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    Construction FAQs

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    Construction FAQs

    Equipment delivery delays

    Like many industries experiencing production delays and labor challenges over the past two years due to COVID-19, AES Ohio is also facing delays in the delivery of equipment needed for planned and new construction projects. We are seeing delivery delays for transformers and cables, increasing costs and — probably the most frustrating — is the uncertainty of when equipment will arrive. We are working diligently identifying and implementing plans on scheduled projects with available materials or proper substitutes. Additionally, we are communicating daily with our suppliers for updates on the timing and material deliveries. Rest assured, AES Ohio is equipped for restoration efforts to address outages and large weather events. AES Ohio is committed to reliably serve our customers and support the growing electricity demand for planned and new construction projects. For more information, the Construction Control Center can be reached at 937-331-4860 or 800-424-5578 and by email at

    Frequently asked questions about AES Ohio's construction process.


    Project construction
    Who do I contact at AES Ohio regarding my construction project?

    Our Construction Control Center (CCC) is your point of contact for initiating any request for new or upgraded service. The CCC can be reached at 937-331-4860 or 800-424-5578 and by email at

    When is the construction office open?

    The Construction Control Center is open Monday-Friday, 8:00 AM to 5:00 PM.

    How long will the construction process take?

    Construction projects usually take 60 to 120 days to complete from the time a construction application is received. Both AES Ohio and our customers have to work together to complete the project in a timely fashion.

    PLEASE NOTE: Our work can be significantly impacted by weather conditions. In the event of poor weather or other unforeseen situations, construction schedules can be delayed. We will do our best to communicate any delays as far in advance as possible. Thanks for your understanding.

    What steps can I expect during the construction process?

    There are four primary steps in our construction process: Application, Design, Invoicing and Construction. AES Ohio will be in communication with you during each of these four steps. Additional steps may be involved, depending on the project (for example: AES Ohio may request/require an easement for your project).

    1. Application: Our Construction Control Center (CCC) will process your application and provide acknowledgement of receipt by email (if provided) or U.S. mail. If a security deposit is required the CCC will also issue notice of the deposit shortly after intake (more on security deposits).

    2. Design The project will be assigned to an AES Ohio engineer to be designed. You or your electrician will be contacted during this step. Design time is dependent on engineering workload, job complexity and timeliness of customer decisions.

    3. Invoicing: Any one-time charges (also known as “aid-to-construction fees”) will be invoiced to you by mail and email if one is provided.

    4. Construction: Once payment is received, along with any necessary agreements/documents and inspections, the project will be released for construction. Please work with the assigned AES Ohio Project Manager for scheduling and coordination. Construction typically begins 3-4 weeks after payment and documentation is received.

    If you have questions as to where your project is in this process, please contact our Construction Control Center at 937-331-4860 or 800-424-5578 and by email at

    How do I get temporary service during construction?

    Temporary service can be requested via AES Ohio's Temporary Service Application. AES Ohio will make its best efforts to provide temporary service, but we often find there are no electrical facilities at your property to provide temporary service. If this is the case, you may have to do construction via a privately-owned generator or wait 60 to 120 days for temporary service to be designed, invoiced and constructed. There may be charges for temporary service.

    What do I do if I need to have power temporarily disconnected during construction?

    If you need to have service temporarily disconnected for an electrician to perform maintenance or to allow painters, tree trimmers or roofers to safely work around power lines, please contact our Construction Control Center several days in advance to schedule an appointment. We will temporarily and safely disconnect electric service and reconnect it when work is completed, Monday-Friday between 7:30 AM-5:00 PM. There is no charge for this service. You can reach the Construction Control Center at 937-331-4860 or 800-424-5578 and by email at

    Is an inspection required for electrical work at my home or business?

    An inspection is required for all new electric service installations, residential services that have been de-energized continuously for 366 or more days, and non-residential services that have been de-energized continuously for 32 or more days. Please check with your local inspecting authority for specific requirements and restrictions. The inspection report must be sent to our Construction Control Center directly from the inspecting authority.

    If you are not sure who the local inspecting authority is, or need to know what to do when there is no designated local inspecting authority, please contact our Construction Control Center.

    If I am a licensed electrical contractor, can I reconnect service myself?

    No. This work must be performed by AES Ohio after receipt of the electrical inspection.

    For my new home, can the underground transformer be put in the backyard?

    AES Ohio installs all new facilities for residential construction in the front lot of properties.

    Who is responsible for trenching of underground services?

    Customers are responsible for all trenching and backfilling of trenches. In addition, customers will need to install conduit wherever the underground service crosses roads, driveways or other permanent crossings.

    • Please do not open any trenches until speaking with our Construction Control Center to ensure the project is ready for construction and that AES Ohio crews are available to do the work within a reasonable time of trench opening.
    When will AES Ohio do the work for my project?

    Construction projects usually take 60 to 120 days to complete from the time a construction application is received by AES Ohio. Both AES Ohio and our customers have to work together to complete the project in a timely fashion.

    Before contacting your AES Ohio Project Manager to coordinate the construction schedule, please ensure the following items have been completed:

    • All invoiced charges have been paid in full
    • The site is within 6 inches of final grade as indicated by a signed "authorization to install" form
    • Any right-of-way/easement documentation has been received by AES Ohio

    Our work can be significantly impacted by weather conditions. In the event of poor weather or other unforeseen situations, construction schedules can be delayed. Thanks for your understanding.

