Solar Panel Cost Guide in Ronkonkoma, NY (2025 Update)

  • Ronkonkoma Solar Installation Cost: $9,930
  • 25-Year Savings: $28,204
  • Payback Period: 11.1 Years

See cost of a solar system near you:

By EcoWatch Local Advisors

Data Analysis: James Savino

Updated January 24, 2025

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Average Cost of Solar Panels in Ronkonkoma

Find out what the average cost of solar panels are in Ronkonkoma.

The average cost of solar panels in Ronkonkoma is 4 per watt.To cover the typical energy needs of the average home in Ronkonkoma, most homeowners require a 3.9-kilowatt system. Using the figure above, a solar installation costs about $9,930, or $14,200 before the federal solar tax credit of 0 is applied.

The true cost of your system can be above or below the average in Ronkonkoma based on a variety of factors, such as the type of solar panels you choose and the solar company you hire.For most homeowners, the upfront investment in solar is worth paying. On average Ronkonkoma homeowners see about $22,000 in savings on energy bills over 20 years.

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

Solar savings over time in Ronkonkoma

YearReturn on Investment
1 years$-8,405
3 years$-5,354
5 years$-2,303
7 years$747
9 years$3,798
11 years$6,849
13 years$9,899
15 years$12,950
17 years$16,001
19 years$19,051
21 years$22,102
23 years$25,153
25 years$28,204

Top Solar Installers in Ronkonkoma

When switching to solar energy, many homeowners prefer to use a solar company since handling can be a challenging project. Another great thing about using a reliable solar installer is that it'll usually provide warranties and free repairs, which help protect your solar system over time.

If you're searching for a solar installer in Ronkonkoma, the EcoWatch team has compiled a list of our top suggestions here:

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See all of the solar companies in Ronkonkoma

Factors that Affect Solar Panel Costs in Ronkonkoma

For many Ronkonkoma homeowners, the decision to adopt solar energy rests on cost. However, the range of solar installation costs can be quite wide in Ronkonkoma, with typical prices between $20,000 to $40,000. There are several 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 panel system in Ronkonkoma, one of the most important factors is the size of the system you need. Solar systems are sized by kilowatts (kW) and are mainly based on your home’s energy consumption, which you can figure out by looking at past energy bills. Your total cost can increase by around $3,650 for each additional kilowatt you need.There are a lot of different solar panel brands and the one you choose also changes the cost. Typically, the brands that offer higher efficiency tend to also be more expensive. Additionally, the type of equipment you choose can affect your total cost. If you only need panels, your system will be much less expensive than if you also need solar batteries or an electric vehicle charger.

Solar Financing Terms

Solar panels can save you money on utility bills over time, but they can also be a big investment. That’s why many Ronkonkoma homeowners choose to finance their solar panel systems to make going solar more affordable.However, the interest on solar loans also adds to your total costs, so it’s important to include that in your estimate as well. You can always bring down the total you pay in interest and possibly even your APR by putting more money down.

Solar Panel Installation Company

Lastly, the company you choose to install your solar panel system can impact how much it costs. Ronkonkoma’s solar companies all have different labor costs and add varying upcharges to equipment. Additionally, some companies in Ronkonkoma are more knowledgeable about local solar incentives and can help you make good use of additional rebates or tax exemptions. Though, they may charge more for that service. Even if they cost more upfront, they could help you save more money in the long run.

Solar Panel Cost Data by System Size

System sizeCost per system wattSolar system cost25-Year savingsPayback period
6 kW$3.80$15,943$18,59211.5 years
8 kW$3.72$20,849$25,19811.3 years
10 kW$3.65$25,550$32,00911.1 years
12 kW$3.58$30,047$39,02410.9 years
14 kW$3.50$34,339$46,24310.7 years
16 kW$3.43$38,427$53,66710.4 years
18 kW$3.36$42,311$61,29510.2 years
20 kW$3.29$45,990$69,12810.0 years

How to Save on Solar Panels

The solar panel company you choose will impact not only your total costs, but also the kinds of solar panel brands, warranties, and other equipment you can get. When choosing a solar company, there are several important things you should take into account, such as:

  • Reputation: Your solar installer should have a sound reputation as a company and have demonstrated expertise in the field. Two ways to check this are to look for whether a company has technicians that hold a certification from the North American Board of Certified Energy Practitioners (NABCEP) and if it has satisfied reviews from previous customers.
  • Warranty: An all-inclusive, 25-year warranty can help keep your solar panels running for a long time and save you money on repairs and maintenance.
  • Contract: Before signing a contract with a solar installer, make sure you look it over fully so you understand the terms. Also, ask questions if you’re unsure about some of the terms, such as what to do if a part breaks or malfunctions and if there are any guarantees about energy production.
  • Solar Panel Brands: Each solar panel brand and type offers varying levels of quality, durability and efficiency. They will come at different costs as well. The company you choose impacts which solar panel brands you have access to.
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EcoWatch's Ronkonkoma, NY Solar Cost FAQs

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

This is a hard question to answer precisely, because the cost depends on a variety of factors. Generally speaking, it costs about $18,250 for a 5-kW system and $36,500 for a 10-kW system after the ITC is applied. It will be more expensive if you want additional solar equipment or more efficient panels, or if you have higher-than-average energy consumption. On the other hand, you can spend less if you go with a smaller solar panel system or cheaper solar panels.

Should I lease or buy solar panels in Ronkonkoma?

Leasing solar panels can be an option if you are unable to pay upfront or secure a solar loan, but since you don’t own the system, you can’t take advantage of many solar incentives. Also your property value won’t increase, so you’ll have less savings over time. If you can afford to buy a solar system upfront, then buying is the better option if you want the most savings from going solar.

How will having solar panels impact how much my home is worth?

Solar panels can increase your home value remarkably as long as you buy or finance your panels and don’t go for a solar lease or power purchase agreement (PPA). According to research done by Zillow, the average home value increases by about 4.1% after installing solar panels."

How often do you have to replace solar panels?

Though 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 how much energy they produce will have decreased significantly after that point. You can choose to replace them after having them for that long or you can continue to use 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.