Kings Mountain, North Carolina, located in the Northern Temperate Zone at coordinates 35.2375, -81.3455, presents a moderately favorable location for year-round solar energy generation, though with significant seasonal variations that potential solar installers should carefully consider.

Seasonal Solar Performance

The location experiences its peak solar production during summer months, generating 6.59 kWh per day per kW of installed solar capacity. Spring follows as the second-best season with 5.98 kWh per day per kW, making these warm months ideal for maximizing solar energy output. Autumn sees a notable decline in production to 4.42 kWh per day per kW, while winter presents the most challenging conditions with only 2.83 kWh per day per kW. This represents a significant drop of approximately 57% from summer peak production to winter lows. For optimal year-round performance at this 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 data.

Environmental and Weather Challenges

Several factors in the Kings Mountain area can potentially impact solar energy production:

• Ice storms and freezing rain during winter months can coat panels and significantly reduce output
• Heavy tree coverage common in North Carolina's foothills can create shading issues
• Humid subtropical climate leads to higher pollen accumulation on panels, particularly during spring
• Occasional severe thunderstorms and hail can pose physical damage risks
• Morning fog and low clouds, especially in valleys, can reduce early-day production

Preventative Installation Measures

To maximize energy production despite these challenges, several installation strategies prove effective:

• Install panels with adequate spacing from trees and ensure regular tree trimming to minimize shading
• Use mounting systems that allow for easy cleaning to address pollen and debris buildup
• Consider impact-resistant panels or protective screens in areas prone to hail damage
• Install panels with proper drainage to prevent ice accumulation and allow for quicker melting
• Position arrays to take advantage of prevailing winds that help clear fog and dry panels faster

The steeper 31-degree tilt angle recommended for this location actually helps with natural cleaning, as rain and gravity work together to wash away debris more effectively than flatter installations. While Kings Mountain's winter production challenges are significant, the strong summer and spring performance, combined with proper installation techniques, can still make solar a viable energy solution for this North Carolina location.

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 Kings Mountain

Seasonal solar PV output for Latitude: 35.2375, Longitude: -81.3455 (Kings Mountain, 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 Kings Mountain, United States

To maximize your solar PV system's energy output in Kings Mountain, United States (Lat/Long 35.2375, -81.3455) 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 Kings Mountain, 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 Kings Mountain, 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
19° South in Summer	40° South in Autumn	50° South in Winter	28° 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 Kings Mountain, 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 Kings Mountain, 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 Kings Mountain, United States

Topographical Features of Kings Mountain

Kings Mountain sits within the rolling hills and ridges of the Carolina Piedmont region, where the landscape transitions between the Appalachian Mountains to the west and the coastal plains to the east. The area features a characteristic mix of moderate elevations, gentle slopes, and occasional steeper terrain associated with the ancient mountain chain that defines this part of North and South Carolina. The immediate vicinity around Kings Mountain displays the typical Piedmont topography of rounded hills separated by shallow valleys and creek bottoms. Elevations in the region generally range from about 600 to 1,200 feet above sea level, creating a moderately undulating landscape that offers both opportunities and challenges for large-scale development projects. The terrain includes numerous small ridgelines running in a generally northeast-southwest direction, following the geological grain of the region.

Drainage Patterns and Water Features

The area's drainage system consists primarily of small to medium-sized creeks and streams that flow through the valleys between the hills. These waterways eventually feed into larger river systems, creating a dendritic pattern across the landscape. The presence of these water features, along with their associated floodplains and riparian zones, influences where large-scale development can practically occur. Wetland areas, though not extensive, do exist in some of the lower-lying portions of the region, particularly where streams meander through broader valley floors. These areas would typically be avoided for major solar installations due to environmental regulations and practical construction considerations.

Soil Conditions and Geological Characteristics

The underlying geology of the Kings Mountain area consists primarily of metamorphic and igneous rocks typical of the Piedmont province. These bedrock formations have weathered over millions of years to create the characteristic red clay soils common throughout the region. The soil profile generally includes a layer of weathered rock and clay extending to considerable depths, which can provide stable foundations for solar installations while also presenting some drainage challenges during construction.

Most Suitable Areas for Large-Scale Solar Development

The optimal locations for large-scale solar photovoltaic installations around Kings Mountain would be the broader, flatter areas found on the wider ridgetops and in the more expansive valley floors. These areas offer several advantages including relatively level terrain that minimizes grading requirements, good drainage characteristics, and easier access for construction and maintenance equipment. The southeastern and eastern portions of the region tend to have somewhat gentler topography with longer, less steep slopes that could accommodate extensive solar arrays with minimal site preparation. These areas also benefit from being positioned away from the steeper terrain associated with the more mountainous regions to the west and northwest. Agricultural areas and former farmland present particularly attractive opportunities for solar development, as these locations have already been cleared of forest cover and often feature relatively level terrain with established access roads. The transition zones between the higher ridges and lower valleys frequently contain such areas where the topography is moderate enough for farming but still elevated enough to provide good drainage. Areas near existing transmission infrastructure would also be preferable, as the rolling nature of the Piedmont landscape means that power lines often follow ridge lines and valley corridors where the terrain is most accommodating. The proximity to these existing electrical corridors can significantly reduce the cost and complexity of connecting large solar installations to the grid. Conversely, the steeper hillsides, narrow valley bottoms prone to flooding, heavily forested areas requiring extensive clearing, and locations with significant rock outcroppings would be less suitable for major solar developments due to increased construction costs and potential environmental concerns.

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.