Implementation, Extension and Provision of a Central Phasor Data Concentrator System with Integrated WAMS Functionality
At a glance
TenneT TSO GmbH is procuring IT services: consulting, software development, Internet and support (CPV 72000000). The notice states an estimated value of €1,200,000 excl. VAT. Procedure type: Negotiated with prior publication of a call for competition / competitive with negotiation.
From the notice
TenneT is a leading European transmission system operator responsible for the safe and reliable transmission of electrical energy over long distances. TenneT’s core tasks include the expansion and maintenance of the transmission grid, the integration of renewable energy sources, and the assurance of grid stability. TenneT’s grid area covers large parts of Germany and the Netherlands and includes both onshore and offshore connections. As an operator of critical infrastructure, the security and reliability of the systems in use are of particular importance. The aim of this tender is to replace the central Phasor Data Concentrator (PDC) at TenneT TSO GmbH (TTG) with a new system supporting PDC functionality, data storage, offline WAMS applications, trend monitoring WAMS applications, and data exchange with external PDCs. The implementation is planned for approximately Q3/2026. TTG’s new concept for PDC and WAMS applications includes in particular the following scope of services: a) Provision of a central PDC to collect and aggregate data streams from at least 400 PMUs and to store this data in a local data storage system. The central PDC shall be capable of forwarding real‑time data to additional clients. b) Provision of a C37.118‑2 client with WAMS applications and long‑term data storage. The client shall receive aggregated data from the central PDC as well as from additional PDCs, store the data in a long‑term database, and make it available for WAMS analysis applications. c) Provision of additional PDCs and WAMS applications for testing and training purposes. The subject of this tender is the procurement of central PDC systems, WAMS applications, user interfaces, laboratory PDCs, and a data historian for TenneT TSO GmbH (TTG) as part of the ENTSO‑E interconnected power system. TenneT TSO GmbH is certified according to ISO 27001. Therefore, only software solutions or equipment that comply with TTG’s Operational Technology security requirements may be offered (OT security and IT security requirements). Tender Documents To participate in the tender, please complete the Non-Disclosure Agreement below and send it via email to: […] Access to the additional tender documents will be granted immediately upon receipt and review of the document. TenneT TSO GmbH will treat the documents you submit and the trade and business secrets contained therein as confidential in accordance with Section 5 of the Sector Ordinance.
Key facts
Each fact is from the official notice, last checked 12 November 2026, 15:30 (UTC+01:00).
- Status
- OpenOfficial notice · checked 12 Nov 2026, 15:30 (UTC+01:00)
- Deadline
- No deadline in the noticeOfficial notice · checked 12 Nov 2026, 15:30 (UTC+01:00)
- Published value
- €1,200,000 excl. VATOfficial notice · checked 12 Nov 2026, 15:30 (UTC+01:00)
- Buyer
- TenneT TSO GmbH, Bayreuth, DEOfficial notice · checked 12 Nov 2026, 15:30 (UTC+01:00)
- Main CPV
- IT services: consulting, software development, Internet and support (CPV 72000000)Official notice · checked 12 Nov 2026, 15:30 (UTC+01:00)
- Procedure
- Negotiated with prior publication of a call for competition / competitive with negotiationOfficial notice · checked 12 Nov 2026, 15:30 (UTC+01:00)
- Lots
- 1Official notice · checked 12 Nov 2026, 15:30 (UTC+01:00)
- First published
- 29 May 2026, 08:41 (UTC+00:00)Official notice · checked 12 Nov 2026, 15:30 (UTC+01:00)
Fact sheet

Lots (1)
Lot LOT-0000: Implementation, Extension and Provision of a Central Phasor Data Concentrator System with Integrated WAMS Functionality
TenneT is a leading European transmission system operator responsible for the safe and reliable transmission of electrical energy over long distances. TenneT’s core tasks include the expansion and maintenance of the transmission grid, the integration of renewable energy sources, and the assurance of grid stability. TenneT’s grid area covers large parts of Germany and the Netherlands and includes both onshore and offshore connections. As an operator of critical infrastructure, the security and reliability of the systems in use are of particular importance. The aim of this tender is to replace the central Phasor Data Concentrator (PDC) at TenneT TSO GmbH (TTG) with a new system supporting PDC functionality, data storage, offline WAMS applications, trend monitoring WAMS applications, and data exchange with external PDCs. The implementation is planned for approximately Q3/2026. TTG’s new concept for PDC and WAMS applications includes in particular the following scope of services: a) Provision of a central PDC to collect and aggregate data streams from at least 400 PMUs and to store this data in a local data storage system. The central PDC shall be capable of forwarding real‑time data to additional clients. b) Provision of a C37.118‑2 client with WAMS applications and long‑term data storage. The client shall receive aggregated data from the central PDC as well as from additional PDCs, store the data in a long‑term database, and make it available for WAMS analysis applications. c) Provision of additional PDCs and WAMS applications for testing and training purposes. The subject of this tender is the procurement of central PDC systems, WAMS applications, user interfaces, laboratory PDCs, and a data historian for TenneT TSO GmbH (TTG) as part of the ENTSO‑E interconnected power system. TenneT TSO GmbH is certified according to ISO 27001. Therefore, only software solutions or equipment that comply with TTG’s Operational Technology security requirements may be offered (OT security and IT security requirements). Tender Documents To participate in the tender, please complete the Non-Disclosure Agreement below and send it via email to: […] Access to the additional tender documents will be granted immediately upon receipt and review of the document. TenneT TSO GmbH will treat the documents you submit and the trade and business secrets contained therein as confidential in accordance with Section 5 of the Sector Ordinance.
Timeline
- 29 May 2026, 08:41 (UTC+00:00): Original notice Notice, version 01 (Contract or concession notice – standard regime). Official notice
Buyer and place
Buyer
TenneT TSO GmbH
Bayreuth, DE
Classification
CPV codes
- 72000000: IT services: consulting, software development, Internet and support
- 48000000: Software package and information systems
- 48100000: Industry specific software package
- 48800000: Information systems and servers
Official documents
No documents found in the indexed notice.
Questions and answers
Who is the buyer?
TenneT TSO GmbH, Bayreuth, DE.
What is being procured (CPV)?
IT services: consulting, software development, Internet and support (CPV 72000000), Software package and information systems (CPV 48000000), Industry specific software package (CPV 48100000) and Information systems and servers (CPV 48800000).
What is the estimated value?
The notice states an estimated value of €1,200,000 excl. VAT.
Is it divided into lots?
No, the notice names a single lot.
Which procedure is used?
Negotiated with prior publication of a call for competition / competitive with negotiation.
How do I submit a bid?
On the official notice or the portal it names. Inteliwert does not submit bids. Official notice
Am I eligible?
Inteliwert does not judge eligibility. The selection criteria are in the official notice. Official notice
Companies that might fit
Possible match based on public information
Companies Inteliwert knows from its sources, not the whole market. Inteliwert does not judge eligibility, fit or chances.
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MünsterSME (from the award notice)ENERGY4U GmbH
KarlsruheSME (from the award notice)Administration Intelligence AG
WürzburgSME (from the award notice)- SME (from the award notice)
viridicon AG
NeuhofSME (from the award notice)New to public tenders
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Source
- Publisher
- Bekanntmachungsservice
- Licence
- CC0 1.0
- Last checked
- 12 November 2026, 15:30 (UTC+01:00)
The official notice is authoritative. Inteliwert shows what the notice states and links to it.