System Average Interruption Duration Index (SAIDI) Outage in Minutes. SAIDI is the average outage duration for each customer served, and is calculated as the sum of all customer interruption durations divided by the total number of customers served . SAIDI is measured in minutes or hours over the course of a year, and according to IEEE Standard 1366-1998 the median value for North American utilities is approximately 1.50 hours.

This dataset quantifies watermain leaks discovered during surveys of the water system utilizing acoustical listening devices. From 2013-2017 a single City-wide survey was conducted per calendar year. Beginning in 2018 two City-wide surveys were completed.

Number of Joint Utility Locating Information for Excavators (JULIE) Requests Serviced by Electric Utility per month

The City's outstanding debt service schedule. The dataset includes annual principal and interest payments for all outstanding debt.

This includes all the City's sales tax receipts including both the one percent state collected portion and the City's home rule sales from 2005 through present. The information is broken down by when the dollars were collected by the state and when the dollars were distributed to the City.

This is a dataset to power the "Retail Centers" goal for Economic Development.

Citywide holistic level view of demographic data of current employees showing age ranges, tenure ranges and gender.

Naperville's Electric Customer Classification.

Comparison of residential electric usage (consumption in megawatts per year) versus non-residential (i.e., commercial) electric usage (consumption in megawatts per year)

This is a dataset to power the "Anchor Stores" goal for Economic Development