Query
Attala
Type
Entity Briefing
Entity
Attala
Generated
2026-10-19T16:24:26.521Z

Briefing on Attala

Entity Briefing
Generated Oct 19, 2026·Dataset freshness not reported
551 MW
Capacity
Operating
Current status
2001
Operating since
3
Generators
50.2%
Capacity factor
2221 GWh
Annual generation
Briefing/plantOperating

Attala is a 551 MW Natural Gas Fired Combined Cycle asset in MISO (Midcontinent), currently Operating.

Attala is reported in Mississippi since 2001 under Entergy. Available operating and financial measures include 50.2% capacity factor and 2221 GWh annual generation; $289/kW reported CapEx.

Location
Attala, Mississippi
Technology
Natural Gas Fired Combined Cycle
Owner / parent
Entergy
Operator
Entergy Mississippi LLC
Grid
MISO (Midcontinent)
Plant ID
55220

What stands out

1

Attala is a 551 MW Natural Gas Fired Combined Cycle asset in Mississippi with status Operating.

2

Latest annual operating measures report 50.2% capacity factor and 2221 GWh annual generation.

3

Available financial measures include $18.1/MWh OpEx, $289/kW CapEx.

4

Latest linked story: “Entergy’s gas projects are one-third of MISO’s fast-track interconnection process” (Utility Dive, 2026-05-29).

Market and operating context

ISO / market
MISO (Midcontinent)
Balancing authority
Midcontinent Independent Transmission System Operator, Inc..
NERC region
SERC
State rank
#15 of 31
National rank
#464 of 2,025

Why it matters

For this asset in MISO (Midcontinent), operating status, generation, ownership, and linked events are the primary facts for performance and asset-level diligence. The exact chart and source-linked records below let the reader test those facts before moving to a deeper report.