<b>Gas Service</b>: The electricity must be turned on before Ameren 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 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.
     
    You can apply for electric and gas service online. You will need the following information to apply for service:<br/><br/><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>Name of Spouse (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>
     
    We need positive identification in the form of a Social Security Number to open an Ameren Illinois account in your name online. Ameren Illinois 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 call your Ameren Illinois <a href="/sites/aiu/Pages/ContactUs.aspx">Customer Contact Center</a> to arrange for proof of identification to establish service.
     
    Yes, you can start both services by using the <a href="https://www2.ameren.com/prot/residential/TurnOnOff/toodefault.aspx?ServiceType=TurnOn">online options</a>.
     
    Use the following tips for entering a service address:<br/><br/> <ul> <li>Spell out all abbreviated words (e.g., Saint Louis).</li> <li>It is not necessary to use punctuation marks or apostrophes (e.g., O Fallon).</li> <li>ZIP Codes should be five digits (e.g., 63116, 63017).</li> <li>To help identify the location you are moving into, you can always enter the eight character Ameren meter number if you are not sure of the address or for rural addresses that don’t have conventional street addresses.</li> <li>The United States Postal Service provides a helpful website to check service addresses: <a href="http://www.usps.com" target="_blank">www.usps.com</a>.</li>
     
    Please contact your Ameren Illinois <a href="/sites/aiu/Pages/ContactUs.aspx">Customer Contact Center</a>.
     
    We will make every effort to have service placed in your name on the date stated on your confirmation. Should an emergency situation occur, your service will begin as soon as possible.
     
    We will do everything we can to provide you service on the date requested. However, if there should be a problem with the website, if an emergency situation occurs (e.g., such as storm outage repairs, or gas emergency), your order may be delayed.
     
    Ameren Illinois will light the pilot light at the time of the initial connect request. However, for safety reasons, if there have been new gas appliances installed or recently repaired, Ameren Illinois will only unlock the gas and check for proper installation and the installing contractor or designee will need to light appliances.
     
    You can update your order <a href="https://www2.ameren.com/prot/residential/TurnOnOff/toodefault.aspx?ServiceType=Maintain">online</a>, if you originally placed the order online. If you did not originally place your order online, please contact the Ameren Illinois <a href="/sites/aiu/Pages/ContactUs.aspx">Customer Contact Center</a>.
     
    Currently, the online service request is available to residential customers only. Contact the Ameren Illinois <a href="/sites/aiu/Pages/ContactUs.aspx">Customer Contact Center</a> to start service.
       
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