AriSEIA Pens 2nd Op-Ed on UNSE CEC

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A recent Arizona Republic article thoroughly discussed Mohave Electric Cooperative’s Mohave Energy Park and its local opposition. It also stated that “with a capacity of 98 megawatts – just shy of the 100 MW limit that requires approval under Arizona law by a committee that would provide a ‘forum for interested and affected individuals.'"

What folks in Mohave County may not know is that Unisource Electric (UNSE) is simultaneously planning a 200 MW expansion of Black Mountain Generating Station located in Golden Valley.

Not only is the UNSE gas plant expansion twice as big as the Mohave Electric project, but UNSE is arguing that the Arizona law referenced above should be reinterpreted to exempt their project from review, too. UNSE has asked the Arizona Power Plant and Line Siting Committee to waive its jurisdiction over the Black Mountain Expansion Project because the individual turbines are less than 100 MW.

UNSE argues that Arizona law considers the individual turbines “plants” instead of the entire project and since their turbines are 50 MW each for a total of 200 MW of new gas, they do not need review. Not only would this limit the ability of Mohave County residents to weigh in on the siting of this project, but it would pave the way for all utilities in Arizona to argue the same thing for their projects.

If UNSE is successful, essentially all new gas plants in Arizona would be exempt from the law that intended to create a public process and protect the local environment from new power plants. Mohave County residents, like everyone in Arizona, would not have a voice at the Arizona Corporation Commission (ACC) before these plants are built.
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April 24 is the time to offer public comment on UNSE’s interpretation of Arizona law. The public can file comments online through the ACC’s website (use Docket No. L-00000F-24-0056-00230) or in person, via Zoom, or via the telephone at the time of the hearing (April 24 starting at 10 a.m.). The hearing will take place at the ACC at 1200 W. Washington Street in Phoenix.