Entergy Mississippi’s MISO Membership Produces Millions in Savings for Customers

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Entergy Mississippi, Inc. customers are saving big thanks to the Public Service Commission’s approval for Entergy to join MISO, a regional transmission organization.
Customers saved an estimated $48 million during the first year of Entergy Mississippi’s membership in MISO,

(From left) MSPS Commissioner Brandon Presley Entergy MS President & CEO Haley Fisackerly, and MPSC Chairman Lynn Posey jointly announced millions in savings for Entergy MS customers.

(From left) MSPS Commissioner Brandon Presley Entergy MS President & CEO Haley Fisackerly, and MPSC Chairman Lynn Posey jointly announced millions in savings for Entergy MS customers.

formally known as the Midcontinent Independent System Operator, Inc. That amounts to a savings of approximately 3 percent, or about $3.50 on the typical residential customer’s monthly bill. Entergy’s utilities joined MISO on Dec. 19, 2013, after a lengthy period of regulatory review.

“Anytime Mississippians save money it’s a good day! I am proud of Entergy Mississippi for taking this step to lower their customer’s electricity bills,” said Chairman Lynn Posey.

MISO manages the commitment and dispatch of generation on the transmission grid, maintains reliability, plans new transmission facilities and operates markets for the purchase and sale of electricity and related products.
Entergy Mississippi and MISO are MEC members. Learn More…

Preliminary numbers are in and it looks like Entergy Mississippi, Inc. customers are saving big, thanks to the Public Service Commission’s approval for Entergy to join MISO, a regional transmission organization.

Customers saved an estimated $48 million during the first year of Entergy Mississippi’s membership in MISO, formally known as the Midcontinent Independent System Operator, Inc. That amounts to a savings of approximately 3 percent, or about $3.50 on the typical residential customer’s monthly bill. Entergy’s utilities joined MISO on Dec. 19, 2013, after a lengthy period of regulatory review.

“Anytime Mississippians save money it’s a good day! I am proud of Entergy Mississippi for taking this step to lower their customer’s electricity bills,” said Chairman Lynn Posey.

MISO manages the commitment and dispatch of generation on the transmission grid, maintains reliability, plans new transmission facilities and operates markets for the purchase and sale of electricity and related products.

“The Public Service Commission is committed to being active, alert and on the lookout for ways to reduce the cost of electricity in Mississippi. By accessing electric power in other markets, we are driving down the cost of living for Entergy customers and growing the state’s economy,” said Northern District Public Service Commissioner Brandon Presley.

The $48 million in savings were largely driven by the more efficient commitment and dispatch of power plants, resulting in access to lower cost generation through MISO’s power market.

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