Ocotillo
1500 East University, Tempe, AZ 85281Plant Summary Information
Ocotillo is ranked #38 out of 168 power plants in Arizona in terms of total annual net electricity generation.
Ocotillo is comprised of 7 generators and generated 22.8 GWh during the 3-month period between June 2025 to September 2025.
| Plant Name | Ocotillo |
|---|---|
| Utility Name | Arizona Public Service Co |
| Location | Maricopa County, AZ |
| Initial Operation Date | March 1960 |
| Last Update | Sep 2025 |
| Annual Generation | 473.2 GWh |
| Annual Consumption | 4.6 M MMBtu |
| Ranked #1,391 out of 12,539 Power Plants Nationwide | |
| Ranked #571 out of 2,243 Natural Gas Power Plants Nationwide | |
| Ranked #38 out of 168 Arizona Power Plants | |
| Ranked #18 out of 35 Arizona Natural Gas Power Plants | |
| Fuel Types | Natural Gas |
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Monthly Net Generation for Ocotillo
Ocotillo Details
| Summary Information | |
|---|---|
| Plant Name | Ocotillo (116) |
| Plant Address | 1500 East University, Tempe, AZ 85281 |
| Utility | Arizona Public Service Co (803) |
| Latitude, Longitude | 33.4225, -111.9122 |
| Generation Dates on File | Jan 2001 to Sep 2025 |
| Initial Operation Date | March 1960 |
| Annual Generation | 473.2 GWh |
| Fuel Types | Natural Gas |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | No |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Regulated |
| NERC Region | WECC |
| Balancing Authority | Arizona Public Service Company (AZPS) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | Wells |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Arizona Public Service Co (803) AZ |
| Grid Voltage | 69.00 kV |
| Energy Storage | No |
| Natural Gas Information | |
| Pipeline Name | EL PASO NATURAL GAS COMPANY LLC |
| Natural Gas Storage | No |
Generator GT1 Details Operating May 1972
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 53.1 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 50 MW |
| Winter Capacity | 56 MW |
| Minimum Load | 4 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | May 1972 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Startup Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 1H |
| Multiple Fuels | No |
Generator GT2 Details Operating July 1973
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 53.1 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 50 MW |
| Winter Capacity | 56 MW |
| Minimum Load | 4 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | July 1973 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 1H |
| Multiple Fuels | No |
Generator GT3 Details Operating April 2019
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 140 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 104 MW |
| Winter Capacity | 107 MW |
| Minimum Load | 45 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | April 2019 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
Generator GT4 Details Operating April 2019
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 140 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 102 MW |
| Winter Capacity | 103 MW |
| Minimum Load | 45 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | April 2019 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
Generator GT6 Details Operating April 2019
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 140 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 101 MW |
| Winter Capacity | 103 MW |
| Minimum Load | 45 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | April 2019 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
Generator GT7 Details Operating April 2019
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 140 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 104 MW |
| Winter Capacity | 105 MW |
| Minimum Load | 45 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | April 2019 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
Generator GT5 Details Operating May 2019
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 140 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 104 MW |
| Winter Capacity | 105 MW |
| Minimum Load | 45 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | May 2019 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
Ocotillo Plant Owners
| Owner Name | Address | Generator | Ownership | We couldn't locate any owners for this plant |
|---|
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Natural Gas.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #561 | Cheyenne Prairie Generating Station | Cheyenne, WY | 493.0 GWh |
| #562 | Mustang | Oklahoma City, OK | 495.4 GWh |
| #563 | Oleander Power Project LP | Cocoa, FL | 488.9 GWh |
| #564 | Thomas Fitzhugh | Ozark, AR | 484.4 GWh |
| #565 | Millennium Power | Charlton, MA | 482.2 GWh |
| #566 | Pensacola Florida Plant | Cantonment, FL | 481.7 GWh |
| #567 | Shute Creek Facility | Kemmerer, WY | 824.1 GWh |
| #568 | Mountain Creek | Dallas, TX | 479.5 GWh |
| #569 | Oxnard | Oxnard, CA | 479.4 GWh |
| #570 | Masspower | Indian Orchard, MA | 475.7 GWh |
| #572 | Victoria Texas Plant | Victoria, TX | 472.4 GWh |
| #573 | Richard M Flynn | Holtsville, NY | 469.0 GWh |
| #574 | South Belridge Cogeneration Facility | McKittrick, CA | 466.8 GWh |
| #575 | Georgetown | Indianapolis, IN | 466.1 GWh |
| #576 | Permian Basin | Monahans, TX | 464.5 GWh |
| #577 | Aurora | Aurora, IL | 459.7 GWh |
| #578 | Astoria Station | Astoria, SD | 459.0 GWh |
| #579 | Fort Churchill | Yerington, NV | 453.4 GWh |
| #580 | Belle River | China Twp, MI | 7.5 TWh |
| #581 | West Valley Generation Project | West Valley City, UT | 452.3 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Ocotillo.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Agua Fria | Glendale, AZ | 243.5 GWh | 19.8 mi |
| Arizona State University CHP | Tempe, AZ | 40.2 GWh | 1 mi |
| AZ State University - Tempe Campus Solar | Tempe, AZ | 1.1 GWh | 0.9 mi |
| Banner Solar Ironwood | Queen Creek, AZ | 3.8 GWh | 24.6 mi |
| Estrella Mountain PV | Avondale, AZ | 3.8 GWh | 24.7 mi |
| Gilbert Solar Facility I, LLC | Gilbert, AZ | 3.8 GWh | 7.8 mi |
| Intel - Ocotillo Campus Solar | Chandler, AZ | 2.3 GWh | 12.4 mi |
| Jewish Community Center PV | Scottsdale, AZ | 1.8 GWh | 12.5 mi |
| Kyrene | Tempe, AZ | 910.1 GWh | 4.8 mi |
| Luke Solar | Glendale, AZ | 32.2 GWh | 27.9 mi |
| Mesa Carport PV | Mesa, AZ | 7.5 GWh | 18.6 mi |
| Paradise Valley H.S. PV | Phoenix, AZ | 2.1 GWh | 16 mi |
| Phoenix Airport East Economy Lot | Phoenix, AZ | 1.3 GWh | 4.2 mi |
| Phoenix Airport Rental Car Center | Phoenix, AZ | 4.4 GWh | 7.7 mi |
| Queen Creek Solar Farm | Queen Creek, AZ | 40.7 GWh | 20.4 mi |
| Santan | Gilbert, AZ | 5.8 TWh | 11.2 mi |
| Stewart Mountain | Phoenix, AZ | 45.7 GWh | 23.8 mi |
| T0588 Phoenix - AZ | Phoenix, AZ | 2.1 GWh | 17.7 mi |
| TJX Phoenix | Phoenix, AZ | 5.0 GWh | 15.3 mi |
| West Phoenix | Phoenix, AZ | 4.2 TWh | 14.3 mi |