The shareholders voted in favor of the merger agreement, which was announced on 5 December 2011.

ITC chairman, president & CEO Joseph L. Welch said, "We believe that the combination of these businesses will result in benefits for all stakeholders."

Both the companies have either jointly or individually have made all the regulatory filings necessary for approval of the transaction. These approval processes are in progress.

Subject to all the regulatory approvals and other closing conditions, the transaction is anticipated to be closed by the end of 2013.

Entergy is a US-based integrated energy company mainly focused on electric power production and retail distribution operations.