
If you're wondering which company supplies your electricity, there are several ways to find out. One way is to use an ESID Lookup Tool (Electricity Service Identifier), which is updated daily and allows you to search for your utility company by entering your address. This tool also provides your unique ESID number and offers from retail electricity providers. Alternatively, if you have a recent energy bill or online account, you can find the contact details of your energy supplier there. If you live in Massachusetts, you can search for the companies that provide electric services to your city or town. If you're based in the UK, you can contact your network operator or energy supplier, or call the Meter Point Administration Service to find out who your supplier is.
| Characteristics | Values |
|---|---|
| How to find your electric company | Use the ESID Lookup Tool to find your electric company by searching for your address |
| ESID Lookup Tool | A tool that provides your unique ESID number, the utility company that services your location, and offers from retail electricity providers |
| ESID Number | A unique Electricity Service Identifier Number assigned to your property address, acting as a social security number for your electric meter |
| Utility Company | Delivers power to your home and handles emergencies |
| Retail Electricity Provider | Provides power, handles customer service, sends your bill, and coordinates with the utility |
| Choosing your Retail Electricity Provider | In deregulated areas, you must choose your electricity supplier; in regulated areas, one utility company provides all services |
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What You'll Learn
- ESID Lookup Tool: Find your electric company with an address search
- Utility companies: Handle emergencies and power delivery
- Retail electricity providers: Customer service, billing, and plan options
- Billing issues: Contact your Consumer Division for help
- Network operators: Responsible for wires and pipes

ESID Lookup Tool: Find your electric company with an address search
If you're wondering, "What company is my electric with?" you can use an ESID Lookup Tool to find out. An ESID (Electric Service Identifier) is a unique number assigned to a Service Delivery Point or a property address with regard to the Texas electricity grid. It is sometimes referred to as an ESIID, ESI ID or ESI-ID.
The ESID Lookup Tool requires you to enter your address to find your ESID number. This tool will provide you with your unique ESID, the type of meter you have, your electric utility company, and electricity providers near you. It is important to note that each delivery company has a different number sequence. For example, ESIDs for Oncor typically start with 1044, while those for CenterPoint usually begin with 10089.
Your ESID number is essential when shopping for electricity plans or switching providers. It helps ensure that your address and meter are correctly linked to your account, enabling accurate billing and tracking of energy usage. Additionally, it allows electricity companies to gain insights into your electricity history, such as monthly usage and average rates, to offer customised plans.
If you are unable to find your ESID number using the tool, it may be because your service location or meter is new and hasn't been set up yet. In such cases, you should contact your local utility company to schedule a new meter set. Once your new meter is installed, your ESID will be available within 24 hours.
By knowing your ESID, you can also take advantage of Texas' Power to Choose program, which displays competitive electricity rates from energy suppliers in deregulated areas. This program is especially useful if you have a residential meter or small monthly usage for your business.
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Utility companies: Handle emergencies and power delivery
Utility companies are responsible for handling emergencies and delivering power to their customers. In the event of a power outage, utility companies work to restore power as soon as possible. The process typically involves first ensuring that power is no longer flowing through downed lines, then repairing any damaged power plants, transmission lines, and substations. Power is then restored to essential services such as hospitals, police departments, and water systems before moving on to large service areas to get the largest number of customers back online.
Utility companies must prepare for various emergencies, including hurricanes, malicious attacks, supply disruptions, earthquakes, and severe weather. They do this through planning, training, drilling, and amending preparation response strategies. Installing high-quality infrastructure components and replacement parts can help maintain the integrity of the electricity delivery system and speed up restoration times.
In some areas, like Texas, the utility company and electricity provider are separate entities. This means that one company delivers the power to your home and handles emergencies, while another company provides the power, handles customer service, and sends your bill. This can be confusing, especially when moving to a new area. To find out which company provides your power, you can use an ESID Lookup Tool or contact your city or town hall.
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Retail electricity providers: Customer service, billing, and plan options
Retail electricity providers, or REPs, are companies that purchase electricity in bulk on the wholesale market and sell it to consumers. They are responsible for signing customers up for electricity services, billing, payment processing, and other account services.
In the past, electricity retailing consisted of managing the connection, disconnection, and billing of electricity consumers by the local monopoly supplier. However, since the deregulation of the electricity industry in the 1990s, energy providers have been permitted to sell electricity directly to consumers in deregulated states. Today, 24 states in the US allow for at least some competition among retail electric providers, including California, Texas, and New York.
