This study addresses the maintenance of the Main Cooling Water Pump (MCWP) in Gas and Steam Power Plants, crucial for performance and sustainability. Existing practices often lack a comprehensive approach, integrating routine inspections with proactive maintenance strategies. We aimed to develop a maintenance framework that improves operational efficiency, safety, and environmental sustainability. Over a 12-month period, data from various facilities indicated that our holistic approach increased pump efficiency by 15%, reduced downtime by 20%, and enhanced compliance with safety and environmental standards. These findings underscore the importance of integrated maintenance practices in responding to evolving industry challenges and regulations. Highlights: Holistic maintenance approach vital for MCWP performance. Safety compliance crucial for personnel and asset protection. Maintenance enhances efficiency and sustainability efforts. Keywords: Maintenance, Main Cooling Water Pump, Energy Efficiency
                        
                        
                        
                        
                            
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