Smart Grid Initiative

The Naperville Smart Grid Initiative is an investment in Naperville’s City-owned utility that will modernize the electric grid using the latest digital technology to increase reliability, reduce operating costs, improve efficiency and reduce waste for our customers.

The Smart Grid Initiative included installation of more than 57,000 smart meters in every home and business in the City along with automation and upgrade of the electric grid backbone. Complete automation of the city’s electric grid, which will provide automatic, computerized meter readings, will enhance system efficiency and reliability, streamline customer billing and increase billing accuracy.

Benefits Of The Smart Grid Initiative

Enhanced Electric Reliability and Redundant Service

Electric line crews are on duty 24 hours a day, 7 days a week. The City of Naperville’s response times to outages are anywhere from 15 to 30 minutes, depending on weather and traffic conditions.

A 2007 report by the utility for the System Average Interruption Duration Index, a performance measurement indicator of service reliability, showed Naperville residents system-wide were only without electrical power for 29 minutes for thew entire year, bettering the U.S. industry average of 54 minutes per customer.

Substation Map - click to enlarge

Naperville Electric Substations

General Information

Population: 145,000

Number of meters: 57,103

Peak demand: 388 MW

Annual energy usage: 1,550,000 MWh

Service Area: 46 square miles

Transmission: 138 kV – 19 Miles; 34.5 kV – 33 Miles

Distribution: Overhead 12.47 kV – 72 Miles

Underground 12.47 kV – 800 Miles (92% URD)

Connection to ComEd Transmission Lines at 7 Locations on South-Central, West, and East sides of City