It was reported in February 2005 that Tui Consulting was being sued by Singapore’s largest electricity retailer, SP Services, for problems related to TUI’s implementation of a SAP computer system. The dispute was reportedly settled in 2005. Reports quoted the utility as saying that it encountered large-scale billing problems beginning in January 2000, eventually affecting about 144,000 of the 1.2 million electricity accounts. Tui Consulting denied the claims and filed a countersuit for $3 million, blaming SP Services for the problems.