Herholdt Controls & Optec

Energy meters are as indispensable to Optec AG's product range as the foundations of a building. Andreas Muffler already relied on these products when Optec AG was founded. At that time, however, the meters were considerably more expensive and mechanically equipped with roller counters.

Andreas Muffler remembers: "In my search for a strong partner, I came across the company Herholdt. At that time, they were still specialized in brand labeling and did not sell their products directly. Their customers included well-known companies, while we as Optec were still a small customer at the time."

"Thanks to their many years of expertise, an active R&D department and the use of state-of-the-art CTFs (Customer Testing Facilities) Testing facilities) in their in-house certified laboratory, they ensure Quality and MID certification, even when renewing the range certification for new additions to the range." (Dominic Locher)

Today, after more than 24 years of partnership, we are one of their largest customers for electronic meters.

A few years ago, in 2017, the Herholdt Group was sold to the Hager Group in Alsace, France.

Foundation & further development

1991: Hans Herholdt founds Herholdt Controls GmbH

2000: Development of the first analog energy meter

2005: The first series of energy meters is created

2009: First MID approval of an energy meter

2011: Modular communication systems come onto the market

2013: First energy meter with built-in communication technology is developed

2017: Herholdt Controls joins the Hager Group

2018: Market launch of the Hager measuring devices

2019: A first OEM series of energy meters is launched on the market

2021: Integration of Herholdt Controls into the new HagerEnergy division

2022: New integrated CAN and CANopen communication

2023: New LoRaWAN module conquers the market

2024-25: Energy meters become compliant with the new MID evolution