PUBLIC UTILITIES ADVISORY BOARD AGENDA ITEM
ACTION REQUESTED:
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Recommend approval of the proposed changes to Article B - Service Rules and Policies, Section 18.5 to waive the fee for the transformer upgrade charge to support the installation of a permitted residential electrical vehicle charging station.
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DEPARTMENT: Electric Utility
SUBMITTED BY: Lucy Podlesny, Director
BOARD/COMMISSION REVIEW:
N/A
BACKGROUND:
The number of electric vehicles (EV(s)) registered in Naperville continues to increase, and while incentives for Level 2 and 3 charger installations in Naperville residences was included in the March 2020 Renewable Energy Program changes, the Electric Utility (Utility) continues to look for ways to encourage the adoption of EVs and ensure their chargers are installed in a safe, code compliant manner. As of July 31, 2020, there were 265 Naperville permitted installations of EV chargers and about four times as many electric vehicles registered in Naperville zip codes according to the Illinois Secretary of State. This is especially concerning to the City as the installation of a single EV charger, in many instances, could double the load placed on the electrical infrastructure of the home. If this is not installed properly there is risk to the homeowner and the public.
When seeking a permit for the installation of a Level 2 or Level 3 EV charger it is often necessary, due to the additional electrical load, for a homeowner to pay all the infrastructure upgrade charges related to residential electrical service upgrades. This is consistent with section 18.5 of the Electric Utility Service Rules and Policies. This upgrade may consist of the electrical service wires to the home and the transformer that feeds those wire. The Utility uses a variety of standards to determine the required service wire and transformer size to support the requested electrical service upgrade. Originally, the complete cost was borne solely by the first homeowner's pe...
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