Light SA is a holding company, which engages in the generation, transmission, distribution and commercialization of electric power services. The company is headquartered in Rio De Janeiro, Rio De Janeiro and currently employs 5,140 full-time employees. The company went IPO on 2005-12-12. The firm's activities are divided into three business segments: Distribution, Generation and Trading. The Distribution division focuses on distributing electric power to end consumers. The Generation division produces electricity through hydroelectric power stations. The Trading division is responsible for the purchase and sale of energy. In addition, the Company provides energy solutions, such as energy projects development, and offers advisory services to free and captive consumers. The firm distributes energy in the state of Rio de Janeiro, Brazil. The company operates through a number of subsidiaries, including Light Servicos de Eletricidade SA (Light SESA), Light Energia SA (Light Energia), Light Esco Prestacao de Servicos SA (Light Esco) and Lightcom Comercializadora de Energia SA (Lightcom), among others.