Solar Panel Cost Guide in Brentwood, MO (2025 Update)

  • Brentwood Solar Installation Cost: $17,060
  • 25-Year Savings: $18,719
  • Payback Period: 13.4 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 Brentwood

Find out what the average cost of solar panel installation is in Brentwood.

The average cost of solar panels in Brentwood is 3 per watt.To account for the typical energy needs of the average home in Brentwood, most homeowners require a 7.2-kilowatt system. Using the figure above, a solar installation costs around $17,060, or $24,396 before the federal solar tax credit of 0 is applied.

Keep in mind that the figures above are only estimates based on the average energy use of Brentwood homeowners. The cost of a solar system for your home may be different depending on factors unique to you, like your household energy use and solar contractor.Many homeowners find going solar is a sound investment. The average homeowner in Brentwood can save around $17,000 on their electricity bills over 20 years.

To receive a free estimate from a pre-vetted solar company in Brentwood, you can click the button below.

Solar savings over time in Brentwood

YearReturn on Investment
1 years$-15,769
3 years$-13,188
5 years$-10,607
7 years$-8,026
9 years$-5,445
11 years$-2,864
13 years$-283
15 years$2,298
17 years$4,880
19 years$7,461
21 years$10,042
23 years$12,623
25 years$15,204

Top Solar Installers in Brentwood

Do-it-yourself solar panel installation is a way to cut costs, but it's an undertaking that can use up a lot of your time and energy. Using a solar panel installer can make swapping over to solar power much easier. Some solar companies, especially local ones, can help you take advantage of incentives in Brentwood, thereby optimizing your ROI.

If you're looking for a solar installer in Brentwood, we've compiled a list of our top suggestions here:

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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 Brentwood

Factors that Affect Solar Panel Costs in Brentwood

There are many factors that can affect your solar panel installation cost, such as the size of your system, the equipment you choose, your financing options and the specific company that performs the installation.

Solar Equipment

The size of the solar panel system you need to offset your energy usage, which is measured in kilowatts, is the most significant cost factor to consider. For every additional kilowatt you need, you can expect your total to increase by nearly $3,370. The brand of solar panels and equipment you get is another factor that will significantly impact costs. Solar panels that are more efficient, like monocrystalline panels, tend to come at a higher price. Furthermore, solar equipment goes beyond just the solar panels themselves. You’ll also need to consider the kind of racks used to mount the panels, inverters, solar batteries, etc. It’s important to take all of this into consideration when searching for a solar system that’s in your budget.

Solar Financing Terms

Solar panels can save you money on energy bills over time, but they can also be a big investment. That’s why many Brentwood homeowners decide to finance their solar panel systems to make going solar more affordable.It’s a good idea to include 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 off the loan.

Solar Panel Installation Company

The solar company you select will play a role in your total cost to make the switch to solar power. Different companies will bill different amounts for the equipment and labor.Additionally, some companies in Brentwood have more knowledge about local solar incentives and can help you learn about additional rebates or tax exemptions. Though, they may charge more for walking you through the whole process. Even if they cost more upfront, they could end up saving you more money in the long run.

Solar Panel Cost Data by System Size

System sizeCost per system wattSolar system cost25-Year savingsPayback period
6 kW$3.50$14,720$11,68813.9 years
8 kW$3.44$19,249$15,96213.7 years
10 kW$3.37$23,590$20,42413.4 years
12 kW$3.30$27,742$25,07513.1 years
14 kW$3.24$31,705$29,91512.9 years
16 kW$3.17$35,479$34,94312.6 years
18 kW$3.10$39,065$40,16012.3 years
20 kW$3.03$42,462$45,56612.1 years

How to Save on Solar Panels

Since the kind of solar panels and the company you choose has an impact on your costs and your system’s efficiency, production, and durability, it’s important to pick the right ones for you. Here are some things to keep in mind to help with your decision:

  • Contract: Look through the contract terms closely to make sure you understand how much it will cost, project timeline incentives and warranties.
  • Solar Panel Brands: Each solar panel brand and kind has varying levels of quality, durability and efficiency. They will come at different price points as well. The company you choose impacts which solar panel brands you have access to.
  • Reputation: Make sure your solar installer has a good reputation by verifying it has certifications and licenses, checking how long it's been in business and reading reviews by previous customers and solar experts like the EcoWatch team.
  • Installation Process: Make sure you’re aligned with the installer regarding how the installation process will go and what needs to be done before your solar system is installed, such as repairing 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 Brentwood, MO Solar Cost FAQs

What is the average cost of installing solar panels in Brentwood?

The average cost of solar panels in Brentwood is about $16,850 for a 5-kW system and $33,700 for a 10-kW system before the ITC, but the real cost will depend on certain factors like the model of solar panels you want, what size system you need and how much energy you consume.

Is cost the most important thing to consider when buying solar panels?

Cost is a crucial factor to consider, but whether it’s the most important for you depends on why you decided to go solar. In places where rooftop space is limited, efficiency can trump the cost. Other factors that are important to keep in mind are the quality and durability of your solar panels.

How much can I save on energy bills after installing solar panels?

Solar panels can potentially eliminate your electricity bills depending on where you’re located and how much sunlight your home gets. Even if it doesn’t get rid of them completely, you can save a lot of money on your bills, about $880.28 per year.

What solar power system size is right for my home?

The exact number of solar panels you need depends on your household energy needs and how much sunlight your roof gets. You can take a look at your energy bills for the past year to get an idea of the solar system size you'll need. The average household has to buy between 20 and 35 panels to cover their typical energy usage.

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.