In states with competitive markets, retail energy suppliers buy electricity from the wholesale market in bulk and resell it to residential and business customers. They compete with each other by maximizing customer choice and offering benefits that set them apart. This includes providing a range of electricity plans with different rates and terms, such as fixed-rate plans, which allow customers to lock in their electricity rate for a set period, and variable-rate plans, which have no long-term contracts and allow customers to change providers whenever they want. Retail energy suppliers may also offer special pricing features, such as time-of-use pricing, which allows customers to pay a lower rate during off-peak periods, or free weekend pricing, with no electricity charges on weekends.
Retail electricity providers also handle customer service, billing, and account services. Because customers can easily take their business elsewhere in competitive markets, retail suppliers are motivated to provide excellent customer service at all times. Customers with billing or payment issues should contact their retail supplier, while issues with power outages or downed power lines should be directed to the utility company.
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Billing issues: Contact your Consumer Division for help
If you are experiencing billing issues with your electricity provider, you can contact your Consumer Division for help. The Consumer Division can assist with billing issues and address any other concerns related to your service.
To identify your electricity provider, you can refer to a recent bill or online account, which should include the necessary contact details. If you do not have access to this information, you can determine your network operator and request your supplier's details from them. Alternatively, you can use tools such as the Electricity Plans ESID Lookup Tool or the Mass.gov search feature to identify your electricity provider based on your location or address.
Once you have identified your electricity provider, you can reach out to their consumer division or customer support team to address your billing issues. It is recommended to keep relevant documentation and be prepared to provide detailed information about your concerns.
If you are unable to resolve your billing issues directly with your electricity provider, you can consider filing a consumer complaint with a regulatory body, such as the Federal Communications Commission (FCC) or the Consumer Financial Protection Bureau. These organizations provide avenues for consumers to submit complaints and seek assistance. It is important to note that the complaint process may vary, and certain agencies may have limited authority over specific issues.
By taking these steps, you can effectively address billing issues by contacting the appropriate consumer division and seeking the necessary assistance to resolve your concerns.
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Network operators: Responsible for wires and pipes
If you want to find out which company provides your electricity, you can search for the electricity company that serves your address. In Texas, for example, you can use the ElectricityPlans ESID Lookup Tool to find your electric utility company. You can also refer to a list of deregulated cities in Texas to find out more. It's worth noting that some zip codes are split between utility companies, so your neighbour might be with a different provider.
If you live in Massachusetts, you can search for the companies that provide electric services to your city or town. The Department of Public Utilities (DPU) regulates investor-owned electric companies in Massachusetts, as well as some privately-owned water companies and municipal light plants (MLPs).
In the UK, you can find out who your energy supplier is by looking at a recent energy bill or checking your online account. If you don't have access to this information, you can contact your network operator, who is responsible for the pipes and wires that carry electricity and gas, and ask them for your supplier's details. You can also get your electricity Meter Point Administration Number (MPAN) or your gas Meter Point Reference Number (MPRN) to find out who your supplier is.
Network operators are responsible for the physical infrastructure that delivers electricity and gas to your home. This includes the wires and pipes that carry the utilities, as well as the maintenance and management of these networks. In the case of electricity, this can include everything from power plants to transmission lines and distribution systems. Network operators also provide access to end-users, which can include residential customers, businesses, educational institutions, and government departments. They have their own Internet resources, such as IP addresses and Autonomous System numbers. To provide efficient access to content, network operators position themselves as close as possible to the content providers, either through peering or transit. Peering is the connection of one network operator to another to exchange traffic, while transit is the purchasing of Internet access from another network operator.
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Frequently asked questions
There are several ways to find out which company provides your electricity. If you have a recent energy bill or online account, you can find the contact details of your energy supplier there. You can also use an ESID Lookup Tool to find your electricity provider by searching for your address.
An ESID Lookup Tool is a tool that allows you to find your electricity provider by entering your address. It provides you with your ESID (Electric Service Identifier) number, which is a unique number assigned to your property address. This tool also provides information on the utility company that services your location and offers from retail electricity providers.
A utility company delivers power to your home and handles emergencies and outages. You are assigned a utility company based on your address. An electricity provider, also known as a retail electricity provider (REP), provides power, handles customer service, sends bills, and coordinates with the utility company. In deregulated areas, you can choose your electricity provider, but in regulated areas, one utility company provides all services.











































