• 2010: Integrated wafer and cell production facility, 240 MWp 
• polycrystalline wafers and cells for Birla Surya Ltd., Maharashtra, India

• 2000 - 2009: All production facilities for monocrystalline and polycrystalline solar cells (6 lines, 630 MWp), Q.Cells SE in Germany

• 2005 - 2009: All 3 production facilities for String Ribbon^TM wafer, cells and modules (180 MWp), Sovello AG in Germany

• 2006-2007: Reiner Lemoine Research Center, variable production line for R&D, Germany

• 2009 - 2011: PVcomB, R&D center for thin film modules, Berlin/ Germany

• 2009: Production line for CIGS thin film modules (30-45MWp), Germany

• 2007 - 2009: 2 production lines for tandem thin film modules 
  (a-Si/μc-Si, 120 MWp), Sunfilm AG, Germany 

• 2007-2008: Production line for a-Si thin film modules (40 MWp), 
  T-Solar Global S.A., Spain

• 2005-2008: 2 production lines for micromorph thin film modules 
  (a-Si/μc-Si, 25 MWp), sontor, Germany

• 2007: Production line for CdTE (20 MWp), Germany

• 2005-2007: 2 production lines for thin film modules (Crystalline silicon on glass, 50 MWp), CSG Solar AG, Germany

• 2009: Micromorph high performance thin film modules (120 MWp), Russian Federation

• 2008 - 2009: Ingot production facility for mono & poly silicon crystallisation (2 x 250 t/year), Qatar

• 2008: production of micromorph thin film modules (a-Si/μc-Si), Mexico

• 2008: Flexible thin film module production (80 MWp), CIGS, Germany

• 2007: CIGS flexible thin film modules (25 MWp),  
  VHF - Technologies SA Flexcell, Switzerland

• 2003: CIS production, Soltecture GmbH (former Sulfurcell GmbH)

2011: 

• Feasibility study for an integrated ingot, wafer and cell production (c-Si), India
• Process related consulting services for Sage, USA

• Concept study for crystalline technology (360 MWp), India

2009: 

• Equipment supplier evaluation for Solarpro, Bulgaria
• Conceptual design for pilot lines and R&D center for thin film modules, France
• Process related consulting services for CIGS-Technology (350 MWp), USA

2008: 

• Equipment supplier evaluation for Eurasia, Russian Federation
• Concept study for a thin film production facility (60 MWp), Italy
• Consulting services and equipment supplier evaluation for a R&D center, USA

2007:

• 2 concept studies for each an integrated wafer, cell and module fab (500 MWp, crystalline silicon), Germany
• Concept study (40 MWp, amorph thin film modules), Germany
• Concept study for tandem thin film module production (60 MWp), Spain
• Equipment upgrade for crystalline silicon (180 MWp), Spain

2006:

• International site evaluation for a silicon production site, Norway

2001:

• Concept study for Soltecture GmbH (former Sulfurcell GmbH), CIS, Germany

1998:

• Concept study for Solon (crystalline silicon), Germany