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Flag of United StatesSolar PV Analysis of Stewartsville, United States

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

Solar Energy Potential in Stewartsville, New Jersey

Stewartsville, New Jersey, located in the Northern Temperate Zone, offers moderate to good potential for solar energy generation throughout the year, though with significant seasonal variations. Solar energy production at this location follows a predictable seasonal pattern. Summer is the most productive season, generating approximately 5.96 kWh per day for each kilowatt of installed solar capacity. Spring follows closely behind with 5.32 kWh/day per installed kilowatt. Production decreases substantially in autumn to 3.36 kWh/day, while winter sees the lowest output at just 2.07 kWh/day per kilowatt installed. For residents considering solar installation in Stewartsville, the most productive months span from late spring through early fall (roughly May through September). During this period, longer days and higher sun angles create ideal conditions for solar electricity generation.

Optimal Panel Installation

For fixed solar panel installations in Stewartsville, the ideal angle to maximize year-round energy production is 35 degrees tilted toward the South. This specific angle has been calculated to optimize annual solar collection based on Stewartsville's geographic position.

Environmental and Weather Considerations

Several environmental factors can affect solar production in Stewartsville:
  • Winter snowfall can temporarily cover panels, reducing output during the already less productive winter months
  • Tree coverage and potential shading from nearby structures should be evaluated during site assessment
  • The region experiences occasional severe weather including thunderstorms and occasional hurricanes/tropical storms
  • Seasonal temperature variations can affect panel efficiency
To mitigate these challenges, solar installations in Stewartsville should incorporate several preventative measures. Panels should be installed with sufficient tilt to allow snow to slide off naturally. Regular tree maintenance around arrays prevents increasing shade. Using micro-inverters or power optimizers can reduce the impact of partial shading on overall system performance. The rolling topography of the area means site selection is particularly important. South-facing slopes between 400-800 feet elevation offer ideal conditions with good sun exposure throughout the day. Northern areas with steeper slopes and increased forest cover may be less suitable for solar installations due to shadowing effects.

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 Stewartsville

Seasonal solar PV output for Latitude: 40.6904, Longitude: -75.1141 (Stewartsville, 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 5.96kWh/day in Summer.
Autumn
Average 3.36kWh/day in Autumn.
Winter
Average 2.07kWh/day in Winter.
Spring
Average 5.32kWh/day in Spring.

 

Ideally tilt fixed solar panels 35° South in Stewartsville, United States

To maximize your solar PV system's energy output in Stewartsville, United States (Lat/Long 40.6904, -75.1141) throughout the year, you should tilt your panels at an angle of 35° 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: 40.6904, Longitude: -75.1141, the ideal angle to tilt panels is 35° South

Seasonally adjusted solar panel tilt angles for Stewartsville, 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 Stewartsville, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 35° 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 45° South in Autumn 56° 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 Stewartsville, United States as follows: In Summer, set the angle of your panels to 24° facing South. In Autumn, tilt panels to 45° facing South for maximum generation. During Winter, adjust your solar panels to a 56° 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 Stewartsville, 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 Stewartsville, 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 Stewartsville, 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 Stewartsville, United States

Stewartsville is located in the eastern portion of Pennsylvania, nestled within the Lehigh Valley region. The topography of this area is characterized by gently rolling hills, small valleys, and modest elevation changes typical of the Appalachian foothills. The landscape around Stewartsville features a mix of open farmland, wooded areas, and scattered residential developments. The terrain in this region was shaped by ancient geological processes and glacial activity, resulting in a varied landscape with elevations generally ranging between 400 and 800 feet above sea level. The area is part of the larger Ridge and Valley physiographic province, though Stewartsville itself sits in a relatively moderate section without dramatic mountain features.

Notable Topographical Features

To the north of Stewartsville rises Blue Mountain (also known as Kittatinny Mountain), forming a prominent ridge that runs in a southwest to northeast direction. This ridge represents one of the more significant elevation changes in the vicinity. The Delaware River flows several miles to the east, carving a valley that influences the regional drainage patterns. The immediate area around Stewartsville contains numerous small streams and creeks that have carved shallow valleys throughout the landscape. These waterways are part of the Delaware River watershed, with most local streams eventually flowing eastward toward the Delaware.

Solar PV Potential Areas

For large-scale solar photovoltaic installations, several areas near Stewartsville offer promising potential based on topographical considerations. The most suitable locations would include: Former agricultural lands on south-facing slopes provide ideal conditions for solar arrays. These areas benefit from favorable sun exposure throughout the day while requiring minimal grading and site preparation. Several such locations can be found in the farmlands to the south and southwest of Stewartsville. Reclaimed industrial sites in the broader Lehigh Valley region present opportunities for solar development without disrupting natural habitats or agricultural production. These brownfield sites often feature large, flat areas with existing infrastructure connections. The gentle slopes to the northwest of Stewartsville, where the terrain begins to rise toward the more distant ridgelines, offer good solar exposure with minimal shadowing from nearby features. These areas typically receive consistent sunlight throughout the day. Areas with less productive soils that are currently underutilized would minimize the impact on local agriculture while providing suitable terrain for solar installations. Several such patches exist in the broader region surrounding Stewartsville. The topography generally becomes more varied and challenging for large installations as one moves further north toward Blue Mountain, where steeper slopes, increased forest cover, and potential shadowing effects would complicate solar array placement and reduce overall efficiency. The most promising locations combine relatively flat or gently sloping terrain, southern exposure, minimal forest coverage, and proximity to existing electrical infrastructure. Based purely on topographical considerations, the open areas south of Stewartsville extending toward Easton and Phillipsburg offer the most favorable conditions for large-scale solar PV development in this region.

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 Stewartsville, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Tuesday 29th of April 2025
Last Updated: Wednesday 17th of September 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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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.

Calculate Your Optimal Solar Panel Tilt Angle