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Power plant · Gas, steam turbine

Key facts

Power plant · Gas, steam turbine Out of service

Capacity: Capacity: sourceEIA-860M · 4 Nov 2026Open licenseMW

Commissioned: 1967
Net generation, 2025: -1,069 MWh
Grid: 115 kV to Entergy Louisiana LLC (MISO)
Location: Terrebonne County, Louisiana
Operated by: Terrebonne Parish Consol Gov't

Output

Net generation MWh by year, 2001 to 2025

Fuel burned MMBtu by year, 2001 to 2025

Operations detail

Details

Who’s behind it

Owner: Terrebonne Parish Consolidated Government

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Technology: Gas, steam turbine source: “Natural Gas Steam Turbine”
Age: 59 years since 1967

All 5 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory

Attributes
Attribute	Value
EPA greenhouse gas reporting (GHGRP)	EPA FRS ID 110001937076 Subparts reported C, D NAICS code 221121 Subpart PP (CO2 supply) No Subpart RR (geologic sequestration) No Subpart UU (CO2 injection) No Reporting year 2023 GHGRP facility ID 1000529
Eia status	By code OS Mw 78.90 Units 3 Standby mw 0 Status rule majority_mw_out_of_service In service mw 78.90 Out of service mw 78.90
Fuel burned (MMBtu), 2025	0
Net generation (MWh), 2025	-1,069
Balancing authority code	MISO

Data notes (1)

Capacity factor, 2025 not shown: net generation -1069.0 MWh is not positive (the plant consumed at least as much as it produced over the year)

Retirement

Capacity retired: 20.4 MW
Generators retired: 7
Capacity still in service: 78.9 MW

Generators that retired or are scheduled to retire
Generator	Technology	Nameplate	State	Date
10	Natural Gas Internal Combustion Engine	4.5 MW	Retired	December 2010
11	Natural Gas Internal Combustion Engine	4.5 MW	Retired	December 2010
12	Natural Gas Internal Combustion Engine	4.5 MW	Retired	December 2010
6	Natural Gas Internal Combustion Engine	1.4 MW	Retired	December 2010
7	Natural Gas Internal Combustion Engine	1.4 MW	Retired	December 2010
8	Natural Gas Internal Combustion Engine	1.4 MW	Retired	December 2010
9	Natural Gas Internal Combustion Engine	2.7 MW	Retired	December 2010

Grid

Grid voltage at the plant: 115 kV
Transmission or distribution system owner: Entergy Louisiana LLC
Balancing authority: Midcontinent Independent Transmission System Operator, Inc..
NERC region: SERC

Transmission lines within 25 km (10)

Terrebonne 230 kV line 230 kV · 5.0 km
Raceland 230 kV line 230 kV · 5.0 km
Terrebonne 230 kV line 230 kV · 8.5 km
Terrebonne 230 kV line 230 kV · 9.2 km
Thibodaux 230 kV line 230 kV · 14.2 km
Gibson 230 kV line 230 kV · 19.4 km
Thibodaux - Raceland 230 kV 230 kV · 20.3 km
Raceland 230 kV line 230 kV · 21.3 km
Waterford 230 kV line 230 kV · 21.3 km
Raceland - Waterford 230 kV 230 kV · 23.6 km

Can the connection be reused?

A plant that retires usually leaves its substation, transmission connection and interconnection agreement behind, and those may be reusable by a new project at the same site. FERC Order No. 845 lets an interconnection customer use surplus interconnection service at an existing site, and some transmission providers' tariffs let a replacement resource take over a retiring unit's interconnection service, usually within a set time after the retirement. Whether any such right still exists here, who holds it and on what terms depends on the owner, the transmission provider and timing; this page does not establish any of that.