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Reviewed by CostOf.homes Editorial Team Last Updated: March 2026 Sources: Bureau of Labor Statistics, HomeAdvisor, Angi

How Much Does Solar Panel Installation Cost in Spokane, WA?

2026 pricing data for Spokane, Washington homeowners

Low End
$11,500
per project
Average Cost
$19,000
per project
High End
$33,500
per project
Materials
$6,661
Labor
$6,015
Permits
$455
Disposal
$1,289
Design
$981
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Solar Panel Installation Cost Overview in Spokane

When considering solar panel installation in Spokane, Washington, it’s important to understand that the average cost is around $19,000 per project with a range of $11,500 to $33,500. This price can vary significantly based on several factors specific to the local market and your particular project scope.

Factors such as the size of your roof, the complexity of your installation, and seasonal fluctuations in labor rates all play a role in determining the total cost. In Spokane, you might find that the climate and regional regulations can also influence these costs, making it essential to work with a local installer who understands the specific needs and conditions.

Data Sources: Cost estimates are based on data from the Bureau of Labor Statistics, HomeAdvisor, Angi, and local contractor surveys in the Spokane metropolitan area. Prices are adjusted using the local cost of living index (0.96) as of March 2026.

Solar Panel Installation Cost Breakdown in Spokane, WA

Here is a detailed look at typical solar panel installation pricing in the Spokane, WA area across three quality tiers:

Basic
$12,350
$9,880 - $14,820
  • Standard materials
  • Basic finishes
  • Smaller scope
  • Budget-friendly
Premium
$29,450
$26,505 - $38,285
  • High-end materials
  • Custom work
  • Premium finishes
  • Full scope
Cost LevelPrice RangeDescription
Budget / Low$11,500Basic materials and standard finishes; smaller scope projects
Average / Mid$19,000Mid-grade materials with professional installation; most common choice
Premium / High$33,500High-end materials, custom work, and premium finishes

* Prices are estimates for the Spokane, WA area as of March 2026. Actual costs may vary based on project specifics.

About the Spokane Home Improvement Market

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Factors That Affect Solar Panel Installation Cost in Spokane

The cost of solar panel installation in Spokane can be influenced by several key factors:

  • Materials: The quality and type of materials used for your system, such as panels, inverters, and mounting hardware, all contribute to the overall expense. Higher-quality components generally increase the upfront cost but may offer better long-term performance.
  • Labor Costs: The labor rate in Spokane can vary based on the season and local market demands. Typically, solar installations are more expensive during peak periods like spring and summer when demand is high.
  • Size of Your System: Larger systems often have a lower cost per watt than smaller ones due to economies of scale. However, the total installation cost will increase with the size of your system as you need more equipment and materials.
  • Complexity and Permitting: Homes with unique architectural features or challenging installations may require additional labor for specialized work, which can drive up costs. Additionally, permit fees are a fixed cost that must be paid to the city, adding to your overall expense.

Tips to Save Money on Solar Panel Installation in Spokane

Pro Tip

Always get at least 3 quotes from licensed contractors in Spokane before starting your project. Comparing bids can save you 10–30% on solar panel installation costs.

To save money on solar panel installation in Spokane, consider these tips:

  • Compare Quotes: Get multiple bids from reputable local installers. This competition can help you negotiate better prices and ensure you’re getting the best deal possible.
  • Take Advantage of Incentives: Washington state offers several incentives for solar installations, including tax credits and rebates that can significantly reduce your upfront costs. Be sure to research these thoroughly before making a decision.
  • Choose Quality Over Cheap: While it might be tempting to choose the cheapest option, investing in high-quality materials and experienced installers can save you money in the long run by reducing maintenance needs and maximizing energy efficiency.

Solar Panel Installation Cost Calculator for Spokane

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* This is a rough estimate for solar panel installation in Spokane, WA. Get free quotes from local contractors for accurate pricing.

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Frequently Asked Questions About Solar Panel Installation in Spokane

The average cost of solar panel installation in Spokane is around $19,000 with a range from $11,500 to $33,500 per project. This can vary based on the size and complexity of your system.
Spokane offers several incentives including state tax credits and local rebates that can help reduce the cost of your installation. It's a good idea to check with the Spokane Public Utilities Board (SPUB) or consult with an installer who specializes in local incentives.
While solar installations are possible year-round, prices might be slightly lower during off-peak seasons like fall and early winter. However, the benefits of solar energy can be realized throughout the year regardless of season.
Yes, many installers offer financing options that can make your investment more manageable. This allows you to pay off your system over time with monthly payments that may even be tax-deductible.
The size of your roof isn't as critical as its orientation and angle towards the sun. Many installers can work within various roof sizes and configurations to maximize efficiency, so it’s not necessary to have a very large roof space.
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