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Flag of United StatesSolar PV Analysis of New Rochelle, United States

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

New Rochelle, New York, located in the Northern Temperate Zone, offers a mixed potential for solar energy generation throughout the year. The location's solar productivity varies significantly across seasons, with summer being the most productive period and winter the least.

Seasonal Solar Output

During summer, solar panels in New Rochelle can generate an impressive 6.13 kWh per day for each kilowatt of installed capacity. This high output is due to longer daylight hours and more direct sunlight. Spring follows closely behind with 5.65 kWh/day, making it the second-best season for solar energy production.

Autumn sees a notable decrease in solar output, with panels producing 3.63 kWh/day. Winter presents the biggest challenge, with production dropping to just 2.14 kWh/day per kilowatt installed. This significant seasonal variation highlights the importance of proper system sizing to ensure adequate year-round energy supply.

Optimal Panel Placement

To maximize year-round solar energy production in New Rochelle, fixed solar panels should be tilted at a 35-degree angle facing south. This orientation helps capture the most sunlight throughout the year, balancing the sun's changing position across seasons.

Environmental Considerations

While New Rochelle's climate is generally favorable for solar energy, there are some factors that could impact production:

  • Snow accumulation in winter can temporarily reduce panel efficiency
  • Coastal location may lead to salt spray, potentially affecting panel performance over time

To mitigate these issues, consider installing panels at a steeper angle to encourage snow sliding off and using corrosion-resistant materials. Regular cleaning and maintenance can also help maintain optimal performance.

Despite these challenges, New Rochelle's location still offers good potential for solar energy generation, especially from late spring through early fall. With proper system design and maintenance, solar PV can be a viable and sustainable energy option for this area.

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 New Rochelle

Seasonal solar PV output for Latitude: 40.9163, Longitude: -73.7898 (New Rochelle, 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 6.13kWh/day in Summer.
Autumn
Average 3.63kWh/day in Autumn.
Winter
Average 2.14kWh/day in Winter.
Spring
Average 5.65kWh/day in Spring.

 

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

To maximize your solar PV system's energy output in New Rochelle, United States (Lat/Long 40.9163, -73.7898) 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: 40.9163, Longitude: -73.7898, the ideal angle to tilt panels is 35° South

Seasonally adjusted solar panel tilt angles for New Rochelle, 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 New Rochelle, 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 New Rochelle, 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 New Rochelle, 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 New Rochelle, 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 New Rochelle, 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 New Rochelle, United States

New Rochelle, located in Westchester County, New York, is characterized by a diverse topography that reflects its coastal location and glacial history. The city sits on the northern shore of Long Island Sound, with its southern edge featuring a series of small bays, inlets, and peninsulas. Moving inland, the terrain gradually rises from sea level to form a series of rolling hills and ridges. The landscape around New Rochelle is a mix of gentle slopes and more pronounced elevations, with some areas reaching heights of 200 to 300 feet above sea level. This undulating terrain is interspersed with numerous small streams and ponds, creating a varied and picturesque environment. The city's northern and western sections tend to be more hilly, while the eastern and southern parts are generally flatter, especially near the coastline.

Potential for Large-Scale Solar PV

When considering areas nearby that would be most suited to large-scale solar photovoltaic (PV) installations, several factors come into play. The ideal locations would have flat or gently sloping terrain, minimal shading from trees or buildings, and good access to existing infrastructure. Given these criteria, the most promising areas for solar PV development near New Rochelle would likely be found to the north and east of the city. The relatively flat lands in neighboring communities like Harrison, Mamaroneck, and parts of White Plains offer more expansive open spaces that could accommodate large solar arrays. These areas tend to have fewer tall buildings and less dense forest cover, which would minimize shading issues. Additionally, former industrial sites or large commercial properties in the region could be repurposed for solar energy production. These locations often have the advantage of existing electrical infrastructure and minimal environmental impact concerns. It's important to note that while the immediate vicinity of New Rochelle may have limited options for large-scale solar installations due to its urban density and hilly terrain, the wider Westchester County area offers more potential. Careful site selection and environmental impact assessments would be necessary to ensure that any large-scale solar projects are both effective and harmonious with the local ecosystem and community needs.

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 New Rochelle, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Tuesday 11th of March 2025
Last Updated: Monday 21st of July 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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