深圳能源：燃料成本是火电厂的主要成本项

Core Viewpoint - Shenzhen Energy emphasizes that fuel costs are the primary expense for thermal power plants, highlighting the importance of comparing imported coal and natural gas with domestic fuel options for economic efficiency [2]. Group 1: Fuel Cost Analysis - Fuel costs are identified as the main cost component for thermal power generation [2]. - The company states that the procurement of imported coal and natural gas involves considering exchange rates as one of several factors in assessing fuel economic viability [2]. - A comprehensive comparison with domestic fuels of similar quality is necessary for making procurement decisions [2].