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EDF questions energy chiefs on second day of merger hearings

Constellation Energy's second-largest shareholder and a partner in its nuclear business grilled the Baltimore company's chairman and chief executive, Mayo A. Shattuck III, about his compensation and proposed role at Exelon Corp. during the second day of regulatory hearings on the $7.9 billion merger of the two energy giants.

EDF Group opposes the merger and has had a strained relationship with Constellation since last fall, when the Baltimore utility pulled out of plans to develop a proposed third nuclear unit at Calvert Cliffs in Southern Maryland. As a result, Constellation also exited its joint venture with EDF to develop other nuclear projects. EDF still owns nearly 50 percent...