Flag of United States

Flag of United StatesSolar PV Analysis of Harwinton, United States

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

Harwinton, Connecticut, located in the Northern Temperate Zone, offers a varied landscape for solar energy production throughout the year. With coordinates 41.7681° N, 73.0665° W, this location experiences significant seasonal fluctuations in solar energy potential.

The summer months prove to be the most productive for solar energy generation, with an impressive average of 5.86 kWh per day for each kilowatt of installed solar capacity. Spring follows closely behind, yielding 5.45 kWh/day. These seasons present ideal conditions for maximizing solar energy output.

Autumn sees a noticeable decrease in production, with an average of 3.46 kWh/day. Winter, as expected, shows the lowest output at 1.99 kWh/day per kW installed. This significant drop in winter production is typical for locations in the Northern Temperate Zone due to shorter days and lower sun angles.

Optimal Panel Installation

For fixed panel installations in Harwinton, the ideal tilt angle to maximize year-round solar production is 36 degrees facing South. This angle optimizes the panels' exposure to sunlight throughout the year, balancing the varying sun positions across seasons.

Environmental and Weather Considerations

Harwinton's location presents some challenges for solar energy production. The area experiences significant snowfall during winter months, which can temporarily reduce panel efficiency. To mitigate this, panels can be installed at a steeper angle to encourage snow sliding off. Additionally, regular panel cleaning and maintenance should be scheduled, especially after heavy snowfalls.

Tree cover in the region may also pose a challenge, potentially shading panels and reducing their effectiveness. A thorough site assessment should be conducted before installation to identify and address any shading issues, possibly including selective tree trimming where necessary.

Despite these challenges, with proper planning and maintenance, Harwinton remains a viable location for solar energy production. The strong performance during spring and summer months can help offset the reduced winter output, making year-round solar energy generation a feasible option for this Connecticut town.

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 Harwinton

Seasonal solar PV output for Latitude: 41.7681, Longitude: -73.0665 (Harwinton, 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 5.86kWh/day in Summer.
Autumn
Average 3.46kWh/day in Autumn.
Winter
Average 1.99kWh/day in Winter.
Spring
Average 5.45kWh/day in Spring.

 

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

To maximize your solar PV system's energy output in Harwinton, United States (Lat/Long 41.7681, -73.0665) 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: 41.7681, Longitude: -73.0665, the ideal angle to tilt panels is 36° South

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

The topography around Harwinton, Connecticut, in the United States, is characterized by gently rolling hills and small valleys typical of the New England region. This area is part of the Litchfield Hills, which are known for their scenic beauty and rural charm. The landscape is a mix of forested areas, open fields, and scattered residential developments.

The terrain in and around Harwinton is generally undulating, with elevations ranging from about 700 to 1,000 feet above sea level. The area features numerous small streams and ponds, which contribute to the varied topography. The region's geology is primarily composed of metamorphic and igneous rocks, resulting in a mix of rocky outcrops and fertile soil in the valleys.

Regarding areas nearby that would be most suited for large-scale solar PV (photovoltaic) installations, there are a few factors to consider. Ideal locations for solar farms typically include:

  1. Open, flat or gently sloping land with minimal shading from trees or buildings
  2. Areas with good sun exposure, preferably south-facing
  3. Locations close to existing electrical infrastructure for easier grid connection
  4. Land that is not prime agricultural or ecologically sensitive

Given these criteria, some of the more suitable areas for large-scale solar PV near Harwinton might include:

1. Former agricultural fields or pastures that are no longer in active use. These areas often provide the necessary open space and are already cleared of trees.

2. Brownfield sites or former industrial areas in nearby towns, which could be repurposed for solar energy production.

3. Large, open areas on the outskirts of neighboring towns where there is less residential development and more available land.

4. Gently sloping hillsides that face south, as these would receive optimal sunlight throughout the day.

It's important to note that any large-scale solar PV project would require careful planning, environmental assessments, and compliance with local zoning regulations. The rural nature of the Harwinton area means that balancing renewable energy development with preservation of the region's natural beauty and agricultural heritage would be a key consideration in selecting suitable sites for solar farms.

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 Harwinton, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Sunday 28th of July 2024
Last Updated: Monday 21st of July 2025

Tell Us About Your Work

We love seeing how our research helps others! If you've cited this article in your work, we'd be delighted to hear about it. Drop us a line via our Contact Us page or on X, to share where you've used our information - we may feature a link to your work on our site. This helps create a network of valuable resources for others in the solar energy community and helps us understand how our research is contributing to the field. Plus, we occasionally highlight exceptional works that reference our research on our social media channels.

Feeling generous?

"Just like the sun juicing up solar PV panels, coffee is our liquid sunshine that fuels our research and development shenanigans!" 😊
Buy me a coffee - Thanks for your support!

Share this with your friends!



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.

Worldwide Solar PV Analysis of 20,000 Locations

Helping you assess viability of solar PV for your site

profileSOLAR on YouTube

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.

Calculate Your Optimal Solar Panel Tilt Angle