LUSBY — Constellation Energy Nuclear Group says it has shut down one of two nuclear reactors at its Calvert Cliffs power plant after a malfunction during testing. Plant spokesman Kory Raftery says a control rod dropped into the reactor Thursday ...

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LUSBY — Constellation Energy Nuclear Group says it has shut down one of two reactors at its Calvert Cliffs plant in southern Maryland after a malfunction caused a drop in power generation. A spokesman said Monday that a control rod ...

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Exelon’s proposed takeover of Constellation Energy crossed another hurdle Thursday when the Nuclear Regulatory Commission approved the $7.9 billion deal. Constellation’s nuclear division, the Constellation Energy Nuclear Group, is licensed to operate five reactors and two spent fuel installations. The ...

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Electricite de France, Constellation Energy Group’s largest shareholder and up to now the biggest critic of the company’s planned $7.9 billion acquisition by Exelon Corp., said Tuesday it was now on board with the deal. The French utility giant had ...

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LUSBY — Constellation Energy Nuclear Group says one of two nuclear reactors at its Calvert Cliffs power plant is being brought back online after being shutdown automatically during Hurricane Irene. The reactor was shut down when a piece of siding ...

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LUSBY — Constellation Energy Nuclear Group says inspections are underway to determine when it can restart a nuclear reactor at its Calvert Cliffs plant that shut down during Hurricane Irene. One of the two reactors at the plant shutdown automatically ...

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