Since Texas is a deregulated market, you get to choose or switch your Retail Electric Provider (REP) based on rates, plans and customer benefits that work for you. Visit the Power to Choose website at powertochoose.org to compare offers and select the electric plan that fits your needs.

The reliable delivery of electric service rests on a dependable transmission system. Oncor, the PUCT and ERCOT work hand-in-hand to forecast growing demand and build additional infrastructure to meet it.

Your electric service identification number—commonly known as your ESI ID—is a unique 17-digit number used to identify the electric service delivery to your home. You can find your ESI ID number on your electric bill or look up your address to find out your ESI ID.

Understanding the Oncor Part of Your Electric Bill. Communications. 01.19.2024. Leer en Español. Energy Efficiency. How to Prepare Your Home for Winter. Communication . 12.21.2023. Powering Texas. Oncor Prepared for Colder Temps & 2024-25 Winter Season. ... ©2025 ONCOR ELECTRIC DELIVERY COMPANY LLC. ALL RIGHTS RESERVED.

As the largest energy provider in Texas serving more than 13 million customers, we take our commitment to you seriously. Count on Oncor for friendly, responsive customer service. General Inquiries/Service Requests. 888.313.6862. [email protected] (Monday-Friday, 8 a.m.-6 p.m. Central Time) For Outages. 888.313.4747

Feb 26, 2025 · Dramatic weather develops quickly in Texas. Extreme heat, severe thunderstorms, tornadoes, floods and winter weather can damage energy infrastructure and temporarily disrupt delivery systems. Don't be caught off guard. Use our helpful emergency checklists to …

Jan 19, 2024 · Oncor simply charges the REP for delivering that electricity. The REP directly bills customers for both the total cost of the electricity used and the Oncor charges. Oncor’s charges are often referred to as “delivery,” “wires,” or “transmission …

The Oncor electric network delivers electricity from power plants to users through transmission and distribution power lines. Our electric transmission system connects power plants to substations through high-voltage transmission lines.

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This booklet is issued by Oncor Electric Delivery Company LLC (Company) for use by Customers and their agents. These Electric Service Guidelines supersede all prior issues of the Electric Service Guidelines issued by