Gramercy Holdings LLC
St. James County, Louisiana · EIA plant ID 50846 · Operator: Noranda Alumina LLC
Nameplate85MWSummer 76 MW
Generators5in service
Net generation181GWh12 mo to Dec 2025
Capacity factor27%gas/coal/oil units, summer MW
Heat rate8,959Btu/kWhfossil units, electric fuel, HHV
First online1958Runs as intermediate
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2001 | 236 | — | — |
| 2002 | 252.2 | — | — |
| 2003 | 264.7 | 28.5% | 8,804 |
| 2004 | 0 | 0.0% | — |
| 2005 | 249.3 | 26.9% | 5,371 |
| 2006 | 247.3 | 26.6% | 5,537 |
| 2007 | 228.6 | 24.6% | 5,458 |
| 2008 | 250.2 | 26.9% | 4,789 |
| 2009 | 233 | 25.1% | 5,474 |
| 2010 | 264.3 | 28.5% | 5,364 |
| 2011 | 273.2 | 29.4% | 5,383 |
| 2012 | 263.4 | 28.3% | 5,340 |
| 2013 | 263.8 | 28.4% | 5,372 |
| 2014 | 242.2 | 26.1% | 5,286 |
| 2015 | 237.9 | 35.7% | 5,401 |
| 2016 | 228.8 | 34.3% | 8,749 |
| 2017 | 237.3 | 35.6% | 8,749 |
| 2018 | 254.6 | 38.2% | 8,749 |
| 2019 | 283.9 | 42.6% | 8,749 |
| 2020 | 301.1 | 45.1% | 8,850 |
| 2021 | 266.5 | 40.0% | 8,849 |
| 2022 | 256.8 | 38.6% | 8,967 |
| 2023 | 231.1 | 34.7% | 8,966 |
| 2024 | 208.1 | 31.2% | 8,967 |
| 2025 | 180.7 | 27.1% | 8,959 |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| GT3 | Natural Gas Fired Combustion Turbine | GT | 16 | 15 | Apr 1969 | Operating | — | coming soon |
| GT4 | Natural Gas Fired Combustion Turbine | GT | 24.7 | 21 | Apr 1974 | Operating | — | coming soon |
| ST1 | Natural Gas Steam Turbine | ST | 18.7 | 17 | Feb 1958 | Operating | — | coming soon |
| ST2 | Natural Gas Steam Turbine | ST | 18.7 | 17 | Feb 1958 | Operating | — | coming soon |
| ST3 | Natural Gas Steam Turbine | ST | 7.2 | 6 | Feb 1969 | Operating | — | coming soon |
| GT1 | Natural Gas Fired Combustion Turbine | GT | 16 | 15 | Mar 1969 | Retired Dec 2006 | — | coming soon |
| GT2 | Natural Gas Fired Combustion Turbine | GT | 16 | 15 | Apr 1969 | Retired Feb 2010 | — | coming soon |
Owner / operator
Operator: Noranda Alumina LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Noranda Alumina LLC | 100.0% | 85 MW |
Nearby plants
Within 80 km.
| Louisiana Sugar Refining | 7 MW | 1.5 km |
| Vacherie Solar Energy Center, LLC | — | 10.2 km |
| St. James Solar (LA) | 20 MW | 10.9 km |
| Mosaic Phosphates Uncle Sam | 26 MW | 15.4 km |
| Waterford 6 | — | 19.1 km |
| Waterford 5 | — | 19.1 km |