Solar PV Analysis of Middletown, Rhode Island, United States
Middletown, Rhode Island, located in the Northern Temperate Zone, presents a varied landscape for solar energy generation throughout the year. The location's potential for solar PV production fluctuates significantly across seasons, reflecting the region's distinct climate patterns.
Seasonal Solar Performance
Summer stands out as the peak season for solar energy production in Middletown, with an impressive daily output of 6.12 kWh per kW of installed solar capacity. Spring follows closely behind, generating 5.77 kWh/day. These seasons offer ideal conditions for maximizing solar energy harvesting.
Autumn sees a noticeable decrease in solar output, dropping to 3.65 kWh/day. Winter experiences the most significant reduction, with daily production falling to 2.15 kWh/day per kW installed. This substantial seasonal variation highlights the importance of efficient system design to ensure year-round energy sufficiency.
Optimal Panel Configuration
For fixed panel installations in Middletown, the ideal tilt angle to maximize year-round solar production is 36 degrees facing South. This configuration helps optimize energy capture across all seasons, balancing the higher sun angles of summer with the lower winter sun position.
Environmental Considerations
While Middletown's location is generally favorable for solar energy, there are some environmental factors to consider:
- Coastal Weather: Proximity to the Atlantic Ocean can lead to salt spray and humidity, potentially affecting solar panel efficiency and longevity.
- Snow Cover: Winter snowfall may temporarily reduce panel output, though the tilted installation helps with snow shedding.
To mitigate these factors, consider using marine-grade materials for mounting systems and ensure panels are easily accessible for cleaning. Regular maintenance, including snow removal in winter, can help maintain optimal performance year-round.
Despite these challenges, Middletown's location offers substantial potential for solar energy generation, particularly from late spring through early fall. With proper system design and maintenance, solar PV can be a reliable and efficient energy source for this Rhode Island community.
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 Middletown, Rhode Island
Seasonal solar PV output for Latitude: 41.5194, Longitude: -71.277 (Middletown, Rhode Island, 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 Middletown, Rhode Island, United States
To maximize your solar PV system's energy output in Middletown, Rhode Island, United States (Lat/Long 41.5194, -71.277) 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 Middletown, Rhode Island, 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 Middletown, Rhode Island, 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 |
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 Middletown, Rhode Island, 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 Middletown, Rhode Island, 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 Middletown, Rhode Island, United States
The topography around Middletown, United States (located at latitude 41.5194 and longitude -71.277) is characterized by gently rolling coastal terrain. This area is part of Rhode Island's Aquidneck Island, which sits in Narragansett Bay. The landscape is a mix of low hills, shallow valleys, and coastal plains, with elevations generally ranging from sea level to about 200 feet above sea level.
The eastern side of Middletown faces the Sakonnet River, which is actually a tidal strait, while the western side borders Newport Harbor. The terrain gradually slopes upward from the coastline, creating a series of modest hills and ridges inland. These features contribute to a varied but generally mild topography, typical of New England's coastal regions.
When considering areas nearby that would be most suited for large-scale solar PV (photovoltaic) installations, several factors come into play. Ideally, solar farms require relatively flat or gently sloping land with good exposure to sunlight throughout the day. Given these criteria, the following areas near Middletown might be suitable:
1. The central and northern parts of Aquidneck Island, away from the immediate coast, offer some potential. These areas have more open, gently rolling terrain that could accommodate large solar arrays.
2. The mainland areas to the north and northeast of Middletown, such as parts of Tiverton and Little Compton, have expanses of rural land that might be suitable for solar development.
3. Some of the larger, flatter areas in nearby Portsmouth might also be considered, particularly in its northern sections.
However, it's important to note that the region's high population density, historical significance, and environmental considerations may limit the availability of large tracts of land for solar farms. Additionally, the coastal location means that salt air and potential sea mists could impact solar panel efficiency and maintenance requirements. Any large-scale solar PV project in this area would need to carefully balance energy production goals with land use regulations, environmental concerns, and community interests.
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 26th of July 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.
