Charge Point Management System (CPMS)

Learn what a Charge Point Management System (CPMS) is and why it requires a physical execution layer to meet NEVI uptime standards.

Definition of Charge Point Management System (CPMS)

As the global transition to sustainable infrastructure accelerates, the complexity of managing distributed energy assets grows. For anyone operating an Electric Vehicle (EV) charging network, a Charge Point Management System (CPMS) is the essential software "brain" that enables the management, monitoring, and control of charging stations at scale.

Without a CPMS, a charging network is just a collection of disconnected hardware. With it, an operator gains the visibility needed to handle everything from user payments to real-time grid balancing. However, while a CPMS is perfect for running the charging experience, it is not a complete solution for operational resilience.

What is the primary function of a CPMS?

The Direct Answer

CPMS is a cloud-based software platform that acts as the centralized interface for charge point operators (CPOs) to remotely manage their network. Its core functions include user authentication, billing and payment processing, real-time station monitoring, and load management to prevent grid overload.

Most CPMS platforms communicate with charging hardware using the Open Charge Point Protocol (OCPP), which allows for interoperability between different hardware brands.

Key capabilities of a CPMS include:

  • Remote Monitoring: Site managers can check the live status of every charger to ensure they are "Available" for users.
  • Automated Billing: The system handles complex tariffs, processing payments through credit cards, mobile wallets, or RFID cards.
  • User Access Control: Essential for private fleets or workplace charging, allowing operators to restrict access to authorized drivers only.
  • Load Balancing: Automatically adjusting power output across multiple chargers to match the site's available electrical capacity.

Is CPMS enough for EV charger maintenance?

The Direct Answer 

A CPMS manages the digital layer of the charging session, but it cannot handle the physical layer of maintenance. While it can alert you that a charger is "Offline", it cannot dispatch the right certified technician, track spare parts in a van, or enforce high-voltage safety protocols.

This is the "Physical Reality Gap”. In the high-stakes world of NEVI (National Electric Vehicle Infrastructure) compliance, a CPMS can identify a fault, but it cannot document the "story" of the repair.

Where CPMS tools fall short:

  • Technician Dispatch: They don't know who is nearby, available, or certified to touch high-voltage equipment.
  • Spare Parts Management: They don't track the inventory of cables or circuit boards sitting in a technician's van.
  • Regulatory Proof: A CPMS provides a timestamp, but it doesn't capture the photos and signatures required for a federal audit.

The Physical Execution Layer

To achieve true Operational Resilience, operators must integrate their CPMS with a Physical Execution Layer like FieldEx. While the CPMS detects the failure, FieldEx manages the resolution – ensuring the "five-minute alert" doesn't turn into a two-day outage.

By combining the digital intelligence of a CPMS with the physical rigor of FieldEx, you move from just "monitoring" your infrastructure to truly maintaining it.

Keen to see how FieldEx works? Book a free demo, or get in touch. We're here to help.