
Knowing which electric company serves your address is essential when setting up utilities, especially when moving to a new home. The process can vary depending on your location, as different states and countries have different regulations and providers. For instance, in Texas, you can use an ESID Lookup Tool to find your local electric company, while in Massachusetts, you can search for your city or town on the Mass.gov website. In Colorado, customers are served by investor-owned utilities, cooperative utilities, or municipal utilities, each with its own set of regulations. Understanding the distinction between a utility company and an electricity provider is crucial, as they play different roles in delivering power to your home.
| Characteristics | Values |
|---|---|
| Location | The electric company serving your address may vary depending on your location. For instance, in Texas, you can use an ESID Lookup Tool to find your local electric company. In Colorado, customers may be served by an investor-owned, cooperative, or municipal utility. |
| Type of Utility | Investor-owned utilities are for-profit corporations regulated by the state's Public Utilities Commission (PUC). Cooperative and municipal utilities are not operated for profit and are thus not regulated by the PUC. |
| Retail Electricity Provider | Your retail electricity provider or power supplier handles customer service, billing, and coordination with the utility company. |
| Utility Company | The utility company delivers power to your home and handles emergencies. |
| Deregulation | In some states like Texas, the utility company and electricity provider are separate, allowing you to choose your electricity provider. |
| Reporting Outages | Local government websites, such as Mass.gov, provide information on reporting power outages and offer assistance through their Consumer Divisions. |
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What You'll Learn

ESID Lookup Tool
The ESID Lookup Tool helps you find your Electric Service Identifier or ESID for your home or business. The ESID is a unique number for your property address. Both commercial and residential meters have an ESID.
The Lookup Tool allows you to see what utility company services your location. For instance, if you use the tool to search for an address in Oncor, the ESID will begin with 1044. If you search for an address in Centerpoint, the ESID will start with 10089. The rest of the number in the ESID is unique to your home or business meter.
The ESID Lookup Tool is particularly useful when you are shopping for electricity plans. Your energy provider will use the number to set up the electricity service to your meter. The ESID will also provide you with accurate pricing information as rates are dependent on your location.
If you are unable to find your ESID number using the tool, it may be that your service location or meter is new and hasn't been set up yet. If the Lookup Tool says "No Address Found", it means that the address is not in one of the following: CenterPoint, Oncor, AEP Central, AEP North, and TNMP. If the tool says "Meter Inactive", it means the utility company has retired the ESID and you will need to contact the utility company to have a new ESID assigned.
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Utility company
If you're moving to a new home, setting up utilities can be a hassle, especially if you don't know which utility company serves your address. Your utility company is the electric company that delivers power to your home and handles emergencies. This is separate from your retail electricity provider, which provides power, handles customer service, sends your bill, and coordinates with the utility company.
In the US, the process of finding your utility company varies from state to state. For instance, in Texas, you can use an ESID Lookup Tool (Electricity Service Identifier) to find your utility company by simply entering your address. This tool is updated daily and will also show you offers from retail electricity providers. This is particularly useful because over 85% of Texas is deregulated, meaning residents must shop for an electricity provider.
In Massachusetts, you can use the Power Outages page on the state government website to find the relevant electric company for your address. The Consumer Division can also help with billing issues and other concerns. Additionally, you can search for the companies providing natural gas service to specific cities and towns in Massachusetts.
In Colorado, the utility company serving your address depends on your location within the state. Customers are served by either an investor-owned utility, a cooperative utility, or a municipal utility. Investor-owned utilities, such as Black Hills Energy and Public Service Company of Colorado (Xcel Energy), are for-profit corporations regulated by the Colorado Public Utilities Commission (PUC). In contrast, municipal and cooperative utilities are not operated for profit and are thus not regulated by the PUC.
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Retail electricity provider
Since the deregulation of the electricity industry in the late 1990s, retail electricity providers (also known as REPs) have been able to sell electricity directly to consumers in deregulated states. Today, residential customers in 17 states and the District of Columbia enjoy some level of energy deregulation and energy choice. In deregulated markets, utility companies own the infrastructure for delivering electricity to customers, while retail electricity providers buy electricity from wholesale generators and sell it directly to customers.
