Agua Fria
Natural gas project in Maricopa County, Arizona. 737.5 MW of nameplate capacity across 10 generators, operated by Salt River Project.
Also known as Agua Fria Generating Station · EIA plant 141
This project groups Agua Fria (EIA 141). EIA reports them as separate plants.
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Key facts
- Capacity
- 737.5 MWNatural gas 712.3 · Solar 0.2 · Battery storage 25.0
- Generators
- 10 operatingEIA-860M, August 2026
- Operating since
- April 1957First generator online
- Operator
- Salt River ProjectEIA operator ID 16572
- Grid
- SRPBalancing authority SRP
- Price nodes
- None linkedNo verified ISO node
- Location
- Maricopa County, AZ33.5561, −112.2153
- EIA plant ID
- 141EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Agua Fria produces
Free · EIA-923Net generation, 2025
244 GWh
244,296 MWh, final
Capacity factor, 2025
4.0%
2024: Not reported
January to July 2026
85.7 GWh
Provisional
Range, 2015 to 2025
84.9–342.5
GWh a year. Low 2016, high 2020
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 2,043,449 | Not reported | 12 of 12 |
| 2001 | 2,171,487 | Not reported | 12 of 12 |
| 2002 | 682,660 | Not reported | 12 of 12 |
| 2003 | 424,895 | Not reported | 10 of 12 |
| 2004 | 306,135 | Not reported | 12 of 12 |
| 2005 | 141,617 | Not reported | 12 of 12 |
| 2006 | 142,731 | Not reported | 12 of 12 |
| 2007 | 200,689 | Not reported | 12 of 12 |
| 2008 | 153,247 | Not reported | 12 of 12 |
| 2009 | 64,728 | Not reported | 12 of 12 |
| 2010 | 18,747 | 0.3% | 12 of 12 |
| 2011 | 42,628 | 0.8% | 12 of 12 |
| 2012 | 54,642 | 1.0% | 12 of 12 |
| 2013 | 32,346 | 7.1% | 1 of 12 |
| 2014 | 15,774 | 0.4% | 8 of 12 |
| 2015 | 109,799 | 2.0% | 12 of 12 |
| 2016 | 84,854 | 1.6% | 12 of 12 |
| 2017 | 199,527 | 3.7% | 12 of 12 |
| 2018 | 148,612 | 2.8% | 12 of 12 |
| 2019 | 228,022 | 4.2% | 12 of 12 |
| 2020 | 342,453 | 6.4% | 12 of 12 |
| 2021 | 26,627 | Not reported | 4 of 12 |
| 2022 | 133,958 | Not reported | 12 of 12 |
| 2023 | 152,080 | 2.5% | 12 of 12 |
| 2024 | 234,752 | Not reported | 12 of 12 |
| 2025 | 244,296 | 4.0% | 12 of 12 |
| 2026 (provisional, partial year) | 85,735 | 2.4% | 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
145,812
US short tons. 2024: 133,475
SO₂, 2025
1
US short tons
NOx, 2025
369
US short tons
CO₂ per MWh, calculated
0.60 t
About 1,194 lb per MWh
5 of 5 EPA units reported CO₂ in 2025 (1, 2, 3, 7, 8), matched to EIA plant 141 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
413
million gallons
Consumption, 2024
240
million gallons
Source
Wells
Ground, Fresh. Induced-draft tower
Watershed stress
High · 0.679
USGS SUI, HUC12 City of Peoria-New River
12 of 12 cooling months report withdrawal. Groundwater user; SUI describes surface water and is context only. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| AF1 | Natural Gas Steam Turbine | 113.6 | January 1958 |
| AF2 | Natural Gas Steam Turbine | 113.6 | April 1957 |
| AF3 | Natural Gas Steam Turbine | 163.2 | April 1961 |
| AF4 | Natural Gas Fired Combustion Turbine | 80.5 | May 1975 |
| AF5 | Natural Gas Fired Combustion Turbine | 71.2 | July 1974 |
| AF6 | Natural Gas Fired Combustion Turbine | 71.2 | July 1974 |
| AF7 | Natural Gas Fired Combustion Turbine | 49.5 | August 2022 |
| AF8 | Natural Gas Fired Combustion Turbine | 49.5 | August 2022 |
| AFSB1 | Batteries | 25.0 | September 2021 |
| PV-3 | Solar Photovoltaic | 0.2 | June 2001 |
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 Salt River Project 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 Agua Fria
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Questions about Agua Fria
How much power does Agua Fria produce?
Agua Fria reported 244,296 MWh (244 GWh) of net generation in 2025, a 4.0% capacity factor on 737.5 MW of nameplate capacity. From January to July 2026 it reported 85.7 GWh, which is provisional.
Where is Agua Fria?
Agua Fria is in Maricopa County, Arizona, at 33.5561, −112.2153. It is in the Salt River Project balancing area (SRP).
Who operates Agua Fria?
EIA-860M for August 2026 lists Salt River Project as the operator (EIA operator ID 16572). The operator is not always the owner.
When did Agua Fria start operating?
Its first generator began operating in April 1957, 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