Information on this page is for customers in 

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Underground Cable Modernization

The Underground Cable Modernization Program (UCMP) is designed to modernize and increase the capacity of the existing underground transmission cable systems by replacing existing fluid-filled cable with cross-linked polyethylene cable.

This modernization helps mitigate the risk of potential supply obsolescence and reduces the occurrence of unplanned outages which may require the need for emergency replacement or repair.​ This is a more environmentally friendly and widely available technology with a greater life expectancy.

The new polyethylene cable requires less maintenance and minimizes the impact to customers and property owners along the project route.​

Pictured: A double circuit duct bank (a protective system for our cables housed in PVC conduits) is being constructed. This photo shows the conduits before concrete is poured over them, which will result in a concrete-encased duct bank where 115-kV transmission cables can be pulled through.

The Projects

You can view more detailed information about the work being done on each city's project page.