Fuel Mix Disclosure

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Investor-Owned Utility
Municipal Utilities
Cooperative Utilities
Program Info
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Generation Disclosure
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. In addition, most larger electric suppliers must provide at least two additional times annually a publication that contains the standard disclosure label, a customer service phone number to request the disclosure label or a reference to an electronic version of the disclosure label. (Small utilities and mutual light and power companies must provide the disclosure label at least annually to customers in the form of a publication.)