Lines at sunset

Resource Planning

Safe, reliable power for the future

Tucson Electric Power (TEP) is building a more sustainable, responsive energy portfolio by expanding renewable resources, investing in efficient, innovative technologies, and offering new options to customers. TEP’s long-term strategy to diversify its energy portfolio is described in its Integrated Resource Plan (IRP).

The IRP provides regulators, customers and other interested stakeholders with information about current resources, detailed assumptions and analyses about future energy requirements, and strategies for meeting customers’ long-term energy needs.

2017 IRP

TEP 2017 Integrated Resource Plan

TEP’s 2017 IRP describes current loads and resources, and projects future energy and capacity needs from 2017 through 2032. It was filed with the Arizona Corporation Commission (ACC) in April 2017.

TEP 2018 Action Plan Update

This five-year action plan updates the 2017 IRP by highlighting projects TEP plans to pursue in the near future.  It was filed with the ACC in April 2018.

Gila Power Plant

Cost of Energy Resources

We need multiple resources working at the same time to keep your power both reliable and affordable.