Consolidation

NextEra’s blockbuster deal with Dominion likely means higher bills for consumers.

The campus of NextEra’s headquarters is seen on Monday in Juno Beach, Fla.

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A proposed merger of the largest utility in the country by market value, NextEra Energy, with the sixth-largest, Dominion, would create a megacompany at a time when data centers and rapid increases in electricity demand are reshaping the industry.