Wednesday, February 18, 2026

IEC 61850: Realtime Interface Version 2.0 - Why This Matters

Netbeheer (the Netherlands organization of Distribution System Operator) published the Realtime Interface version 1.0 (RTI 1) in 2024.

The revised specification (named RTI 2) has been developed last year and proposed to IEC TC 57 as an additional solution for communication of IEC 61850 information (New Work Item Proposal IEC 61850-8-3).

The one page list of good reasons for the new solution 

The combination of IEC 61850 data model / services and WebSocket protocol
Why this matters

can be found here.

See also:
https://blog.nettedautomation.com/2025/12/long-awaited-christmas-gift-for-smarter.html

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