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Flag of United StatesSolar PV Analysis of Fall River, United States

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

Fall River, Massachusetts offers moderate solar energy potential for year-round electricity generation, though with significant seasonal variation typical of its Northern Temperate Zone location.

Seasonal Solar Production

The solar energy output at Fall River varies considerably throughout the year. Summer provides the strongest performance at 6.08 kWh per day per installed kilowatt, making it the peak season for solar generation. Spring follows closely with 5.73 kWh per day per kilowatt, representing excellent production conditions. Autumn drops to 3.57 kWh per day per kilowatt, which is still reasonable for energy generation. Winter presents the most challenging conditions with only 2.09 kWh per day per kilowatt, reflecting the typical limitations of northern climates during the coldest months.

Optimal Panel Installation

For maximum year-round solar production at Fall River, fixed solar panels should be tilted at 36 degrees facing south. This angle is calculated using weighted daily solar elevation data and accounts for Earth's elliptical orbit to optimize total annual energy output.

Local Factors Affecting Solar Production

Several environmental and weather factors in Fall River can impact solar panel performance:
  • Snow accumulation: Winter snowfall can cover panels and block sunlight
  • Salt air corrosion: Proximity to the ocean increases salt exposure
  • Coastal fog: Marine layer can reduce solar irradiance
  • High humidity: Can affect panel efficiency and promote corrosion

Preventative Measures

To maximize solar energy production despite these challenges, several installation strategies can help:
  • Steeper tilt angles: Panels angled at 45-50 degrees help snow slide off naturally
  • Marine-grade components: Use corrosion-resistant aluminum frames and stainless steel hardware
  • Elevated mounting: Install panels higher to improve air circulation and reduce salt spray exposure
  • Regular maintenance: Schedule cleaning and inspections, especially after storms
  • Anti-corrosion coatings: Apply protective treatments to mounting hardware
Fall River's coastal New England location presents both opportunities and challenges for solar energy generation, with strong spring and summer production offsetting the more limited winter output typical of northern climates.

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 Fall River

Seasonal solar PV output for Latitude: 41.7166, Longitude: -71.1431 (Fall River, 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 6.08kWh/day in Summer.
Autumn
Average 3.57kWh/day in Autumn.
Winter
Average 2.09kWh/day in Winter.
Spring
Average 5.73kWh/day in Spring.

 

Ideally tilt fixed solar panels 36° South in Fall River, United States

To maximize your solar PV system's energy output in Fall River, United States (Lat/Long 41.7166, -71.1431) 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.

The sun
At Latitude: 41.7166, Longitude: -71.1431, the ideal angle to tilt panels is 36° South

Seasonally adjusted solar panel tilt angles for Fall River, 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 Fall River, 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
25° South in Summer 46° South in Autumn 56° 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 Fall River, United States as follows: In Summer, set the angle of your panels to 25° facing South. In Autumn, tilt panels to 46° facing South for maximum generation. During Winter, adjust your solar panels to a 56° 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 Fall River, 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 Fall River, 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 Fall River, 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 Fall River, United States

Topography Around Fall River

Fall River sits in southeastern Massachusetts along the eastern shore of Mount Hope Bay, where the Taunton River meets Narragansett Bay. The city occupies a relatively flat coastal plain with gentle rolling hills that rarely exceed 200 feet in elevation. The terrain slopes gradually downward from the interior toward the waterfront, creating natural drainage patterns that have historically supported both urban development and industrial activities.

The surrounding landscape is characterized by a mix of low-lying coastal areas, modest hills, and numerous wetlands. To the north and west, the topography becomes slightly more varied with small ridges and valleys, while the southern areas toward the Rhode Island border remain predominantly flat. The region features scattered woodlands interspersed with agricultural fields, residential developments, and remnants of the area's industrial past.

Water bodies play a significant role in shaping the local topography, with the Taunton River system creating a network of tributaries, ponds, and wetland areas throughout the region. These water features, combined with the coastal influence, create microclimates and affect local weather patterns across the landscape.

Optimal Areas for Large-Scale Solar Development

The most promising locations for large-scale solar photovoltaic installations lie in the gently rolling agricultural areas northwest and northeast of Fall River. These zones offer relatively flat terrain with minimal shading obstacles, making them ideal for extensive solar arrays. The open farmland provides large contiguous parcels that can accommodate utility-scale projects without the complications of urban infrastructure or sensitive environmental areas.

Areas along the Fall River-Freetown border present particularly attractive opportunities, where former agricultural land offers both suitable topography and proximity to existing electrical infrastructure. The terrain in these locations typically features gentle south-facing slopes that naturally optimize solar panel positioning throughout the day.

The western portions of the region, extending toward Taunton and beyond, contain numerous sites with favorable characteristics including minimal tree cover, good drainage, and stable soil conditions. These areas benefit from being inland enough to avoid coastal weather extremes while maintaining relatively flat topography that minimizes grading and site preparation costs.

Industrial brownfield sites scattered throughout the region also present viable options for solar development. Many of these locations already possess electrical infrastructure connections and have been cleared of vegetation, reducing development complexity. Former industrial areas often feature flat, compacted surfaces that can support solar installations with minimal environmental impact.

Areas to avoid for large-scale solar development include the numerous wetlands and flood-prone zones near water bodies, heavily forested sections that would require extensive clearing, and the steeper terrain found in scattered locations throughout the region. Additionally, the immediate coastal areas face challenges from salt air exposure and potential storm surge impacts that make them less suitable for long-term solar installations.

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 Fall River, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Wednesday 16th of July 2025
Last Updated: Wednesday 6th of August 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.

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