Get control energy prices (reBAP) for settlement calculations.
Returns balancing energy prices (Regelzonenübergreifender Bilanzausgleichsenergiepreis) received from TSOs via PRICAT messages.
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 EIC Y code filter. DE values: '10YDE-VE-------2' (50Hertz), '10YDE-RWENET---I' (Amprion), '10YDE-EON------1' (TenneT DE), '10YDE-ENBW-----N' (TransnetBW).
Month filter (YYYY-MM). Example: '2026-01'.