Ingleside Cogeneration
San Patricio County, Texas · EIA plant ID 55313 · Operator: Ingleside Cogeneration LP
Nameplate517MWSummer 460 MW
Generators3in service
Net generation3,101GWh12 mo to Aug 2026
Capacity factor77%gas/coal/oil units, summer MW
Heat rate5,174Btu/kWhfossil units, electric fuel, HHV
First online1999Runs 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 | 3,447.2 | — | — |
| 2002 | 2,851 | — | — |
| 2003 | 3,041.3 | 75.5% | 8,482 |
| 2004 | 2,813.8 | 69.6% | 8,479 |
| 2005 | 2,535 | 62.9% | 8,457 |
| 2006 | 2,643 | 65.6% | 8,479 |
| 2007 | 2,768.8 | 68.7% | 8,465 |
| 2008 | 2,550.3 | 63.1% | 8,479 |
| 2009 | 2,796.5 | 69.4% | 8,474 |
| 2010 | 2,782.5 | 69.0% | 8,479 |
| 2011 | 2,684.3 | 66.6% | 8,491 |
| 2012 | 2,758.4 | 68.3% | 8,440 |
| 2013 | 3,034.1 | 75.3% | 8,382 |
| 2014 | 3,051.8 | 75.7% | 8,407 |
| 2015 | 2,962.3 | 73.5% | 8,290 |
| 2016 | 3,007.9 | 74.4% | 5,165 |
| 2017 | 2,552.5 | 63.3% | 5,186 |
| 2018 | 2,596 | 64.4% | 5,184 |
| 2019 | 2,996 | 74.4% | 5,179 |
| 2020 | 2,955.7 | 73.2% | 5,164 |
| 2021 | 2,655.5 | 65.9% | 5,172 |
| 2022 | 2,856.3 | 70.9% | 5,179 |
| 2023 | 2,736.7 | 67.9% | 5,193 |
| 2024 | 2,672.3 | 66.1% | 5,189 |
| 2025 | 2,868.5 | 71.2% | 5,172 |
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 |
|---|---|---|---|---|---|---|---|---|
| CTG1 | Natural Gas Fired Combined Cycle | CT | 170.1 | 155 | Jul 1999 | Operating | — | coming soon |
| CTG2 | Natural Gas Fired Combined Cycle | CT | 170.1 | 155 | Jul 1999 | Operating | — | coming soon |
| STG | Natural Gas Fired Combined Cycle | CA | 176.8 | 150 | Jul 1999 | Operating | — | coming soon |
Owner / operator
Operator: Ingleside Cogeneration LP. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Oxy Cogener Holding Co Inc | 98.0% | 507 MW |
| Ingleside Cogeneration LP | 2.0% | 10 MW |
Nearby plants
Within 80 km.
| Gregory Power Facility | 470 MW | 1.7 km |
| Regis Gregory | 10 MW | 7.8 km |
| Midway Wind, LLC | 163 MW | 9.8 km |
| EC&R Papalote Creek II LLC | 200 MW | 13.6 km |
| Nueces Bay | 730 MW | 18.7 km |
| Peacock Energy Project | 150 MW | 19.3 km |