Solar Energy Potential in Demarest, New Jersey

Demarest, New Jersey, located in the Northern Temperate Zone, offers a moderate to good location for solar PV energy generation throughout the year, though with significant seasonal variations. The location experiences substantial differences in solar production between summer and winter months, which is typical for areas in this latitude.

Seasonal Solar Production

The solar energy production in Demarest follows the expected seasonal pattern for the Northern Hemisphere, with peak production during the summer months and lowest output during winter:

• Summer: 6.13 kWh per day per kW installed capacity
• Spring: 5.65 kWh per day per kW installed capacity
• Autumn: 3.63 kWh per day per kW installed capacity
• Winter: 2.14 kWh per day per kW installed capacity

This pattern shows that summer production is nearly three times higher than winter production, making summer and spring the ideal seasons for solar energy generation in this location.

Optimal Panel Installation

For a fixed panel installation in Demarest, the ideal angle to maximize year-round solar production is 35 degrees tilted toward the South. This specific angle has been calculated by analyzing the daily solar elevation angles at this latitude, determining optimal daily panel tilt, and weighting these angles according to daily photovoltaic potential using NASA's solar irradiance data.

Potential Challenges and Solutions

Several environmental and weather factors could impact solar production in Demarest: Heavy snowfall during winter months can temporarily cover panels and reduce production during the already low-yield winter season. Installing panels at the recommended 35-degree tilt helps snow slide off more easily than a flatter installation would. Snow guards may also be necessary in some installations. Tree coverage is significant in Bergen County where Demarest is located, potentially causing shading issues. A thorough shade analysis before installation and strategic tree trimming where possible can mitigate this challenge. Occasional severe weather, including hurricanes and nor'easters, affects this region. Using high-quality mounting systems rated for local wind conditions and impact-resistant panels can provide protection against these weather events. The area also experiences moderate humidity and air pollution from the nearby New York metropolitan area, which can reduce panel efficiency through particulate buildup. Regular cleaning and maintenance of panels can help maintain optimal performance. Despite these challenges, with proper installation techniques and ongoing maintenance, Demarest residents can effectively harness solar energy, particularly taking advantage of the highly productive summer and spring months.

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 Demarest

Seasonal solar PV output for Latitude: 40.9561, Longitude: -73.9625 (Demarest, 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 Demarest, United States

To maximize your solar PV system's energy output in Demarest, United States (Lat/Long 40.9561, -73.9625) 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 Demarest, 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 Demarest, 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

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 Demarest, 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 Demarest, 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 Demarest, United States

Demarest, New Jersey is situated in the northeastern part of the United States, in Bergen County. The topography of this area is characterized by gentle rolling hills and valleys, typical of the Piedmont physiographic province that extends along much of the eastern United States. The terrain around Demarest features modest elevation changes, with the landscape gradually rising from the Hudson River valley to the east toward higher elevations in the west. The area sits on the eastern edge of what are known as the Palisades, a line of steep cliffs that run along the western shore of the lower Hudson River. These geological formations create a varied landscape with some notable slopes and plateaus. Demarest itself sits at approximately 100-200 feet above sea level, with surrounding areas varying in elevation.

Surrounding Topographical Features

To the east of Demarest, the land slopes down toward the Hudson River, creating a gradual descent toward the river valley. This eastern-facing orientation provides some hillsides with good eastern exposure. The western portions of the area feature slightly higher elevations as the land begins to rise toward the more substantial hills of northern New Jersey. The region contains numerous small streams and drainage ways that have carved shallow valleys throughout the landscape. These waterways generally flow eastward toward the Hudson River, creating a pattern of small ridges and valleys across the area. Vegetation in the region is abundant, with significant tree cover throughout much of the undeveloped land. The natural forest coverage consists mainly of deciduous hardwood forests typical of the northeastern United States.

Solar PV Suitability in the Region

When considering areas near Demarest for large-scale solar photovoltaic installations, several topographical factors become important. The most suitable locations would typically include: The more level plateaus to the west of Demarest would offer good potential for large-scale solar installations. These areas provide relatively flat terrain that reduces the costs associated with site preparation and allows for more efficient array layouts. South-facing slopes throughout the region would be particularly advantageous for solar collection. There are moderate slopes in the area that face southward, which in the Northern Hemisphere provides optimal sun exposure throughout the year. Former agricultural lands or cleared areas approximately 5-10 miles to the northwest of Demarest, where the landscape opens up more, could provide suitable locations. These areas typically have less tree cover and more consistent terrain. The challenges for large-scale solar development in this region include the relatively dense population, high property values, and significant forest coverage. The most practical locations would be found farther west and northwest of Demarest, where larger open spaces exist and land might be more available for development. Areas immediately adjacent to Demarest itself are generally too densely populated and developed for large-scale solar installations, though smaller commercial or community solar projects might still be feasible on available open lands. The topography of this region, while not ideal compared to the vast flat expanses found in other parts of the country, still offers moderate potential for solar development, particularly where south-facing clearings or plateaus can be utilized.

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

Tell Us About Your Work

We love seeing how our research helps others! If you've cited this article in your work, we'd be delighted to hear about it. Drop us a line via our Contact Us page or on X, to share where you've used our information - we may feature a link to your work on our site. This helps create a network of valuable resources for others in the solar energy community and helps us understand how our research is contributing to the field. Plus, we occasionally highlight exceptional works that reference our research on our social media channels.

Feeling generous?

Share this with your friends!

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.