Today, Arizona Public Service (APS), City of Mesa, Salt River Project (SRP), Tucson Electric Power (TEP) and UniSource Energy Services announced commitment plans for the Transwestern Pipeline Desert Southwest expansion project. This new natural gas pipeline will help maintain year-round regional energy reliability by transporting natural gas from the Permian Basin in West Texas to Arizona by late 2029 once construction is completed.

The project is expected to cost approximately $5.3 billion including $0.6 billion of Allowance for Funds Used During Construction (AFUDC), and is supported by significant long-term commitments from investment-grade customers. Energy Transfer will launch an open season later this quarter and expects the remaining capacity to be fully subscribed upon completion

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