Tarrytown, New York presents a moderate solar energy location within the Northern Temperate Zone, with seasonal variations that are typical for the northeastern United States. The area experiences significant differences in solar production throughout the year, making it reasonably suitable for solar installations with proper planning and expectations.

Seasonal Solar Performance

Summer represents the peak solar generation period at this location, producing 5.83 kWh per day per kW of installed capacity. This high output reflects the combination of longer days and more direct sunlight angles during the warmest months. Spring follows as the second-best season with 5.40 kWh per day per kW, offering nearly comparable performance to summer months. Autumn sees a notable decline to 3.40 kWh per day per kW as daylight hours shorten and sun angles become less favorable. Winter presents the most challenging conditions, dropping to just 1.95 kWh per day per kW of installed capacity, representing only about one-third of summer production levels. For optimal year-round performance at this location, solar panels should be installed at a fixed angle of 35 degrees facing south. This angle maximizes total annual energy production by balancing the varying sun angles throughout the seasons.

Local Factors Affecting Solar Production

Several environmental and weather factors in the Tarrytown area can impact solar energy generation:

• Snow accumulation during winter months can block panels and reduce output
• Frequent cloud cover and overcast skies, particularly in late fall and winter
• High humidity levels that can create haze and reduce solar irradiance
• Deciduous tree coverage that may cause shading issues, especially when leaves are present
• Coastal proximity effects from the Hudson River that can increase moisture and fog

Preventative Installation Measures

To maximize solar production despite these challenges, several installation strategies prove effective. Panels should be mounted at steeper angles when possible to encourage snow to slide off naturally, and adequate spacing between panel rows prevents snow buildup from creating shadows on lower panels. Careful site selection becomes crucial, avoiding areas with significant tree coverage or planning for future tree growth that might create shading. Installing panels on south-facing roof sections or ground mounts with clear southern exposure helps minimize shading throughout the day. Regular maintenance scheduling, particularly after winter storms, ensures snow and debris removal when necessary. Some installations benefit from anti-reflective coatings that can improve performance during hazy conditions common in humid climates.

Overall Assessment

While Tarrytown's location presents seasonal challenges typical of northeastern locations, it remains viable for solar installations. The strong summer and spring performance can offset the reduced winter output, making solar economically feasible with realistic expectations about seasonal variations. Property owners should plan for approximately 60% less production in winter compared to peak summer months when sizing their systems.

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 Tarrytown

Seasonal solar PV output for Latitude: 41.0762, Longitude: -73.8588 (Tarrytown, 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:

 

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

To maximize your solar PV system's energy output in Tarrytown, United States (Lat/Long 41.0762, -73.8588) 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.

Seasonally adjusted solar panel tilt angles for Tarrytown, 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 Tarrytown, 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
25° South in Summer	45° South in Autumn	56° South in Winter	34° South in Spring

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 Tarrytown, 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 Tarrytown, 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.

Topography for solar PV around Tarrytown, United States

Topographical Features of Tarrytown and Surrounding Region

Tarrytown sits along the eastern bank of the Hudson River in Westchester County, New York, approximately twenty-five miles north of Manhattan. The area occupies a position within the Hudson River Valley, where the landscape is characterized by rolling hills and gentle ridges that extend eastward from the river. The immediate vicinity around Tarrytown features relatively moderate elevation changes, with the land rising gradually from the Hudson River shoreline at near sea level to higher ground inland. The Hudson River Valley in this region was carved by glacial activity during the last ice age, creating a broad, north-south trending valley with the river as its central feature. East of Tarrytown, the terrain becomes increasingly hilly as it transitions into the broader Westchester County landscape. These hills are part of the larger Appalachian system, though they represent some of the more subdued topography within that mountain chain. The local topography includes numerous small valleys, gentle slopes, and rounded hilltops that are typical of glacially-modified terrain. Stream valleys cut through the landscape, generally flowing in an east-west direction toward the Hudson River. The soil composition varies but includes areas of well-drained glacial till on higher ground and more fertile alluvial deposits in the valley bottoms.

Land Characteristics and Development Patterns

The region around Tarrytown reflects typical suburban development patterns of the New York metropolitan area. Much of the immediate vicinity consists of residential neighborhoods, commercial districts, and preserved parkland. The density of development varies considerably, with more intensive development closer to the Hudson River and transportation corridors, while areas further inland often retain larger parcels and more open space. Forested areas are common throughout the region, particularly on steeper slopes and in areas that have been preserved as parks or conservation land. These wooded areas are predominantly deciduous forests typical of the northeastern United States, with oak, maple, and other hardwood species dominating the canopy. Agricultural land use, while historically significant in the region, has diminished considerably due to suburban development pressure. However, some agricultural areas still exist, particularly on flatter terrain and in areas with suitable soil conditions.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations in the Tarrytown area would be found on south-facing slopes with gentle to moderate gradients. These areas provide optimal orientation for solar collection while maintaining manageable construction and maintenance conditions. The rolling topography of the region offers numerous such opportunities, particularly on the longer, more gradual slopes that face generally southward. Areas with minimal tree cover would be preferred to avoid shading issues and reduce land clearing requirements. Open agricultural fields, abandoned industrial sites, and cleared areas on appropriate slopes would represent prime candidates for solar development. The relatively stable geology of the region, consisting largely of glacial deposits over bedrock, provides suitable foundation conditions for solar mounting systems. Locations with good access to existing electrical infrastructure would be advantageous for large-scale installations. Areas near existing transmission lines or electrical substations would reduce connection costs and complexity. The proximity to major population centers and electrical demand in the New York metropolitan area makes this region particularly attractive for solar development from a market perspective. Flat to gently rolling terrain in less densely developed areas would also be suitable, particularly where large contiguous parcels are available. These areas would allow for efficient layout of solar arrays and easier maintenance access. Areas with good road access but away from the most densely populated residential zones would balance infrastructure needs with community acceptance considerations.

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!

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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.

Helping you assess viability of solar PV for your site

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.