It is important to note that, despite the differences in rates and terms offered by REPs, the electricity they sell is all the same. Therefore, customers should aim to optimize their budgets by getting the most energy for the lowest cost.
In some cases, the company that markets energy to customers is different from the company that delivers it and maintains the delivery infrastructure. For example, in Texas, the Public Utilities Commission of Texas (PUCT) must determine and approve electricity delivery charges from TDSP/TDU providers, as consumers do not have the power to choose their TDSP.
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Investor-owned utility
An investor-owned utility (IOU) is a privately owned utility company that is owned by investors and operated for profit. In the US, IOUs served 72% of electricity customers as of 2017, according to the Energy Information Administration (EIA).
The history of utility companies in the US is a varied one. In the late 1800s and early 1900s, local governments in smaller cities and towns began setting up their own electric distribution utilities, and by 1923, municipalities ran most utilities, with over 3,000 in operation. However, technological advancements in generation and transmission later made smaller plants uneconomical, leading many cities to sell their equipment and transfer their customers to IOUs.
By the mid-1930s, only 10% of rural homes in the US had electricity. This changed with the Rural Electrification Act of 1936, a federal loan program that provided electricity to rural populations. This act spurred the formation of farmer cooperatives, or co-ops, which are not-for-profit member-owned utilities. Co-ops are still most prevalent in rural areas today, with 812 co-ops operating across 47 states and an average of 24,500 electricity customers each. The largest co-op is the Pedernales Electric Co-op in Johnson City, Texas, which serves nearly 50% more customers than the second-largest co-op.
While IOUs and cooperatives are the most common utility models in the US, it's important to note that a county may have multiple utility types serving different areas. Detailed maps of utility service territories are available from organisations like the National Rural Electric Cooperative Association and the Edison Electric Institute.
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Municipal utility
Municipal utilities are not required to pay property taxes, but they typically make equivalent payments to the municipality "in lieu of taxes". Municipal utilities have been active agents in deploying distributed energy resources, especially cogeneration. For example, the city of Boulder, Colorado, has taken steps in this direction, and in Germany, over 800 regional distribution companies and utilities operate on the local distribution grid.
In terms of electricity, municipal utilities can buy electricity from facilities designed to burn municipal solid waste. Mesa, Arizona, for example, purchases power from a private company that burns solid waste generated by three local communities. On the other hand, some municipal utilities provide wholesale power to other utilities, such as the New York State Power Authority, which supplies power to municipal and cooperative utilities. Some states have also created joint municipal action agencies to construct power plants and purchase wholesale power for resale to municipal distribution utilities, such as the Massachusetts Municipal Wholesale Electric Company.
Local heating systems are usually operated by contractors or municipal utilities. Early cooperation between the designers of the solar thermal plant, the operators, the building company, and the architects is important when implementing a local DH system. A thorough determination of the heating network, solar thermal plant, and heat demand must be performed.
Irrigation districts, such as the Salt River Agricultural and Improvement District, are another type of municipal utility. These districts are controlled by a board of directors apportioned according to the size of landholdings and are primarily located in the western United States.
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Frequently asked questions
You can find out what electric company serves your address by using an ESID Lookup Tool (Electricity Service Identifier) or by searching for it manually. You can also try asking your neighbours, landlord, or local utility.
An ESID Lookup Tool is a utility lookup by address that gives you your unique electricity service identifier (ESID), meter status, and the electric utility company for your address.
To use an ESID Lookup Tool, simply enter your address to look up your utility company. You can also search based on your zip code.
Your utility company, or electric distribution utility (EDU), deals mainly with the poles and wires that service your home. They are responsible for delivering electricity to your home.
If you live in a market with energy choice, you may be able to choose your electricity provider and/or natural gas supplier. You can shop around and switch to a provider with an energy supply plan that suits your needs.











































