mako-redispatch 0.2.0

Redispatch 2.0 process engine for German grid congestion management (§§ 13, 13a, 14 EnWG) — coming soon
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mako-redispatch

Status: ⏳ Placeholder — pending redispatch-xml format layer.

Event-sourced process engine for Redispatch 2.0 congestion-management workflows under §§ 13, 13a, 14 EnWG. Part of the mako workspace.

Regulatory scope clarification

This platform does not currently implement a certified Redispatch 2.0 participant role. This crate is a placeholder for future implementation.

The regulatory facts are:

  • Redispatch 2.0 is mandatory for ÜNBs (TSOs) and VNBs (DSOs) under BNetzA rulings BK6-20-059/060/061, effective 2021-10-01.
  • It is not mandatory for suppliers (LF) or metering operators (MSB) in isolation.
  • The MaKo market roles in scope for Redispatch 2.0 are: ANB (Anschlussnetzbetreiber), VNB (Verteilnetzbetreiber), ÜNB (Übertragungsnetzbetreiber), and the technical/market resource operators for CIM-XML data exchange.

If this platform operates only in supplier or MSB role, Redispatch 2.0 is out of scope. If the platform intends to operate as a VNB or ÜNB, this crate must be fully implemented before production deployment. See the CONCEPT.md or your BDEW Marktteilnehmer role definition for scope clarification.

Architecture

Redispatch 2.0 spans three crates:

Crate Responsibility Status
edi-energy IFTSTA status messages (EDIFACT) ✅ Implemented
redispatch-xml XML/XSD format parsing and validation ⏳ Placeholder
mako-redispatch ← this crate Workflow impls, PID routing, deadline handling ⏳ Blocked on redispatch-xml

makod will activate Redispatch 2.0 handling once this crate provides a RedispatchModule that implements EngineModule.

Regulatory basis

Redispatch 2.0 entered into force on 1 October 2021 under the NABEG and applies to all German transmission and distribution system operators. It is the mandatory protocol for coordinating curtailment of generation units to resolve grid congestion.

Key rulings:

BNetzA decision Topic
BK6-20-059 Abrechnungsbilanzkreis
BK6-20-060 Netzbetreiber-Koordination
BK6-20-061 Informationsbereitstellung

The XML schemas are published by BDEW at bdew-mako.de (topicGroupId 25).

Process scope

Unlike GPKE/WiM/GeLi Gas (UTILMD/APERAK-based), Redispatch 2.0 uses:

  • CIM/IEC 62325 XML for primary data exchange (handled by redispatch-xml)
  • IFTSTA (EDIFACT) for status confirmations (handled by edi-energy)

Planned workflows:

Process Parties Direction
Stammdatenübermittlung ANB → VNB → ÜNB ANB sends asset master data
Planungsdaten (Abruffahrplan) ÜNB → VNB → ANB TSO sends dispatch schedule
Verfügbarkeitsmeldung ANB → VNB ANB reports availability
Redispatch-Abrechnung (Kostenblatt) VNB → ÜNB Cost reconciliation

Related crates

Crate Role
redispatch-xml XML format layer (required by this crate)
mako-redispatch ← this crate Process engine
edi-energy IFTSTA status messages
mako-engine Event-sourced workflow runtime