Aligns assets, loads, tariffs, and operational constraints into a single language model.
Welcome to WattSchema
A common language system (ontology) that allows all parts of your data center and energy infrastructure — from software and sensors to people — to communicate clearly and integrate efficiently.
Why Use an Open-Source Ontology?
Data center power systems are increasingly complex — with interdependent infrastructures, distributed energy resources, and strict reliability requirements. An open-source ontology, like WattSchema, unifies every stream of data.
Defines the terms and relationships, enabling different systems to “speak” to each other.
Allows AI agents to interpret data correctly, make smart decisions, and operate optimally.
Get Your Own Machine-Interpretable Source of Truth
Download WattSchema from GitHub for a consistent, machine-readable foundation that supports integration, validation, simulation, analytics, and automation across all vendors and tools. Plus, help WattSchema evolve by contributing to the community.
Have Questions?
You can send questions, comments, or bugs to info@WattSchema.org.
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Standards Alignment
WattSchema was built in alignment with the following existing standards:
- Brick Schema for building and equipment taxonomy
- ASHRAE 223P for physical systems semantics
- QUDT for units and quantities
- OPC UA DI for device metadata interoperability
- W3C OWL/RDF and SHACL for formal modeling and validation
- Preliminary support for Microsoft Fabric