Smart Grid & Automation • AMI Software
Head End System (HES) for smart metering
The software that talks to every meter in your network, collecting reads, managing communication, pushing firmware and monitoring fleet health in real time.
A Head End System (HES) is the software platform that connects a utility directly to its smart meters. In an advanced metering infrastructure, the HES is the operational layer: it collects meter reads on schedule, manages the DLMS/COSEM communication sessions with each meter, pushes firmware updates over the air, carries out remote commands and monitors the health of the entire fleet in real time. Think of it as mission control for the meters. Enerzolve’s HES is built and supported in India as part of one integrated AMI platform, managing energy and water meters together so a utility reads and controls its whole fleet from a single system. It works alongside the data layer, the Meter Data Management System, which turns the reads the HES collects into billable information.
What the Enerzolve HES does
Everything needed to run a smart meter fleet, in one real-time platform.
Scheduled data collection
Collects reads from every meter on schedule or on demand, with retries and gap handling so the utility has a complete, current dataset.
DLMS/COSEM communication
Manages communication sessions with each meter over the open DLMS/COSEM protocol across RF Mesh, PLC and cellular networks.
Over-the-air firmware upgrades
Pushes firmware updates to meters remotely so the fleet stays current and secure without field visits.
Remote commands
Executes remote connect and disconnect and configuration changes, cutting truck rolls and speeding up service changes.
Real-time fleet health
Shows which meters are online, which missed a read and the status of DLMS sessions across the whole network, live.
Secure and interoperable
Built on open standards with role-based access and encryption so the deployment stays secure and free of vendor lock-in.
Where the HES fits
The HES is the meter-facing layer; it talks to the devices. The data it collects is then validated and turned into billable determinants by the Meter Data Management System (MDMS). Together they form the software backbone of a complete advanced metering infrastructure. For a full breakdown of how the two differ, read our guide on HES vs MDMS.
HES vs MDMS: what’s the difference?
The HES handles the meters; the MDMS handles the data. Our guide explains how the two layers work together in an AMI deployment.
See the HES in action
Talk to our team about your meter fleet, communication network and integration needs.
Frequently asked questions
What is a Head End System (HES)?
A Head End System (HES) is the software platform in an advanced metering infrastructure that communicates directly with smart meters. It collects meter reads on schedule, manages communication sessions, pushes firmware updates over the air, carries out remote commands and monitors the health of the entire meter fleet in real time.
What is the difference between an HES and an MDMS?
The Head End System communicates with the meters and manages the fleet in real time, handling collection, firmware and fleet health. The Meter Data Management System processes that collected data into validated, billable information. The HES handles the meters; the MDMS handles the data.
Does Enerzolve's HES support DLMS/COSEM?
Yes. Enerzolve's HES uses the DLMS/COSEM protocol to communicate with meters, which keeps the deployment interoperable and helps avoid vendor lock-in as it scales.
Can the HES manage both energy and water meters?
Yes. Enerzolve's HES is part of a platform that manages both energy and water meters, so a utility can run its entire fleet through one Head End System rather than separate systems.
What functions does an HES perform?
An HES collects meter reads on schedule, manages DLMS communication sessions, pushes over-the-air firmware upgrades, executes remote connect and disconnect commands and monitors fleet health such as which meters are online and which missed a read.