Solar Panel Cost Guide in Stillwater, NJ (2025 Update)

  • Stillwater Solar Installation Cost: $11,874
  • 25-Year Savings: $6,866
  • Payback Period: 18.3 Years

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By EcoWatch Local Advisors

Data Analysis: James Savino

Updated January 24, 2025

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Average Cost of Solar Panels in Stillwater

See how much it might cost to install solar panels in Stillwater.

The national average cost of solar panels is $2.66 per watt, but in Stillwater it’s 4 per watt.The average solar panel system size in Stillwater is around 4.8 kilowatts, meaning a cost of about $11,874 for a solar installation, or $16,980 before the 0 federal solar tax credit is applied.

The prices above are just estimates to give you an idea of how much a solar panel system could cost. The true cost of installing solar panels can vary quite a bit depending on multiple factors, such as what size system you need, your energy consumption and what company you go with.With average savings of about $13,000 on electricity bills over 20 years, many homeowners in Stillwater find installing solar panels can be quite rewarding.

To receive a free quote from a highly rated solar company in Stillwater, you can click the button below.

Solar savings over time in Stillwater

YearReturn on Investment
1 years$-10,815
3 years$-8,696
5 years$-6,578
7 years$-4,460
9 years$-2,341
11 years$-223
13 years$1,896
15 years$4,014
17 years$6,132
19 years$8,251
21 years$10,369
23 years$12,488
25 years$14,606

Top Solar Installers in Stillwater

Installing solar panels by yourself can be a time-consuming task, which is why hiring a solar installer 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.

There are several licensed solar professionals that can help you install your solar system. Here are our suggestions:

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See all of the solar companies in Stillwater

Factors that Affect Solar Panel Costs in Stillwater

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

Solar Equipment

When it comes to estimating the cost of a solar panel system in Stillwater, one of the most crucial factors is the size of the system you need. Solar systems are sized by kilowatts (kW) and are largely based on your home’s energy consumption, which you can determine by looking at past electricity bills. Your total cost can increase by about $3,530 for each additional kilowatt you need.Some solar panel brands — like Maxeon from SunPower — are more costly upfront but also tend to offer better efficiency. In a city like Stillwater, where sunlight is relatively abundant, efficiency can quickly pay off. Plus, if you have a small roof or limited 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

For some homeowners, paying for a solar system out of pocket can be a challenge. Solar loans are provided by most installers in Stillwater, which can lower, or in some cases eliminate, your upfront costs to make 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 off the loan.

Solar Panel Installation Company

Finally, the company you hire to install your solar panel system can affect your pricing. Stillwater’s solar companies all have different labor costs and add varying upcharges to equipment. You may see national solar installers that have lower prices due to their larger brand name and access to bulk pricing, or you might see small, local installation companies offering deals or promotions to compete with those larger companies.

Solar Panel Cost Data by System Size

System sizeCost per system wattSolar system cost25-Year savingsPayback period
6 kW$3.67$15,419$4,78819.1 years
8 kW$3.60$20,163$6,78018.7 years
10 kW$3.53$24,710$8,96918.3 years
12 kW$3.46$29,059$11,35618.0 years
14 kW$3.39$33,210$13,94017.6 years
16 kW$3.32$37,164$16,72217.2 years
18 kW$3.25$40,920$19,70216.9 years
20 kW$3.18$44,478$22,87916.5 years

How to Save on Solar Panels

There are a lot of solar installers to choose from, all of which offer different warranties, solar panel brands and price points. To help you find the right company for you, here are some tips to keep in mind:

  • Installation Process: Make sure you’re aligned with the company with 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.
  • Solar Panel Brands: Different companies have different brands and types of panels. If you know you want a specific brand, make sure the solar panel installer you’re considering has it.
  • Reputation: Companies that have been in business for many years likely have a solid reputation. This is important because it ensures that it will not only see your solar installation through, but will also provide adequate aftercare and customer support, such as part repairs and replacements.
  • Contract: It’s important to read your solar installer’s contract carefully to understand what services they will provide, what the warranty covers and what expectations you should have about the installation process.
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EcoWatch's Stillwater, NJ Solar Cost FAQs

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

This is a difficult question to answer precisely, because the cost depends on a variety of factors. Broadly speaking, it costs about $17,650 for a 5-kW system and $35,300 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 higher-than-average energy usage. On the other hand, you can spend less if you opt for a smaller solar panel system or less efficient solar panels.

Are solar panels free in Stillwater?

A solar panel system isn’t free in Stillwater, but there are some options that can make getting them more affordable, such as leasing solar panels or getting a solar loan. There may also be local programs or incentives that can help lower the cost.

Is it worth going solar in Stillwater?

Solar panels can be a fruitful investment for a majority of homeowners, but they might not be worth it for everyone. If your home doesn't get enough sunlight and/or your energy bills are already fairly low, solar panels might not be for you.

How many solar panels do I need to power my home?

To figure out what solar panel system size you need, you should find out how much energy your home requires 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.