Washington state project labor agreements

Sales and use tax refunds and deferrals are available for certain clean energy projects, when certified by the Department of Labor & Industries (L&I). The state created this program as a way to address the impacts of climate change on a large scale.

NOTE: If you are a homeowner adding solar panels to your residence, you do not need to read further. Please go to the state Department of Revenue (DOR) website for additional information.

To receive a refund, a project developer must comply with specific labor standards. The machinery and equipment generating the electricity must be installed and the project completed by Dec. 31, 2029.

The amount of the refund depends on the generating capacity of the project.
Projects that can receive the refund must be of the following types:

The labor standards L&I reviews to certify a project can be included in a Project Labor Agreement (PLA) or Community Workforce Agreement (CWA) as part of the project. A project without a PLA or CWA must still fulfill the specific labor standards.

You must submit an application prior to the start of the project to L&I to receive a certification for your project. Take the certification to DOR to receive a refund for the purchase of the energy generating machinery and equipment.

Refunds - Large Energy Generation Project

IF you are constructing a facility generating more than 1,000 watts AC (1 KW) (Example: Enough energy to power at least 10-15 incandescent light bulbs or a household dishwasher) of electricity from any of these power sources,

Constructing a solar energy system capable of generating more than 500 kilowatts AC (example: Enough energy to power more than a dozen homes) of electricity,

You can receive up to a 100% refund of the sales tax spent on the energy-producing equipment.

100% Tax Refund

To receive a 100% tax refund, you must submit an Application for Clean Energy Labor Standards Certification prior to the start of the project with the following:

A PLA or CWA is defined as a collective bargaining agreement with one or more labor organizations that establishes the terms and conditions of employment on the project.

75% Tax Refund

To receive a 75% tax refund, you must submit an Application for Clean Energy Labor Standards Certification prior to the start of the project.

In addition, you must contact Office of Minority & Women’s Business Enterprises (OMWBE) and Department of Veteran Affairs (DVA) for consultation on the development of your plan to meet the standards or good faith efforts. The plan will identify steps which could reasonably be expected to meet the women, minority, and veteran-owned businesses procurement and contract standards or qualify for good faith efforts.

At the end of the project, you must provide documentation to L&I (see below) indicating that you met all of the following criteria: