Dow St Charles Operations
St. Charles County, Louisiana · EIA plant ID 50152 · Operator: Dow Chemical Co - St Charles
Nameplate324MWSummer 270 MW
Generators4in service
Net generation1,823GWh12 mo to Aug 2026
Capacity factor77%gas/coal/oil units, summer MW
Heat rate4,739Btu/kWhfossil units, electric fuel, HHV
First online1996Runs as baseload
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
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 | 1,757.4 | — | — |
| 2002 | 1,828.5 | — | — |
| 2003 | 1,932.2 | 75.6% | 11,159 |
| 2004 | 1,822.2 | 71.1% | 11,147 |
| 2005 | 1,522.7 | 59.6% | 11,159 |
| 2006 | 1,811.6 | 70.9% | 11,156 |
| 2007 | 1,730.9 | 67.8% | 11,159 |
| 2008 | 1,459.5 | 57.0% | 11,149 |
| 2009 | 1,359.9 | 53.2% | 11,159 |
| 2010 | 1,758.8 | 68.8% | 11,159 |
| 2011 | 1,773.8 | 69.4% | 10,832 |
| 2012 | 1,969.2 | 77.4% | 10,824 |
| 2013 | 1,945.8 | 82.3% | 10,824 |
| 2014 | 2,000 | 84.6% | 10,824 |
| 2015 | 1,964.8 | 83.1% | 10,824 |
| 2016 | 2,045.3 | 86.2% | 4,746 |
| 2017 | 1,977.3 | 83.6% | 4,741 |
| 2018 | 1,980.8 | 83.8% | 4,739 |
| 2019 | 2,086.4 | 88.2% | 4,749 |
| 2020 | 2,020.4 | 85.2% | 4,739 |
| 2021 | 1,682.7 | 71.1% | 4,739 |
| 2022 | 2,005.8 | 84.8% | 4,739 |
| 2023 | 1,856.6 | 78.5% | 4,739 |
| 2024 | 1,889.3 | 79.7% | 4,739 |
| 2025 | 1,938.5 | 82.0% | 4,739 |
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 |
|---|---|---|---|---|---|---|---|---|
| CGN1 | Natural Gas Fired Combined Cycle | CT | 125.8 | 100 | Dec 1996 | Operating | — | coming soon |
| CGN2 | Natural Gas Fired Combined Cycle | CT | 125.8 | 100 | Jan 1997 | Operating | — | coming soon |
| CSTG | Natural Gas Fired Combined Cycle | CA | 50 | 50 | Dec 2002 | Operating | — | coming soon |
| STG | Natural Gas Fired Combined Cycle | CA | 22 | 20 | Feb 1997 | Operating | — | coming soon |
| CTG | Natural Gas Fired Combined Cycle | CA | 10 | 10 | Apr 1987 | Retired Mar 2009 | — | coming soon |
| IGT | Natural Gas Fired Combined Cycle | CT | 9.6 | 9.6 | Mar 1980 | Retired Feb 2009 | — | coming soon |
Owner / operator
Operator: Dow Chemical Co - St Charles. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Dow Chemical Co - St Charles | 100.0% | 324 MW |
Nearby plants
Within 80 km.
| Taft Cogeneration Facility | 894 MW | 1.8 km |
| Little Gypsy | 1,003 MW | 2.9 km |
| Waterford 3 | 1,200 MW | 3.1 km |
| St. Charles Power Station (LA) | 1,000 MW | 3.3 km |
| Waterford 1 & 2 | 487 MW | 3.7 km |
| Waterford 5 | — | 4.3 km |