Levittown, New York, located in the Northern Temperate Zone, presents a moderately favorable location for year-round solar energy generation, though with significant seasonal variations that are typical for this latitude.

Seasonal Solar Production Patterns

The solar energy output at this location shows dramatic differences throughout the year. Summer delivers the highest production at 6.14 kWh per day per kW of installed solar capacity, making it the peak season for solar generation. Spring follows as the second-best season with 5.64 kWh per day per kW, offering nearly comparable performance to summer months. Autumn sees a notable decline to 3.62 kWh per day per kW, while winter represents the most challenging period with only 2.11 kWh per day per kW. This winter figure is less than half of the spring production and roughly one-third of summer output, reflecting the typical challenges of solar generation in northern temperate climates.

Optimal Panel Configuration

For fixed panel installations at Levittown, the ideal tilt angle to maximize total year-round solar production is 35 degrees facing south. This angle represents the optimal compromise across all seasons, calculated by weighting daily solar elevation angles with actual solar irradiance data throughout the year.

Local Factors Affecting Solar Production

Several environmental and weather factors in the Levittown area can significantly impact solar energy production:

• Snow accumulation: Winter snow can completely block solar panels, eliminating production until cleared
• Coastal humidity and salt air: Being relatively close to the Atlantic Ocean, salt-laden air can create residue on panels
• Deciduous tree coverage: The area's mature trees can create seasonal shading issues
• Storm systems: Nor'easters and occasional severe weather can bring extended cloudy periods

Preventative Measures for Enhanced Production

Several installation strategies can help mitigate these local challenges:

• Steep panel angles: Installing panels at or near the recommended 35-degree angle helps snow slide off naturally
• Regular cleaning schedule: Quarterly cleaning removes salt deposits and general debris accumulation
• Strategic placement: Positioning panels away from large deciduous trees, especially on the southern exposure
• Quality mounting systems: Using corrosion-resistant materials designed for coastal environments
• Monitoring systems: Installing production monitoring to quickly identify when panels need attention

Overall Assessment

While Levittown's location provides reasonable solar potential, particularly during spring and summer months, the significant winter reduction in output means that solar installations here require careful planning for year-round energy needs. The location is neither ideal nor poor for solar generation, but rather represents a typical northeastern United States solar environment where proper system design and maintenance practices become crucial for maximizing the investment in solar technology.

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 Levittown, New York

Seasonal solar PV output for Latitude: 40.7279, Longitude: -73.5118 (Levittown, New York, 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 Levittown, New York, United States

To maximize your solar PV system's energy output in Levittown, New York, United States (Lat/Long 40.7279, -73.5118) 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 Levittown, New York, 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 Levittown, New York, 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

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 Levittown, New York, 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 Levittown, New York, 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 Levittown, New York, United States

Topographical Features of Levittown and Surrounding Region

The Levittown area of Long Island sits within the Atlantic Coastal Plain, characterized by relatively flat terrain with gentle rolling hills and minimal elevation changes. This suburban community occupies land that was historically part of the Hempstead Plains, one of the few natural prairies that existed in the northeastern United States. The elevation throughout the region typically ranges from sea level along the southern shore to modest heights of around 200 to 300 feet above sea level in the northern portions of Nassau County. The landscape consists primarily of glacial outwash deposits left behind during the last ice age, creating well-drained sandy soils and relatively level ground. Small streams and creeks meander through the area, though none create significant topographical barriers or steep valleys. The terrain slopes very gradually from north to south, eventually reaching the Atlantic Ocean and Long Island Sound.

Optimal Areas for Large-Scale Solar Development

The flat to gently rolling topography throughout much of Nassau County makes the broader region well-suited for solar photovoltaic installations. Areas immediately north and east of Levittown, including parts of Hicksville, Bethpage, and Farmingdale, offer expanses of relatively undeveloped or underutilized land with minimal slope variations that would complicate solar panel placement. The former Grumman aerospace manufacturing sites in Bethpage present particularly attractive opportunities, as these large industrial parcels contain substantial flat areas that could accommodate extensive solar arrays. Similarly, portions of the Hempstead Plains that remain undeveloped offer natural advantages due to their inherently level terrain and open exposure. Agricultural areas in eastern Nassau County and western Suffolk County provide additional potential, where large farm fields create unobstructed spaces ideal for solar installations. These rural zones typically feature minimal shading from buildings or mature tree cover, while maintaining the favorable flat topography characteristic of the broader Long Island region. The southern areas closer to the coast, while topographically suitable, face greater development pressure and higher land values that may make large-scale solar projects less economically viable. Northern sections of Nassau County, where elevation increases slightly, still maintain gentle enough slopes to support solar development while often featuring larger available parcels and lower land costs compared to more densely populated southern communities.

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.