Théolia specializes in the production of electricity from wind energy. Net sales break down by activity as follows: - development, construction and sale of turnkey wind-powered electricity production units (71.6%); - sale of wind electricity on its own behalf (24.3%); - operation of wind power installations on behalf of third parties (3.2%); - other (0.9%): mainly design, construction and operation of facilities for treating waste and waste water. Net sales are distributed geographically as follows: France (10%), Germany (84.6%), Italy (0.7%) and other (4.7%).