Haynes
Natural gas power plant in Los Angeles County, California. 1,739.1 MW of nameplate capacity across 11 generators, operated by Los Angeles Department of Water & Power.
Also known as Haynes Generating Station · EIA plant 400
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 1,739.1 MWNameplate
- Generators
- 11 operatingEIA-860M, August 2026
- Operating since
- September 1962First generator online
- Operator
- Los Angeles Department of Water & PowerEIA operator ID 11208
- Grid
- LDWPBalancing authority LDWP
- Price nodes
- None linkedNo verified ISO node
- Location
- Los Angeles County, CA33.7647, −118.0991
- EIA plant ID
- 400EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Haynes produces
Free · EIA-923Net generation, 2025
1.65 TWh
1,652,416 MWh, final
Capacity factor, 2025
10.8%
2024: 16.5%
January to July 2026
686 GWh
Provisional
Range, 2015 to 2025
1.7–3.7
TWh a year. Low 2025, high 2020
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 3,568,531 | Not reported | 12 of 12 |
| 2001 | 3,315,253 | Not reported | 12 of 12 |
| 2002 | 2,328,262 | Not reported | 12 of 12 |
| 2003 | 2,484,718 | Not reported | 12 of 12 |
| 2004 | 2,046,335 | Not reported | 12 of 12 |
| 2005 | 3,648,482 | Not reported | 12 of 12 |
| 2006 | 3,481,806 | Not reported | 12 of 12 |
| 2007 | 4,003,233 | Not reported | 12 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 | 2,878,544 | 18.9% | 12 of 12 |
| 2016 | 3,368,110 | 22.0% | 12 of 12 |
| 2017 | 2,853,921 | 18.7% | 12 of 12 |
| 2018 | 2,865,241 | 20.6% | 11 of 12 |
| 2019 | 2,926,944 | 19.2% | 12 of 12 |
| 2020 | 3,680,122 | 24.1% | 12 of 12 |
| 2021 | 2,602,487 | 17.1% | 12 of 12 |
| 2022 | 2,562,641 | 16.8% | 12 of 12 |
| 2023 | 2,549,667 | 16.7% | 12 of 12 |
| 2024 | 2,526,444 | 16.5% | 12 of 12 |
| 2025 | 1,652,416 | 10.8% | 12 of 12 |
| 2026 (provisional, partial year) | 686,234 | 7.8% | 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
747,784
US short tons. 2024: 1.12M
SO₂, 2025
4
US short tons
NOx, 2025
46
US short tons
CO₂ per MWh, calculated
0.45 t
About 905 lb per MWh
10 of 10 EPA units reported CO₂ in 2025 (1, 10, 11, 12, 13, 14, 15, 16, and others), matched to EIA plant 400 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
126,038
million gallons
Consumption, 2024
Not reported
million gallons
Source
Pacific Ocean
Other, Other. Once-through
Watershed stress
High · 0.799
USGS SUI, HUC12 Alamitos Bay
36 of 36 cooling months report withdrawal. Saline, brackish or ocean intake; not tested. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Natural Gas Steam Turbine | 230.0 | September 1962 |
| 2 | Natural Gas Steam Turbine | 230.0 | April 1963 |
| 8 | Natural Gas Fired Combined Cycle | 264.3 | January 2005 |
| 9 | Natural Gas Fired Combined Cycle | 182.8 | January 2005 |
| 10 | Natural Gas Fired Combined Cycle | 182.8 | January 2005 |
| 11 | Natural Gas Fired Combustion Turbine | 108.2 | June 2013 |
| 12 | Natural Gas Fired Combustion Turbine | 108.2 | June 2013 |
| 13 | Natural Gas Fired Combustion Turbine | 108.2 | June 2013 |
| 14 | Natural Gas Fired Combustion Turbine | 108.2 | June 2013 |
| 15 | Natural Gas Fired Combustion Turbine | 108.2 | June 2013 |
| 16 | Natural Gas Fired Combustion Turbine | 108.2 | June 2013 |
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 Los Angeles Department of Water & Power 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 Haynes
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Questions about Haynes
How much power does Haynes produce?
Haynes reported 1,652,416 MWh (1.65 TWh) of net generation in 2025, a 10.8% capacity factor on 1,739.1 MW of nameplate capacity. From January to July 2026 it reported 686 GWh, which is provisional.
Where is Haynes?
Haynes is in Los Angeles County, California, at 33.7647, −118.0991. It is in the Los Angeles Department of Water and Power balancing area (LDWP).
Who operates Haynes?
EIA-860M for August 2026 lists Los Angeles Department of Water & Power as the operator (EIA operator ID 11208). The operator is not always the owner.
When did Haynes start operating?
Its first generator began operating in September 1962, 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