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Innovative, sustainable and cost-effective system solutions for the energy industry

Future-proof control, metering and communications with EFR.

For 30 years, more than 350 companies and municipalities rely on our system solutions.

Our system solutions for the energy industry

EFR’s system solutions include everything required for management and end-to-end communications: software, a choice of multiple communication channels, and matching hardware components.
The goal is reliable implementation of grid management tasks.

All system components are mutually compatible, making EFR system solutions easy to set up and operate even with extensive functionality.

Tariff and load control

We offer solutions for tariff and load control using the EFR longwave broadcast system, our hybrid solution or the GMS modular software platform.

Our tariff and load control

Redispatch 2.0 / Feed-in management

The fair way to give renewable energy feed-in stations access to the grid and avoid overloads. Intuitive operation, secure use. 

Redispatch 2.0 / Feed-in management

Lighting control

Our longwave-based solution for control of public lighting – economical, fast and reliable. 

Our lighting control

Charging management for e-mobility

Growing e-mobility increases the number of grid control tasks – the EFR system solution ensures efficient charging management.

Our charging management for e-mobility

Cellular M2M

The simple solution for connecting IP-based endpoint devices. Low tariff with excellent grid availability. 

Our cellular M2M

Predictive building management

A longwave data service and receivers that create opportunities for savings and climate protection in heating and cooling.

Our predictive building management

About EFR

EFR is a system provider active in the field of energy management in Germany and large parts of central Europe.

Under the banner “Future-proof control, metering and communications,” EFR offers package solutions for digital management of smart grids.

Our company

We’re certified

EFR operates a quality management system (QMS) and an information security management system (ISMS) and is certified in accordance with:

ISO 9001:2015

ISO/IEC 27001:2013


Our certificates

EFR GmbH in News

Upcoming events

  • Christmas donations instead of gifts

    As in previous years, we feel the need to support charitable organizations with donations. Particularly needy  deserve our attention, that’s why we didn’t give Christmas presents to our customers and instead made donations to the following institutions: Die Tafel Deutschland Herzenswünsche e.V. Deutsche Kinderkrebsstiftung Kinder und Jugendhospiz Mitteldeutschland Sophienhospiz VKKK Ostbayern e.V. We wish everyone […]

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  • Efficient lighting with EFR Sensor Control

    With EFR Sensor Control, public lighting can be controlled smartly without having to operate your own communication infrastructure. The system from EFR GmbH (Munich) offers the long-wave radio path to control the lights and thus makes the maintenance of expensive audio frequency ripple control systems superfluous. Administration and switching also takes place without special hardware, […]

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Smart energy devices

EFR offers smart metering and smart grid solutions
for end-to-end measurement and grid management tasks and, in this context, offers a coordinated and thoroughly tested range of packages consisting of modern metering devices, smart meter gateways (BSI-CC-1000) and control boxes.

Meters meeting the requirements of the German market are developed and manufactured in EFR’s expertise network with locations in Munich, Berlin and Wutha-Farnroda (Thuringia) as well as high-performance production partners in the Asian economic area.

Our Smart Energy devices

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