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Maine regulators are launching an investigation into the health and safety issues regarding Central Maine Power Co.’s smart meters after the state’s highest court ruled the commission had failed to adequately address concerns about the meters.

The Public Utilities Commission issued an order Tuesday initiating the investigation.

The Maine Supreme Judicial Court ruled this month that the PUC hadn’t adequately addressed safety concerns about CMP’s smart meters. The ruling had no immediate impact on the more than 600,000 smart meters already installed across the state.

Smart meters use wireless technology to transmit information about electricity usage to CMP’s headquarters in Augusta.

CMP says the meters are safe, but critics say they emit radiofrequency radiation that can cause heart palpitations, sleep loss and other health issues.



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