Entergy Corp. has announced its intent to join the Midwest Independent Transmission System Operator (Midwest ISO) as a fully integrated transmission-owning member.
Entergy's integration, if approved by regulators, would expand the Midwest ISO footprint to Arkansas, Louisiana, Mississippi and Texas. The Entergy region will add about 15,000 miles of transmission lines and 30,000 MW of generation capacity to the footprint.
Both an independent analysis and an analysis completed by the Midwest ISO show that the Entergy region will benefit from joining the organization. These benefits include improved transmission reliability, more efficient use of existing electric system assets and a reduced need for future generation assets.
The combined footprint will also benefit from increased electrical generation diversity, including coal, natural gas, nuclear, wind, biomass and other sources, according to Midwest ISO.
The move will need to be approved by elected officials and regulators in each of Entergy's jurisdictions. The Entergy operating companies are Entergy Arkansas Inc., Entergy Gulf States Louisiana LLC, Entergy Louisiana LLC, Entergy Mississippi Inc., Entergy New Orleans Inc. and Entergy Texas Inc. The integration has a targeted implementation date of December 2013.