HERNE, Germany, Sept 16 (Reuters) - Germany's

Thyssenkrupp has to make a clear commitment to a

planned 3 billion euro ($3.3 billion) green steel site, the

country's Economy Minister Robert Habeck said only days after

the company flagged the project may get more expensive.

Speaking at a steel summit in Duisburg, where Thyssenkrupp's

steel division is based, Habeck said that otherwise it would

become very difficult for the local steel production sites.

($1 = 0.8991 euros)