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Frequently Asked Question
Electric Cable Replacement Program 

Project Overview...

Electrical Equipment...

Electrical Outages...


Project Overview

Can you explain what this project will entail?
The cable installation is part of the city’s on-going Cable Replacement Program. The installation project will be completed in three phases and will result in improved electrical service for Naperville utility customers.  New electrical underground conduit will be installed, which will house the new cables and upgrade the city’s aging system.

In which subdivisions will the new cable be installed?
The city’s Department of Public Utilities-Electric will begin the installation of new underground electrical cable in four Naperville subdivisions: Old Farm Five, West Glens, Indian Hill and Saybrook.

How long will the project take to complete?
The conduit installation is scheduled to take approximately 18 months to complete, depending on weather conditions.  The total anticipated time frame for all four subdivisions to be completed and fully operational on the new electrical system is 24 months.

Will residents be notified when crews will begin working on their property?
Homeowners will be notified in advance when crews will begin working in their neighborhoods. Crews will need access to backyards and utility easements.

Will the city repair any landscaping that is disturbed during the installation work?
The city’s contractor will restore any landscaping that has been disturbed once the installation work is complete.

Will my underground sprinkler system be damaged by the vehicle traffic?
The city encourages residents to clearly mark underground sprinkler systems with white spray paint and white flags. The city’s contractor will repair any damage that occurs during the installation work if it is properly located with white spray paint and white flags. A tolerance zone of 18" on either side of the locate marks will be granted for incorrectly located sprinkler systems.

Will my underground dog fence be damaged by this construction?
As with sprinkler systems, the city encourages residents to clearly mark underground dog fences with white spray paint and white flags. The city’s contractor will repair any damage that occurs during the installation work if the fence is properly located with white spray paint and white flags.  A tolerance zone of 18” on either side of the locate marks will be granted for incorrectly located dog fences.

Will my fence be damaged during this construction work?
The city’s contractor will carefully work around homeowners’ fences. The city’s contractor will repair any damage that occurs during the installation work.


Electrical Equipment

How does the city determine where transformers are installed?
The city carefully selects where it will place equipment and aims to place replacement equipment as close to the original equipment as possible. The placement is also determined by the position of the underground electrical system.

Why is there going to be an additional pedestal installed on my easement?
The placement of an additional pedestal will ensure that all connections from a residence can be made to the pedestal, decreasing the need to splice cable. This will also decrease the outage time by several hours.

How will the transformers be moved off of and onto my property?
Both the old and new transformers will be installed and removed using a specialized type of equipment called a rear lot machine. A rear lot machine is specially designed to fit in tight areas and the machine’s weight is evenly distributed to prevent damage to your property. 

Can I plant bushes in my easement to conceal the electrical equipment?
Residents can plant bushes to conceal the electrical equipment as long as they are at least 10 feet away from the front of the transformer and 5 feet away from the side of the transformer.  Please keep in mind that this clearance should be calculated from when the bush will be fully matured.


Electrical Outages

Will residents experience any electrical outages?
City crews will transition power from the old electrical system to the new system. Homeowners may experience short outages during the conversion, but they should be minimal (1-3 hours) and the city will work to restore power as promptly as possible.

Do I need to shut off my computer when crews are working in my neighborhood?
It is not necessary to shut off your computer when crews are working in your neighborhood. However, the city encourages residents to save their work often. If an electrical outage occurs while you are working on your computer, it will not be any different from when you accidentally turn off your computer with out properly shutting down the system.

How will I get out of my garage if there is an electrical outage?
Most garage door openers are equipped with an emergency pull chord, which will allow for manual operation of the garage door. Residents can also pull their vehicle out of the garage prior to the outage.  Residents will be notified when crews will begin the conversion from the old system to the new system in their area.

I run a business out of my home. Will the city work with me to schedule when the system conversion will take place in my area?
The city understands that there are some residents who use their home as a home office.  Residents, who would like to work with the city to schedule the conversion in their area, are encouraged to contact City Dispatch at (630) 420-6187.