The proposed $4.3B merger between Northeast Utilities (NU -1.7%) and Nstar (NST -3.7%) will be...

|By:, SA News Editor

The proposed $4.3B merger between Northeast Utilities (NU -1.7%) and Nstar (NST -3.7%) will be reviewed by utility regulators in Connecticut, reversing the state's decision last year not to review the transaction, the Hartford Courant reports. The preliminary decision throws a new barrier in the way of the deal that would create a $17.5B utility, just three months before the deal expires.