Managing Workplace Charging: Argonne National Laboratory’s Reservation-Based Smart EV Charging Platform
Research

Managing Workplace Charging: Argonne National Laboratory’s Reservation-Based Smart EV Charging Platform

  • Workplaces can utilize reservation systems to promote employee access to chargers and to collect data on charging habits
  • Employees are amenable to smart charge management, desiring appropriate compensation for curtailed charge sessions
  • Among employees using EVrez, 69% use it for more than 70% of their charging needs, using it as a primary charging source
  • Expanding reservation systems to include smart charge management can help prevent site peaks and overloading events
  • Requested miles of charge and beginning and ending state of charge are useful data inputs for third-party SCM programs

Workplace charging is valuable for employees but implementation and management can be complex for employers. Level 2 and DCFC charging can require monitoring and potentially active management to reduce impacts to site demand and prevent additional operating costs. The U.S. Department of Energy’s Argonne National Laboratory (Argonne) developed their workplace charging program, EVrez, to effectively manage more than 340 employees’ access to chargers, using a smart charge management program to prevent site overloading.

This whitepaper highlights how Argonne created an app-based smart charge management program that provides user feedback on charging habits. Through this program, Argonne was able to gather baseline data on employee unmanaged charging habits, use that data to inform its smart charge management (SCM) algorithm, and effectively deploy the SCM to utilize onsite generation and curtailment for demand management. Argonne’s EV charging program, EVrez, can serve as a model for other workplace charging programs.

Authors:

Brittany Blair, Manager—Research & Industry Strategy, SEPA
Garrett Fitzgerald, Senior Director—Transportation Electrification, SEPA
Janne Knieke, Analyst—Research & Industry Strategy, SEPA
Nithin Manne, Software Engineer, Argonne National Laboratory
Jason Harper, Principal Electrical Engineer, Argonne National Laboratory

With Contributions from Project Partners:

Managing Workplace Charging