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1.0avg. commissioner years of serviceSource: Advanced Energy United
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10.88ยขavg. price per kWhSource: EIA
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3legislative session length, monthsSource: Legislative Session
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30%residential market share of the largest utilitySource: December 2024, Advanced Energy United
breakdown of market shareUtility Percentage Market Share in Mississippi
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Entergy Mississippi Inc
Market Share30% -
Mississippi Power Co
Market Share12%
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5governor years servedSource: December 2024, Advanced Energy United
Utilities
Mississippi Utilities
In most cases, we only provide profiles for the largest five utilities with more than 100,000 total customers.
The schedules listed here reflect what is established in statute, rules, or Orders. However, PUCs and utilities sometimes deviate from these schedules. Please check the most recent proceeding by going to the "Important Recurring Proceedings" section for each utility below.
Policy AreaIntegrated Resource Plan
ScheduleElectric utilities must file an integrated resource plan every three years.
Policy AreaAnnual Energy Delivery Plan
ScheduleElectric utilities must file an annual plan demonstrating the cost effectiveness of their demand-side management programs and anticipated investments in DERs.
Entergy Mississippi Inc
Ownership TypeInvestor Owned
Balancing AuthorityMidcontinent Independent Transmission System Operator, Inc..
NERC Regional EntitySERC
Holding Company
Structure
Owns Generation
Owns Transmission
Share of Residential Customers in MS30%
Mississippi Power Co
Ownership TypeInvestor Owned
Balancing AuthoritySouthern Company Services, Inc. - Trans
NERC Regional EntitySERC
Holding Company
Structure
Owns Generation
Owns Transmission
Share of Residential Customers in MS12%