State-owned power utility Eskom has welcomed the arrest of two former employees of former contractor ABB Group (ABB), as well as their spouses, for alleged corruption linked to Eskom contracts worth R2.2-billion. The four were arrested on July 12 by the Investigating Directorate of the National Prosecuting Authority (NPA), in a joint operation with the Hawks and the South African Revenue Service, for alleged corruption related to Eskom contracts awarded to ABB in 2015.