ultimately, the most suitable locations for large-scale solar PV near Harrisonburg would need to be determined through detailed site assessments, taking into account not only topography and sun exposure but also factors such as proximity to existing electrical infrastructure, local zoning regulations, and environmental considerations.

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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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.