The fast change from the old meters to the modern smart metering systems implies the adoption of new philosophies and new behaviors, both on the side of the electricity consumer and on the side of the energy chain. Real-time information available at a large scale opens new possibilities to manage the electricity consume and losses, to use energy more efficiently, to reduce greenhouse gas emissions and to save money. This is why the implementation of the new smart metering technologies is supported by the European legislation and by the different stakeholders. After a short overview of the smart metering systems, the paper presents the challenges of the smart metering implementation in Romania. The possible benefits and risks resulted from the roll-out report are emphasized. The need of a smart environment is discussed. The elements at the interface with the meter should be "smart" enough to be able to make use of the meter's smartness. On the consumer's side, there is also a problem of acceptance, which makes things more delicate. Consumers need time to learn, understand, accept and use the new facilities. Aiming the maximization of benefits and minimization of risks, the paper suggests a step-by-step implementation of the smart metering functionalities.

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