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Securing supply and a better connection for the region

Demand for gas transmission capacity in Baden-Württemberg is steadily rising. And we are reacting to this trend by developing our gas transmission system in line with demand.

For Baden-Württemberg, the Gas Network Development Plan (German: NEP Gas) plans to connect the Ludwigsburg/Enzkreis region to the "Schwaben pipeline" gas transmission system.

Through the Neckarenztal pipeline, we can sustainably increase the security of supply in Baden-Württemberg and in particular in the Ludwigsburg/Enzkreis region for both gas and electricity – also at peak load times.

In addition to this, connection to the west European transmission system via Trans Europa Naturgas Pipeline (TENP) is secured and improved by connecting to the Nordschwarzwald pipeline. Construction of the Neckarenztal pipeline began near the community of Wiernsheim at the beginning of March 2022 and will be continued eastwards via Eberdingen, Vaihingen a. d. Enz, Oberriexingen, Sachsenheim and Bietigheim-Bissingen to south of Löchgau. The new pipeline was put into operation in December 2022. Work to restore areas is scheduled for completion at the end of 2023.

On-site visit at the "Neckarenztal pipeline (NET)"

terranets bw provides an insight into the work to restore used areas after the pipeline construction.

After a construction period of around nine months, terranets bw officially put the NET into operation.

Tag der offenen Baustelle

On 9 July 2022, a "Construction Site Open Day" in Sachsenheim gave numerous interested people the opportunity to visit the NET construction site and inform themselves about the infrastructure project.

Get an insight into how the protection of lizards is ensured during the construction of the "NET".

Groundbreaking ceremony for NET

Groundbreaking ceremony for the new gas pipeline "Neckarenztal pipeline (NET)" in March 2022 near Wiernsheim

Project overview

winter 2022

After commissioning, terranets bw uses the pipeline for gas transmission.

spring 2022

On receipt of the planning permission decision and all pipeline rights, terranets bw begins constructing the pipeline.

autumn 2021

terranets bw carries out further preparatory measures for constructing the pipeline, such as erecting pipe storage places and archeological excavations. 
cf. presse information of 23.09.2021

autumn 2020

terranets bw begins preparing for pipeline construction with, for example, wildlife conservation and archeological surveys. 

2019/2020

Acquisition of pipeline rights
terranets bw agrees on pipeline rights with affected land owners and farmers.
(cf. What rights and obligations does terranets bw have when using land plots?)

Data and facts

28 km
pipeline length
50 cm
pipe diameter
80 bar
pipeline operating pressure
10 m
Protective strip
along the pipeline

NET – insights into the construction project

Netzausbauprojekte: Neckarenztalleitung - Dialogmark

Early, voluntary puplic participation as part of five dialogue markets in March 2019: roughly 2/3 of the comments noted could be taken into consideration during the planning of the pipeline route.

Netzausbauprojekte: Neckarenztalleitung - Drohne

The route is carefully planned and with respect for the environment and local residents, including wildlife conservation mapping and topographic surveying.

Netzausbauprojekte: Neckarenztalleitung - Ausgabung

Numerous preparatory measures begin more than two years prior to the actual pipeline construction. This includes archeological surveys carried out in cooperation with the State Office for the Preservation of Monuments with the aim of documenting findings and maintaining their value as cultural assets. Here: excavations at Großsachsenheim in October 2021.

Netzausbauprojekte: Neckarenztalleitung - Rohrproduktion

A view behind line pipe production – the roughly 16-metre-long and approx. 2.5 tonne pipes undergo a range of safety tests and leave the factory in Hamm/Westfalen only after they are certified by TÜV.

Netzausbauprojekte: Neckarenztalleitung - Rohrlagerplatz

A total of five storage places for the line pipes are erected in the regions along the pipeline route. Delivery of the pipes began in November 2021.

Neckarenztalleitung Baggerbiss

At the beginning of March 2022, construction of the "NET" began officially with the so-called "digger bite" near the community of Wiernsheim.

[Translate to English:] Baubeginn der NET: Der Spatenstich

On 16 March 2022, terranets bw celebrates commencement of NET´s construction with a symbolic groundbreaking ceremony at the newly errected gas pressure control and metering system near Wiernsheim. Christoph Kröhnert, NET project manager, Karlheinz Oehler, mayor of the Wiernsheim community at that time, Andreas Dötsch, senior construction manager of  ARGE NET, and Thomas Beyer, CEO of  Anton Meyer GmbH & Co. KG performed the groundbreaking ceremony together. 

[Translate to English:] Baubeginn der NET: Der Rohrgraben

The NET construction is implemented as a line construction site. This means single work processes are efficiently performed following the pipeline route. Depending on local circumstances, between 200 and 400 metres of line pipe are laid in one working day. 

On 9 July 2022, a "Construction Site Open Day" in Sachsenheim gave numerous interested people the opportunity to visit the NET construction site and inform themselves about the infrastructure project. Experts were present to answer questions and talk about the project; visitors were also able to take a look into the pipeline ditch and over the shoulders of the archeologists.

Construction of the Neckarenztal pipeline - a look at the project

Construction of the Neckarenztal pipeline - a look at the project

Please contact us

We are happy to help you.

Christoph Kröhnert

Project Manager

Christoph Kröhnert

c.kroehnert[at]terranets-bw.de
+49 711 7812 1326

Rebecca Penno

Head of Corporate Communications

Rebecca Penno

presse[at]terranets-bw.de
+49 711 7812 1266

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