This paper analyzes various weather indices and the level of load by Gray algorithms and chooses the index which better reflects the changes in the load for the further analysis.

• 采用灰色关联算法,分析了各个综合气象指数与负荷的关联程度,选择更能反映负荷变化趋势的指数进一步分析负荷与气象的关系。