You can apply for electric and gas service online. You will need the following information to apply for service: <ul> <li>Primary account holder name </li> <li>Service address where the service is to be turned on </li> <li>Home phone number </li> <li>Alternate phone number (if applicable) </li> <li>Social Security Number </li> <li> Spouse or roommate name (if applicable) </li> <li>Employer </li> <li>Mailing address if different than the service address </li> <li>Effective date you would like the service to be turned on </li> </ul>
     
    A deposit for Ameren Missouri residential service is usually not required - you will establish your credit with Ameren Missouri in your first year of service. A deposit may be required on residential accounts if you have a past due Ameren Missouri service bill, if your service is being reconnected after being discontinued for non-payment or you have four late payments in any 12 month period during the first 24 months of service.
     
    Ameren Missouri generally does not charge an activation fee for service. If you are a gas customer who chooses to use service on a seasonal basis, some fees may apply.
     
    <b>Gas Service</b>: The electricity must be turned on before Ameren Missouri can turn on your natural gas service.<br/><br/> <b>Electric Service</b>: In most cases, you do not have to do anything. For safety reasons, Ameren Missouri requests that you have your main breaker in the off position or your main fuse pulled prior to connection of service. Failure to do so may delay turning on service.
     
    Please contact the Ameren Missouri Customer Contact Center at <b>314.342.1111</b> (in the St. Louis metro area) or <b>800.552.7583</b> (outside the St. Louis metro area).
     
    Only if your service is off. Please arrange for an adult (18 years or older) to be present to give us clear access to your meter for service to be turned on.
     
    We need positive identification in the form of a Social Security Number to open an Ameren Missouri account in your name online. Ameren Missouri requires this information to protect our customers from criminal acts of identification fraud. <br/><br/> If you do not have a Social Security Number, please contact the Ameren Missouri Customer Contact Center at <b>314.342.1111</b> (in the St. Louis metro area) or <b>800.552.7583</b> (outside the St. Louis metro area) to arrange for proof of identification to establish service.
     
    Service starts are available the next business day after the request is made. The service scheduling calendar will indicate if service is available. On some occasions, storm repairs or other emergency work may take priority, requiring an appointment to be rescheduled.
             
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