A-share power grid equipment stocks opened sharply higher, with Sanbian Technology hitting its fourth consecutive daily limit, Xinlian Electronics and Baobian Electric hitting their second consecutive daily limit, Pinggao Electric hitting its daily limit, Yineng Power rising more than 20%, and Siyuan Electric, Shuangjie Electric, Kerun Intelligent Control, Guodian Nanzhi and Wansheng Intelligent following suit.