Electric Vehicle Energy Management System (EV EMS)

Pilot Objective

To test the ability of EV EMS software demand monitoring and load control technologies to regulate the capacity of an (L2) electric vehicle (EV) charger to ensure the maximum load of the EV supply equipment (EVSE) does not exceed the available capacity of the home’s main circuit panel.

Participant Characteristics

There were twelve residential customers enrolled in this pilot — six with an existing EMS device and six who had a new EMS device installed.

Pilot Status

The pilot has successfully concluded. Participant surveys are complete, and final incentives have been distributed. The final report is complete. The executive summary is available here.

Pilot Outcomes

Outcomes from this pilot include:

Customers experience and satisfaction with EV EMS
Charging data assessing whether EV EMS activates as intended when panel is reaching threshold without impacting the car’s ability to reach the driver’s anticipated state of charge
Comparison of costs for EMS devices versus utility make-ready costs involving panel and service upgrades
Estimated market size of homes that may benefit from this technology
Understanding potential failure scenarios

Schedule

BE Pilot	Lead Vendor	Partners	Award Date	Pilot In-Field Start Date	Pilot In-Field End Date
EV EMS	WeaveGrid	Emporia, Treehouse	August 2024	February 2025	October 2025