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Attala — Power plant · Gas, combined cycle · Entergy Mississippi LLC
  • Combustion
  • Operating
  • 10 · 100 · 1,000 MW

Attala

Power plant · Gas, combined cycle

Key facts

Power plant · Gas, combined cycleran 61% of 2023 Operating
Capacity
Capacity: sourceEIA-860M · Open licenseMW
Commissioned
2001
Net generation, 2023
2,943,986 MWh
Grid
500 kV to Entergy Mississippi Inc (MISO)
Location
Attala County, Mississippi

Output

Net generation MWh by year, 2001 to 2026
Fuel burned MMBtu by year, 2001 to 2026
  • Gas

Operations detail

Details

Who’s behind it

Owner
Entergy Corp

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Technology
Gas, combined cycle source: “Natural Gas Fired Combined Cycle”
Age
25 years since 2001
Unused energy
2,608 GWh 2025Unused energyA lead, not a guarantee: MW × hours × (1 − capacity factor) for the latest year (EIA-923), gas, coal and oil plants only. Air-permit run-hour caps, heat rate (cost to run) and capacity-market or reliability obligations can rule it out.
Heat rate
6,809 Btu/kWh 2025
All 8 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
AttributeValue
Gem
Parents
Name
Entergy Utility Holding Co LLC
Share pct
100
Gem entity id
E100002024424
Unit ids
G100000401848
Location id
L100000401921
Eia plant ids
55220
Grid
Nerc region
SERC
Report year
2025
Grid voltage kv
500
Transmission owner
Entergy Mississippi Inc
Balancing authority code
MISO
Balancing authority name
Midcontinent Independent Transmission System Operator, Inc..
EPA greenhouse gas reporting (GHGRP)
EPA FRS ID
110071159562
Subparts reported
C, D
NAICS code
221112
Subpart PP (CO2 supply)
No
Subpart RR (geologic sequestration)
No
Subpart UU (CO2 injection)
No
Reporting year
2023
GHGRP facility ID
1007247
Fuel burned (MMBtu), 202515,126,543
Capacity factor, 20250.460
Heat rate (Btu/kWh), 20256,809.2
Net generation (MWh), 20252,221,476
Balancing authority codeMISO

Ownership

2 companies2
CompanyRoleShareAs ofSource
Entergy Mississippi LLC Operator EIA-860M
Entergy Corp Owner 100.0% 31 Dec 2023 EPA GHGRP

Timeline

  • In service · EIA-860M

Sources

5 sources

Sources EIA-860M · GEM · EIA · EIA-860M Preliminary Monthly Electric Generator Inventory · EPA Greenhouse Gas Reporting Program — facility register with parent-company shares (Envirofacts pub_dim_facility; FLIGHT)

Sources

Every source and license · Attribution

View at source