Solar Panel Cost Guide in Knox, IN (2025 Update)

  • Knox Solar Installation Cost: $25,801
  • 25-Year Savings: $30,718
  • Payback Period: 13.6 Years

See cost of a solar system near you:

By EcoWatch Local Advisors

Data Analysis: James Savino

Ranking Methodology: Karsten Neumeister

Updated January 24, 2025

Why you can trust EcoWatch

We work with a panel of solar experts to create unbiased reviews that empower you to make the right choice for your home. No other site has covered renewables as long as us, which means we have more data and insider information than other sites. Our rankings are never affected by revenue or partnerships.

Average Cost of Solar Panels in Knox

Here’s how much it might cost to make the switch to solar in Knox.

The average cost of a solar panel system in Knox is 4 per watt.To cover the typical energy usage of the average home in Knox, most homeowners require a 9.0-kilowatt system. Using the figure above, a solar installation costs about $25,801, or $36,895 before the federal solar tax credit of 0 is applied.

Keep in mind that the numbers above are only averages. The price you’ll pay for solar may look quite different based on your household energy needs, the type of solar panels you choose, your solar contractor and more.For many homeowners, the upfront investment in solar power is worth paying. On average Knox homeowners see about $20,000 in savings on utility bills over 20 years.

You can click the button below to get connected with a vetted solar installer in Knox that can help you get a more accurate cost estimate for your home.

Solar savings over time in Knox

YearReturn on Investment
1 years$-24,081
3 years$-20,642
5 years$-17,203
7 years$-13,763
9 years$-10,324
11 years$-6,884
13 years$-3,445
15 years$-5
17 years$3,434
19 years$6,874
21 years$10,313
23 years$13,753
25 years$17,192

Top Solar Installers in Knox

Do-it-yourself solar panel installation is a way to cut costs, but it's an undertaking that can be a headache. Taking advantage of an installer can make switching to solar power much easier. Solar warranties and repairs are typically included in the cost of installation when you hire a solar company as well, which can save you more money after your upfront investment.

There are various licensed solar professionals that can take care of your solar installation project. Here are our suggestions:

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Best Solar Financing

Blue Raven Solar

★★★★★
4.5
  • Industry-leading in-house financing
  • Competitive pricing
  • Excellent reputation
  • Doesn't offer solar batteries

See all of the solar companies in Knox

Factors that Affect Solar Panel Costs in Knox

For many Knox homeowners, the decision to install a solar energy system depends on cost. However, the range of solar installation costs can be quite wide in Knox, with typical prices between $20,000 to $40,000. There are a few factors that greatly influence the price you’ll pay, which we'll go over below.

Solar Equipment

When it comes to estimating the price of a solar system in Knox, one of the most crucial factors is the size of the system you need. Solar systems are sized by kilowatts (kW) and are chiefly based on your home’s energy consumption, which you can figure out by looking at past power bills. Your overall cost can increase by about $4,100 for each additional kilowatt you need.The solar equipment you choose can bring your price up or down by thousands or even tens of thousands of dollars. If you opt for the most efficient solar panel brands, you’ll end up paying more upfront than if you opted for the most affordable panels. On the other hand, higher efficiency could save you more in the long run on your power bills. In addition, add-on products, like solar batteries, can bring your total well above the Knox average.

Solar Financing Terms

Solar panels can save you money on power bills over time, but they can also be a big investment. That’s why many Knox homeowners choose to finance their solar panel systems to make paying for solar more affordable.It’s wise to add the interest you’ll pay in your final cost estimate. If you can afford to put more money down upfront, you can reduce your total costs and the amount of time it’ll take to pay back the loan.

Solar Panel Installation Company

The solar company you choose to handle your switch to clean energy can play a part in your total costs. There are about 3 solar panel companies operating throughout Knox, and each can charge different amounts for labor and equipment.You may see national solar installers that have lower prices because of their larger brand name and access to bulk equipment pricing, or you might see small, local installation companies offering deals or specials to compete with those major players.

Solar Panel Cost Data by System Size

System sizeCost per system wattSolar system cost25-Year savingsPayback period
6 kW$4.26$17,909$13,84914.1 years
8 kW$4.18$23,419$18,92413.8 years
10 kW$4.10$28,700$24,22913.6 years
12 kW$4.02$33,751$29,76413.3 years
14 kW$3.94$38,573$35,52813.0 years
16 kW$3.85$43,165$41,52212.7 years
18 kW$3.77$47,527$47,74512.5 years
20 kW$3.69$51,660$54,19812.2 years

How to Save on Solar Panels

There are a lot of companies to choose from in Knox, and some homeowners feel overwhelmed considering their options. Picking the right company for you can be challenging, so here are some tips to help you decide:

  • Warranty: An all-inclusive, 25-year warranty can help keep your solar panels running for a long time and save you money on part replacement and repairs.
  • Solar Panel Brands: Different companies will have various brands and types of panels. If you want a specific brand, make sure the solar installer you’re considering has it.
  • Contract: When looking through your solar installer’s contract, ask questions about any terms you’re not sure of and make sure you understand what happens in scenarios such as a system part breaking or if the company goes out of business.
  • Installation Process: Make sure you’re aligned with the installer in regard to how the installation process will go and what you need to do before your solar panels are installed, such as updating or replacing your electrical system or roof.
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Best Solar Financing

Blue Raven Solar

★★★★★
4.5
  • Industry-leading in-house financing
  • Competitive pricing
  • Excellent reputation
  • Doesn't offer solar batteries

EcoWatch's Knox, IN Solar Cost FAQs

How much does it cost to install solar panels in Knox?

The average cost of solar panels in Knox is about $20,500 for a 5-kW system and $41,000 for a 10-kW system before the ITC, but the actual cost will depend on things like the model of solar panels you want, what size system you need and how much energy you consume.

Is it better to lease or buy solar panels in Knox?

Leasing solar panels can be an attractive choice, as it typically comes with low or $0 upfront payments. The downside is that you won’t be able to save as much. If you lease, you don’t own the system, so you can’t claim any tax rebates and credits and your home value won’t increase. Buying solar panels is a better option if you want to get the most savings.

Is it worth going solar in Knox?

Whether or not solar panels are worth it depends on a variety of factors like the cost of electricity near you and how much direct sunlight your roof gets.

How often do you have to replace solar panels?

On average, the lifespan of solar panels is about 25 to 30 years. Some even last up to 50 years, but their efficiency decreases by about 0.8% each year. You can choose to replace them sooner if you want to maintain a larger amount of energy production.

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.

Company research was conducted by Melissa Smith and Karsten Neumeister. Local data analysis was conducted by James Savino. See something we missed or could do better? Email the editor.