晋控电力：塔山三期项目自正式开工起，至两台机组建成投产，预计施工总工期为28个月

Group 1 - The core point of the article is that the construction period for the Tashan Phase III project is estimated to be 28 months from the start of construction to the commissioning of two units [2] Group 2 - The project will officially commence with the pouring of the first concrete for the main plant foundation [2] - The company will provide updates on the project's progress through future announcements [2]