A股电力板块反复活跃，闽东电力、华电能源、华电辽能、三峡水利、华银电力、京能电力等多股涨停，廊坊发展、长源电力、湖南发展等涨幅居前。

Group 1 - The A-share power sector is experiencing significant activity, with multiple stocks such as Mindong Electric Power, Huadian Energy, Huadian Liaoning, Three Gorges Water Conservancy, Huayin Electric Power, and Jingneng Electric Power hitting the daily limit up [1] - Other notable performers include Langfang Development, Changyuan Electric Power, and Hunan Development, which have shown substantial gains [1]