Electric System

The Austin Energy electric system serves a 437 square mile area, including Austin and portions of Travis and Williamson counties. It consists of:

  • More than 11,500 miles of distribution lines
  • 624 miles of transmission lines
  • 74 substations

Our Reliability Ratings Are Among the Best

The reliability of the Austin Energy electric system is better than the industry average. We continuously challenge ourselves to achieve SAIDI (outage duration), SAIFI (outage frequency), and SATLPI (transmission line) ratings that are among the best in the nation.

Austin Energy works to improve reliability by investing in equipment upgrades and maintenance.

The outage per customer numbers for System Average Interruption Duration Index (SAIDI) and the System Average Interruption Frequency Index (SAIFI) are:

Fiscal Year End September 2017

  • SAIDI 60.94 minutes
  • SAIFI 0.79 interruptions

Tree Pruning Reduces Outages

Our tree pruning program is critical to ensuring system reliability, especially during storms.

Outage Response Crews Stand Ready Anytime, Day or Night

Austin Energy has crews on standby around-the-clock, ready to respond quickly to outages. Using a state-of-the-art outage management system, Austin Energy is able to pinpoint the area of an outage and more efficiently assign crews to make repairs and restore power. 

Check out our Storm Center

We Monitor Power Quality

We work very closely with power sensitive companies such as high tech manufacturing facilities. Austin Energy offers a full range of services to provide backup power and associated services that allow companies to monitor their electrical use online.

The Smart Grid Improves Customer Service

A smart grid is made up of an electric grid, a communications network, hardware, and software. Our smart grid provides quicker outage restoration and better energy efficiency.

Last Updated: 11/7/18

Customer Services
Disability Assistance

TDD: 512-477-3663
Relay Texas: 7-1-1

City of Austin ADA Office

Report Outages
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