Solar Panel Cost Guide in Stony Brook, NY (Oct 2022)

  • Stony Brook Solar Installation Cost: $8,033
  • 25-Year Savings: $14,338
  • Payback Period: 9.0 Years

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EcoWatch Local Advisors

By EcoWatch Local Advisors

Updated 9/16/2022

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Average Cost of Solar Panels in Stony Brook

Find out what the average cost of installing solar panels is in Stony Brook.

Although the national average of solar panels is $2.66 per watt, solar panels in Stony Brook generally cost about $3. The average solar panel system size in Stony Brook is around 3.9 kilowatts, meaning a cost of about $8,033 for a solar installation, or $5,944 after the 30% federal solar tax credit is applied.

These figures are just estimates, and how much solar costs for you may differ based on your energy needs and what company you want to go with. With average savings of about $22,000 on energy bills over 20 years, many homeowners in Stony Brook find investing in solar can be quite rewarding.

Click the button below to get connected to a reputable solar company in your area for a personalized quote.

Solar savings over time in Stony Brook

Year Return on Investment
1 years $-7,138
3 years $-5,348
5 years $-3,559
7 years $-1,769
9 years $21
11 years $1,810
13 years $3,600
15 years $5,390
17 years $7,179
19 years $8,969
21 years $10,759
23 years $12,548
25 years $14,338

Top Solar Installers in Stony Brook

Putting up solar panels on your own can be a challenging project, which is why getting a solar installer is a good option for many homeowners. Another good thing about going with a reliable solar installer is that it'll likely provide warranties and free repairs, which help protect your solar system over time.

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

Best National Provider

SunPower

★★★★★
5.0

  • Most efficient panels on the market
  • National coverage
  • Cradle to Cradle sustainability certification
  • Great warranty coverage
  • Expensive
  • Customer service varies by local dealer

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 Technology

Tesla Energy

★★★★★
4.5

  • Price-match guarantee
  • Sleek, efficient, and durable solar panels
  • Best solar battery on the market
  • Some reported issues with customer service
  • Customer service varies by local dealer

See all of the solar companies in Stony Brook

Factors that Affect Solar Panel Costs in Stony Brook

For many Stony Brook homeowners, the decision to adopt solar energy depends on cost. However, the range of solar installation costs can be quite wide in Stony Brook, with typical prices between $20,000 to $40,000. There are a number of factors that considerably 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 Stony Brook, one of the most crucial factors is the size of the system you need. Solar systems are sized by kilowatts (kW) and are primarily based on your home's energy consumption, which you can determine by looking at past energy bills. Your overall cost can increase by around $2,950 for each additional kilowatt you need. The brand and kind of equipment you get for your solar system can raise or lower the price quite significantly. If you prefer a trusted brand name like Tesla or SunPower, these often have a higher price tag than other brands. Efficiency also matters. Whether you're opting for high efficiency because you have limited roof space or just want maximum energy production, you will be looking at a higher equipment cost, but this can typically lead to more savings over time. Plus, if you want add-ons like an electric vehicle charger or solar batteries, this will also increase the cost.

Solar Financing Terms

Most solar installers in Stony Brook offer solar loans, which reduce your upfront costs of installing a solar system. You'll have to consider the long-term cost of financing options, including the amount of interest you'll pay over the length of the loan. If you can only get a high-interest loan, then your total can be hundreds or even thousands of dollars more than the original cost. Making a larger down payment or getting a solar loan with a low APR could reduce your costs remarkably.

Solar Panel Installation Company

The remaining major cost factor you should consider is the installer you choose. Given the booming popularity of clean energy solutions in Stony Brook, you'll have a great number of options to choose from, but each comes at different price points for labor and equipment. The company's size sometimes plays the most considerable role in the cost. Larger national companies, like SunPro and Sunrun, often have lower prices because of access to more resources and better pricing. Smaller local companies might be more costly, but they can sometimes have better customer service and more customization options, and the occasional sale or promotion can bring their pricing lower to compete with bigger names.

Solar Panel Cost Data by System Size

System size Cost per system watt Solar system cost 25-Year savings Payback period
6 kW $3.07 $12,886 $21,650 9.3 years
8 kW $3.01 $16,850 $29,197 9.1 years
10 kW $2.95 $20,650 $36,909 9.0 years
12 kW $2.89 $24,284 $44,786 8.8 years
14 kW $2.83 $27,754 $52,829 8.6 years
16 kW $2.77 $31,058 $61,037 8.4 years
18 kW $2.71 $34,196 $69,410 8.3 years
20 kW $2.66 $37,170 $77,948 8.1 years

How to Save on Solar Panels

The solar installer you choose will be a major factor in determining not only your overall costs, but also the kinds of solar panel brands, warranties, and other equipment you have access to. When choosing a solar company, there are some important things you should keep in mind, including:

  • Solar Panel Brands: Different companies carry different brands and types of panels. If you want a specific brand, make sure the solar panel company you're considering has it.
  • Installation Process: Homeowners should make sure they understand how exactly the installation process will go, as well as important factors like the project timeline.
  • Contract: Before you sign a contract with a solar company, be sure to look it over fully so you understand the terms. Also, ask questions if you're not sure about some of the terms, such as what the warranty covers and if there are any guarantees about energy production.
  • Reputation: The North American Board of Certified Energy Practitioners (NABCEP) is a respected certification organization for renewable energy professionals. If your solar panel installer is NABCEP-certified, it likely has a good reputation and is qualified to install your solar system. Another way you can look into your installer's reputation is by reading reviews.

Best National Provider

SunPower

★★★★★
5.0

  • Most efficient panels on the market
  • National coverage
  • Cradle to Cradle sustainability certification
  • Great warranty coverage
  • Expensive
  • Customer service varies by local dealer

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 Technology

Tesla Energy

★★★★★
4.5

  • Price-match guarantee
  • Sleek, efficient, and durable solar panels
  • Best solar battery on the market
  • Some reported issues with customer service
  • Customer service varies by local dealer

EcoWatch's Stony Brook, NY Solar Cost FAQs

How much does it cost to install solar panels in Stony Brook?

This is a hard question to answer exactly, because the cost depends on a few different factors. Broadly speaking, it costs about $14,750 for a 5-kW system and $29,500 for a 10-kW system after the ITC is applied. It will be more expensive if you want other solar equipment or higher quality panels, or if you have above-average energy consumption. On the flip side, you can spend less if you opt for a smaller solar panel system or less efficient solar panels.

Are solar panels free in Stony Brook?

You can't get solar panels for free in Stony Brook. However, you may still be able to afford them on a lower budget. You can lease solar panels for a low upfront cost or, if you want to own your solar panels, you can finance them with a solar loan.

How much can I save on power bills after switching to solar?

It is possible to eradicate your electricity bills with solar panels, but for most homeowners in Stony Brook, that will require at least a 10-kW system. Not all homes will have roofs that can accommodate that size system, so you'll want to contact a local solar installer to see how many panels can fit on your roof.

How long do solar panels last in Stony Brook?

Although the average lifespan of solar panels is 25 to 30 years, that doesn't mean they should be disposed of at that time. What this means is the amount of energy they produce will have decreased significantly after that point. You can replace them once you've had them for that long or you can keep using them at a lower efficiency.

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.

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