Solar Panel Cost Guide in Chantilly, VA (2025 Update)
- Chantilly Solar Installation Cost: $20,263
- 25-Year Savings: $21,159
- Payback Period: 13.8 Years
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Average Cost of Solar Panels in Chantilly
We break down average solar pricing in Chantilly.
The average cost of solar panels in Chantilly is 4 per watt.Since a 8.1-kW system is needed to cover the energy costs of a typical home in Chantilly, the average price of going solar will be about $20,263 after claiming the federal solar tax credit of 0.
Remember 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 want to get, your solar contractor and more.For most homeowners, the upfront investment in solar panels is worth paying. On average homeowners in Chantilly see about $17,000 in savings on utility bills over 20 years.
You can click the button below to get connected with a pre-vetted solar company in Chantilly for a quote for your home.
Solar savings over time in Chantilly
| Year | Return on Investment |
|---|---|
| 1 years | $-18,664 |
| 3 years | $-15,466 |
| 5 years | $-12,268 |
| 7 years | $-9,070 |
| 9 years | $-5,872 |
| 11 years | $-2,674 |
| 13 years | $524 |
| 15 years | $3,722 |
| 17 years | $6,919 |
| 19 years | $10,117 |
| 21 years | $13,315 |
| 23 years | $16,513 |
| 25 years | $19,711 |
Top Solar Installers in Chantilly
Although you can install solar panels yourself, it involves extra labor and knowledge. For that reason, the majority of homeowners choose to hire a solar panel installer. Plus, warranties and repairs from your solar panel company can protect your investment and bring down the cost of maintenance over the lifespan of your panels.
If you're on the hunt for a solar company in Chantilly, the EcoWatch team has put together a list of our top suggestions here:
Best Solar Financing
Blue Raven Solar
- Industry-leading in-house financing
- Competitive pricing
- Excellent reputation
- Doesn't offer solar batteries
See all of the solar companies in Chantilly
Factors that Affect Solar Panel Costs in Chantilly
Though the average cost of a solar system in Chantilly is $20,263, your actual cost may be higher or lower than that. There are several factors that can have a significant impact on the cost of a solar system installation. Below are some of the more important things to keep in mind.
Solar Equipment
One of the most important factors to consider when it comes to the cost of adopting solar energy is the size of the solar system, which is measured in kilowatts (kW). The more power your household consumes, the larger your system will likely need to be. You can expect to pay around $3,590 per kilowatt in Chantilly.Some solar panel brands — like Maxeon from SunPower — are more costly upfront but also tend to offer better efficiency. In a city like Chantilly, where sunlight is relatively abundant, efficiency can quickly pay off. Plus, if you have a small roof or you don’t have a lot of 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
Solar panels can save you money on energy bills over time, but they can also be a significant investment. That’s why many Chantilly homeowners decide to finance their solar panel systems to offset upfront costs.When estimating your overall cost, you should also calculate the interest you’ll pay if you choose to go with a solar loan. Also, paying a higher down payment can reduce the total interest paid over time.
Solar Panel Installation Company
The solar installation company you select will influence your total cost to make the switch to solar power. Different companies will bill different amounts for the equipment and labor.Larger national companies generally have lower costs, but some local companies undercut them by offering sales and discounts. While the smaller companies might not have specific equipment options like Tesla Powerwall batteries or additional services like electric vehicle charger installation, they might be cheaper overall.
Solar Panel Cost Data by System Size
| System size | Cost per system watt | Solar system cost | 25-Year savings | Payback period |
|---|---|---|---|---|
| 6 kW | $3.73 | $15,681 | $11,614 | 14.4 years |
| 8 kW | $3.66 | $20,506 | $15,888 | 14.1 years |
| 10 kW | $3.59 | $25,130 | $20,362 | 13.8 years |
| 12 kW | $3.52 | $29,553 | $25,038 | 13.5 years |
| 14 kW | $3.45 | $33,775 | $29,914 | 13.3 years |
| 16 kW | $3.37 | $37,796 | $34,992 | 13.0 years |
| 18 kW | $3.30 | $41,615 | $40,270 | 12.7 years |
| 20 kW | $3.23 | $45,234 | $45,750 | 12.4 years |
How to Save on Solar Panels
The company that does your solar system installation will affect the warranties and brands available to you, and it will also have an impact on your total cost. Since selecting a company can be a challenge, we have some tips to help you, such as:
- Contract: It’s important to read through your solar installer’s contract fully to understand what services they will provide, what the warranty covers and what expectations you should have about the project timeline.
- Solar Panel Brands: Different companies will have various brands and kinds of panels. If you know you want a specific brand, make sure the solar installer you’re considering has it.
- Reputation: Your solar installer should have a sound reputation as a company and have verifiable expertise in the field. Two ways to check this are to look for whether a company has technicians certified by the North American Board of Certified Energy Practitioners (NABCEP) and if it has satisfied reviews from previous customers.
- Installation Process: When going solar, it’s necessary to maintain an open line of communication with your solar panel company. Confirm that you understand how the installation process works and the project timeline.
Best Solar Financing
Blue Raven Solar
- Industry-leading in-house financing
- Competitive pricing
- Excellent reputation
- Doesn't offer solar batteries
EcoWatch's Chantilly, VA Solar Cost FAQs
What is the average cost of installing solar panels in Chantilly?
This is a tough question to answer precisely, because the cost depends on a variety of factors. Generally speaking, it costs about $17,950 for a 5-kW system and $35,900 for a 10-kW system after the ITC is applied. It will cost more if you want extra solar equipment or higher quality panels, or if you have above-average energy usage. Conversely, you can spend less if you choose a smaller solar panel system or less expensive solar panels.
What other factors should I consider other than cost when buying solar panels?
Cost is without a doubt one of the most important factors you should consider when buying solar panels, but other important factors include efficiency, durability, and quality.
Is switching to solar power worth it?
Whether or not solar panels are worth it depends on some different factors like local electricity rates and how much direct sunlight your roof gets.
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 amount of sunlight your roof gets. You can 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.