SAG Group
Please click on the map for further information
SAG locations
Project samples
Energy knows
no borders.
With SAG.

Your partner for energy infrastructures.

Germany – MSCDN plant as a turnkey project
More reactive power for the energy revolution

In Goldshöfe, SAG is installing a 250 Mvar compensation system within the existing switchgear as a turnkey project.

Deutschland – Public lighting Düsseldorf
Framework contract until 2016

Stadtwerke Düsseldorf trust of many crafts for public lighting on the skills of the SAG.

Germany – Nordbahntrasse Wuppertal
Light and Shadow

The needs of human beings and bats were a top priority of the SAG lighting project for the Nordbahntrasse in Wuppertal, Germany.

Germany – Between Isar and Ottenhofen
68-ton mast on a truck crane

A unique contract awaited the cable engineers in Ergolding: three masts were each to be raised by three meters.

Germany – Substation assembling Baden-Wuerttemberg
Improving safe supply

It is a complex and demanding task to restructure existing power networks from 220 kV to 380 kV. SAG happily faced the challenge.

Deutschland – West Germany
Flying high on overhead line masts

Thanks to SAG, birds can come into land on many power masts in West Germany and take off again without coming to harm.

Germany – Underground Urban Rail Net Munich
More power, less wait

The stream of visitors during trade fair periods required shorter cycles of the underground traffic. Therefore, the power supply had to be increased - during the night and during short shut-down periods.

Germany – Smart-Grid-System
Intelligently controlled

The medical specialist centre is using only 10% of its needed energy from the grid. SAG took care of the remaining need by installing smart grids

Netherlands – Overhead power line Zwolle-Veendam
More power due to more lines

SAG provided more power for the existing 38 kV high voltage line with two newly installed electrical circuits. The A37 had to be crossed and several reconstructions had to be carried out.

Germany – Boosting efficiency of a natural gas station
Dependable and competent

SAG Erwin Peters provided a complete one-stop service to boost the efficiency of the natural gas plant in Emsbüren.

Germany – Remote control of substations
24/7 Service

Thanks to modern online technology, SAG is able to handle operational management of substations that is hundreds of kilometres away.

Latest news

  • Management of the SAG Group will be newly formed 

  • Thomas Töpfer new CEO of SAG Group 

  • SAG Group takes over Société Générale des Travaux d' Electricité 



  • Forum network construction and operation 

    14-05-08 - 14-05-09
    Leipzig, Germany

  • IAA Commercial Vehicles 2014 

    14-09-25 - 14-10-02
    Hannover Exhibition, Germany
    Deutsche Messe

  • gat - Gas Industry Conference 

    14-09-29 - 14-10-01
    Karlsruhe, Germany
    Messe Karlsruhe


Welcome to SAG Germany

We are one of the leading service and system supplier for electrical power, gas, water, and telecommunication networks, as well as plants generating, providing, and applying energies, water, and gas.

In other words: We make sure that power and communication reach their destinations. Secure, fast and economical. Always.

Our products and services from A to Z

In focus

iNES: intelligent distribution grid management system

Everyone talks about smart grids. We are already working on the execution! With the project iNES we offer a modular intelligent distribution grid management system for grid automation and optimal grid capacity utilization.

SAG wins the HERMES AWARD (Picture: Deutsche Messe)

SAG wins the HERMES AWARD 2014

The SAG GmbH is the winner of the HERMES AWARDS in 2014. The jury presented the prestigious award for the solution nominated by SAG, the iNES - Intelligentes Verteilnetz-Management (Intelligent Distribution Grid Management System), with which a conventional low voltage grid can be converted in to a smart grid.


Grid connection of offshore wind farms

Offshore wind power is one of the pillars of the energy transition. We ensure that the power generated on the marine wind farm reaches the substation on land, and is then fed into the transmission network.