Telecontrol and Telemetering Standards: Boosting Automation, Security, and Interoperability in Modern Telecommunications

As the digital transformation of critical infrastructures accelerates, the requirements for secure, reliable, and interoperable communication in telecontrol and telemetering systems become more important than ever. For utilities, telecommunications providers, industrial operators, and smart grid stakeholders, international standards provide the foundation for safe and efficient integration, monitoring, and automation. This article explores four pivotal standards in the telecommunications field—IEC 62351-7:2025, IEC TR 61850-1-1:2026, IEC TR 61850-80-5:2026, and IEC TR 62746-2:2025—detailing how each contributes to productivity, cybersecurity, seamless data exchange, and scaling for next-generation networks.

Overview / Introduction

Telecontrol and telemetering are at the core of modern telecommunications, enabling remote command, real-time data gathering, and comprehensive monitoring across dispersed assets and networks. As new technologies such as smart grids, distributed energy resources, and IoT devices proliferate, managing complex, interconnected systems has never been more challenging—or promising.

International standards provide businesses with structured frameworks, guidelines, and specifications that underpin secure data exchange, system management, and interoperability. Regulatory compliance is rapidly evolving from a competitive advantage to a necessity, driving operational efficiency, lowering costs, and enabling reliable integration of cutting-edge solutions. In this guide, we demystify four advanced standards that are reshaping telecontrol and telemetering, and explain why their adoption is critical to unlocking enhanced security, productivity, and scalability in a connected world.

What you’ll learn:

• Deep-dive introductions and highlights of four leading telecontrol and telemetering standards

• Why these standards form the backbone of future-proof telecommunications architecture

• Key benefits, compliance considerations, and proven implementation approaches

• Industry impact and practical resources for ongoing digital transformation

Detailed Standards Coverage

IEC 62351-7:2025 – Secure Network and System Management Data Objects for Power Systems

Power systems management and associated information exchange - Data and communications security - Part 7: Network and System Management (NSM) data object models

Modern electric power systems rely on digital infrastructures composed of communication networks, automation protocols, and intelligent electronic devices (IEDs). IEC 62351-7:2025 lays the foundation for comprehensive monitoring, health assessment, and security management of these digital environments, introducing NSM (Network and System Management) data models built specifically for power system operations.

What does this standard cover?

• Defines NSM data objects tailored for monitoring and managing networks supporting critical infrastructure

• Addresses health, security status, and environmental performance of IEDs, RTUs (Remote Terminal Units), Distributed Energy Resources (DERs), and other vital devices

• Aligns power system-specific device monitoring via abstract data models (mirroring protocols like IEC 61850 and IEC 60870-5-104) while accommodating protocol derivatives such as IEEE 1815 (DNP3)

• Maps these object models into standard SNMP (Simple Network Management Protocol) Management Information Bases (MIBs), integrating with existing IT network management tools

Key requirements and features:

• Expanded and refined NSM object data model using UML descriptions

• Explicit mapping to SNMP MIBs for seamless integration with network operations centers

• Passive and active intrusion detection guidelines for heightened cybersecurity

• Standardized identifiers, data types, and event notification structures

• Secure monitoring of physical and network interfaces (Ethernet, USB, serial, etc.)

Who should comply?

• Utilities and operators of power transmission and distribution networks

• Vendors of IEDs, substation automation systems, and DER controllers

• Telecom and SCADA (Supervisory Control and Data Acquisition) system integrators

Practical implications: Businesses implementing IEC 62351-7 achieve consistent, proactive detection of faults, attacks, and data anomalies across complex infrastructure. The standard’s harmonization with SNMP ensures compatibility with existing network management ecosystems, enabling scalable and cost-effective system oversight.

Key highlights:

• Unified network and system monitoring for robust cybersecurity

• Interoperable NSM data objects bridge IT and OT environments

• Strengthened incident detection and response through standardized object models

Access the full standard: View IEC 62351-7:2025 on iTeh Standards

IEC TR 61850-1-1:2026 – Introduction and Overview of IEC 61850 for Power Utility Automation

Communication networks and systems for power utility automation - Part 1-1: Introduction and overview

As digitalization sweeps through substations and smart grids, IEC 61850 has emerged as the gold standard series for standardizing communication between intelligent devices. IEC TR 61850-1-1:2026 serves as the introductory reference and umbrella for the family, laying out the philosophy, objectives, and architectural foundations for power utility automation systems (PUAS).

