IEEE PC37.240/D14, June 2014 is a draft standard focused on cybersecurity requirements for substation automation, protection, and control systems. It is aimed at the power and energy environment, where connected devices and control functions must operate reliably while reducing exposure to cyber risk. For engineers, integrators, and procurement teams, this technical document helps define expectations for security-related design and implementation in critical substation equipment and associated systems.

IEEE PC37.240/D14, June 2014 overview

This draft standard addresses cybersecurity considerations for systems used in substation automation, protection, and control. IEEE PC37.240/D14, June 2014 is relevant where digital relays, control networks, communication interfaces, and automation functions must be protected without disrupting operational performance. It provides a structured technical reference for security-related requirements that may affect design choices, system integration, and evaluation of substation equipment. As an inactive draft, it is primarily useful for understanding the intended scope and technical direction of the document.

Typical use cases

This standard is typically consulted during the design or review of substation automation architectures, protective relaying schemes, and control systems that depend on networked communications. It may support security planning for utility substations, industrial power facilities, and other installations where automation and protection equipment must coexist with cybersecurity controls. IEEE PC37.240/D14, June 2014 is also useful when assessing device interfaces, access control expectations, and secure integration of field equipment into a broader control environment.

Why this standard matters

Cybersecurity requirements are increasingly important in substation environments because a weakness in one component can affect protection, control, or availability across the system. IEEE PC37.240/D14, June 2014 helps establish a common basis for security-related design and review, which can support consistency across projects and suppliers. It is valuable for compliance planning, procurement comparisons, testing preparation, and risk reduction when dealing with automation systems that must remain dependable under operational and cyber-related stress.

• Cybersecurity requirements for substations
• Automation, protection, and control systems
• Networked power system equipment context
• Draft technical guidance for design review
• Inactive IEEE standards reference