Almost every residential property in the deregulated areas of Texas is equipped with a digital smart meter. Unlike the old mechanical meters that required a utility worker to walk into your yard once a month to read the dials, smart meters transmit your electricity consumption data automatically.

This data is recorded and stored on a central platform called Smart Meter Texas (SMT). As a Texas resident, you have a legal right to access this data for free.

Here is what Smart Meter Texas is, how it works, and how you can use your data to slash your electricity bills.

Key Takeaways

High-Frequency Tracking: Smart meters record your electricity consumption in 15-minute intervals, sending the readings to SMT daily.
Official Repository: SMT is owned and operated by the major Texas utilities (Oncor, CenterPoint, TNMP, and AEP Texas) under PUCT oversight.
Accurate Shopping: Having your historical interval data is the only way to avoid the "advertised rate trap" and see your true average cost.
Automated Analysis: You can authorize platforms like GetElectricity to securely pull your SMT data and run the math for you in seconds.

What is Smart Meter Texas?

Smart Meter Texas (smartmetertexas.com) is the official web portal that stores the meter readings of over 7 million Texas homes and businesses. The platform is a joint venture between the four major Transmission and Distribution Utilities (TDUs) in the state:

Oncor Electric Delivery (Dallas-Fort Worth and surrounding areas)
CenterPoint Energy (Houston and surrounding areas)
AEP Texas (South and West Texas)
Texas-New Mexico Power (TNMP) (various regions across Texas)

Every day, your smart meter sends 96 individual readings (one for every 15 minutes of the day) to SMT. This detailed record is called your interval data or green button data.

Identifying Your Utility Credentials

To create an account on the SMT portal or authorize data access, you need to locate specific utility numbers from your monthly electric bill. Use the reference grid below to identify the formatting and purpose of each number:

Texas Electricity Identifiers Reference

Distinguishing between ESI ID, Meter Number, and Account Number to register your Smart Meter Texas portal.

Identifier	Typical Format	Managed By	Purpose & Permanence
ESI ID (Electric Service ID)	17 to 22 digits (always starts with 10)	ERCOT and local TDU	Identifies the physical electrical delivery connection point. Permanent to the property.
Meter Number (Meter ID)	10 to 12 digits / letters	Local TDU (Oncor, CenterPoint)	Serial number of the physical glass meter casing. Changes if meter is swapped.
REP Account Number	Varies (numeric or alphanumeric)	Your Retail Provider (REP)	Tracks customer billing history. Changes every time you switch electricity companies.

Why is Smart Meter Data So Valuable?

In the past, you only knew how much electricity you used at the end of the month when your bill arrived. If your bill was $250, you couldn't tell if the cost came from a hot afternoon when your AC ran constantly, or if there was a steady leak of power from a broken appliance.

With smart meter data, you can:

Pinpoint Waste: See exactly what time of day your home consumes the most energy. If your baseline usage is high at 3:00 AM when everyone is asleep, you may have an inefficient refrigerator, pool pump, or HVAC system.
Shop with Perfect Accuracy: When shopping for an electricity plan, you no longer have to guess whether you use 1,000 kWh or 2,000 kWh. You can look at your actual historical numbers for every month of the past year.
Audit Your Bills: If your provider charges you for 1,450 kWh but your smart meter records show you only used 1,320 kWh, you have hard evidence to dispute the bill.

How to Get Your Smart Meter Texas Data

You can retrieve your data in two ways:

Method 1: Create a Free SMT Account

Go to smartmetertexas.com and click "Sign Up."
Select "Residential Customer."
You will need two pieces of information from your electricity bill:
- Your ESIID (Electric Service Identifier) — a unique 17 or 22-digit number identifying your physical meter.
- Your physical Meter Number — a 10 to 12-digit number printed on your meter casing or listed on your bill.
Once registered, you can download your usage reports in Excel or CSV formats.

Method 2: Let GetElectricity Connect Automatically (Recommended)

Downloading CSV spreadsheets and running mathematical formulas for dozens of electricity plans is time-consuming. GetElectricity simplifies this process:

During signup, you can securely authorize GetElectricity to pull your SMT data via our direct integration.
We fetch your last 12 months of historical usage.
Our engine runs your exact usage against the active tariffs and rate sheets in Texas.
We show you your true annual cost, taking all hidden fees and credits into account, so you can find the actual cheapest plan for your home in under 5 minutes.

Let GetElectricity Do the Smart Meter Texas Homework

Everything this guide taught you to pull from Smart Meter Texas — 15-minute intervals, monthly totals, and seasonal swings — is exactly the data GetElectricity uses automatically.

GetElectricity connects directly to your Smart Meter Texas data to build your real 12-month usage profile, then simulates hundreds of active plans across Spring, The Woodlands, Pasadena, and Mesquite, turning your raw meter readings into a ranked list of plans priced against your real usage.

Enter your ZIP code on GetElectricity to put your meter data to work in minutes.

Frequently Asked Questions

What is Smart Meter Texas and who operates it?

Smart Meter Texas (smartmetertexas.com) is the official web portal that stores the meter readings of over 7 million Texas homes and businesses. It is a joint venture between the four major Transmission and Distribution Utilities — Oncor Electric Delivery, CenterPoint Energy, AEP Texas, and Texas-New Mexico Power — operating under PUCT oversight. Your smart meter sends 96 individual readings per day (one every 15 minutes), stored as your interval data or green button data.

What numbers do I need to register for a Smart Meter Texas account?

Two identifiers from your electricity bill: your ESIID (Electric Service Identifier) — a 17 or 22-digit number that always starts with 10 and is permanent to your property — and your physical Meter Number, a 10 to 12-digit serial printed on the meter casing or listed on your bill. Sign up at smartmetertexas.com as a Residential Customer; once registered, you can download your usage reports in Excel or CSV formats for free.

How does smart meter data actually lower my electricity bill?

Three ways: pinpoint waste (a high 3:00 AM baseline while everyone sleeps can reveal an inefficient refrigerator, pool pump, or HVAC system), shop with your real 12-month usage history instead of guessing between the 1,000 and 2,000 kWh pricing tiers, and dispute inaccurate bills with hard evidence — if you are billed for 1,450 kWh but the meter recorded 1,320 kWh, you have proof. GetElectricity can pull your SMT history automatically during signup and run it against every active Texas rate sheet, showing your true annual cost in under 5 minutes.

Related reading: Smart Meter Texas only shows data from a digital meter — if you are not sure what is on the side of your house, our smart meter vs analog meter comparison explains the hardware behind the readings.

Related reading: SMT registration starts with the 17 to 22-digit identifier on your bill — our walkthrough on how to find your ESI ID shows the fastest ways to locate it on a bill, a meter, or by address.

Smart Meter Texas: How to Access and Use Your Historical Electricity Data