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Flag of United StatesSolar PV Analysis of Wethersfield, United States

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

Wethersfield, Connecticut, United States is a location with moderate potential for solar energy generation, experiencing significant seasonal variations in solar production throughout the year. Located in the Northern Temperate Zone, this area demonstrates the typical pattern of higher solar yields during summer months with reduced output during winter.

Seasonal Solar Production

Solar panels in Wethersfield show strong performance during the warmer months but experience a substantial decline during winter. During summer, each kilowatt of installed solar capacity generates approximately 5.81 kWh per day, making this the peak production season. Spring follows closely with 5.58 kWh daily output per kilowatt installed.

Autumn sees a moderate decline to 3.45 kWh daily production per kilowatt, while winter represents the challenging season with only 2.01 kWh daily output per kilowatt of installed capacity. This winter reduction represents approximately 65% less production compared to summer months.

Optimal Panel Installation

For fixed solar panel installations in Wethersfield, the ideal tilt angle to maximize year-round energy production is 36 degrees facing South. This specific angle optimizes the annual solar harvest by balancing seasonal variations in sun position throughout the year.

Environmental and Weather Considerations

Several environmental factors in Wethersfield may impact solar energy production. The region experiences significant snowfall during winter months, which can temporarily cover panels and reduce output. Installing panels at the recommended 36-degree tilt helps facilitate snow sliding off more easily than flatter installations would allow.

New England's deciduous tree coverage presents another consideration. Leaf shedding in autumn helps winter sun penetration, but surrounding trees may still cast shadows. A thorough shade analysis during installation planning can identify optimal panel placement to minimize this impact.

The region also experiences occasional severe weather including nor'easters and potential hurricane remnants that can bring high winds. Ensuring panels are installed with high-quality mounting systems rated for local wind conditions is essential for system longevity and performance.

Wethersfield's moderate humidity and occasional foggy conditions, particularly in spring and fall mornings, can marginally reduce solar efficiency. Regular panel cleaning to remove pollen, dust and other atmospheric deposits will help maintain optimal production levels 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 Wethersfield

Seasonal solar PV output for Latitude: 41.7044, Longitude: -72.6781 (Wethersfield, 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 5.81kWh/day in Summer.
Autumn
Average 3.45kWh/day in Autumn.
Winter
Average 2.01kWh/day in Winter.
Spring
Average 5.58kWh/day in Spring.

 

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

To maximize your solar PV system's energy output in Wethersfield, United States (Lat/Long 41.7044, -72.6781) 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: 41.7044, Longitude: -72.6781, the ideal angle to tilt panels is 36° South

Seasonally adjusted solar panel tilt angles for Wethersfield, 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 Wethersfield, 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 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 Wethersfield, 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 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 Wethersfield, 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 Wethersfield, 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 Wethersfield, 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 Wethersfield, United States

Wethersfield, Connecticut is located in the central part of the state within the Connecticut River Valley. The topography of the area is characterized by gently rolling terrain with modest elevation changes. The town sits on the western bank of the Connecticut River, which serves as its eastern border. This location places Wethersfield within a broad, fertile valley that has historically been valuable for agriculture. The landscape around Wethersfield features a mix of relatively flat floodplains near the Connecticut River and gradually rising terrain as one moves westward. Elevations in the area typically range from about 10-15 feet above sea level along the river to approximately 150-200 feet in the western portions of town. This gentle slope creates a subtle east-facing aspect across much of the region.

Notable Topographical Features

The Connecticut River forms the most significant natural feature in the area. This major waterway has shaped the surrounding landscape through centuries of flooding and sediment deposition, creating rich alluvial soils in the floodplain. The river valley itself is quite broad in this section, spanning several miles from the eastern highlands to the western ridges. West of Wethersfield, the terrain gradually rises toward a series of north-south trending ridges that form part of the Central Valley's western boundary. These ridges, though modest in height compared to mountains, provide some topographical variation to the otherwise gentle landscape. The area also contains scattered wetlands, particularly in low-lying areas near the river and its tributaries. These wetland areas represent local depressions in the topography where water naturally collects.

Potential Areas for Solar PV Development

For large-scale solar photovoltaic (PV) installations, several areas around Wethersfield present favorable conditions based on topographical considerations: The slightly elevated western portions of the region offer good potential for solar development. These areas typically have gentle east-facing slopes that receive good morning and midday sun exposure. The modest elevation also reduces the risk of flooding while still maintaining relatively flat terrain that simplifies construction and installation. Former agricultural lands in the central portions of the area provide another opportunity. These locations typically feature cleared, open spaces with minimal shading from terrain features. The generally flat nature of these former farmlands minimizes the need for extensive grading during solar facility construction. Areas south of Wethersfield proper, extending toward Rocky Hill and Newington, offer additional potential. This region features gently rolling terrain with numerous open spaces that receive consistent sun exposure. The modest hills in this area can sometimes be oriented to maximize southern exposure, which is ideal for solar collection in the northern hemisphere. It's worth noting that the immediate floodplain areas adjacent to the Connecticut River would be less suitable for large-scale solar development due to periodic flooding risks. Similarly, the scattered wetland areas throughout the region would present environmental challenges for development. The overall topographical character of the Wethersfield area—with its gentle slopes, modest elevation changes, and numerous open spaces—makes it generally amenable to solar PV development from a terrain perspective. The most favorable locations would be those that combine slight elevation (to avoid flooding), southern or eastern exposure, and minimal natural shading from terrain features.

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 Wethersfield, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Wednesday 23rd of April 2025
Last Updated: Saturday 6th of September 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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