Siemens Energy’s Troubled Wind Takeover Haunts Green Push

With Siemens Energy AG taking full control of its troubled Gamesa unit, executives finally have a clear path to fix a business that’s delivered three years of straight losses.

After counting shareholder votes, the German company controls 93% of the wind turbine maker with a plan to move to full ownership and a de-listing of the manufacturer, Siemens Energy said Monday.

Moving ahead with the €4 billion ($4.2 billion) offer for the 33% of outstanding shares caps a tumultuous period for the Spanish wind turbine maker. Repeated profit warnings have for years undermined its parent, instead of bolstering a soon-to-be—waning ...