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Pierre Segonne edited this page Sep 27, 2022 · 1 revision

The goal of the working group is as stated in the scope:

This working group focuses on creating a specification for raw power system data, usually retrieved from Power System Operators.

With the goal of:

This common standard shall facilitate a systematic and more accurate approach to report grid emissions. It should further enable grid decarbonisation pathways and decision-making.

The envisioned deliverable to make this happen is the development of an open and shared interface for reporting raw power system data. The definition of this interface must nevertheless rest on a realistic and descriptive specification of grid topologies and power data types.

For this reason, the working group is organised within three workstreams. They are:

graph TD;
    Topology-->Interface;
    Datatypes-->Interface;
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  1. Topology / graph model workstream

    • End deliverable: The topological graph model that will be used for the data. The model is an abstract description of a grid and can be applied across any grid configuration (market + location agnostic model).
    • Questions to answer:
      • What and how many levels of abstraction should we use?
      • How does it map to CIM/CGMES?
      • ...

  2. Data types + specifications workstream

    • End deliverable: A comprehensive list of all data types/kinds needed in the model, as well as the respective properties (dynamic/static, etc.).
    • Questions to answer:
      • How many data types should we specify?
      • How do we split up and define the data types?
      • What is the right level of granularity?
      • When / how should we include carbon data (if any)?
      • ...

  3. Data interfacing workstream

    • End deliverable: A fully-defined API (interface) spec that describes how to get data from the data, and what data should be served by each request.
    • Questions to answer:
      • Is it flexible / intuitive enough for adopters e.g. TSOs?
      • How many endpoints should we specify?
      • What is the best interface (Rest API, GraphQL...)?
      • How do we aggregate?
      • How does the interface deal with missing values?
      • ...
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