Southington, Connecticut, United States 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 location experiences strong seasonal differences in solar electricity production. Summer delivers the highest output at 5.81 kWh per day per kilowatt of installed solar capacity, making it the peak season for energy generation. Spring follows closely with 5.57 kWh per day, creating an excellent six-month period from roughly March through September for solar production. Autumn sees a notable decline to 3.45 kWh per day as daylight hours shorten and the sun's angle decreases. Winter presents the most challenging conditions with only 2.02 kWh per day, representing less than half the summer production levels. For optimal year-round performance, solar panels should be installed at a fixed tilt angle of 36 degrees facing south. This angle maximizes total annual electricity production by balancing the sun's varying seasonal positions throughout the year.Local Factors Affecting Solar Production
Several environmental and weather factors in Southington could significantly impact solar energy output:- Heavy snow accumulation during Connecticut winters can completely block solar panels
- Ice storms common to the region can coat panels and reduce efficiency
- Frequent cloud cover and overcast conditions, particularly in winter months
- Deciduous trees that may cast shadows when fully leafed in summer
- Salt air corrosion from proximity to Long Island Sound
Preventative Installation Measures
To maximize solar production despite these challenges, several installation strategies prove effective:- Install panels with adequate spacing for snow to slide off naturally
- Use mounting systems that allow for safe snow removal access
- Select panels with anti-reflective coatings to perform better in diffuse light conditions
- Ensure proper grounding and surge protection for ice storm resilience
- Choose corrosion-resistant mounting hardware rated for coastal environments
- Conduct thorough shade analysis to avoid tree shadows during peak production hours
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 Southington
Seasonal solar PV output for Latitude: 41.6047, Longitude: -72.8813 (Southington, 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 Southington, United States
To maximize your solar PV system's energy output in Southington, United States (Lat/Long 41.6047, -72.8813) 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 Southington, 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 Southington, 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 | 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 Southington, 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 Southington, 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 Southington, United States
Topographical Features Around Southington
The landscape surrounding Southington, Connecticut presents a varied terrain characteristic of the central Connecticut River Valley region. The area sits within a transitional zone between the higher elevations of the western Connecticut highlands and the flatter coastal plain to the east. Rolling hills and gentle ridges define much of the immediate vicinity, with elevations typically ranging from approximately 200 to 800 feet above sea level. The topography features a mix of moderate slopes, broad valleys, and relatively flat plateaus that were shaped by glacial activity thousands of years ago. Several small streams and waterways wind through the region, creating natural drainage patterns that have carved shallow valleys into the landscape. The terrain generally slopes eastward toward the Connecticut River, though local variations create pockets of different orientations and gradients. Bedrock in the area consists primarily of sedimentary formations, including sandstone and shale, which influence both the soil composition and drainage characteristics. The glacial till deposited across the region has created a somewhat uneven surface with scattered rock outcroppings and areas of varying soil depth.Optimal Areas for Large-Scale Solar Development
The most suitable locations for extensive solar photovoltaic installations lie in the flatter agricultural areas and open fields scattered throughout the region. These zones typically feature gentle slopes of less than 10 degrees, which provide ideal conditions for solar panel mounting while minimizing grading requirements and installation costs. The broad valley floors and plateau areas offer the largest continuous parcels of relatively level ground. These locations benefit from minimal shading concerns due to their elevated position relative to surrounding tree lines and structures. The open agricultural lands, particularly former tobacco fields and pastures, present excellent opportunities for solar development due to their cleared state and typically favorable soil conditions for foundation work. Areas with southern-facing slopes of moderate grade also present attractive possibilities for solar installations. These naturally oriented surfaces can enhance energy collection efficiency while maintaining reasonable construction accessibility. The rolling terrain creates numerous such opportunities where hillsides face the optimal direction for solar exposure. Former industrial sites and brownfield locations within the region may offer additional development potential, particularly where the land has been cleared and leveled through previous use. These areas often provide good access to existing electrical infrastructure while avoiding conflicts with prime agricultural or residential land use. The key advantage of this Connecticut location lies in its combination of accessible terrain, proximity to electrical grid infrastructure, and availability of suitable land parcels that avoid environmentally sensitive areas such as wetlands and steep slopes that characterize other portions of the state.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 1st of August 2025
Last Updated: Friday 8th of August 2025
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Compare this location to others worldwide for solar PV potential
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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.




