As TEP plans next 15 years of power, questions raised on transparency and data centers

Pima County, the city of Tucson and the Sierra Club all declined to sign a non-disclosure agreement this year with Tucson Electric Power, giving up access to the modeling data that is part of a major energy planning process rather than agree to the confidentiality terms. The agreement is tied to TEP’s Integrated Resource Plan, […] The post As TEP p

By: Yana Kunichoff

Outlets: Arizona Luminaria

Published: August 17, 2026

Words: 1,548

Last Updated: 4 weeks, 2 days ago

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Pima County, the city of Tucson and the Sierra Club all declined to sign a non-disclosure agreement this year with Tucson Electric Power, giving up access to the modeling data that is part of a major energy planning process rather than agree to the confidentiality terms.

The agreement is tied to TEP’s Integrated Resource Plan, or IRP, a planning document utilities file with the Arizona Corporation Commission every three years, sharing how, and how …

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