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Fuel Mix Disclosure


Fuel Mix Disclosure (FMD) gives electric utility customers information about fuel sources powering their homes. Electric utilities in Washington report their mix to customers annually or semi-annually depending upon their size.

Every year we collect utility purchasing information describing the amount of fuel purchased from plants that generate power. We combine the data to present a statewide picture of the energy sources used to supply retail customers. We calculate, summarize, and report the final data to utilities and post it to this webpage.

We provide technical assistance to utilities reporting their fuel mix and offer other related information that may impact fuel mix disclosure efforts.

Annual ReportsFuel Mix 2012

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