Go solar – Residential
Incentives & Financing
Thinking about going solar in Washington? Here’s everything you need to know about tax credits, net metering, and financing options. As your trusted local installer since 2004, Ecotech Solar is here to help you get the most value from your solar investment.
Federal & State Solar Incentives
Federal Solar Investment Tax Credit (ITC)
In 2025, homeowners and businesses can claim a 30% federal tax credit on the total cost of their solar installation. This includes equipment, labor, and permitting.
- ^Applies to both residential and commercial projects
- ^Commercial projects can be eligible for additional bonus adders of 10-50% such as being located in an Energy Community (Whatcom & Skagit counties qualify for 2025!)
- ^Available to non-profits, municipalities, and tribes through Direct Pay, allowing entities without tax liability to capture the tax credit
- ^Unused tax credit can roll over to the next tax year
Washington State Sales Tax Exemption
Solar equipment and installation labor are 100% exempt from sales tax in Washington for systems under 100 kW AC.
- ^Valid through 2029
- ^Applies to residential and commercial systems
Net Metering & Utility Incentives
Net Metering in Washington
Puget Sound Energy (PSE) and other utilities allow you to earn credit for excess electricity your solar system sends to the grid. PSE currently offers the following incentives through 2025. Learn more about the future of net metering.
- ^1:1 full-retail value for every kWh sent back to the grid
- ^Credits roll over monthly, allowing you to build up credits during the sunny summer months to offset high electricity usage over the winter
- ^Annual reset in April (unused credits are forfeited)
Solar and Battery Incentives through Puget Sound Energy (PSE)
- ^PSE Flex Batteries Program: $1,000 per qualified battery, plus up to $500 per battery each year
- ^PSE Flex Batteries Enhanced Incentives: Up to $10,000 available for customers experiencing reliability issues and customers experiencing disproportionate and compounding risk due to limited income, lack of access to food and health care, linguistic and social isolation, disability, etc.
- ^PSE Flex EV: Get rewarded for adjusting your electric vehicle charging on days when demand for energy is forecasted to peak
Solar Financing Options & ROI Comparison
Explore several ways to finance your solar project and understand the return on investment.
Cash Purchase
- ^Highest long-term ROI
- ^Immediate ownership and tax credit benefits
- ^Best for homeowners planning to stay long-term
Solar Loans
- ^$0-down options available
- ^Monthly payments often lower than current utility bills
- ^Tax credits reduce your effective cost
Loan Programs We Work With:
