Keck Seng (Malaysia) Berhad, (KS) operates an integrated palm oil mill complex located in Masai, Johor. The complex consists of a palm oil mill, kernel crushing plant, palm oil refinery and other plants for downstream activities since early 1970s. The company has a farsighted vision to maximise the use of inhouse renewable energy (RE) sources, so that a large part of the very high energy demand by the whole complex can be met in a most cost-effective and environmentally sustainable manner.