Spanish group Gamesa (formerly Grupo Auxiliar Metalúrgico) is a major player in the renewable energy sector. Its three divisions promote and run wind farms worldwide, manufacture wind turbines and provide services to the renewable energy sector.

Strengths:

• detailed sustainability reporting following GRI guidelines
• commitment to the principles of the UN Global Compact
  

Weaknesses:

• lack of transparency regarding standards of business ethics

Gamesa is one of the world’s largest suppliers in the field of renewable energies. The company stands as a model for the conversion of a technology company from conventional (aircraft construction) to sustainable products.