After a series of attacks on substations, radio masts and a transformer building in the Saarlouis area, the police have found the alleged perpetrator.
Information from the population had led to his identification, as the police announced on Tuesday.
The 33-year-old is reportedly now in custody, his possible motive is still unclear.
Saarlouis - Due to an arrest warrant issued by the Saarbrücken district court, he was arrested on Monday in his apartment and brought before the judge.
Specifically, he is accused of damaging and setting fire to various facilities in May and June of this year.
dpa