Pinnacle West Capital Corp

PNW: XNYS (USA)

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Pinnacle West: Court Ruling Raises Uncertainty Around New Formula Ratemaking

Travis Miller

Sep 4, 2026

The Maricopa County Superior Court on Sept. 3 issued a stay of the Arizona Corporation Commission's implementation of a new formula rate plan to set customer rates for the state's utilities, including Pinnacle West subsidiary Arizona Public Service.

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Pinnacle West Capital Corp

Pinnacle West: Court Ruling Raises Uncertainty Around New Formula Ratemaking

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