以2001~2005年竣工投产的湖北主网110~220 kV线路工程的详实数据为基础,统计和分析了湖北主网110~220 kV线路工程造价变化趋势及对各年工程造价结构分析,从设计、材料涨价、设计规范技术标准的提高、政策性的调整、外部环境的制约等角度提出了造成湖北主网110~220kV线路工程造价变化的主要原因,供决策和有关研究部门及同行参考。 Based on the detailed data of 110 ~ 220 kV line in Hubei main network which completed and put into production from 2001 to 2005, the trend of construction cost in 110 ~ 220 kV line in Hubei main network was analyzed and analyzed, and the cost structure analysis of each year was made. , Material prices, technical standards for design specifications to improve, policy adjustments, the external environment constraints point out the main reason for Hubei 110 ~ 220kV line project cost changes for decision-making and relevant research departments and peers reference.