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Electricity labelling provides the consumer with information on the product they are consuming, namely the primary energy resources used to generate the electricity and the environmental impacts associated to the supply.
By having access to this information, customers can choose their supply and include the environmental vector in their decision matrix.
The following graphs illustrate the mix for the total energy production marketed by IBERDROLA and how it has evolved over the year.
| IBERDROLA PORTUGAL ENERGY SOURCES |
| IBERDROLA CLIENTES ENERGY SOURCES |
| SOME INTERESTING FACTS |