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Flag of United StatesSolar PV Analysis of Chadville, United States

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

Chadville, Pennsylvania is a moderately favorable location for year-round solar energy generation, though it experiences significant seasonal variation typical of the Northern Temperate Zone climate.

Seasonal Solar Performance

The solar energy output at this location varies considerably throughout the year. Summer provides the highest production at 6.08 kWh per day per kW of installed capacity, making it the peak season for solar generation. Spring follows as the second-best season with 5.20 kWh per day per kW, offering strong solar potential as daylight hours increase and weather conditions improve. Autumn sees a notable decline to 3.34 kWh per day per kW as the sun angle decreases and weather patterns shift toward winter conditions. Winter presents the greatest challenge for solar production, dropping to just 1.85 kWh per day per kW - less than one-third of summer output. For optimal year-round performance with a fixed panel installation at this location, solar panels should be tilted at 34 degrees facing south. This angle maximizes total annual energy production by accounting for the sun's changing position throughout the seasons.

Local Factors Affecting Solar Production

Several environmental and weather factors in the Chadville area can significantly impact solar energy generation:
  • Snow accumulation: Winter snow can completely block solar panels, eliminating energy production until cleared
  • Frequent cloud cover: Pennsylvania's climate includes substantial cloudy periods, particularly in winter months
  • Tree coverage: The region's forested areas can create shading issues throughout the day
  • Atmospheric haze: Humidity and regional air quality can reduce solar irradiance

Preventative Installation Measures

To maximize solar energy production despite these challenges, several installation strategies prove effective. Installing panels at steeper angles (closer to 45-50 degrees) can help snow slide off more easily, though this may slightly reduce optimal summer production. Ensuring adequate spacing between panel rows prevents self-shading and improves snow shedding. Careful site selection away from tall trees and buildings eliminates shading problems that can dramatically reduce output. Installing panels higher off the ground or roof surface improves air circulation, reducing moisture buildup and improving efficiency. Regular maintenance becomes crucial in this climate, including periodic cleaning to remove dirt, pollen, and debris, plus prompt snow removal after winter storms. Using high-quality panels rated for temperature cycling and moisture resistance ensures long-term performance in Pennsylvania's variable climate conditions.

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 Chadville

Seasonal solar PV output for Latitude: 40.1742, Longitude: -79.5134 (Chadville, 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 6.08kWh/day in Summer.
Autumn
Average 3.34kWh/day in Autumn.
Winter
Average 1.85kWh/day in Winter.
Spring
Average 5.20kWh/day in Spring.

 

Ideally tilt fixed solar panels 34° South in Chadville, United States

To maximize your solar PV system's energy output in Chadville, United States (Lat/Long 40.1742, -79.5134) 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.

The sun
At Latitude: 40.1742, Longitude: -79.5134, the ideal angle to tilt panels is 34° South

Seasonally adjusted solar panel tilt angles for Chadville, 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 Chadville, 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
24° South in Summer 44° South in Autumn 55° South in Winter 33° 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 Chadville, United States as follows: In Summer, set the angle of your panels to 24° facing South. In Autumn, tilt panels to 44° facing South for maximum generation. During Winter, adjust your solar panels to a 55° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 33° angle facing South to capture the most solar energy in Chadville, 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 Chadville, 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 Chadville, 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 Chadville, United States

Topography Around Chadville

Chadville is located in the rolling hills of southwestern Pennsylvania, within Westmoreland County. The terrain in this region is characterized by the gentle undulations typical of the Appalachian Plateau, where ancient geological processes have created a landscape of moderately steep ridges separated by narrow valleys. The elevation around Chadville varies considerably within short distances, with hilltops rising several hundred feet above the valley floors.

The area sits within the broader watershed system that feeds into the Monongahela River, creating a network of small creeks and streams that have carved out the local topography over millennia. This has resulted in a patchwork of slopes facing different directions, with some hillsides receiving more direct sunlight than others depending on their orientation and the shadows cast by adjacent ridges.

The terrain is predominantly forested, with mixed hardwood and coniferous trees covering many of the steeper slopes. Agricultural land occupies some of the gentler terrain, particularly in the broader valley areas where farming operations can more easily access level ground. The soil composition varies from rocky, thin soils on the steeper slopes to deeper, more fertile soils in the valley bottoms.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations in the Chadville area would be the south-facing slopes that receive maximum solar exposure throughout the day. These hillsides benefit from optimal sun angles while avoiding the shadowing effects that can significantly reduce solar panel efficiency. The moderate slopes found on many ridgelines provide excellent drainage and reduce the risk of water accumulation around solar installations.

Former agricultural fields and cleared areas on elevated terrain represent particularly attractive sites for solar development. These locations often have existing access roads and electrical infrastructure nearby, reducing development costs. The cleared land eliminates the need for extensive tree removal, which can be both expensive and environmentally sensitive in this heavily forested region.

Areas with gentle to moderate slopes facing southeast to southwest orientations would be ideal, as they capture sunlight most effectively during peak daylight periods. The elevated positions common throughout the region also help minimize fog and moisture accumulation that can occur in low-lying areas, particularly during certain seasons.

Ridge tops and plateau areas that have been previously cleared or are naturally open would serve as excellent candidates for solar farms. These locations typically have good wind circulation for cooling the solar panels and maintaining optimal operating temperatures. The relatively stable geology of the Appalachian Plateau provides solid foundations for mounting systems, though careful site evaluation would be necessary to account for any areas of unstable soil or rock.

Transportation access remains a crucial consideration, as the hilly terrain can make some otherwise suitable sites impractical due to the difficulty and expense of bringing in construction equipment and materials. Sites near existing roads or with feasible access routes would be strongly preferred for large-scale installations.

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 Chadville, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Wednesday 23rd of July 2025
Last Updated: Thursday 7th 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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