Lewis Creek
Natural gas power plant in Montgomery County, Texas. 542.8 MW of nameplate capacity across 2 generators, operated by Entergy Texas Inc..
Also known as Lewis Creek Power Plant · EIA plant 3457
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Key facts
- Capacity
- 542.8 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- December 1970First generator online
- Operator
- Entergy Texas Inc.EIA operator ID 55937
- Grid
- MISOBalancing authority MISO
- Price nodes
- 2 MISO nodesResource nodes with prices
- Location
- Montgomery County, TX30.4356, −95.5214
- EIA plant ID
- 3457EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Lewis Creek produces
Free · EIA-923Net generation, 2025
1.87 TWh
1,867,914 MWh, final
Capacity factor, 2025
39.3%
2024: 47.0%
January to July 2026
1.17 TWh
Provisional
Range, 2015 to 2025
1.3–2.4
TWh a year. Low 2021, high 2016
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 2,855,245 | Not reported | 12 of 12 |
| 2001 | 2,525,762 | Not reported | 12 of 12 |
| 2002 | 2,276,678 | Not reported | 12 of 12 |
| 2003 | 2,132,815 | Not reported | 12 of 12 |
| 2004 | 1,765,515 | Not reported | 12 of 12 |
| 2005 | 1,920,692 | Not reported | 12 of 12 |
| 2006 | 1,721,739 | Not reported | 12 of 12 |
| 2007 | 1,878,711 | Not reported | 12 of 12 |
| 2008 | 2,068,913 | Not reported | 12 of 12 |
| 2009 | 1,742,995 | Not reported | 12 of 12 |
| 2010 | 1,860,172 | 39.1% | 12 of 12 |
| 2011 | 1,719,567 | 36.2% | 12 of 12 |
| 2012 | 1,503,571 | 31.5% | 12 of 12 |
| 2013 | 1,455,784 | 30.6% | 12 of 12 |
| 2014 | 1,450,291 | 30.5% | 12 of 12 |
| 2015 | 2,227,087 | 46.8% | 12 of 12 |
| 2016 | 2,363,447 | 49.6% | 12 of 12 |
| 2017 | 1,735,264 | 36.5% | 12 of 12 |
| 2018 | 1,996,351 | 42.0% | 12 of 12 |
| 2019 | 2,192,164 | 46.1% | 12 of 12 |
| 2020 | 2,297,947 | 48.2% | 12 of 12 |
| 2021 | 1,298,768 | 27.3% | 12 of 12 |
| 2022 | 1,829,465 | 38.5% | 12 of 12 |
| 2023 | 1,788,775 | 37.6% | 12 of 12 |
| 2024 | 2,240,538 | 47.0% | 12 of 12 |
| 2025 | 1,867,914 | 39.3% | 12 of 12 |
| 2026 (provisional, partial year) | 1,172,511 | 42.5% | 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 account · MISOEmissions
Free · EPA CAMPDCO₂, 2025
1.19M
US short tons. 2024: 1.39M
SO₂, 2025
6
US short tons
NOx, 2025
245
US short tons
CO₂ per MWh, calculated
0.64 t
About 1,277 lb per MWh
2 of 2 EPA units reported CO₂ in 2025 (1, 2), matched to EIA plant 3457 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
139,808
million gallons
Consumption, 2024
1,991
million gallons
Source
Lake Conroe
Surface, Fresh. Recirculating with cooling pond
Watershed stress
Moderate · 0.436
USGS SUI, HUC12 Little Lake Creek-Lake Conroe
12 of 12 cooling months report withdrawal. SUI of the HUC12 containing the plant. Cooling-pond plants report water circulated through the pond as withdrawal, so withdrawal is far above consumption. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Natural Gas Steam Turbine | 271.4 | December 1970 |
| 2 | Natural Gas Steam Turbine | 271.4 | May 1971 |
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 Entergy Texas 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 Lewis Creek
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Questions about Lewis Creek
How much power does Lewis Creek produce?
Lewis Creek reported 1,867,914 MWh (1.87 TWh) of net generation in 2025, a 39.3% capacity factor on 542.8 MW of nameplate capacity. From January to July 2026 it reported 1.17 TWh, which is provisional.
Where is Lewis Creek?
Lewis Creek is in Montgomery County, Texas, at 30.4356, −95.5214. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Lewis Creek?
EIA-860M for August 2026 lists Entergy Texas Inc. as the operator (EIA operator ID 55937). The operator is not always the owner.
When did Lewis Creek start operating?
Its first generator began operating in December 1970, according to EIA-860M.
Does InfraMap have power prices for Lewis Creek?
Yes. InfraMap has MISO day-ahead and real-time prices at 2 price nodes linked to Lewis Creek, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
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
- MISO day-ahead and real-time prices; node and hub assignments as of 2026-10-05
- 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