    Can cable TV and telephone cables be buried in the same trench as underground power lines?

    Yes, other utilities can share a common trench with AES Ohio. Once you have begun your project and have been assigned a AES Ohio Design Engineer, please work with the engineer to obtain spacing requirements for joint-use trenching. It is the customer's responsibility to contact all utility providers as AES Ohio is not responsible for their facilities.

    Construction fees and security deposits
    Will I be required to pay a security deposit?

    Security deposits are based on customer credit and past AES Ohio payment history. If required, the deposit is usually a little more than the average monthly bill. Visit our security deposit page for more details on when security deposits are required and options for having it waived. Security deposits are assessed shortly after AES Ohio receives your construction application; construction will not be scheduled until any deposit is paid in full. Security deposits are separate from one-time construction charges (also known as “aid-to-construction fees”).

    Will there be a charge for my project?

    Typically one-time charges (also known as “aid-to-construction fees”) are associated with projects. If any charges are involved, you will be notified accordingly after the project has been designed. Your construction project will not be scheduled until AES Ohio has received payment in full for all applicable construction charges. AES Ohio reserves the right to charge an upfront engineering fee for project design.

    How are one-time charges determined?

    As a regulated utility, we comply with the tariffs, rules and regulations approved by the Public Utilities Commission of Ohio (PUCO), the Ohio Revised Code (ORC) and Ohio Administrative Code (OAC). Each project is unique and requires an engineer to design the job before pricing can be provided. Below are some general pricing guidelines for electric line extensions per OAC 4901:1-9-07:

    • For line extensions to residential single family homes, AES Ohio is responsible for all standard costs up to $5,000. Incremental costs for premium services or costs over $5,000 will be the customer's responsibility.

    • For line extensions to residential, non-master-metered, multifamily installations (two or more units), AES Ohio is responsible for all standard costs up to $2,500 per unit. Incremental costs for premium services or costs over $2,500 per unit will be the customer's responsibility.

    • For line extensions to non-residential customers, AES Ohio is responsible for 60% of the standard total cost of the line extension. The customer is responsible for 40% of the standard total cost of the line extension plus the incremental costs for premium services.

    100% of the construction costs for relocating a service are paid for by the customer. When one-time charges (also known as “aid to construction fees”) are assessed, per OAC, payment from the customer will be grossed-up by the associated tax liability. As of January 2018, typical tax liability is 27.5%.

    What is the cost to convert from overhead to underground service at my home?

    For residential conversions, AES Ohio charges a flat fee of $250 plus $3.30/foot of trench. The trench length will roughly be the distance from the existing transformer pole serving your home to the location of the meter on your home. For example, if the distance is 300 feet pole to meter, then the estimated bill from AES Ohio would be:

    $250 + (300 ft x $3.30) = $250 + $990 = $1,240

    In addition to the costs charged by AES Ohio, you will be responsible for trenching the path of the underground wire, providing and installing conduit under any driveways and roads, and converting/replacing your meter base to accommodate the new service. You will want to consult with an electrician to verify these and other costs involved on the private side for the conversion.

    For non-residential conversions, AES Ohio does not have a flat cost structure. Each project will be engineered and invoiced based on the specific demands of the project.

    How can I pay invoiced construction costs for my project?

    Once you receive your project invoice, you can mail your invoice and check or money order payment directly to us at the location below:

    • AES Ohio
      Pricing & Invoicing Department
      1900 Dryden Rd.
      Dayton, OH 45439

    Vegetation clearing and landscaping
    Does AES Ohio restore landscaping after installing underground lines?

    No. Our construction fees do not include landscape or other site restoration for a new underground electric service. When planning your landscaping, please keep in mind that a 10-foot clearance is required from the front of all AES Ohio equipment such as poles and transformers and a 3-foot clearance is needed around the back and the sides. This allows AES Ohio to have safe access to our equipment for any maintenance work that may be needed. Learn more about safe clearance around AES Ohio equipment.

    Construction application
    Why aren't the save and submit buttons working on the construction application?

    Due to difference in programs used to edit PDFs, some customers have not been able to use the submit button. If the button does not work for you, first, please check to make sure you have completed all required form fields. If it still doesn't work, please save the PDF and email it to AES Ohio as an attachment. For best results, we recommend customers download the appropriate PDF application and open it in Adobe Reader instead of their web browser.

    Voltage information

    What voltages are available?

    We offer the following alternating current nominal voltages at 60 hertz:

    • Single-phase, 120 volt, two-wire

    • Single-phase, 120/240 volt, three-wire

    • Single-phase, 240/480 volt, three-wire

    • Three-phase, 120/240 volt, four-wire delta

    • Three-phase, 120/208 volt, four-wire wye

    • Single-phase, 120/208 volt, three-wire (available at AES Ohio’s option in downtown Dayton and Troy)

    • Three-phase, 277/480 volt, four-wire wye

    We build and design based on standards listed in AES Ohio's Electric Service Handbook. The standards provide detailed information such as the electric voltage offered, requirements, meters, etc.




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