SANDAKAN: The Energy Commission of Sabah (Ecos) and Sabah Electricity Sdn. Bhd. (SESB) recently raided 15 premises in Kota Kinabalu, Kota Belud, Tuaran and Sandakan on suspicion of tampering with SESB metres and illegal electrical connections that resulted in an estimated loss of RM3 million for the power company, said an official.