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Standards Development
This document specifies the general principles and framework for integrating Power -to-X (P2X) systems into decentralized energy systems. It establishes an overall reference architecture, actors and roles, functional domains and boundary models, and describ es conceptual coordination patterns between P2X units and higher-level functions such as local energy management systems (LEMS), microgrids, virtual power plants (VPPs), and DSO/TSO operations.
As Part 1 of a multi-part Technical Specification series, this document serves as the reference foundation for subsequent parts addressing more detailed aspects of decentralized P2X integration.
Representative decentralized P2X use cases and an informative mapping to related IEC work are provided in informative annexes. To avoid duplication, detailed device/process engineering and domain-specific product safety requirements are not specified. Inte nded users: manufacturers / integrators; site / LEMS / microgrid operators; aggregators/VPPs; DSOs/TSOs; regulators and certification/conformance stakeholders.
This document (Part 1) establishes common concepts and a reference architecture for integrating Power- to-X (P2X) conversion units and systems into decentralized energy systems, including interaction with LEMS, microgrids, VPP/aggregators, and DSO/TSO cons traint signals. It provides a common framework that enables consistent specification of coordination, operational states, interfaces, and boundary models, serving as the foundation for Parts 2 –7 of the TS series. Justification P2X deployments are rapidly moving from large, centralized plants to decentralized and behind-the-meter environments (buildings, campuses, districts, energy communities), where multi-energy coordination and grid-aware operation become key challenges. Existing standards address domain specific requirements (e.g. , hydrogen safety/product standards, power system communication standards, microgrid concepts) , but do not provide a unified, decentralized coordination-focused framework that treats P2X as a primary building block and defines consistent role/domain/interface boundaries across electricity –hydrogen/gas– heat–mobility–industrial coupling. This Part 1 fills that gap without duplicating device design, process engineering, or domain-specific safety requirements, by focusing on syste m-level coordination and boundary/interface principles
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