What does this technical report cover?

• Outlines scope, system requirements, and goals for all IEC 61850 standards

• Establishes key terminology (e.g., IEDs, logical nodes, abstract service interfaces)

• Details interoperability, interchangeability, and the evolution toward open protocols

• Describes the standardization approach, structure, and documentation methodology

• Maps data modeling concepts—including communication services, engineering processes, and conformance testing

• Presents updated namespace concepts and quality assurance processes

Key updates for 2026:

• Expanded namespace concept descriptions

• Corrections and bibliographic references for improved traceability

• Maintenance and quality assurance guidelines

Who should comply?

• Power utilities and grid operators

• Automation engineers and system integrators

• Equipment manufacturers and developers deploying digital substations

Practical implications: Stakeholders in power automation gain a clear, actionable roadmap for mutual device interoperability and upgrades. By unifying communication models, IEC 61850-1-1 raises efficiency and scalability while lowering lifetime management costs for PUAS.

Key highlights:

• Establishes a universal framework for integrating IEDs and systems

• Clarifies roles, data models, and engineering processes

• Accelerates adoption of digital substation best practices

Access the full standard: View IEC TR 61850-1-1:2026 on iTeh Standards

IEC TR 61850-80-5:2026 – Mapping Information Between IEC 61850 and Modbus Protocols

Communication networks and systems for power utility automation - Part 80-5: Guideline for mapping information between IEC 61850 and IEC 61158-15

Integrating legacy and modern communication protocols is a perennial challenge in industrial automation and smart grid modernization. IEC TR 61850-80-5:2026tackles this with a robust guideline for mapping information between IEC 61850 (used widely in contemporary utility automation) and IEC 61158-6-15 (Modbus, including Modbus TCP and Modbus RTU), via gateway devices.

What does this standard cover?

• Provides a standardized framework for configuring gateways that facilitate operational data exchange between Modbus and IEC 61850-based systems

• Supports system integration without requiring protocol modifications

• Specifies which data attributes and control directions can be mapped

• Describes XML-based mapping tools to automate configuration, enhancing efficiency and reducing errors

• Outlines engineering workflows and SCL (Substation Configuration Language) extensions for seamless integration

Key requirements and features:

• Conceptual architecture for bi-directional data flow between Modbus and IEC 61850

• Explicit mapping of logical devices, events, status, and control signals

• Guidelines for handling alarm grouping, suppression, and command blocking

• Principles for handling data quality, timestamps, and conversion functions

• Flexibility to accommodate vendor-specific or user-defined mappings outside the standard scope

Who should comply?

• Utilities and integrators managing mixed-protocol environments

• Vendors deploying IEC 61850 and Modbus automation devices

• System architects orchestrating upgrades of industrial or energy systems

Practical implications: IEC TR 61850-80-5 reduces integration risks and maximizes value from both legacy and modern assets. Automated gateway configuration streamlines commissioning and maintenance, ensuring consistent data semantics and reliability in telemetering applications.

Key highlights:

• Empowers cost-effective, scalable interoperability between legacy and advanced networks

• Automates gateway configuration to lower manual engineering effort

• Enables unified monitoring and control—vital for efficient grid operation

Access the full standard: View IEC TR 61850-80-5:2026 on iTeh Standards

IEC TR 62746-2:2025 – Use Cases for Smart Grid and Customer Energy Management System Interfaces

Systems interface between customer energy management system and the power management system - Part 2: Use cases

With rising demand for energy flexibility and smarter consumption, the interface between customer energy management systems (CEMS; e.g., smart homes/buildings) and power management systems is critical for utilities, aggregators, and consumers alike. IEC TR 62746-2:2025 provides a comprehensive set of use cases and architectural models that underpin this interaction, promoting robust interoperability and seamless data exchange in dynamic smart grid contexts.

What does this technical report cover?

• Defines logical architecture models for interfaces across the full smart grid–smart building chain

• Presents a rich catalog of user stories and scenarios covering grid flexibility, demand response, and generation/consumption management

• Describes communication flows, message exchanges, and data models to support use cases such as tariff synchronization, DER (Distributed Energy Resource) integration, load control, and emergency response

• Includes regular updates to reflect fast-evolving technology and user needs

Key requirements and features:

• Modular, scenario-based approach for extensibility as new smart home and grid solutions arise

• Neutral interface and message definitions for vendor-agnostic integration

• Coordination with IEC technical committees to align interfaces and data exchange conventions

• Use cases span flexibility trading, microgrid operations, emergency controls, building-level energy optimization, and more

Who should comply?

