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Flag of United StatesSolar PV Analysis of Eminence, United States

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

Eminence, Kentucky, located in the Northern Temperate Zone, 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 solar energy output at this location shows typical patterns for the Northern Temperate Zone, with summer providing the highest electricity generation at 6.22 kWh per day per kW of installed solar capacity. Spring follows as the second-best season with 5.51 kWh per day per kW, making these warmer months ideal for solar energy production. Autumn performance drops to 3.86 kWh per day per kW, while winter presents the most challenging conditions with only 2.19 kWh per day per kW of installed capacity. This represents a nearly three-fold difference between peak summer and winter production, which is typical for this latitude but requires careful planning for year-round energy needs.

Optimal Panel Installation

For maximum year-round solar production at Eminence, Kentucky, fixed solar panels should be tilted at 33 degrees facing south. This angle has been calculated to optimize total annual energy output by accounting for the sun's changing position throughout the year and weighting the angles based on actual solar irradiance data.

Local Environmental and Weather Factors

Several environmental and weather factors in Kentucky can impact solar energy production at this location:
  • Frequent cloud cover and overcast skies, particularly during autumn and winter months
  • High humidity levels that can reduce solar panel efficiency
  • Potential for ice and snow accumulation on panels during winter months
  • Thunderstorms and severe weather events that can temporarily reduce production
  • Tree coverage and vegetation that may create shading issues

Preventative Measures for Better Performance

To maximize solar energy production despite these challenges, several installation strategies can be employed:
  • Install panels with adequate spacing and ventilation to reduce heat buildup from humidity
  • Choose panel mounting systems that allow for easy snow and ice removal
  • Conduct thorough site surveys to identify and minimize shading from trees or structures
  • Consider slightly steeper panel angles (within reason) to promote snow shedding
  • Install monitoring systems to quickly identify and address performance issues
  • Select high-quality panels with better low-light performance for cloudy conditions
While Eminence, Kentucky may not be among the most ideal solar locations due to its seasonal variations and weather patterns, proper planning and installation techniques can help ensure reasonable solar energy production throughout the year, with peak performance during the spring and summer months.

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 Eminence

Seasonal solar PV output for Latitude: 38.3723, Longitude: -85.1745 (Eminence, 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 6.22kWh/day in Summer.
Autumn
Average 3.86kWh/day in Autumn.
Winter
Average 2.19kWh/day in Winter.
Spring
Average 5.51kWh/day in Spring.

 

Ideally tilt fixed solar panels 33° South in Eminence, United States

To maximize your solar PV system's energy output in Eminence, United States (Lat/Long 38.3723, -85.1745) throughout the year, you should tilt your panels at an angle of 33° 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: 38.3723, Longitude: -85.1745, the ideal angle to tilt panels is 33° South

Seasonally adjusted solar panel tilt angles for Eminence, 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 Eminence, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 33° 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 42° South in Autumn 53° South in Winter 31° 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 Eminence, United States as follows: In Summer, set the angle of your panels to 22° 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 31° angle facing South to capture the most solar energy in Eminence, 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 Eminence, 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 Eminence, 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 Eminence, United States

Topographical Features Around Eminence

Eminence sits in the heart of Kentucky's Bluegrass region, characterized by gently rolling hills and relatively moderate elevation changes. The landscape around this small community features the classic undulating terrain typical of central Kentucky, with elevations generally ranging from about 600 to 900 feet above sea level. The area is part of the Inner Bluegrass physiographic region, where limestone bedrock creates a foundation for the characteristic rolling topography.

The terrain consists primarily of broad, rounded ridges separated by shallow valleys and gentle slopes. These hills are not particularly steep or dramatic, making much of the land accessible for development and agricultural use. The region benefits from well-drained soils developed over limestone, and the landscape is dotted with occasional sinkholes and small streams that are common features in this karst topography.

Farmland dominates the surrounding countryside, with a mix of pastures for livestock and cultivated fields. The area maintains its rural character with scattered woodlots, fence rows, and small streams threading through the valleys. The relatively open nature of the agricultural landscape means there are fewer large forested areas that might create significant shading concerns for solar installations.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations around Eminence would be the broad, south-facing slopes and ridge tops that characterize the region's rolling terrain. These elevated areas typically offer the best solar exposure while minimizing potential shading from surrounding topographical features. The gentle nature of most slopes in the area means that large, relatively flat installations can be developed without excessive grading or site preparation costs.

Ridge tops and upper slopes oriented toward the south would provide optimal solar access throughout the day and across seasons. The moderate elevation changes in the region mean that most ridge areas are not so steep as to create engineering challenges, while still being elevated enough to avoid potential issues with fog or moisture that might settle in valley bottoms.

The extensive agricultural areas surrounding Eminence present numerous opportunities for solar development, particularly on larger farm properties where substantial acreage could be dedicated to solar arrays. Many of the existing pastures and crop fields occupy favorable topographical positions on gentle slopes and ridge areas that would translate well to solar installations.

Areas to the south and southwest of Eminence may offer particularly good opportunities, as the terrain in these directions tends to feature broader, more open landscapes with fewer trees and structures that could create shading issues. The combination of favorable topography and existing agricultural land use makes these areas prime candidates for large-scale solar development, assuming appropriate zoning and land availability considerations can be addressed.

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 Eminence, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Tuesday 5th of August 2025
Last Updated: Friday 8th of August 2025

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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.

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