Solar Panel Cost Guide in Alton, TX (2025 Update)

  • Alton Solar Installation Cost: $16,573
  • 25-Year Savings: $14,479
  • Payback Period: 13.3 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 Alton

Here’s how much it might cost to switch to solar power in Alton.

Although the national average of solar panels is $2.66 per watt, solar panels in Alton generally cost around 3.The average Alton homeowner needs a 7.1-kilowatt system, which would cost about $16,573 with the federal tax credit, or $23,699 before the 0 tax credit is applied.

These figures are just averages, and the cost of going solar for you will most likely vary based on your energy needs and what company you choose to go with.For most homeowners, the upfront cost of solar power is worth paying. On average homeowners in Alton see about $17,000 in savings on electricity bills over 20 years.

For a personalized quote from a local solar company that has been pre-vetted by the EcoWatch team, click the button below.

Solar savings over time in Alton

YearReturn on Investment
1 years$-15,330
3 years$-12,846
5 years$-10,362
7 years$-7,878
9 years$-5,394
11 years$-2,910
13 years$-426
15 years$2,058
17 years$4,542
19 years$7,026
21 years$9,511
23 years$11,995
25 years$14,479

Top Solar Installers in Alton

DIY solar panel installation is a way to cut costs, but it's an undertaking that can be a headache. Using a solar company can make your swap to solar power much easier. Also, companies with a high reputation that are more expensive upfront could actually save you money in the long run with their warranties, repair services and expert design.

Working with a vetted solar company can make going solar easier. Here are our recommendations:

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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

Best Regional Coverage

Momentum Solar

★★★★★
4.5
  • Great warranty coverage
  • Representatives are experts on local policies
  • Concierge service ensures steady communication
  • Slightly limited service offerings

Best for Leasing

Sunrun

★★★★★
4.0
  • Expansive service area
  • Many financing options
  • Some reported issues with customer service
  • Some reported issues with door-to-door sales

See all of the solar companies in Alton

Factors that Affect Solar Panel Costs in Alton

The cost of installing a solar system in Alton can vary by more than $10,000 from home to home. Your actual cost depends on several factors. The most significant one is the size of the system you need, and other factors include equipment choices, financing options and the solar installer you choose.

Solar Equipment

One of the most significant factors to consider when it comes to the cost of going solar is the size of the solar system, which is measured in kilowatts (kW). The more electricity your household consumes, the larger your system will likely need to be. You can expect to pay about $3,330 per kilowatt in Alton.Some solar panel brands — like Maxeon from SunPower — cost more upfront but also tend to offer higher efficiency. In a city like Alton, where sunlight is abundant, efficiency can quickly pay off. In addition, if you have a small roof or limited space for your panels, higher efficiency options will be a better option. 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 an affordable route because they lower your upfront costs and allow you to pay for your system over a term of, on average, between five and seven years.You’ll have to consider the long-term cost of loans, including the amount of interest you’ll pay over the length of the loan. If you’re only able to get a high-interest loan, then your total can be hundreds or even thousands of dollars above the equipment and labor cost. Making a larger down payment or securing a solar loan with a low APR could reduce your costs significantly.

Solar Panel Installation Company

The solar company you hire to handle your switch to renewable energy can have an effect on your total costs. There are about 3 solar installation companies operating in Alton, and each can charge varying amounts for labor and equipment.Some companies only sell products with high efficiency and therefore a higher price point — like Maxeon solar panels from SunPower or Tesla Powerwall batteries — so choosing those installers will generally cost more. It’s best to do some research and choose a company that has the products, warranties and services you want and also is within your budget.

Solar Panel Cost Data by System Size

System sizeCost per system wattSolar system cost25-Year savingsPayback period
6 kW$3.46$14,545$11,66513.9 years
8 kW$3.40$19,021$15,92613.6 years
10 kW$3.33$23,310$20,37413.3 years
12 kW$3.26$27,413$25,00813.1 years
14 kW$3.20$31,329$29,82912.8 years
16 kW$3.13$35,058$34,83612.5 years
18 kW$3.06$38,601$40,03012.3 years
20 kW$3.00$41,958$45,41012.0 years

How to Save on Solar Panels

There are many companies available in Alton, and some homeowners feel overwhelmed considering their options. Selecting the right company for you can be difficult, so here are some tips to help you decide:

  • Warranty: A high-quality company rises above other companies by providing the gold standard warranty — a 25-year, all-inclusive warranty covering parts, labor and performance.
  • 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 panels are installed, such as repairing your electrical system or roof.
  • Reputation: The North American Board of Certified Energy Practitioners (NABCEP) is a well-established certification organization for renewable energy professionals. If your solar panel installer is NABCEP-certified, it most likely has a solid reputation and is qualified to install your solar system. Another way you can check your installer’s reputation is by reading reviews.
  • Solar Panel Brands: The type of solar panel you’d like to install plays a role in which company you should opt for, since different companies offer different panels.
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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

Best Regional Coverage

Momentum Solar

★★★★★
4.5
  • Great warranty coverage
  • Representatives are experts on local policies
  • Concierge service ensures steady communication
  • Slightly limited service offerings

Best for Leasing

Sunrun

★★★★★
4.0
  • Expansive service area
  • Many financing options
  • Some reported issues with customer service
  • Some reported issues with door-to-door sales

EcoWatch's Alton, TX Solar Cost FAQs

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

This is a difficult question to answer precisely, because the cost depends on a few different factors. Generally speaking, it costs about $16,650 for a 5-kW system and $33,300 for a 10-kW system after the ITC is applied. It will be more expensive if you want additional solar equipment or higher quality panels, or if you have higher-than-average energy consumption. On the other hand, you can spend less if you opt for a smaller solar panel system or cheaper solar panels.

What other factors should I consider in addition to cost when buying solar panels?

The upfront cost is a very important factor to consider, but whether it’s the most important for you depends on your goals for going solar. In places where rooftop space is limited, efficiency can be more important than the cost. Other factors that are important to consider are the quality and durability of your solar panels.

Can you sell solar power back to the grid in Alton?

The majority of states offer net metering programs of some kind. Through these, you can receive compensation for the extra power your system generates or or receive credits to put toward future electricity bills. Currently there are just three states that don’t have any net metering laws: Alabama, Tennessee and South Dakota.

How many solar panels should I get to power my home?

The exact number of solar panels you need depends on your household energy usage and the average daily 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 account for 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.