It is disclosed an apparatus (2) for precipitation of water, comprising a plurality of spraying nozzles (4) for ejecting droplets (6); at least one insulated charging electrode (36), arranged adjacent to the plurality of spraying nozzles (4), for ionizing the droplets (6), wherein the charging electrode (36) is connected to a high-voltage direct current power supply (10). Further, it is disclosed a method for operating an apparatus (2) for precipitation of water, wherein the apparatus (2) is operated in at least one of the following modes: simultaneous operation of the plurality of spraying nozzles (4) for ejecting droplets (6) and of the at least one insulated charging electrode (36); operation of the insulated emitter electrode (8) alone; intermittent operation of the plurality of spraying nozzles (4), the insulated charging electrode (36) and the insulated emitter electrode (8), or operation of the plurality of spraying nozzles (4), the insulated charging electrode (36) and the insulated emitter electrode (8) at the same time.