Feed-in Management

EFR long-wave radio technology for remote-controlled reduction of feed-in from renewable-energy and CHP plants. Fast and efficient control, independent of network boundaries.

Lighting control

Central control of municipal lighting for communities and network operators.

Tariff and Load Control

Synchronised control of
network loads in seconds

Smart Metering / Smart Grid

Communication module to connect electricity meter to Smart Metering systems. Enables transparency of consumption and implementation of flexible tariffs

SGM-DD - New Smart Meter


EFR Long-wave Radio

Energy management via long-wave radio. EFR’s three transmitters, each with a range of 500 kilometres, give reliable coverage over a large part of Central Europe.



Merger of HKW-Elektronik GmbH with EFR GmbH


Following the takeover of all shares in HKW-Elektronik GmbH, Wutha-Farnroda (Thuringia) in December...

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E-world energy & water, 5th-7th February 2019, EFR booth 2-220


Visit us at E-world 2019 in Essen, Hall 2, booth 220. The new generation of basic meters will be...

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