West Springfield, Massachusetts, located in the Northern Temperate Zone, presents a mixed picture for solar PV energy generation throughout the year. The location's latitude and longitude (42.1177, -72.6445) contribute to significant seasonal variations in solar energy production.
Seasonal Solar Performance
Summer stands out as the most productive season for solar energy in West Springfield, with an average daily output of 5.73 kWh per kW of installed solar capacity. Spring follows closely behind, generating 5.39 kWh per day. These seasons offer ideal conditions for maximizing solar energy production, with longer daylight hours and generally clearer skies. Autumn sees a noticeable decrease in solar output, producing an average of 3.29 kWh per day. This decline is due to shorter days and the sun's lower position in the sky. Winter presents the greatest challenge for solar energy generation in West Springfield, with daily production dropping to just 1.92 kWh per kW installed. The combination of shorter days, lower sun angles, and increased cloud cover contributes to this significant reduction in output.Optimal Panel Installation
To maximize year-round solar energy production in West Springfield, fixed solar panels should be installed at a tilt angle of 36 degrees facing south. This angle is calculated to capture the most sunlight throughout the year, considering the location's latitude and the sun's changing position across seasons.Environmental and Weather Considerations
Several factors can impact solar energy production in West Springfield: 1. Snow accumulation: Winter snowfall can temporarily reduce panel efficiency by blocking sunlight. Regular panel cleaning or the installation of snow guards can help mitigate this issue. 2. Cloud cover: The region experiences significant cloud cover, particularly in winter months. While modern solar panels can still generate some electricity on cloudy days, overall production is reduced. 3. Tree shading: West Springfield's suburban environment may include trees that could cast shadows on solar panels. Careful placement and potentially selective trimming can help maximize sun exposure. 4. Air pollution: While not a major concern in West Springfield, occasional air pollution from nearby urban areas could slightly reduce solar efficiency. Regular panel cleaning can help maintain optimal performance. To address these challenges, consider using high-efficiency panels that perform well in low-light conditions, implementing a robust cleaning and maintenance schedule, and carefully planning panel placement to minimize shading issues. Additionally, incorporating a battery storage system can help balance out the seasonal variations in energy production, ensuring a more consistent power supply throughout the year.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 West Springfield
Seasonal solar PV output for Latitude: 42.1177, Longitude: -72.6445 (West Springfield, 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 36° South in West Springfield, United States
To maximize your solar PV system's energy output in West Springfield, United States (Lat/Long 42.1177, -72.6445) throughout the year, you should tilt your panels at an angle of 36° 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 West Springfield, 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 West Springfield, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 36° 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 | 46° 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 West Springfield, 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 West Springfield, United States.
Our calculation method
- Solar Position:
We determine the Sun's position on the Winter solstice using the location's latitude and solar declination. - Shadow Projection:
We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle. - 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 West Springfield, United States
The topography around West Springfield, United States, located at latitude 42.1177 and longitude -72.6445, is characterized by a diverse landscape that includes both flat areas and gently rolling hills. This region, situated in western Massachusetts, is part of the Connecticut River Valley, which has significantly influenced its terrain. The area immediately surrounding West Springfield is relatively flat, with the Connecticut River forming its eastern border. This flat terrain extends westward for several miles before gradually transitioning into more undulating landscape. The Connecticut River Valley, known for its fertile soil, provides expansive stretches of level ground that have historically been used for agriculture. As one moves away from the river, the landscape becomes more varied. To the west and northwest of West Springfield, the terrain begins to rise, forming a series of low hills and ridges. These elevations are part of the foothills of the Berkshire Mountains, which become more pronounced further to the west. Despite the presence of these hills, the overall elevation change in the immediate vicinity of West Springfield remains moderate.
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. The ideal locations would combine flat or gently sloping terrain, minimal shading from natural or man-made structures, and proximity to existing electrical infrastructure. The flat, open areas along the Connecticut River Valley present promising opportunities for solar PV development. These locations offer large, unobstructed spaces that receive ample sunlight throughout the day. Former agricultural lands or brownfield sites in this area could be particularly suitable, as they often provide the necessary space without requiring significant land clearing. Some of the gently sloping hillsides to the west of West Springfield might also be considered for solar installations. South-facing slopes can be advantageous for solar panels, as they typically receive more direct sunlight throughout the year. However, care must be taken to avoid areas with dense forest cover or steep gradients, which could complicate installation and reduce efficiency. It's important to note that while the topography is favorable in many areas around West Springfield for solar PV, other factors such as local zoning regulations, environmental considerations, and grid connection capabilities would need to be carefully evaluated before proceeding with any large-scale solar project. Consultation with local authorities and environmental experts would be crucial in identifying the most appropriate sites for such developments.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
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Friday 27th of December 2024
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.
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.




