Millers Creek, North Carolina offers a reasonably good location for year-round solar energy generation, though with notable seasonal variations that potential solar installers should understand.

Seasonal Solar Performance

The solar energy output at this Northern Temperate Zone location shows strong seasonal patterns. Summer delivers the highest production at 6.50 kWh per day per kW of installed solar capacity, making it the peak generation period. Spring follows as the second-best season with 5.69 kWh per day per kW, offering excellent solar conditions as daylight hours increase and weather improves. Autumn production drops to 4.20 kWh per day per kW, which is still reasonable but reflects the declining sun angle and shorter days. Winter presents the most challenging period with only 2.57 kWh per day per kW, representing less than half of summer production levels. For maximum year-round energy production from a fixed panel installation at this location, solar panels should be tilted at 31 degrees facing south. This angle has been calculated to optimize total annual output by accounting for the sun's changing position throughout the year and seasonal solar irradiance patterns.

Local Factors Affecting Solar Production

Several environmental and weather factors in the Millers Creek area can impact solar energy generation:

• Appalachian Mountain Weather: The location's proximity to the Blue Ridge Mountains can create increased cloud cover, fog, and precipitation that reduces solar irradiance
• Seasonal Snow and Ice: Winter weather can accumulate on panels, blocking sunlight and reducing already-limited cold weather production
• High Humidity: North Carolina's humid subtropical climate can create atmospheric haze that diffuses sunlight
• Deciduous Forest Coverage: The heavily forested regional landscape means shading from nearby trees is a common concern

Preventative Measures for Better Performance

Several installation strategies can help maximize solar production despite these challenges:

• Strategic Site Selection: Choose locations with minimal tree shading, particularly avoiding shade during peak sun hours (10 AM to 4 PM)
• Proper Panel Spacing: Install panels with adequate spacing to prevent self-shading, especially important given the 31-degree tilt angle
• Quality Mounting Systems: Use robust mounting that can handle snow loads and allows for easier cleaning access
• Regular Maintenance: Schedule periodic cleaning to remove accumulated dirt, pollen, and debris that can reduce efficiency

Overall, while Millers Creek isn't among the most ideal solar locations due to its mountainous, forested setting and significant winter production decline, proper installation techniques and site selection can help achieve reasonable solar energy generation throughout most of 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 Millers Creek

Seasonal solar PV output for Latitude: 36.1893, Longitude: -81.2376 (Millers Creek, 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 Millers Creek, United States

To maximize your solar PV system's energy output in Millers Creek, United States (Lat/Long 36.1893, -81.2376) 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 Millers Creek, 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 Millers Creek, 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 Millers Creek, 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 Millers Creek, 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 Millers Creek, United States

Millers Creek is situated in the foothills of the Blue Ridge Mountains in northwestern North Carolina, within Ashe County. The topography around this location is characterized by rolling hills, steep-sided valleys, and moderate elevation changes typical of the Appalachian region. The terrain features a mix of forested ridgelines and cleared agricultural areas, with elevations generally ranging from around 2,800 to 3,500 feet above sea level.

The landscape consists of numerous small creeks and tributaries that have carved narrow valleys through the mountainous terrain over thousands of years. These waterways create a network of drainage patterns that result in irregular terrain with frequent slope changes. The area experiences typical Appalachian topography with ridges running primarily in a northeast-southwest direction, following the general geological structure of the mountain range.

Much of the surrounding countryside is covered by mixed hardwood and coniferous forests, though there are significant cleared areas used for agriculture, particularly cattle grazing and hay production. The cleared agricultural fields tend to be relatively small and irregularly shaped, conforming to the natural contours of the land rather than following geometric patterns typical of flatter regions.

Terrain Challenges for Solar Development

The mountainous nature of this region presents several challenges for large-scale solar photovoltaic installations. The frequent elevation changes create shading issues, where higher terrain can cast shadows on lower areas during certain times of the day and seasons. Additionally, the irregular topography means that large, flat areas suitable for extensive solar arrays are relatively uncommon.

The forested nature of much of the landscape would require significant clearing for solar development, which could present environmental and regulatory hurdles. The steep slopes common throughout the region would also require extensive grading and terracing to create suitable installation surfaces, significantly increasing development costs.

Most Suitable Areas for Solar PV Development

The most promising locations for large-scale solar installations around Millers Creek would be the existing cleared agricultural areas, particularly those on south-facing slopes with gentle gradients. These areas already lack tree cover and would require minimal additional clearing. Fields used for hay production or cattle grazing on moderate slopes would be ideal candidates, as they typically offer the largest contiguous cleared spaces in the region.

Ridge tops that have been previously cleared for agriculture or other purposes could also present good opportunities, as they tend to receive less shading from surrounding terrain and often have good exposure to prevailing winds for cooling. However, these locations would need to be evaluated for accessibility and grid connection feasibility.

Areas along the broader valley floors, where small streams have created relatively flat bottomland, could also be suitable if they are not prone to flooding and have been cleared for agricultural use. These locations often provide the largest continuous flat areas available in this mountainous region.

The existing road network and proximity to electrical infrastructure would be crucial factors in site selection, as the mountainous terrain can make access challenging and expensive. Areas near existing transmission lines or substations would be significantly more economically viable for large-scale solar development.

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.