Solar Panel Cost Guide in Killingworth, CT (2025 Update)
- Killingworth Solar Installation Cost: $11,907
- 25-Year Savings: $18,129
- Payback Period: 11.0 Years
See cost of a solar system near you:
Please enter a valid 5-digit zip code!
Why you can trust EcoWatch
Average Cost of Solar Panels in Killingworth
We go over average solar pricing in Killingworth.
In Killingworth, solar panels cost about 4 per watt on average.The average Killingworth homeowner needs a 4.5-kilowatt system, which would cost about $11,907 with the federal tax credit, or $17,027 before the 0 tax credit is applied.
Remember that the numbers above are only averages. The price you’ll end up paying for solar may look quite different based on your household energy use, the type of solar system you choose, your solar contractor and more.But, after you've paid the upfront cost of installation, the ROI for most homeowners is typically fruitful, with a net average savings of about $23,000 over 20 years on electricity bills.
To see your potential ROI and connect with a local solar installer, click the button below.
Solar savings over time in Killingworth
| Year | Return on Investment |
|---|---|
| 1 years | $-10,063 |
| 3 years | $-6,375 |
| 5 years | $-2,687 |
| 7 years | $1,001 |
| 9 years | $4,689 |
| 11 years | $8,377 |
| 13 years | $12,065 |
| 15 years | $15,753 |
| 17 years | $19,441 |
| 19 years | $23,129 |
| 21 years | $26,817 |
| 23 years | $30,505 |
| 25 years | $34,193 |
Top Solar Installers in Killingworth
Trying to put up solar panels yourself can be a time-consuming undertaking, which is why getting a solar installation company is a good option for many homeowners. Companies can also have access to a large variety of the best solar panels and help you choose which one will be best for you.
Working with a vetted solar installer can make going solar easier. Here are our recommendations:
See all of the solar companies in Killingworth
Factors that Affect Solar Panel Costs in Killingworth
For many Killingworth homeowners, the decision to go solar comes down to cost. However, the range of solar installation costs can be quite wide in Killingworth, with typical prices between $20,000 to $40,000. There are a few factors that significantly influence the price you’ll pay, which we'll go over below.
Solar Equipment
The cost of solar panels varies by thousands of dollars due to a variety of factors. One of the notable factors is the system size, which is measured in kilowatts (kW). Solar power systems that have greater efficiency or power production require better technology and/or more equipment, both of which can raise costs. For each additional kilowatt you need, your cost can go up by about $3,750.Some solar brands — like Maxeon from SunPower — cost more upfront but also tend to offer better efficiency. In a city like Killingworth, where sunlight is relatively abundant, efficiency can quickly pay off. Also, if you have a small roof or you don’t have a lot of space for your panels, higher efficiency options will be more impactful. Additional equipment like electric vehicle chargers and solar batteries will also increase the cost.
Solar Financing Terms
If paying for a solar system in cash is too expensive, solar loans are a popular option because they cut back your upfront costs and allow you to pay for your system over a term of, on average, between five and seven years.While solar loans make switching to solar energy more accessible for Killingworth homeowners, they can also increase the total you pay for your system, depending on your interest rate and how long you take to pay off the loan. If you put down a larger down payment, though, you can cut back on how much interest you have to pay.
Solar Panel Installation Company
A final factor to consider when trying to evaluate the cost of solar for your home or business in Killingworth is the company you get to install your solar panel system. As with choosing a company to install new cabinets, for example, you’ll have many options for solar installers that offer a range of services at different price points.The size of the company sometimes plays the most considerable role in your total costs. Larger national companies, like SunPro and Sunrun, often have lower pricing due to access to more resources and better pricing. Smaller local companies might be more costly, but they can sometimes have better customer service and more customization options, and the occasional sale or promotion can bring their pricing lower to compete with bigger names.
Solar Panel Cost Data by System Size
| System size | Cost per system watt | Solar system cost | 25-Year savings | Payback period |
|---|---|---|---|---|
| 6 kW | $3.90 | $16,380 | $19,361 | 11.5 years |
| 8 kW | $3.83 | $21,420 | $26,235 | 11.2 years |
| 10 kW | $3.75 | $26,250 | $33,318 | 11.0 years |
| 12 kW | $3.67 | $30,870 | $40,612 | 10.8 years |
| 14 kW | $3.60 | $35,280 | $48,115 | 10.6 years |
| 16 kW | $3.52 | $39,480 | $55,829 | 10.4 years |
| 18 kW | $3.45 | $43,470 | $63,753 | 10.1 years |
| 20 kW | $3.38 | $47,250 | $71,886 | 9.9 years |
How to Save on Solar Panels
The company that does your system installation will affect the warranties and brands you have access to, and it will also have an impact on your total cost. Since choosing a company can be a challenge, we have some tips to help you, such as:
- Warranty: A quality company stands out from other companies by offering the gold standard warranty — a 25-year, all-inclusive warranty covering parts, labor and performance.
- Contract: It’s important to look over your solar installer’s contract carefully to understand what services they will provide, what the warranty covers and what you can expect about the project timeline.
- Installation Process: When going solar, it’s necessary to maintain an open line of communication with your solar panel installer. See to it that you understand how the installation process works and the completion timeline.
- Solar Panel Brands: The model of solar panel you want to get plays a role in which company you should choose, since different companies have different panels.
EcoWatch's Killingworth, CT Solar Cost FAQs
How much does it cost to install solar panels in Killingworth?
The average cost of solar panels in Killingworth is about $18,750 for a 5-kW system and $37,500 for a 10-kW system before the ITC, but the real cost will depend on stuff like the kind of solar panels you want, what size system you need and how much energy you use.
What other factors should I consider apart from cost when buying solar panels?
Cost is certainly one of the most important factors you should consider when buying solar panels, but other important factors include efficiency, durability, and quality.
Is it worth going solar in Killingworth?
Solar panels can be a good investment for a majority of homeowners, but they might not be worth it for everyone. If your home doesn't get a lot of direct sunlight and/or your energy bills are already pretty low, solar panels might not be for you.
How many solar panels do I need to power my home?
To figure out how many solar panels you need, you need to know how much energy your home needs and how much sunlight your home gets. For a general estimate, however, since each panel can usually produce about 250 to 400 watt-hours per hour, the average house will need 20 to 35 panels.
Our goal is to reach as many people as we can with sensible solutions like solar energy. Our team of full-time local researchers collects solar price and installation data for every city in America then compiles it to create these digestible city guides. If you want to read our solar expert's opinion on the top solar companies featured here, follow this link.