Crucial factors over the of Life cycle Value for Combined Cycle Power Plants

Abstract

The financing schedule for the life time of a combined cycle power plant is essential. It has to be Considered during the EPC phase, the O&M period, etc. However the cash flow will be affected  by several factors during EPC (e.g. optimized planning time will reduce the construction & commissioning time & costs) and O&M (e.g. fuel, service & replacement parts) phase as well as book life of equipment, domestic taxes, tax and equipment depreciation, interest rates and discount rates etc. In respect to the operation of a high efficiency and complex combined cycle power plant, the costs for unscheduled maintenance are crucial. Therefore a continuously remote operating diagnostic system, which needs to be supported by the OEM engineering organization, for preventive maintenance is one of the essential keystones for the optimization of operational costs for replacement parts and to avoid any unscheduled standstill of the complete combined cycle power plant. In addition the availability of necessary replacement parts for routine and preventive maintenance has to be optimized at site. Other key elements are the longer operation intervals, resulting in a higher availability as well as the optimization of the scheduled maintenance period for each single component which will definitely reduce the outage time.Implementation of the optimized maintenance concept via long term programs, the day-to-day operation will significantly reduce the operating risk of the combined cycle power plant as well as decreasing potential downtimes due to unscheduled and/or additional maintenance activities.