Arizona commissioner prepares to file 80% clean energy rule

Utility Dive: The process to modernize the Renewable Energy Standard and Tariff, passed in 2006, is a lengthy one but may be in the home stretch. Tobin called his letter an "acknowledgement" of a process that began two years ago, and the beginning of a rulemaking proposal — which typically lasts six to nine months.

"These rules will lower energy costs for ratepayers and businesses around the state, protect our air, water, and forests, avoid costly stranded assets, ensure resiliency, promote economic growth, and establish Arizona as the leader in moving towards a clean energy future," he wrote in the June 22 letter.

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