The Arizona Corporation Commission (ACC) voted 4-1 on Wednesday to approve a special Energy Supply Agreement between Tucson Electric Power and Delaware-based Humphreys Peak Power LLC for a large data center campus planned in Pima County.

An Energy Supply Agreement is a binding contract that sets the terms, pricing, and delivery conditions for electricity between a utility and a major customer.

"The Commissions role is to review the ESA to ensure it meets regulatory requirements and provides protections for all TEP customers," the commission said in a release. "The Commission does not have jurisdiction over the type of project associated with the ESA. TEP, like all other public utilities in the state, has an obligation to serve all customers in its designated service territory without dis

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