Solar & Battery Regulation & Incentive Programs

Fuel Mix Disclosure

Program Overview


Category:
Regulatory Policy
Program Type:
Generation Disclosure
Implementing Sector:
State
State:
Washington
Website:
https://www.commerce.wa.gov/growing-the-economy/energy/fuel-mix-disclosure/
Fuel Mix:
Must be disclosed
Emissions:
Not addressed
Distribution and Frequency:
Distributed to customers annually
Updated online annually
Standard Format Required:
Yes
Applicable Sectors:
Investor-Owned Utility, Municipal Utilities, Cooperative Utilities
Last Updated:
12/23/2020

Summary

Washington’s retail electric suppliers must disclose details regarding the fuel mix of their electric generation to the Department of Commerce, as well as to their customers. Electric suppliers must provide such information in a standard format annually to customers. As of 2019, any instance where the utility does not know the source of the fuel, it must be listed on the disclosure level under "unspecified sources."


Authorities

NameEnacted DateEffective DateExpired Date
RCW § 19.29A.050 et seq.3/30/20002001