
Solar Energy Tax Incentives
Investing in solar panels not only benefits the environment but also offers various tax incentives for residential homes in Washington State:
Washington State Incentives:
- Sales Tax Exemption: Washington State offers a complete sales tax exemption on the purchase of solar panels for residential use, reducing the overall installation costs significantly.
- Property Tax Exemption: Homeowners installing solar panels can enjoy a 100% property tax exemption on the added home value resulting from the system installation, providing long-term financial relief.
- Production Incentive Program: The Production Incentive Program (Renewable Energy System Cost Recovery) ensures that homeowners receive payments based on the electricity their solar panels generate over a specified period, further incentivizing solar energy production.
Federal Incentives:
- Solar Investment Tax Credit (ITC): The federal Solar ITC allows homeowners to claim a tax credit of up to 26% of the total cost of installing solar panels, covering expenses related to both equipment and installation.
- Residential Renewable Energy Tax Credit: Homeowners can claim a credit for 26% of qualified expenditures for solar panels installed on their primary residence. This credit decreases to 22% in the following year and is expected to continue decreasing in subsequent years.

Biomass Energy Tax Incentives
Biomass energy systems offer a sustainable heating alternative for residential homes in Washington State. Explore the tax incentives for biomass systems:
Washington State Incentives:
- Sales Tax Exemption: Washington State provides a sales tax exemption for the purchase of biomass energy systems used for residential heating, ensuring a more affordable transition to sustainable heating solutions.
- Property Tax Exemption: Homeowners investing in biomass energy systems may qualify for a property tax exemption on the added home value resulting from the system installation, mitigating the financial impact of adopting biomass energy.
- Production Incentive Program: Washington State's Production Incentive Program supports biomass energy production by offering financial incentives based on the energy produced by residential systems, promoting the use of renewable energy.
Federal Incentives:
- Residential Energy Efficient Property Credit: The federal Residential Energy Efficient Property Credit provides a tax credit of up to 26% for the installation of biomass stoves used for heating residences, making biomass heating more financially attractive for homeowners.
- Renewable Energy Production Tax Credit (PTC): Although not specific to residential use, the federal PTC includes biomass as a qualifying energy source, indirectly contributing to the growth of biomass energy and supporting businesses and utilities utilizing biomass for electricity generation.

Heat Pump Tax Incentives
Heat pumps offer energy-efficient heating and cooling solutions. Explore the tax incentives for heat pump systems in Washington State:
Washington State Incentives:
- Sales Tax Exemption: Washington State provides a sales tax exemption for the purchase of energy-efficient heat pump systems, reducing the overall cost of installation.
- Property Tax Exemption: Homeowners installing heat pump systems may qualify for a property tax exemption on the added home value resulting from the system installation, promoting the adoption of energy-efficient solutions.
- Utility Rebates: Various utility companies in Washington State offer rebates and incentives for installing energy-efficient heat pumps, making them a cost-effective choice for homeowners.
Federal Incentives:
- Residential Renewable Energy Tax Credit: Homeowners can claim a tax credit for a percentage of qualified expenditures for installing energy-efficient heat pump systems, contributing to the reduction of both heating and cooling costs.
- Energy Efficiency Tax Credits: The federal government offers additional tax credits for energy-efficient home improvements, including heat pump installations, as part of its commitment to promoting sustainable practices.