Colorado Bend II
Natural gas power plant in Wharton County, Texas. 1,230.3 MW of nameplate capacity across 3 generators, operated by Constellation Power, Inc.
Also known as Colorado Bend Power Plant II · EIA plant 60122
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Key facts
- Capacity
- 1,230.3 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- June 2017First generator online
- Operator
- Constellation Power, IncEIA operator ID 6035
- Grid
- ERCOTBalancing authority ERCO
- Price nodes
- None linkedNo verified ISO node
- Location
- Wharton County, TX29.2894, −96.0654
- EIA plant ID
- 60122EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Colorado Bend II produces
Free · EIA-923Net generation, 2025
6.07 TWh
6,072,459 MWh, final
Capacity factor, 2025
56.3%
2024: 64.6%
January to July 2026
3.93 TWh
Provisional
Range, 2018 to 2025
4.5–7.8
TWh a year. Low 2018, high 2023
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | Not reported | Not reported | 0 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | 3,120,379 | Not reported | 7 of 12 |
| 2018 | 4,510,963 | 41.9% | 12 of 12 |
| 2019 | 6,104,477 | 56.6% | 12 of 12 |
| 2020 | 5,598,517 | 51.8% | 12 of 12 |
| 2021 | 6,170,995 | 57.3% | 12 of 12 |
| 2022 | 6,437,284 | 59.7% | 12 of 12 |
| 2023 | 7,844,808 | 72.8% | 12 of 12 |
| 2024 | 6,978,581 | 64.6% | 12 of 12 |
| 2025 | 6,072,459 | 56.3% | 12 of 12 |
| 2026 (provisional, partial year) | 3,928,655 | 62.8% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDCO₂, 2025
2.40M
US short tons. 2024: 2.79M
SO₂, 2025
12
US short tons
NOx, 2025
98
US short tons
CO₂ per MWh, calculated
0.40 t
About 792 lb per MWh
2 of 2 EPA units reported CO₂ in 2025 (CT7, CT8), matched to EIA plant 60122 through the EPA–EIA crosswalk. The per-MWh rate is EPA CO₂ divided by EIA-923 net generation. The two reporting boundaries can differ.
Water use
Free · EIA-923 cooling, USGSWithdrawal, 2024
Not reported
million gallons as reported; not used, see note
Consumption, 2024
Not reported
million gallons
Source
Not reported
Dry cooling
Watershed stress
Moderate · 0.472
USGS SUI, HUC12 Jarvis Creek-Colorado River
0 of 12 cooling months report withdrawal. Dry cooling with no reported withdrawal; not tested. Consumption is below 5% of a large reported withdrawal, so the withdrawal is not used. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| CT7 | Natural Gas Fired Combined Cycle | 360.9 | June 2017 |
| CT8 | Natural Gas Fired Combined Cycle | 360.9 | June 2017 |
| STG9 | Natural Gas Fired Combined Cycle | 508.5 | June 2017 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Constellation Power, Inc as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Power plants near Colorado Bend II
More plants operated by Constellation Power, Inc
Questions about Colorado Bend II
How much power does Colorado Bend II produce?
Colorado Bend II reported 6,072,459 MWh (6.07 TWh) of net generation in 2025, a 56.3% capacity factor on 1,230.3 MW of nameplate capacity. From January to July 2026 it reported 3.93 TWh, which is provisional.
Where is Colorado Bend II?
Colorado Bend II is in Wharton County, Texas, at 29.2894, −96.0654. It is in the Electric Reliability Council of Texas, Inc. balancing area (ERCO).
Who operates Colorado Bend II?
EIA-860M for August 2026 lists Constellation Power, Inc as the operator (EIA operator ID 6035). The operator is not always the owner.
When did Colorado Bend II start operating?
Its first generator began operating in June 2017, according to EIA-860M.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- EPA CAMPD annual emissions through the EPA–EIA crosswalk, 1995 to 2025
- EIA-923 cooling water 2024 and the USGS surface water supply and use index, Water years 2010-2020 (Oct 2009 to Sep 2020), mean of monthly values
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page