Wilmington, Massachusetts, located in the Northern Temperate Zone, offers a varied landscape for solar energy production throughout the year. The location's potential for generating electricity via solar photovoltaic (PV) systems fluctuates significantly across seasons, presenting both opportunities and challenges for renewable energy enthusiasts.

Seasonal Solar Output

The solar energy potential in Wilmington demonstrates a clear seasonal pattern. Summer stands out as the most productive season, with an impressive daily output of 5.72 kWh per kW of installed solar capacity. Spring follows closely behind, yielding 5.37 kWh/day. These warmer months provide excellent conditions for solar energy generation, with longer daylight hours and more direct sunlight.

Autumn sees a noticeable decrease in solar output, dropping to 3.29 kWh/day. Winter presents the greatest challenge, with production falling to just 1.95 kWh/day per kW installed. This significant seasonal variation highlights the importance of proper system sizing and potentially considering energy storage solutions to balance out the yearly energy supply.

Optimal Panel Positioning

For those installing fixed solar panels in Wilmington, positioning them at a 37-degree angle facing south will maximize year-round energy production. This tilt angle is calculated to capture the most sunlight throughout the year, accounting for the Earth's orbit and the location's latitude.

Environmental Considerations

While Wilmington's location is generally favorable for solar energy, there are some environmental factors to consider:

• Snowfall: Massachusetts experiences significant snowfall in winter, which can temporarily reduce solar panel efficiency. Installing panels at the optimal angle helps snow slide off more easily.
• Tree coverage: The area's vegetation might cast shadows on solar arrays. A thorough site assessment can help determine the best placement to minimize shading.

To mitigate these factors, consider using snow-shedding panel designs and implementing regular maintenance routines. Additionally, tree trimming or selecting a less shaded area for installation can help maximize solar exposure.

In conclusion, while Wilmington faces challenges during the winter months, its overall solar potential remains promising. With proper planning and installation techniques, residents can harness significant solar energy, particularly during the spring and summer seasons.

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 Wilmington, Massachusetts

Seasonal solar PV output for Latitude: 42.5575, Longitude: -71.1736 (Wilmington, Massachusetts, 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 37° South in Wilmington, Massachusetts, United States

To maximize your solar PV system's energy output in Wilmington, Massachusetts, United States (Lat/Long 42.5575, -71.1736) throughout the year, you should tilt your panels at an angle of 37° 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 Wilmington, Massachusetts, 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 Wilmington, Massachusetts, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 37° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
26° South in Summer	47° South in Autumn	57° South in Winter	35° 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 Wilmington, Massachusetts, 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 Wilmington, Massachusetts, 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 Wilmington, Massachusetts, United States

The topography around Wilmington, Massachusetts, located at 42.5575°N and 71.1736°W, is characterized by gently rolling hills and low-lying areas typical of the New England region. This area is part of the Merrimack Valley, which features a mix of forested land, suburban developments, and some remaining agricultural spaces. The terrain in and around Wilmington is generally flat to moderately hilly, with elevations ranging from about 100 to 200 feet above sea level. The landscape is dotted with small ponds, streams, and wetlands, including parts of the Ipswich River watershed. The soil composition is primarily glacial till, a result of the region's ice age history, which has left behind a mix of sand, gravel, and clay deposits.

Potential Areas 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. Ideal locations would have relatively flat or gently sloping terrain, good sun exposure, and minimal shading from trees or buildings. Some of the most promising areas for solar PV development in the vicinity of Wilmington might include: 1. Former agricultural lands or open fields that are no longer in active use. These areas often provide the necessary space and sun exposure for solar arrays. 2. Industrial parks or commercial zones on the outskirts of town, where large, flat rooftops or unused parcels of land could be repurposed for solar installations. 3. Reclaimed landfills or brownfield sites, which are increasingly being used for solar energy projects as a way to put otherwise unusable land to productive use. 4. Areas along major transportation corridors, such as alongside highways or near railroad tracks, where land is often already cleared and may be suitable for solar development. It's important to note that any large-scale solar PV project would need to comply with local zoning regulations, environmental considerations, and grid connection capabilities. Additionally, community input and support would be crucial for the success of such initiatives in the Wilmington area.

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.