The commercialization of energy in Brazil is carried out in two market spheres: the Regulated Contracting Environment and the Free Contracting Environment.

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The free market, environment of performance of Valoriza Energia, provides the purchase and sale of energy with the freedom of choice between the consumer and the trader. This option is supported by the legislation and the rules and procedures of which are defined by CCEE (Chamber of Electricity Commercialization).

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Two types of consumers can negociate in the free market: the special consumer and the free one.