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How Much Do Solar Panels Cost in Washington State: 2023 Guide

How Much Do Solar Panels Cost in Washington State

Ever heard of a place where rain and solar panels go hand in hand? Welcome to Washington State, where, as of early 2023, we're harnessing a whopping 604 MW of solar power electricity generation. That's a leap from about 300 MW in 2021 – talk about a sunny revolution in a famously rainy locale!

So, if you're thinking about the cost of solar panels in Washington State, well, you've hit the jackpot for 2023 insights. Here's the deal: solar isn't just about saving the planet anymore; it's about saving your wallet too. But, how much dough are we talking about?

Let's dive in. We're not just looking at numbers on a price tag. We're talking about a blend of technology, incentives, and yes, a bit of Washington's moody weather, all playing their part in the solar saga.


In This Article


Solar Panels Cost in Washington

In Washington State, the solar panel game is changing faster than the weather in Seattle. As of November 2023, the average cost hovers around $3.49 per watt. For a typical 5 kW system, this means your total cost could range from $14,832 to $20,068, landing at an average gross price of about $17,450. But here's the good part: with the 30% federal tax credit and other local incentives, your actual out-of-pocket cost for solar could drop significantly, saving you a hefty chunk of change!

Now, you might be thinking, "What's up with these prices?" It's not just about slapping some panels on your roof. We're talking high-tech gear, top-notch brands, and yes, the ever-changing tides of market demand. Think of it like choosing a car – you've got your economy models and your luxury rides, each with its own price tag.

Average Cost of Solar Panel Installation in Washington by System Size

Your neighbor brags about his new 10 kW system, but you're left wondering, "What size would fit my home?" Well, let's break it down, shall we?

Here's a quick snapshot of average costs in Washington, based on system size:

System size*

Cash purchase

(After tax credit)

Financed purchase

(After tax credit)






















Now, you might ask, "Why such a big price range?" It's simple – the larger the system, the more power it generates, and yes, the more it costs upfront. But here's the twist: a bigger system could mean more savings in the long run. It's like buying in bulk – the more you get, the more you save.

So, how do you pick the right size? Think about your energy needs, your roof's size, and how much sunshine it gets. It's not a one-size-fits-all deal. And remember, getting a personalized quote can clear up any confusion – it's like having a solar tailor just for your home.

What solar panels should I install in Washington D.C.?

When it comes to decking out your Washington D.C. home with solar panels, the options are as diverse as the city's neighborhoods. It's like walking into a tailor-made solar boutique – you've got choices galore, from the panels and inverters to the racking systems and even the batteries. And let's not forget the overall look of the installation!

Here's the lowdown: the crème de la crème of solar panels boast top-notch efficiencies and warranties, but they do come with a heftier price tag. It's a bit like choosing between a luxury sedan and a reliable family car – both get the job done, but in different styles and efficiencies.

Now, think about your home's solar needs. If you've got a smaller roof space, those high-efficiency panels might just be your solar soulmate, squeezing out more electricity per square inch. But, if you've got room to spare, you might opt for a more cost-effective option.

And warranties? They're like a safety net for your solar investment. Depending on how much risk you're willing to take, you can choose a warranty that suits your comfort level.

In the end, selecting the right solar gear for your D.C. residence is about balancing efficiency, cost, and your personal preferences. It's a solar puzzle, and you're the one putting the pieces together!

How much energy can I get from solar in Washington D.C.?

solar panels on a roof

In Washington State, you might think our cloudy days are a solar energy buzzkill, but here's a surprising twist: we average over 200 sunny days a year. That's right, even with our famous gray skies, solar panels here are more than just rooftop decorations!

But, it's not just about counting sunny days. Other factors like shading and the angle of your panels play a crucial role too. So, how much juice can you really squeeze out of the sun in Washington? Let's put it into perspective. Imagine a typical home with a decent-sized solar setup. Even on those not-so-sunny days, your panels are quietly soaking up solar goodness. With the right setup, you could be looking at significant savings on your energy bills. This isn't just guesswork; it's a detailed estimate of your solar installation's potential.

Additional Factors Influencing Solar Installation Costs

Installation Complexity:

  • Roof type and house layout can significantly influence installation costs.

  • A complex roof might increase the installation challenge, similar to tailoring a custom suit.

Maintenance and Upgrades:

  • Solar systems require some ongoing maintenance to ensure peak performance.

  • Factor in potential costs for future upgrades or replacements.

Cost-Benefit Analysis:

  • Initial installation costs can be high, but consider the long-term energy savings.

  • Solar investment is akin to paying upfront for long-term financial and environmental returns.

Impact of Location:

  • Geographic location plays a crucial role in the efficiency and payoff of solar panels.

  • In sunnier areas, solar panels can yield quicker and higher returns.

Solar Incentives and Tax Credits in Washington

Federal Incentives:

For any solar project kicking off in 2023, you're looking at a whopping 30% off the total purchase price. And guess what? This isn't just a tiny discount – it applies to the whole shebang, regardless of your system's size or cost. But here's the kicker – this sweet deal lasts through 2033. After that, it drops to 26%. So, the time to act is now!

State and Local Benefits:

Washington isn't shy about its love for solar. You get a 100% sales tax exemption on solar PV systems up to 100 kilowatts. Imagine buying your dream solar setup and not paying a dime in sales tax. That's more cash in your pocket for, well, anything else!

Navigating the Incentive Maze:

Feeling overwhelmed? I get it. Applying for these incentives can feel like solving a Rubik's Cube blindfolded. But here's a pro tip – don't go at it alone. Reach out for a free quote. We'll help you understand exactly what incentives you qualify for and how to grab them. It's like having a GPS for the solar incentive highway.

Wrapping It Up

We've journeyed through the ins and outs of solar panel costs in Washington, from the nitty-gritty of installation expenses to the sweet deals of tax credits and incentives. Embrace solar energy, and you're not just cutting down on bills; you're also trimming your carbon footprint. It's a win-win for your wallet and Mother Earth.

If you're itching to dive into the solar wave, why not start with a free, no-strings-attached solar quote? Our team is on standby to offer you a personalized consultation, tailoring a solar solution that fits your unique needs.


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

In Washington State, the average cost of solar panel installation is around $3.49 per watt. For a typical 5 kW system, this translates to about $17,450 after incentives.

Is it worth it to go solar in Washington state?

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