Oak Ridge, Tennessee, located in the Northern Temperate Zone at coordinates 36.013, -84.2624, presents a moderately favorable location for year-round solar PV energy generation, though with significant seasonal variations that potential solar installers should carefully consider.

Seasonal Solar Production Patterns

The solar energy output at Oak Ridge shows typical temperate zone characteristics with strong seasonal fluctuations. Summer provides the highest energy production at 6.45 kWh per day per kW of installed solar capacity, making it the peak generation season. Spring follows as the second-best performing season with 5.48 kWh per day per kW, offering excellent solar conditions as daylight hours increase and weather patterns become more favorable. Autumn production drops to 3.97 kWh per day per kW, representing a moderate decline as the region transitions toward winter. Winter presents the most challenging conditions with only 2.33 kWh per day per kW, reflecting the significant seasonal variation typical of this latitude. For optimal year-round performance at this Oak Ridge location, solar panels should be installed at a fixed tilt angle of 31 degrees facing south. This angle maximizes total annual energy production by accounting for the sun's changing position throughout the year and weighting the optimal angles based on actual solar irradiance potential.

Local Environmental and Weather Factors

Several significant environmental and weather factors in the Oak Ridge area can impact solar energy production:

• High humidity and frequent cloud cover, particularly during summer months when thunderstorms are common
• Deciduous forest coverage that may create shading issues if panels are installed near tree lines
• Occasional severe weather including hail storms and high winds
• Winter weather patterns that can bring snow and ice accumulation

The region's location in the Tennessee Valley creates microclimatic conditions that can lead to morning fog and increased cloud formation, particularly during transitional seasons. The area's industrial history may also contribute to occasional air quality issues that can reduce solar irradiance.

Preventative Measures for Optimal Solar Installation

To maximize solar energy production despite these challenges, several preventative measures should be implemented during installation:

• Install panels with adequate spacing and proper mounting systems designed to withstand high winds and potential hail damage
• Choose installation sites with minimal tree shading, particularly avoiding areas where deciduous trees might grow to obstruct panels over time
• Design systems with steeper tilt angles or install panels that allow for easy snow and debris removal
• Consider micro-inverters or power optimizers to minimize the impact of partial shading from clouds or nearby obstacles

Regular maintenance becomes particularly important in this location, including periodic cleaning to remove pollen, dust, and organic debris that can accumulate on panels. Installing monitoring systems can help identify performance issues quickly, ensuring that weather-related impacts are addressed promptly to maintain optimal energy generation 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 Oak Ridge

Seasonal solar PV output for Latitude: 36.013, Longitude: -84.2624 (Oak Ridge, 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 31° South in Oak Ridge, United States

To maximize your solar PV system's energy output in Oak Ridge, United States (Lat/Long 36.013, -84.2624) throughout the year, you should tilt your panels at an angle of 31° 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 Oak Ridge, 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 Oak Ridge, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 31° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
20° South in Summer	41° South in Autumn	51° South in Winter	29° 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 Oak Ridge, 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 Oak Ridge, 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 Oak Ridge, United States

Topographical Overview of Oak Ridge

Oak Ridge sits nestled in the foothills of the Appalachian Mountains in eastern Tennessee, characterized by a distinctive landscape of rolling hills, ridges, and valleys. The city occupies a position within the Ridge and Valley physiographic province, where parallel ridges run in a northeast-southwest direction, creating a series of alternating highlands and lowlands that define the region's character. The terrain around Oak Ridge features elevations ranging from approximately 750 feet in the valley floors to over 1,200 calls on the highest ridgetops. Pine Ridge forms the northern boundary of the city, while Chestnut Ridge lies to the south, with Black Oak Ridge running through the central portion of the area. These ridges are separated by valleys that contain much of the developed land, including residential areas and the famous Oak Ridge National Laboratory facilities. The underlying geology consists primarily of sedimentary rocks, including limestone, shale, and sandstone formations that have been folded and faulted over geological time. This has created the characteristic ridge and valley topography, with resistant rock formations forming the ridges and softer rocks eroding to create the valleys. The area is well-drained by numerous small streams and creeks that flow generally northward toward the Clinch River.

Forest Cover and Land Use

Dense deciduous and mixed forests blanket much of the surrounding landscape, particularly on the steeper ridge slopes and areas within the Oak Ridge Reservation. These forests consist primarily of oak, hickory, maple, and pine species that thrive in the temperate climate and varied elevations. The forested areas create both opportunities and challenges for large-scale development projects, as they provide natural screening but require clearing for construction. Agricultural land use is relatively limited in the immediate vicinity due to the hilly terrain, though some farming occurs in the broader valleys and flatter areas further from the ridges. Much of the developable land has already been utilized for residential, commercial, and government facilities, leaving fewer large contiguous parcels available for major installations.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations around Oak Ridge would be found on the gentler southern-facing slopes of the ridges and in the broader valley areas where topography is less challenging. The ridgetops themselves, while offering good solar exposure, often present access difficulties and may have environmental or aesthetic concerns that limit development potential. Valley areas between the ridges offer several advantages for solar development, including relatively flat terrain that minimizes grading requirements, better access to existing road networks, and proximity to electrical infrastructure. The valleys also tend to have fewer trees and less steep slopes, reducing both clearing costs and potential erosion issues during construction. Areas southwest of the main Oak Ridge urban core, particularly in the broader valleys extending toward Lenoir City, present some of the most promising opportunities. These locations combine favorable topography with sufficient distance from sensitive facilities while maintaining reasonable access to transmission infrastructure. The terrain in these areas is generally rolling rather than steep, with elevations that provide good drainage without excessive grading requirements. South-facing slopes with gradients between 5 and 15 degrees would be particularly well-suited for solar installations, as they can take advantage of optimal sun angles while remaining accessible for construction and maintenance equipment. Areas that have been previously disturbed or are currently in agricultural use would be preferable to pristine forested locations from both environmental and cost perspectives. The region's well-developed road network, legacy of the Manhattan Project era construction, provides good access to many potential sites. However, developers would need to carefully consider proximity to existing electrical transmission lines, as the hilly terrain can make extending new electrical infrastructure costly and challenging.

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.