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Starting October 1: Some business services are now subject to retail sales tax, as required by state law, ESSB 5814. When you buy these services, vendors should add sales tax to your bill. If you sell these services, you should begin collecting retail sales tax. Learn more about Services newly subject to retail sales tax.
Utility Cost of Capital Studies
2025
Electric Independent Power Producers
2024
Electric Independent Power Producers
2023
Electric Independent Power Producers
2022
Electric Independent Power Producers
2021
Electric Independent Power Producers
2020
Electric Independent Power Producers
2019
Electric Independent Power Producers
2018
Electric Independent Power Producers
2017
Electric Independent Power Producers