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n:lead is BKV, and supplies Cloover through its Bilanzkreise. What the bridge may do - which Bilanzkreise, how much power, which Zeitreihentypen a Netzbetreiber may activate, until when the trader takes orders - comes from contracts. The bridge keeps them: the contract itself (type, partner, status, term - see the console) and what it says, in Fassungen.

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Fassungen

A Fassung is a contract’s content from a day on.
  • A change is a new Fassung from the day it applies. The Fassung before it ends the day before, by itself. A new Fassung starts after every Fassung there is.
  • A Fassung in force is never edited. One not yet in force can be withdrawn; the one before it gets its end back.
  • What applies on a day is the Fassung covering it - of a contract that is aktiv and whose term covers the day. Content of a contract not in force counts for nothing.
  • A Fassung can start in the past - entering a contract that has run since August, say. The event says it was recorded retroactively.

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The contracts and what they say

Each Unterbilanzkreis in a Bilanzkreisvertrag: The Zuordnungsvereinbarung and the Messstellenbetreiberrahmenvertrag carry no content. A new contract’s first Fassung starts from what the bridge is configured with: the Bilanzkreis and the Unterbilanzkreise of the Regelzone, the trader’s deadline and horizon. Entering the contract is then confirming the configuration - or saying where it differs.

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What applies, and what differs

GET /v1/process/vertragslage?tag= gives, per contract type and partner, whether the contract is in force on the day and the content of the Fassung covering it - one answer for the bridge, the routines and the console. GET /v1/process/vertragspruefung?tag= holds the contracts against what is: Every hour the bridge checks today and tomorrow. A new difference or breach is reported once, as the event vertragsbefund (a breach alerts High, a difference Normal); a finding that is gone is forgotten, so it can come back. A missing contract is the console’s business, not an alarm.

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Next

The contracts are the basis for what the bridge may do. Next, the workflows take their values from the Fassung in force - the trader’s deadline and horizon, the home Regelzone, the Unterbilanzkreise - instead of the configuration, and gates come on as each contract’s content is entered: a schedule beyond the maximum power, a ZOE for a Zeitreihentyp the Netzbetreiber’s contract does not allow.

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Endpoints

partner is the Regelzone for a Bilanzkreisvertrag, the trader’s Bilanzkreis (EIC) for a Händlervertrag, else the MP-ID. Recording a Fassung sends nothing to anyone.