Flag of United States

Flag of United StatesSolar PV Analysis of Boylston, United States

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Boylston, United States (by season)

Boylston, Massachusetts offers a variable environment for solar energy production throughout the year. Located in the Northern Temperate Zone, this location experiences significant seasonal differences in solar energy potential that affect how efficiently photovoltaic (PV) panels can generate electricity.

Seasonal Solar Production

Solar energy generation in Boylston follows predictable seasonal patterns. Summer is the most productive season, with panels capable of generating 5.72 kWh per day for each kilowatt of installed capacity. Spring follows closely behind with 5.37 kWh/day per kW. Production drops considerably in autumn to 3.29 kWh/day, while winter sees the lowest output at just 1.95 kWh/day per kW of installed capacity.

The substantial difference between summer and winter production (nearly three times more energy in summer) reflects the region's northern latitude and typical weather patterns. This seasonal variation means that annual energy planning should account for these fluctuations.

Optimal Panel Installation

For fixed solar panel installations in Boylston, the ideal tilt angle to maximize year-round energy production is 37 degrees facing South. This angle optimizes the balance between summer and winter solar collection, accounting for the sun's changing position throughout the year at this latitude.

Environmental and Weather Challenges

Several significant factors can impact solar energy production in Boylston:

  • Snow accumulation during winter months can temporarily reduce or eliminate production until panels are cleared
  • Frequent cloud cover, particularly during winter and early spring, contributes to the lower seasonal output
  • Tree shading can be substantial in this heavily wooded region
  • Occasional severe weather including nor'easters and potential hurricane remnants can temporarily affect system operation

Mitigation Strategies

To maximize solar energy production in Boylston despite these challenges, consider these preventative measures:

  • Install panels at steeper angles than the optimal 37 degrees if winter production is particularly important, as this helps shed snow more effectively
  • Implement regular panel cleaning schedules, especially after snowfall
  • Conduct thorough shade analysis before installation and remove problematic trees where possible
  • Use microinverters or power optimizers to minimize the impact of partial shading
  • Consider ground-mounted systems in open areas to avoid roof complications and facilitate maintenance

With proper planning and installation techniques, solar energy remains viable in Boylston despite seasonal challenges, particularly given the strong production potential during spring and summer 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 Boylston

Seasonal solar PV output for Latitude: 42.3918, Longitude: -71.7037 (Boylston, 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:

Summer
Average 5.72kWh/day in Summer.
Autumn
Average 3.29kWh/day in Autumn.
Winter
Average 1.95kWh/day in Winter.
Spring
Average 5.37kWh/day in Spring.

 

Ideally tilt fixed solar panels 37° South in Boylston, United States

To maximize your solar PV system's energy output in Boylston, United States (Lat/Long 42.3918, -71.7037) 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.

The sun
At Latitude: 42.3918, Longitude: -71.7037, the ideal angle to tilt panels is 37° South

Seasonally adjusted solar panel tilt angles for Boylston, 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 Boylston, 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

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Boylston, United States as follows: In Summer, set the angle of your panels to 26° facing South. In Autumn, tilt panels to 47° facing South for maximum generation. During Winter, adjust your solar panels to a 57° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 35° angle facing South to capture the most solar energy in Boylston, United States.

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 Boylston, 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 Boylston, 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.






Please enter information above to calculate panel spacing.

Topography for solar PV around Boylston, United States

The topography around Boylston, Massachusetts presents a varied New England landscape characterized by rolling hills, small valleys, and modest elevation changes typical of central Massachusetts. Located in Worcester County, Boylston sits within what geographers call the Massachusetts Central Uplands, a physiographic region that transitions between the coastal lowlands to the east and the more pronounced hills and mountains to the west.

Landscape Features

The terrain around Boylston features gentle to moderate slopes with elevations generally ranging between 400 and 700 feet above sea level. The Wachusett Reservoir, a significant water body adjacent to Boylston, occupies a natural valley that was expanded for water storage. This reservoir represents one of the most prominent topographical features in the immediate area, with its expansive water surface contrasting with the surrounding wooded hills. The landscape shows the clear influence of glacial activity from the last ice age. Glacial till deposits, drumlins (elongated hills formed by glacial movement), and scattered erratic boulders are common throughout the region. These glacial formations contribute to the undulating character of the terrain, with some areas featuring more pronounced hills while others display gentler slopes or small plateaus. Forested areas dominate much of the undeveloped land, with mixed hardwood and conifer stands covering many of the hillsides. Stream valleys cut through the terrain, creating natural drainage patterns that generally flow toward the Nashua River watershed.

Optimal Areas for Solar PV Development

Several topographical factors make certain areas around Boylston potentially suitable for large-scale solar photovoltaic installations: The south-facing slopes of the region's hills present prime opportunities for solar development. These natural inclines already face the optimal direction for solar collection in the northern hemisphere, potentially increasing energy capture efficiency. Particularly promising are the moderate south-facing slopes to the north and northwest of Boylston proper, where the terrain provides natural elevation without excessive steepness. Areas of previously cleared land, such as former agricultural fields or commercial properties with large open spaces, offer practical development opportunities. These locations typically have minimal tree cover and established access routes. Several such areas exist along the Route 70 and Route 140 corridors. The relatively flat plateaus atop some of the region's hills could accommodate substantial solar arrays without requiring extensive grading or earth-moving operations. These areas combine good solar exposure with simplified construction requirements. Notable examples can be found in the northeastern portions of Boylston and neighboring West Boylston. Areas adjacent to existing electrical infrastructure present logistical advantages for solar development. The presence of transmission corridors running through parts of Worcester County provides potential connection points that could reduce interconnection costs. Several such utility corridors traverse the region to the west and south of Boylston. It's worth noting that while the region has suitable topography for solar development, considerations beyond pure terrain features would influence actual project viability. Local zoning regulations, conservation restrictions, wetland protections, and the region's substantial forest cover would all factor into site selection processes. The most promising development areas would balance favorable topography with minimal environmental impact and proximity to existing infrastructure.

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

Article: Solar PV Analysis of Boylston, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Thursday 1st of May 2025
Last Updated: Monday 22nd of September 2025

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?

"Just like the sun juicing up solar PV panels, coffee is our liquid sunshine that fuels our research and development shenanigans!" 😊
Buy me a coffee - Thanks for your support!

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.

Worldwide Solar PV Analysis of 20,000 Locations

Helping you assess viability of solar PV for your site

profileSOLAR on YouTube

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.

Calculate Your Optimal Solar Panel Tilt Angle