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Flag of United StatesSolar PV Analysis of Oak Bluffs, United States

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

Oak Bluffs, Massachusetts shows moderate potential for year-round solar energy generation, though with significant seasonal variations typical of its Northern Temperate Zone location.

Seasonal Solar Performance

The solar energy output at this location varies considerably throughout the year. Summer provides the strongest performance at 6.08 kWh per day per kilowatt of installed solar capacity, making it the peak season for solar generation. Spring follows as the second-best season with 5.72 kWh per day per kW, offering nearly comparable output to summer months. Autumn sees a notable decline to 3.57 kWh per day per kW, while winter presents the most challenging conditions with only 2.04 kWh per day per kW. This represents a three-fold difference between peak summer and winter production, which is typical for locations at this latitude. For optimal year-round energy capture, solar panels should be installed at a fixed tilt angle of 36 degrees facing south. This angle maximizes total annual production by balancing the sun's varying elevation throughout the seasons.

Local Environmental Challenges

Several environmental factors at Oak Bluffs can significantly impact solar energy production. The coastal location means salt air exposure, which can cause corrosion of panel frames, mounting hardware, and electrical connections over time. This requires using marine-grade materials and more frequent cleaning and maintenance schedules. Winter weather presents multiple challenges including snow accumulation that can block panels entirely, ice formation that may damage equipment, and frequent storms that can deposit debris or cause shading issues. The island's maritime climate also brings higher humidity levels and potential for fog, both of which can reduce solar efficiency. Strong coastal winds, while sometimes beneficial for cooling panels, can also carry salt spray further inland and create additional stress on mounting systems. The relatively dense vegetation common to Martha's Vineyard can also create shading issues as trees and shrubs grow over time.

Preventative Installation Measures

To maximize solar production despite these challenges, several installation strategies prove effective:
  • Use corrosion-resistant aluminum frames and stainless steel mounting hardware specifically rated for marine environments
  • Install panels at steeper angles (closer to the optimal 36 degrees) to promote natural snow shedding and water drainage
  • Ensure adequate spacing between panels and nearby vegetation, with regular trimming schedules planned
  • Choose panels with anti-reflective coatings that perform better in diffuse light conditions common during foggy weather
  • Install robust mounting systems designed for high wind loads typical of coastal areas
Regular maintenance becomes particularly important in this environment. Monthly cleaning to remove salt deposits, quarterly inspections of electrical connections, and annual professional assessments help maintain optimal performance. Planning for safe snow removal access during winter months also ensures panels can return to full production quickly after storms. Despite these challenges, Oak Bluffs remains viable for solar installation, particularly given the strong spring and summer performance that can offset the lower winter production typical of New England locations.

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 Oak Bluffs

Seasonal solar PV output for Latitude: 41.4567, Longitude: -70.5625 (Oak Bluffs, 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 2.04kWh/day in Winter.
Spring
Average 5.72kWh/day in Spring.

 

Ideally tilt fixed solar panels 36° South in Oak Bluffs, United States

To maximize your solar PV system's energy output in Oak Bluffs, United States (Lat/Long 41.4567, -70.5625) 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: 41.4567, Longitude: -70.5625, the ideal angle to tilt panels is 36° South

Seasonally adjusted solar panel tilt angles for Oak Bluffs, 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 Oak Bluffs, 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 34° 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 Oak Bluffs, 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 34° angle facing South to capture the most solar energy in Oak Bluffs, 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 Oak Bluffs, 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 Oak Bluffs, 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 Oak Bluffs, United States

Topography Around Oak Bluffs

Oak Bluffs sits on the northeastern shore of Martha's Vineyard, an island located off the coast of Massachusetts. The terrain around this coastal community is characterized by gently rolling hills and relatively low elevation changes typical of New England's glacially-formed landscape. The immediate area features a mix of sandy coastal plains, modest ridges, and shallow valleys that rarely exceed 100 feet in elevation above sea level. The topography transitions from sandy beaches and dunes along the Atlantic coastline to slightly more elevated inland areas covered with scrub oak, pitch pine forests, and open meadowlands. These inland sections rise gradually from the shore, creating a series of gentle slopes and plateaus that extend across the island's interior. The terrain is generally well-drained due to the sandy soil composition, which was deposited during the last ice age. Moving inland from Oak Bluffs, the landscape becomes more varied with small ponds, wetlands, and agricultural fields interspersed among the wooded areas. The island's glacial origins are evident in the numerous kettle ponds and the overall gentle, rounded character of the hills. Elevation changes are modest throughout the region, making most areas relatively accessible for development while maintaining the area's characteristic pastoral New England appearance.

Areas Suitable for Large-Scale Solar Development

The most promising locations for large-scale solar photovoltaic installations around Oak Bluffs would be the elevated inland plateaus and cleared agricultural areas that lie south and southwest of the town center. These areas offer several advantages including relatively flat or gently sloping terrain that faces south or southwest, providing optimal solar exposure throughout the day. The higher elevation inland areas also tend to have fewer trees and less coastal fog interference compared to locations closer to the shore. Former agricultural fields and pastureland in the central portions of Martha's Vineyard present particularly attractive opportunities for solar development. These areas have already been cleared of forest cover and typically feature level ground with good drainage characteristics. The sandy soil composition makes installation of ground-mounted solar arrays more straightforward, while the open terrain minimizes shading concerns from surrounding vegetation or structures. Areas to the west and southwest of Oak Bluffs, particularly around the towns of West Tisbury and Chilmark, contain larger tracts of open land that could accommodate utility-scale solar installations. These inland locations benefit from consistent wind patterns that help keep solar panels cool and operating efficiently, while being far enough from the immediate coastal zone to avoid the most severe salt air exposure that can affect equipment longevity. The relatively flat terrain throughout much of Martha's Vineyard means that most inland areas could technically support solar development from a topographical standpoint. However, the most suitable locations would be those that combine southern exposure, minimal tree cover, good road access for construction and maintenance, and sufficient distance from residential areas and environmentally sensitive coastal habitats.

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 Oak Bluffs, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Tuesday 5th of August 2025
Last Updated: Friday 8th 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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