Complex sentence: Formerly owned and operated by the California Energy under a build-operate-transfer scheme known as CE Luzon, it was transferred to PNOC-EDC in 2007, and since 2009 has been owned and operated privately by the Energy Development Corporation.
Split into simpler sentences: Formerly owned and operated by the California Energy under a build-operate-transfer scheme known as CE Luzon. In 2007, it was transferred to PNOC-EDC and since 2009 it is owned and operated privately by the Energy Development Corporation.