Fortis Inc., the largest investor- owned natural gas and electric distribution utility in Canada, agreed to buy Arizona-based power holding company UNS Energy Corp. for $2.5 billion in cash to expand in the U.S.
NextEra Energy Inc., the largest U.S. producer of wind power, had its biggest gain in more than four years after saying it may form a “yield company” to attract investors seeking steady returns from its power plants.
Duke Energy Corp. is nearing an agreement to buy Progress Energy Inc. and put Progress Chief Executive Officer William Johnson in charge of what will be the largest U.S. utility, said three people with knowledge of the matter.
Exelon Corp. , the largest operator of U.S. nuclear power plants, is near an agreement to buy Constellation Energy Group Inc . for about $7.7 billion, adding stakes in five reactors in Maryland and New York, according to a person with knowledge of the matter.