Janitza energy measurement technology Nowadays, energy management is not only relevant for the environment and for society but is also a critical competitive factor. Only those who can keep a close eye on their energy consumption can reduce costs and increase energy efficiency. To ensure optimum use of the measurement devices, Janitza offers the corresponding accessories and tailored software solutions and services – an optimally tailored portfolio for efficient energy management. Future with tradition The company We develop and manufacture in the Hessian city of Lahnau, between Wetzlar and Gießen. Our hardware and software products are always ahead of their time - and have been for more than half a century now. We introduce new technologies and combine existing applications to form convincing, intelligent products. Eugen Janitza GmbH, founded in 1961, went on to produce an independent subsidiary company in 1986: Janitza electronics GmbH. Under the management of Markus Janitza. Just two years after its establishment, Janitza presented the world's first electronic reactive consumption controller with harmonic limit values and automatic step switching.