Thanks to God's grace and assistance, a new scientific research by Dr. Mohamed Almokhtar has been accepted and published in the journal "Sustainability," which has an impact factor of 3.9 and is indexed in the Web of Science and Scopus databases as a Q1 journal. The work was done in collaboration with a research team consisting of Dr. Abdulrazzak Akroot from Turkey and Dr. Feras Alasali from Jordan. The research is titled "The Integration of Renewable Energy into a Fossil Fuel Power Generation System in Oil-Producing Countries: A Case Study of an Integrated Solar Combined Cycle (ISCC) at the Sarir Power Plant." The published research can be freely accessed through the following link: https://www.mdpi.com/2071-1050/16/11/4820/pdf