CenterPoint Energy Houston Electric Service Area Guide

CenterPoint Energy Houston Electric is the regulated transmission and distribution utility for much of the Greater Houston electricity market. At an eligible address in its electric service territory, CenterPoint operates the poles, wires, meters and local delivery network while a separate Retail Electric Provider usually sells the electricity plan. That split is one of the most important facts to understand before comparing offers.

This page is about the delivery territory rather than one retail plan. If you are shopping for supply, begin with the broader Texas electricity rates guide or the local Houston electricity rates page, then confirm that CenterPoint Energy Houston Electric is actually the TDU assigned to the service address.

CenterPoint Energy Houston Electric is a delivery utility, not the retail seller

CenterPoint describes its Houston electric business as a regulated poles-and-wires utility. In the competitive Texas market, Retail Electric Providers compete for the customer relationship, while CenterPoint remains responsible for delivering electricity across its certified network. CenterPoint’s own market information says it no longer sells electricity in the Houston competitive market and instead delivers power on behalf of REPs.

That means a household can change the retail company, contract length or pricing structure without changing the local delivery utility. The REP controls the retail agreement and billing relationship; CenterPoint handles the physical network functions assigned to the TDU. This distinction is also central to Texas energy choice.

The CenterPoint electric footprint is broader than Houston city limits

The name “Houston Electric” can make the territory sound like a city-only utility, but the current CenterPoint corporate overview describes a Greater Houston electric system serving nearly 2.8 million metered customers. Official service-center information reaches well beyond central Houston and includes areas associated with Baytown, Bellaire, Cypress, Fort Bend, Galveston, Humble, Katy, Rosenberg, Sugar Land and other communities around the region.

Those examples are useful for orientation, not for deciding whether a particular house is in the territory. Electric utility boundaries can cross municipal and ZIP-code lines. Some communities also have mixed service patterns, so a city name alone should never be treated as proof that CenterPoint is the electric TDU for every address.

Do not confuse CenterPoint electric delivery with CenterPoint natural gas service

CenterPoint is especially easy to misunderstand because the company provides both electric-delivery and natural-gas services in parts of Texas. The two service footprints are not interchangeable. A property can encounter the CenterPoint name for natural gas without being in CenterPoint Energy Houston Electric territory, and some communities listed by CenterPoint have gas service but little or no CenterPoint electric service.

For electricity shopping, verify the electric service point specifically. Do not infer the TDU from a gas bill, a nearby neighborhood or the fact that CenterPoint operates another utility service in the same city. This electric-versus-gas distinction is a strong reason to use the exact service address before applying delivery assumptions to a plan comparison.

How to verify a CenterPoint electric address and ESI ID

In the Texas retail market, the ESI ID identifies a specific electric service location. CenterPoint states that the ESI ID is a 22-digit identifier tied to the service location and meter; it is not the customer’s retail account number. For an existing home, the ESI ID can help confirm the market location and delivery utility when names or boundaries are unclear.

For builders and new service locations, CenterPoint can create or provide an ESI ID as the meter and construction process progresses. Once the service point is ready in the competitive market, the customer still needs a Retail Electric Provider to request retail electric service. That is another practical example of the TDU and REP performing separate parts of the same move-in.

What happens when you choose or switch a Retail Electric Provider

At an eligible CenterPoint address, the customer shops among retail plans rather than choosing a different local wire company. A switch can change the energy price formula, contract term, renewable-content claim, billing features and customer-service relationship. It does not move the property to another distribution network.

Before changing plans, compare the full contract and not just the advertised rate. Check the current Electricity Facts Label, recurring fees, usage credits, time-of-use windows, term and early-exit provisions. The Electricity Facts Label guide explains why the plan disclosure is more useful than a single promotional number. For the switching process itself, see switching electricity providers in Texas.

CenterPoint handles local outages and distribution restoration

If a storm, equipment failure or local distribution problem interrupts power at a CenterPoint electric address, CenterPoint is the utility responsible for the delivery network. The company maintains an Outage Tracker, outage-reporting channels and Power Alert Service for restoration information. Changing REPs does not shift that physical restoration responsibility to the new retail seller.

This matters in the Gulf Coast region, where severe thunderstorms, hurricanes, flooding conditions, vegetation and extreme heat can all affect the grid. Retail plans should therefore be compared on retail economics and contract features, not on the mistaken assumption that one REP owns stronger neighborhood wires than another.

Smart meters can make a Houston-area plan comparison more precise

CenterPoint says it has deployed millions of smart meters across the Houston electric system. Through Smart Meter Texas, eligible customers can view electricity-use information in 15-minute intervals. That level of detail is much more useful than a single monthly total when evaluating free-night, weekend or other time-of-use products.

Interval data can reveal whether the household’s biggest loads occur during expensive or discounted hours. Air-conditioning, pool pumps, electric water heating and EV charging can create very different shapes even when two homes use the same monthly kWh. A household with flexible overnight charging may value a time-based plan differently from one whose highest demand occurs during hot late-afternoon periods.

Starting service is different from installing a new electric meter

For a property with an existing meter, the selected REP normally sends the market transaction used to start service. CenterPoint then performs the delivery-side work associated with the request. For a new construction site or a location that needs utility construction, the process can involve permits, engineering, an Electric Service Request and creation of the ESI ID before ordinary retail enrollment is possible.

This distinction prevents a common moving mistake: trying to solve a missing-meter or construction issue by repeatedly changing retail providers. The REP sells the contract, but a physical service extension, new meter location or other distribution work remains a utility-side matter.

CenterPoint delivery charges and the PUCT tariff

CenterPoint Energy Houston Electric operates under a Public Utility Commission of Texas tariff for retail delivery service. The tariff governs delivery-service rates, access and conditions for competitive retailers and retail customers throughout the utility’s service area. Those regulated delivery components are separate from the competitive retail energy price.

Because approved tariff charges can change through regulatory proceedings, a durable comparison page should not hard-code an old delivery rate and present it as permanent. Instead, use the current plan documents and current tariff treatment when calculating a bill. Two REPs serving the same CenterPoint address may package or display charges differently, but the underlying TDU territory remains the same.

Why CenterPoint territory matters when moving around Greater Houston

A move within the Houston metropolitan area does not guarantee that the new home has the same electric utility. The Greater Houston region is large, and utility territories do not simply follow the borders that consumers use for city names, suburbs or commuting areas. A move can therefore change both the available REP set and the applicable delivery utility.

Confirm the destination address before transferring or replacing a plan. If the new property remains in CenterPoint territory, the delivery context stays with CenterPoint even if the retail contract changes. If the property falls in another utility territory, the comparison should be rebuilt using that TDU’s delivery context rather than carrying CenterPoint assumptions to the new address.

A practical way to compare plans in CenterPoint territory

First verify the service address and TDU. Second, collect several months of actual usage, preferably a full year. Third, restrict the plan set to offers genuinely available at that service point. Then compare the variables the REP controls: energy pricing, fixed or variable structure, recurring charges, usage credits, time-of-use rules, renewable content, contract length and termination terms.

Houston-area cooling demand makes seasonal testing especially important. A bill-credit plan can look attractive during high-use summer months but behave differently during spring or fall. Smart-meter history can also expose whether a free-night or time-of-use plan fits the home’s real hourly pattern. The goal is to model the complete bill across realistic usage rather than chase the lowest advertised benchmark.

Frequently asked questions about CenterPoint Energy Houston Electric