TenneT TSO GmbH: public contracts and tenders
TenneT TSO GmbH awarded 117 public contracts worth €309.2M where a value is stated since 2023-11-20; the IT services contract held by con terra GmbH ends on 2026-12-19 (signed + duration). Source: Arcadium Data, data as of .
Awarded value = the award values the notices state (EUR at the notice date), 33 of 117 awards; framework agreements (a ceiling, not spend) and implausible values are left out.
Buyer
| Field | Value |
|---|---|
| Name | TenneT TSO GmbH |
| Country | Germany |
| Buyer type | International organisation |
| City | Bayreuth |
| Sources | EU TED |
Top suppliers
| Supplier | Registry number | Website | Awards | Value won alone |
|---|---|---|---|---|
| MATTHÄI Bauunternehmen GmbH & Co. KG | 4 | €4.0M | ||
| Siemens Energy Global GmbH & Co. KG | siemens-energy.com | 2 | €131.0M | |
| Arvato Systems GmbH | 2 | n/a | ||
| Bieter | 2 | n/a | ||
| Campana & Schott GmbH | 2 | n/a | ||
| Cteam Consulting & Anlagenbau GmbH | 2 | €2.4M | ||
| Drees & Sommer SE | 2 | n/a | ||
| Fichtner GmbH and Co. KG | 2 | n/a | ||
| Hitachi Energy Germany AG | 2 | n/a | ||
| Kiener Kompost GmbH | 2 | n/a | ||
| Landschaftspflege-und Forstdienstleistung | 2 | n/a | ||
| Miebach Schaltanlagen und Montagen GmbH & Co. KG | 2 | n/a | ||
| Obermeyer Infrastruktur GmbH & Co. KG | 2 | €9.5M | ||
| PricewaterhouseCoopers GmbH Wirtschaftsprüfungsgesellschaft | 2 | €12.0M | ||
| ATP Hamburg Planungs GmbH | atp.ag | 1 | n/a |
Suppliers named on TenneT TSO GmbH's award notices (the top 15 of 106); registry number and website where the supplier is linked to its register entry. Winners that could be a private person are withheld.
Contracts ending in the next 18 months
End dates checked against the official notice: 99% right (n=100, 95% CI 94%-100%, 2026-10-26; method).
Award notices of TenneT TSO GmbH whose contract period ends in the next 18 months: the end date the notice states, else its start or signature date plus the stated duration. 25 contracts; a framework's value is a ceiling and is not shown.
Open calls for tender
Calls with a deadline of 2026-10-27 or later (not awarded yet).
Spend by sector (CPV divisions)
| Sector | CPV | Awards | Awarded value |
|---|---|---|---|
| Architecture and engineering services | 71 | 25 | €18.8M |
| Construction work | 45 | 12 | €11.4M |
| Business services | 79 | 10 | €12.3M |
| IT services | 72 | 9 | €12.0M |
| Public utilities | 65 | 8 | n/a |
| Agricultural and forestry services | 77 | 6 | €5.2M |
| Electrical equipment and lighting | 31 | 3 | €137.0M |
| Software packages and information systems | 48 | 2 | €11.8M |
| Financial and insurance services | 66 | 2 | n/a |
| Transport equipment | 34 | 1 | €887k |
| Laboratory and precision equipment | 38 | 1 | n/a |
| Furniture and cleaning products | 39 | 1 | €500k |
Award notices with a named winner, by the main CPV code; value = the total the notices state, in EUR at the notice date; framework agreements (a ceiling, not spend) and implausible values are left out.
Recent awards
Follow this buyer free
Get TenneT TSO GmbH's new calls for tender, awards and contracts ending in a free weekly email (Tender Radar free tier: a saved search for this buyer's name in Germany). The same data is in the REST API and the MCP server.
Sources: EU TED, read through their open-data feeds without logging in. Buyer = contracting authority as named on the notice; notices are grouped by the normalised name and country.
Source: Arcadium Data tenders database, 3,811,022 official public procurement notices from EU TED, UK Find a Tender, UK Contracts Finder and national procurement boards, read through their open-data services (no logins). Winners that could be a private person (sole traders) are withheld; buyers are public bodies. Data as of 2026-10-27.
Questions
How many public contracts has TenneT TSO GmbH awarded?
TenneT TSO GmbH published 117 contract award notices between 2023-11-20 and 2026-10-16; the 33 that state a value add up to €309.2M (official notices, as of 2026-10-27).
Who are TenneT TSO GmbH's biggest suppliers?
By contract awards: MATTHÄI Bauunternehmen GmbH & Co. KG (4), Siemens Energy Global GmbH & Co. KG (2) and Arvato Systems GmbH (2) (as of 2026-10-27). Winners that could be a private person are not named.
Which TenneT TSO GmbH contracts end soon?
25 contracts awarded by TenneT TSO GmbH end in the next 18 months. The soonest with a named holder is the IT services contract held by con terra GmbH, ending on 2026-12-19 (signed + duration) (as of 2026-10-27).
Does TenneT TSO GmbH have open tenders now?
Yes: 13 calls for tender from TenneT TSO GmbH are open today (deadline 2026-10-27 or later) (as of 2026-10-27).
What does TenneT TSO GmbH buy?
Most of TenneT TSO GmbH's awards are in Architecture and engineering services (CPV 71) (25), Construction work (CPV 45) (12) and Business services (CPV 79) (10) (as of 2026-10-27).
Cite as: Arcadium Data, "TenneT TSO GmbH tenders and contracts: 117 awards, suppliers, contracts ending", https://arcadiumdata.io/tenders/buyers/tennet-tso-gmbh-de/, data as of 2026-10-27.