Solar Panel Cost Guide in Issaquah, WA (2025 Update)
- Issaquah Solar Installation Cost: $10,925
- 25-Year Savings: $10,641
- Payback Period: 14.6 Years
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Average Cost of Solar Panels in Issaquah
Find out what the average cost of installing solar panels is in Issaquah.
Currently, the national average cost of solar panels is $2.66 per watt. However, in Issaquah, the typical cost of solar panels is 4 per watt.The average solar panel system size in Issaquah is around 4.3 kilowatts, meaning a cost of about $10,925 for a solar installation, or $15,623 before the 0 federal solar tax credit is applied.
How much you pay can go above or below the average in Issaquah based on several factors, such as the model of solar panels you choose and the solar company you hire.For many homeowners, the upfront investment in solar power is worth paying. On average homeowners in Issaquah see about $17,000 in savings on electricity bills over 20 years.
Click the button below to get connected to a top solar installer in your area for a customized estimate.
Solar savings over time in Issaquah
| Year | Return on Investment |
|---|---|
| 1 years | $-9,649 |
| 3 years | $-7,098 |
| 5 years | $-4,546 |
| 7 years | $-1,994 |
| 9 years | $558 |
| 11 years | $3,110 |
| 13 years | $5,661 |
| 15 years | $8,213 |
| 17 years | $10,765 |
| 19 years | $13,317 |
| 21 years | $15,869 |
| 23 years | $18,421 |
| 25 years | $20,972 |
Top Solar Installers in Issaquah
Putting up solar panels on your own can be a dangerous task, which is why hiring a solar installer is a good option for many homeowners. Because solar panels are exposed to the elements every day, warranties and repairs from your solar company can help you get the most out of your investment in solar panels by reducing potential costs down the line.
You can work with a local solar installer to get a free quote on how much your investment in solar could cost for your home. Here are some nearby:
See all of the solar companies in Issaquah
Factors that Affect Solar Panel Costs in Issaquah
The cost of installing a solar system in Issaquah can vary by more than $10,000 from home to home. Your actual cost is determined by several factors. The biggest one is the size of the system your household needs, and other factors include equipment choices, financing options and the solar installer you choose.
Solar Equipment
When it comes to estimating the cost of a solar system in Issaquah, one of the most important 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 total cost can increase by about $3,590 for each additional kilowatt you need.Some solar brands — like Maxeon from SunPower — are more costly upfront but also tend to offer higher efficiency. In a city like Issaquah, where sunlight isn’t as abundant, efficiency can quickly pay off. Also, if you have a small roof or limited space for your panels, higher efficiency options will be more impactful. Additional equipment like electric vehicle chargers and solar batteries will also increase the cost.
Solar Financing Terms
Solar panels can save you money on utility bills over many years, but they can also be a big investment. That’s why many Issaquah homeowners choose to finance their solar panel systems to make going solar more affordable.It’s wise to add 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 the amount of time it’ll take to pay back the loan.
Solar Panel Installation Company
A final consideration when trying to estimate the cost of solar for your home or business in Issaquah is the company you get to install your PV system. As with choosing a company to renovate your kitchen, for example, you’ll have many options for solar installers that offer a range of services at different costs.The company’s size can sometimes play the most significant role in the cost. Larger national companies, like SunPro and Sunrun, often have lower pricing due to greater resources and better pricing. Smaller local companies might be more costly, but they generally have better customer service and more customization options, and the occasional sale or promotion can bring their pricing lower to compete with bigger companies.
Solar Panel Cost Data by System Size
| System size | Cost per system watt | Solar system cost | 25-Year savings | Payback period |
|---|---|---|---|---|
| 6 kW | $3.73 | $15,681 | $10,183 | 15.2 years |
| 8 kW | $3.66 | $20,506 | $13,979 | 14.9 years |
| 10 kW | $3.59 | $25,130 | $17,977 | 14.6 years |
| 12 kW | $3.52 | $29,553 | $22,175 | 14.3 years |
| 14 kW | $3.45 | $33,775 | $26,575 | 14.0 years |
| 16 kW | $3.37 | $37,796 | $31,176 | 13.7 years |
| 18 kW | $3.30 | $41,615 | $35,977 | 13.4 years |
| 20 kW | $3.23 | $45,234 | $40,980 | 13.1 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 models and price points. To help you pick the right company for you, here are some tips to keep in mind:
- Installation Process: Homeowners should make sure they understand how exactly the installation process will be carried out, as well as important factors like the project completion timeline.
- Solar Panel Brands: Different companies will carry various brands and types of panels. If you prefer a specific brand, make sure the solar installer you’re considering has it.
- Warranty: Warranties that provide coverage for defective panels and repairs over around 25 years are the best you can get in the business, and offering that kind of warranty is one mark of a quality company.
- Reputation: The North American Board of Certified Energy Practitioners (NABCEP) is a well-established certification organization for sustainable energy professionals. If your solar panel installer is NABCEP-certified, it most likely has a good reputation and is qualified to install your solar system. Another way you can research your installer’s reputation is by reading reviews.
EcoWatch's Issaquah, WA Solar Cost FAQs
What is the average cost of installing solar panels in Issaquah?
This is a difficult question to answer precisely, because the cost depends on a variety of factors. Generally speaking, it costs about $17,950 for a 5-kW system and $35,900 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 above-average energy needs. On the other hand, you can spend less if you want a smaller solar panel system or less efficient solar panels.
Is it better to lease or buy solar panels in Issaquah?
Leasing solar panels can be an appealing choice, as it commonly comes with low or $0 upfront payments. The downside is that you won’t be able to save as much. If you lease, you don’t own the system, so you can’t claim any tax rebates and credits and your home value won’t increase. Buying solar panels is a better way to go if you want to get the most savings.
Do solar panels increase the value of your home?
Buying or financing solar panels for your home can increase the value of your property by about 4%, according to research done by Zillow. The average home value in Issaquah is currently $1,050,317, which means you can expect a value of about $43,063 more than houses without a solar system. The exact figures will vary, but most experts agree that installing solar panels in Issaquah is a rewarding investment.
What solar power system size is right for my home?
The exact number of solar panels you need depends on your household energy usage and the amount of 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 account for 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.