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Flag of United StatesSolar PV Analysis of Little Falls, United States

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

Little Falls, New Jersey, located at coordinates 40.8812, -74.2188 in the Northern Temperate Zone, offers varying potential for solar energy production throughout the year. This location experiences significant seasonal fluctuations in solar energy generation capability.

Seasonal Solar Performance

Solar panels in Little Falls perform best during the summer months, generating approximately 6.03kWh per day for each kilowatt of installed capacity. Spring follows as the second most productive season, with daily generation of about 5.43kWh per installed kilowatt. Production decreases considerably in autumn to 3.48kWh per day, and reaches its lowest point in winter with only 2.12kWh per day per installed kilowatt.

This pattern creates a substantial difference between summer and winter production - summer generates nearly three times the electricity of winter months. The location's position in the Northern Temperate Zone means longer, more direct sunlight during summer and shorter days with less direct sun exposure during winter.

Optimal Panel Installation

For fixed panel installations in Little Falls, the ideal tilt angle to maximize year-round solar production is 35 degrees facing South. This angle has been calculated based on the location's latitude, accounting for seasonal solar elevation changes and Earth's elliptical orbit, while being weighted according to daily photovoltaic potential.

Environmental and Weather Considerations

Several factors may affect solar production in Little Falls:

  • Snow accumulation during winter months can temporarily reduce panel output if not cleared
  • Tree coverage and building shadows may impact production, particularly during winter when the sun sits lower in the sky
  • The region experiences occasional heavy precipitation and cloudy days that temporarily reduce generation

To mitigate these challenges, solar installations in Little Falls should incorporate several preventative measures. Panels should be installed with sufficient elevation and tilt to facilitate natural snow shedding. Regular tree maintenance around the installation area helps minimize shading issues. Additionally, using microinverters or power optimizers can reduce the impact of partial shading on overall system performance.

Despite the seasonal variations, Little Falls still offers viable conditions for solar energy production, particularly from late spring through early fall when the majority of annual solar generation potential can be captured.

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 Little Falls

Seasonal solar PV output for Latitude: 40.8812, Longitude: -74.2188 (Little Falls, 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 6.03kWh/day in Summer.
Autumn
Average 3.48kWh/day in Autumn.
Winter
Average 2.12kWh/day in Winter.
Spring
Average 5.43kWh/day in Spring.

 

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

To maximize your solar PV system's energy output in Little Falls, United States (Lat/Long 40.8812, -74.2188) 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: 40.8812, Longitude: -74.2188, the ideal angle to tilt panels is 35° South

Seasonally adjusted solar panel tilt angles for Little Falls, 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 Little Falls, 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 34° 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 Little Falls, 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 34° angle facing South to capture the most solar energy in Little Falls, 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 Little Falls, 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 Little Falls, 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 Little Falls, United States

The area around Little Falls, New Jersey, situated at approximately 40.8812° North and 74.2188° West, features varied topography characteristic of the northeastern United States. Little Falls lies within Passaic County and sits in the Piedmont physiographic province, which serves as a transition zone between the flat coastal plains to the east and the more elevated Appalachian Highlands to the west.

The topography of Little Falls is defined by gentle to moderate rolling hills, with the Passaic River cutting through the landscape. The elevation ranges generally between 150 to 300 feet above sea level, with some areas reaching slightly higher elevations. This varied terrain creates a mix of flat areas, slopes, and small valleys throughout the region. The Passaic River valley provides some of the flatter terrain in the immediate vicinity.

Surrounding Topographical Features

To the west of Little Falls, the landscape gradually rises toward the Watchung Mountains, a series of ridges that form part of the larger Appalachian system. These ridges run roughly northeast to southwest and create more pronounced elevation changes than found directly in Little Falls. The First and Second Watchung Mountains create notable topographical features that influence the local landscape.

To the east, the terrain gradually descends toward the Hackensack Meadowlands and eventually the Hudson River. This eastern direction leads to flatter, more open areas as one approaches the coastal regions. The northern and southern surroundings continue the pattern of rolling hills characteristic of the Piedmont region, with various streams and small rivers creating natural valleys.

Solar PV Suitability in the Region

For large-scale solar photovoltaic (PV) installations, the most suitable areas near Little Falls would be those combining relatively flat terrain, minimal shading from topographical features, and adequate land availability. The flatter areas east of Little Falls, as the landscape transitions toward the Hackensack Meadowlands, offer potential suitable locations. These areas typically have fewer steep slopes and more consistent exposure to sunlight throughout the day.

Former industrial zones and brownfield sites in neighboring communities like Clifton, Paterson, and Wayne might provide opportunities for solar development without disrupting natural habitats or agricultural land. These areas often have the added advantage of being close to existing electrical infrastructure, which can reduce the costs of connecting new solar installations to the grid.

The valleys between the Watchung Mountain ridges to the west also contain some flatter terrain that could be suitable, though careful site selection would be necessary to avoid areas with significant morning or afternoon shading from the ridges themselves. Some of the more gently sloping south-facing hillsides in the region could also be considered, as south-facing slopes in the Northern Hemisphere receive more direct sunlight throughout the year.

The immediate vicinity of Little Falls itself has limited potential for large-scale solar installations due to its suburban development pattern and the relatively small parcels of available land. The most promising opportunities for substantial solar PV development would likely be found in the less densely populated areas to the west and southwest of Little Falls, where larger tracts of land might be available and where the topography begins to flatten out between the Watchung ridges.

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 Little Falls, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Friday 2nd of May 2025
Last Updated: Tuesday 23rd 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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