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

  • Allendale Solar Installation Cost: $11,529
  • 25-Year Savings: $8,958
  • Payback Period: 16.0 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 Allendale

Find out what the average cost of a solar system is in Allendale.

The average cost of solar panels in Allendale is 4 per watt.The average solar panel system size in Allendale is around 4.7 kilowatts, meaning a cost of about $11,529 for a solar installation, or $16,486 before the 0 federal solar tax credit is applied.

These figures are just averages, and your own solar costs may differ based on factors unique to your home and what company you want to go with.With typical savings of about $15,000 on energy bills over 20 years, many homeowners in Allendale find installing solar panels has a decent ROI.

You can click the button below to get connected with a pre-vetted solar installer in Allendale that can help you get a more accurate cost estimate for your home.

Solar savings over time in Allendale

YearReturn on Investment
1 years$-10,106
3 years$-7,262
5 years$-4,417
7 years$-1,572
9 years$1,273
11 years$4,117
13 years$6,962
15 years$9,807
17 years$12,652
19 years$15,496
21 years$18,341
23 years$21,186
25 years$24,031

Top Solar Installers in Allendale

Many homeowners opt for a solar panel installer since installing solar panels by yourself can be a lot of work. Also, if you’d like to maximize your investment in solar, opting for a solar installer can help with that as well. Different providers can offer warranties, expertise on installation and sometimes even information on local incentives and net metering programs.

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

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See all of the solar companies in Allendale

Factors that Affect Solar Panel Costs in Allendale

Cost is usually one of the most important factors for homeowners who are considering investing in solar. There are a few major factors that affect your total cost in Allendale: solar equipment and system size, financing options and the solar installation company you choose. We’ll go over each of these briefly below.

Solar Equipment

The cost of solar panels varies by thousands of dollars due to some different factors. One of the notable factors is the system size, which is measured in kilowatts (kW). Solar power systems that have higher efficiency or power production use better technology and/or more equipment, both of which can raise costs. For each additional kilowatt you need, your cost can go up by about $3,530.The brand and type of equipment you want for your solar system can increase or decrease the price quite significantly. If you prefer a 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 a small roof or just want maximum energy production, you can expect a higher equipment cost, but this can typically lead to greater savings over time. Also, if you want add-ons like an electric vehicle charger or solar batteries, this will also increase the cost.

Solar Financing Terms

Many homeowners find the average cost of solar in Allendale to be too steep, even if the investment pays off over time. Fortunately, nearly every solar installer in the area provides financing options. Solar loans drastically decrease upfront costs in most cases, but they also result in a higher cost over time due to interest.Though solar loans make switching to solar energy more accessible for Allendale homeowners, they can also add to the total you pay for your system, depending on your interest rate and how long you take to pay off the loan. If you make a larger down payment, though, you can cut back on how much interest you have to pay.

Solar Panel Installation Company

The solar company you opt for to handle your switch to sustainable energy can play a role in your total costs. There are about 3 solar panel companies in Allendale, and each can charge varying amounts for labor and equipment.Some companies only sell high-efficiency and high-priced products — like Maxeon solar panels from SunPower or Tesla Powerwall batteries — so choosing those installers will generally cost more. It’s best to do some research and find a company that provides the products, warranties and services you want and also fits within your budget.

Solar Panel Cost Data by System Size

System sizeCost per system wattSolar system cost25-Year savingsPayback period
6 kW$3.67$15,419$7,73516.6 years
8 kW$3.60$20,163$10,70916.3 years
10 kW$3.53$24,710$13,88016.0 years
12 kW$3.46$29,059$17,25015.7 years
14 kW$3.39$33,210$20,81615.4 years
16 kW$3.32$37,164$24,58115.0 years
18 kW$3.25$40,920$28,54314.7 years
20 kW$3.18$44,478$32,70314.4 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 decide on the right company for you, here are some tips to keep in mind:

  • Solar Panel Brands: Each solar panel brand and model has varying levels of quality, durability and efficiency. They will come at different price points as well. The company you choose impacts which solar panel brands you have access to.
  • Installation Process: Homeowners should understand how exactly the installation process will go, as well as important factors like the completion timeline.
  • Warranty: A quality company stands out from other companies by offering the gold standard warranty — a 25-year, all-inclusive warranty covering parts, labor and performance.
  • Contract: Before you sign a contract with a solar installer, make sure to read it through completely so you understand the terms. Also, ask questions if you aren’t sure about some of the terms, such as what the warranty covers and what services you can expect from them.
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EcoWatch's Allendale, NJ Solar Cost FAQs

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

This is a difficult question to answer precisely, because the cost depends on many 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 be more expensive if you want extra solar equipment or more efficient panels, or if you have higher-than-average energy needs. On the flip side, you can spend less if you choose a smaller solar panel system or cheaper solar panels.

Are solar panels free in Allendale?

A solar panel system isn’t free in Allendale, but there are some options that can make getting them more feasible, such as leasing solar panels or getting a solar loan. There may also be local programs or incentives that you can take advantage of.

How will having solar panels impact my property value?

Solar panels can increase the value of your home significantly 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% with a solar installation."

How often do you have to replace solar panels?

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 level 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.