Solar Panel Cost Guide in Washington, IN (Nov 2022)

  • Washington Solar Installation Cost: $16,209
  • 25-Year Savings: $22,623
  • Payback Period: 10.4 Years

See cost of a solar system near you:

EcoWatch Local Advisors

By EcoWatch Local Advisors

Updated 11/09/2022

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Average Cost of Solar Panels in Washington

We break down average solar pricing in Washington.

The average cost of a solar system in Washington is $3 per watt. The average Washington homeowner needs a 8.6-kilowatt system, which would cost about $16,209, or $11,995 after the federal solar tax credit of 30% is applied.

Keep in mind that the numbers above are only averages. The price you'll end up paying for solar will differ based on your household energy use, the type of equipment you want, your solar contractor and more. Despite the large upfront cost, the average Washington homeowner can save about $17,000 on their power bills over 20 years, which is one of the advantages of solar.

To receive a free quote from a vetted solar company in Washington, you can click the button below.

Solar savings over time in Washington

Year Return on Investment
1 years $-14,655
3 years $-11,549
5 years $-8,442
7 years $-5,336
9 years $-2,229
11 years $877
13 years $3,984
15 years $7,091
17 years $10,197
19 years $13,304
21 years $16,410
23 years $19,517
25 years $22,623

Top Solar Installers in Washington

Many homeowners opt for a solar installation company since figuring out how to install solar panels yourself can be challenging. Plus, if you're not certain what brand of solar panels and equipment you need, a solar expert can help you find the right equipment for you after a site survey and consultation.

If you'd like to make the switch to solar but still aren't sure which solar system company to go with, here are our suggestions for providers in Washington:

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 Solar Financing

Blue Raven Solar

★★★★★
4.5

  • Industry-leading in-house financing
  • Competitive pricing
  • Excellent reputation
  • Doesn't offer solar batteries (coming 2022)

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 Washington

Factors that Affect Solar Panel Costs in Washington

Cost is usually one of the most important factors for homeowners considering investing in solar. There are a few key factors that determine your overall cost in Washington: solar equipment and system size, financing options and the solar installation company you choose. We'll discuss each of these briefly below.

Solar Equipment

Size is one of the largest factors that affects the overall cost of going solar. Because of that, it's a priority to accurately assess the size of the solar energy system needed for your home by figuring out your energy needs. There are a lot of different solar panel brands and the one you pick also changes the cost. In many cases, the brands that have better efficiency tend to also be more expensive. Additionally, the type of equipment you want to install 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

For some homeowners, paying for solar panels out of pocket can be financially overwhelming. Solar loans are offered by most installers in Washington, which can reduce, or in some cases eliminate, your upfront costs to make solar more affordable. It's wise to factor 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 how long it'll take to pay back the loan.

Solar Panel Installation Company

The remaining major cost factor you should consider is the installer you choose. Given the booming popularity of sustainable energy solutions in Washington, you'll have many options to choose from, but each comes at various price points for labor and equipment. Larger national companies generally have lower costs, but some local companies keep up with them by promoting sales and discounts. While the smaller companies might not have specific equipment options like Tesla Powerwall batteries or additional services like electric car charger installation, they might be cheaper overall.

Solar Panel Cost Data by System Size

System size Cost per system watt Solar system cost 25-Year savings Payback period
6 kW $2.79 $11,706 $15,271 10.8 years
8 kW $2.73 $15,308 $20,662 10.6 years
10 kW $2.68 $18,760 $26,203 10.4 years
12 kW $2.63 $22,062 $31,893 10.2 years
14 kW $2.57 $25,213 $37,734 10.0 years
16 kW $2.52 $28,215 $43,725 9.8 years
18 kW $2.47 $31,067 $49,866 9.6 years
20 kW $2.41 $33,768 $56,157 9.4 years

How to Save on Solar Panels

There are many 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:

  • Contract: It's important to read through your solar installer's contract carefully to understand what services they will provide, what the warranty covers and what you can expect about your solar system's energy production.
  • Reputation: Solar companies that have great reviews from their customers and that have been in business for many years likely provide good-quality solar panel installation and expertise.
  • 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.
  • Installation Process: Homeowners should understand how exactly the installation process will go, as well as important factors like the project completion timeline.

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 Solar Financing

Blue Raven Solar

★★★★★
4.5

  • Industry-leading in-house financing
  • Competitive pricing
  • Excellent reputation
  • Doesn't offer solar batteries (coming 2022)

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 Washington, IN Solar Cost FAQs

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

The average cost of solar panels in Washington is about $13,400 for a 5-kW system and $26,800 for a 10-kW system before the ITC, but the actual cost will depend on stuff such as the kind of solar panels you want, what size system you need and how much energy you consume.

What other factors should I consider aside from cost when buying solar panels?

Cost is definitely one of the most important factors you should consider when buying solar panels, but other important factors include efficiency, durability, and quality.

Can solar panels completely eradicate my power bills?

It is possible to erase your electricity bills with solar panels, but for most homeowners throughout Washington, that will require at least a 10-kW system. Not all homes will have the roof space for that size system, so you'll want to check with a local solar installer to see how many panels can fit on your roof.

How many solar panels should I get to power my home?

The exact number of solar panels you need depends on your household energy consumption and how much sunlight your roof gets. You can look at your energy bills for the past year to get an idea of the solar system size you'll need. The average household has to get between 20 and 35 panels to cover their typical energy usage.

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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