Solar Panel Cost Guide in Stony Brook, NY (Jan 2023)

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

See cost of a solar system near you:

By EcoWatch Local Advisors

Data Analysis: James Savino

Ranking Methodology: Karsten Neumeister

Updated January 20, 2023

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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 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 only averages, and your own solar costs will most likely look different based on your energy needs and what company you want to go with. Even with the high upfront cost, the average Stony Brook homeowner can save around $22,000 on their power bills over 20 years, which is one of the positives of solar.

You can click the button below to get connected with a top solar installer in Stony Brook that can help you get a more accurate cost estimate for your home.

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 by yourself can be a difficult project, which is why using a solar installer is a good option for many homeowners. Plus, warranties and repairs from your solar panel company can protect your investment and reduce the cost of maintenance over the lifespan of your panels.

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:

  • Installation Process: Get detailed information from your solar company about the installation process and what to expect, such as when the site survey will be done and how long it will take.
  • Solar Panel Brands: Homeowners will have different preferences for panels depending on their locations and energy needs. Even though there are many options for which brand of solar panel you can get, not every company will have access to the exact one you may want or need, so be sure to peruse their list of options before deciding.
  • Reputation: Make sure your solar panel 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 EcoWatch.
  • Contract: When reading over your solar company's contract, ask questions about any terms you're not sure of and make sure you understand what happens in scenarios like a system component breaking or if the company goes out of business.

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 tough question to answer precisely, because the cost depends on many 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 needs. On the flip side, you can spend less if you go with a smaller solar panel system or less expensive solar panels.

Are solar panels free in Stony Brook?

A solar panel system isn't free in Stony Brook, but there are some options that can make getting them more viable, such as leasing solar panels or getting a solar loan. There may also be local programs or incentives that can further reduce the cost.

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

Solar panels can potentially eliminate your electricity bills depending on where you're located and the efficiency of your system. Even if it doesn't get rid of them completely, you can save a lot of money on your bills, about $1,151.18 per year.

How long do solar panels last in Stony Brook?

On average, the lifespan of solar panels is about 25 to 30 years. Some even last up to 50 years, but their efficiency decreases by about 0.8% each year. You can choose to replace them sooner if you want to maintain a higher amount of energy production.

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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