After planning , engineering and construction Solar Millennium sold their shares to ACS Group .
The developer of the Andasol 1 and Andasol 2 plants are Solar Millennium ( 25 % ) and ACS Cobra ( 75 % ) .
After planning , engineering and construction Solar Millennium sold Solar Millennium 's shares ACS Cobra   Group .
The developer of the Andasol 1 and Andasol 2 plants are Solar Millennium ( 25 % ) and ACS Cobra ( 75 % ) .