Market-based procurement of reactive power in accordance with Section 12h EnWG

Online procurement calendar

The following procurement regions were established for market-based procurement of reactive power (as of 12/2025):

Contact to the TSOs

If you have any questions about the model contract for the market-based procurement of reactive power, please contact the responsible TSO.

You can also find the allocation of the individual substations to the procurement regions in tabular form here. 

The phasing of procurement is currently planned or has already taken place as follows:

The above information represents the current, non-binding planning status as of December 2025  and will be updated as required. The specific products, provision periods, requirements and other information relevant to procurement will be published on the website of the respective TSO as part of the announcement at the times specified above.

Procurement and publications:

• 50 Hertz Transmission GmbH (German)
• Amprion GmbH (German)
• TenneT TSO GmbH (German)
• TransnetBW GmbH (German)

Q&A on market-based procurement of reactive power

Here the 4 TSOs regularly publish anonymized answers to provider questions that are of general interest. Provider questions can be addressed to the network operators using the contact details below.

The provider questions are published in tabular form, with new publications including previous questions and answers. Previous answers may be supplemented with clarifications in new publications; this will then be indicated separately.

• First publication of supplier questions on August 8, 2025 (in German):
  Q&A Beschaffungsverfahren Blindleistung

Contact to the TSOs

Interested parties are welcome to contact the responsible TSO if they have any questions about the market-based procurement of reactive power:

Further Information (in German)

Determination pursuant to Sections 12h (5), 29 (1) EnWG on the specifications and technical requirements for the transparent, non-discriminatory and market-based procurement of the non-frequency-bound ancillary service “voltage regulation services” (“reactive power”).