Get control energy prices (reBAP) for settlement calculations.
Returns balancing energy prices (Regelzonenübergreifender Bilanzausgleichsenergiepreis) received from TSOs via PRICAT messages.
The organization is derived from the X-Engrate-Org-Uid header.
Args: tso_area: Optional filter by TSO control area (e.g., 10YDE-VE-------2) month: Optional filter by month (YYYY-MM format)
Returns: List of control energy price records with interval data
TSO control area filter
Month filter (YYYY-MM)