• Smart grid operators, distribution system operators (DSOs)

• Aggregators and service providers supporting energy flexibility markets

• Solution developers and manufacturers of smart home/building systems

• Policymakers and analysts defining future energy market mechanisms

Practical implications: IEC TR 62746-2 equips stakeholders with blueprints for real-world deployments, supports scalable automation, and helps align regulatory and business incentives for digital energy transformation.

Key highlights:

• Facilitates secure, reliable, and customer-focused smart energy management

• Regularly updated to support evolving energy flexibility markets

• Enables harmonized integration of retail, aggregation, and grid operations

Access the full standard: View IEC TR 62746-2:2025 on iTeh Standards

Industry Impact & Compliance

Adopting telecontrol and telemetering standards is now indispensable for organizations seeking secure, scalable, and reliable telecommunications and power automation. With complex digital ecosystems involving legacy systems, IoT assets, data-driven control, and heightened cybersecurity threats, the cost of non-compliance is climbing:

Benefits of adopting these standards:

• Productivity: Standardized communication and monitoring reduce downtime, streamline operations, and simplify system expansions.

• Security: Embedded guidelines enable proactive identification of threats, unauthorized access, and data anomalies—crucial for critical infrastructure protection.

• Interoperability: Harmonized object models and gateway specifications enable the integration of diverse devices and protocols from multiple vendors.

• Scalability: Abstracted data models and flexible mappings make it easier to scale networks and add new functionality while maintaining compliance.

Risks of non-compliance:

• Data silos and integration bottlenecks

• Increased vulnerability to cyber-attacks

• Higher operational costs due to fragmented management

• Reduced agility in responding to changing market or regulatory requirements

Regulatory landscapes are increasingly mandating adherence to frameworks like IEC 61850 and IEC 62351 to ensure national and cross-border system reliability.

Implementation Guidance

1. Readiness Assessment:

• Conduct gap analyses on legacy and new infrastructure

• Consult with standards and cybersecurity professionals

2. Strategic Planning:

• Prioritize systems for IEC 61850 family upgrades

• Identify pain points in protocol interoperability, security management, and data aggregation

3. Phased Implementation:

• Begin with high-impact areas (e.g., substation upgrades or integration points)

• Use gateways as outlined in IEC TR 61850-80-5 to bridge legacy (Modbus) and new automation networks

• Rely on use case-driven models from IEC TR 62746-2 to inform interface design and validation

4. Training and Documentation:

• Leverage IEC TR 61850-1-1 for comprehensive onboarding and cross-team education

• Document mappings, SCL configurations, and NSM policies

5. Ongoing Monitoring and Compliance:

• Implement SNMP-based management for real-time system health as per IEC 62351-7

• Monitor for updates and revisions to maintain organizational alignment with evolving standards

Resources for organizations:

• iTeh Standards platform (search, download, implementation guidance)

• Vendor and integrator training courses

• Collaborative forums and IEC working groups

Conclusion / Next Steps

Telecontrol and telemetering standards are the backbone of secure, efficient, and future-proof telecommunications and automation networks. IEC 62351-7:2025, IEC TR 61850-1-1:2026, IEC TR 61850-80-5:2026, and IEC TR 62746-2:2025 together enable organizations to confidently deploy, monitor, integrate, and optimize the next generation of smart grids, energy management systems, and automation infrastructure.

Key takeaways:

• Compliance with international standards is not just about regulatory box-ticking; it is the engine driving productivity, scalability, and resilience.

• These standards demystify complex integrations, boost security, and provide clear frameworks for managing digital transitions.

• Whether modernizing substations, bridging legacy and new protocols, or deploying advanced customer energy management, adoption is critical.

Recommendations:

• Start with a clear assessment of existing systems.

• Leverage the frameworks and use cases in these standards for practical, stepwise upgrades.

• Explore detailed documentation, guidance, and full standards on iTeh Standards.

Embrace the standards-driven future and unlock the full potential of your telecommunications and telecontrol systems.