Harquahala Generating Project
2530 North 491 Ave, Tonopah, AZ 85354Plant Summary Information
Harquahala Generating Project is ranked #9 out of 168 power plants in Arizona in terms of total annual net electricity generation.
Harquahala Generating Project is comprised of 6 generators and generated 1.8 TWh during the 3-month period between June 2025 to September 2025.
| Plant Name | Harquahala Generating Project |
|---|---|
| Utility Name | New Harquahala Generating Co, LLC |
| Location | Maricopa County, AZ |
| Initial Operation Date | June 2004 |
| Last Update | Sep 2025 |
| Annual Generation | 3.5 TWh |
| Annual Consumption | 29.1 M MMBtu |
| Ranked #337 out of 12,539 Power Plants Nationwide | |
| Ranked #185 out of 2,243 Natural Gas Power Plants Nationwide | |
| Ranked #9 out of 168 Arizona Power Plants | |
| Ranked #7 out of 35 Arizona Natural Gas Power Plants | |
| Fuel Types | Natural Gas |
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Monthly Net Generation for Harquahala Generating Project
Harquahala Generating Project Details
| Summary Information | |
|---|---|
| Plant Name | Harquahala Generating Project (55372) |
| Plant Address | 2530 North 491 Ave, Tonopah, AZ 85354 |
| Utility | New Harquahala Generating Co, LLC (32790) |
| Latitude, Longitude | 33.47596, -113.11343 |
| Generation Dates on File | Sep 2004 to Sep 2025 |
| Initial Operation Date | June 2004 |
| Annual Generation | 3.5 TWh |
| 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 | Yes |
| FERC Exempt Wholesale Generator Docket Number | 01-81-000 |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | WECC |
| Balancing Authority | New Harquahala Generating Company, LLC - HGBA (HGMA) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | Central Arizona Project/Well |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Salt River Project (16572) AZ |
| Grid Voltage | 525.00 kV |
| Energy Storage | No |
| Natural Gas Information | |
| Pipeline Name | EL PASO NATURAL GAS COMPANY LLC |
| Natural Gas Storage | No |
Generator CTG1 Details Operating June 2004
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Combustion Turbine Part |
| Unit Code | BLK1 |
| Ownership | Jointly Owned |
| Can Bypass Heat Recovery Steam Generator | No |
| Nameplate Capacity | 281.7 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 239.9 MW |
| Winter Capacity | 244 MW |
| Minimum Load | 135.4 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | June 2004 |
| Combined Heat & Power | No |
|---|---|
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Natural Gas |
| Startup Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 12H |
| Ultrasupercritical Technology | No |
| Other Planned Modifications | No |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator STG1 Details Operating June 2004
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Steam Part |
| Unit Code | BLK1 |
| Ownership | Jointly Owned |
| Duct Burners | No |
| Nameplate Capacity | 144 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 119.8 MW |
| Winter Capacity | 121.8 MW |
| Minimum Load | 88.8 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | June 2004 |
| Combined Heat & Power | No |
|---|---|
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Natural Gas |
| Startup Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 12H |
| Pulverized Coal Technology | No |
| Ultrasupercritical Technology | No |
| Other Planned Modifications | No |
| Multiple Fuels | No |
| Cofire Fuels | No |
Generator CTG3 Details Operating August 2004
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Combustion Turbine Part |
| Unit Code | BLK3 |
| Ownership | Jointly Owned |
| Can Bypass Heat Recovery Steam Generator | No |
| Nameplate Capacity | 281.7 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 226.2 MW |
| Winter Capacity | 245.2 MW |
| Minimum Load | 135.3 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | August 2004 |
| Combined Heat & Power | No |
|---|---|
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Natural Gas |
| Startup Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 12H |
| Ultrasupercritical Technology | No |
| Other Planned Modifications | No |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator STG3 Details Operating August 2004
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Steam Part |
| Unit Code | BLK3 |
| Ownership | Jointly Owned |
| Duct Burners | No |
| Nameplate Capacity | 144 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 115.5 MW |
| Winter Capacity | 120.4 MW |
| Minimum Load | 87.1 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | August 2004 |
| Combined Heat & Power | No |
|---|---|
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Natural Gas |
| Startup Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 12H |
| Pulverized Coal Technology | No |
| Ultrasupercritical Technology | No |
| Other Planned Modifications | No |
| Multiple Fuels | No |
| Cofire Fuels | No |
Generator CTG2 Details Operating September 2004
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Combustion Turbine Part |
| Unit Code | BLK2 |
| Ownership | Jointly Owned |
| Can Bypass Heat Recovery Steam Generator | No |
| Nameplate Capacity | 281.7 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 226.6 MW |
| Winter Capacity | 247.8 MW |
| Minimum Load | 137.4 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | September 2004 |
| Combined Heat & Power | No |
|---|---|
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Natural Gas |
| Startup Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 12H |
| Ultrasupercritical Technology | No |
| Other Planned Modifications | No |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator STG2 Details Operating September 2004
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Steam Part |
| Unit Code | BLK2 |
| Ownership | Jointly Owned |
| Duct Burners | No |
| Nameplate Capacity | 144 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 114.9 MW |
| Winter Capacity | 121.1 MW |
| Minimum Load | 85.9 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | September 2004 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Natural Gas |
| Startup Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 12H |
| Ultrasupercritical Technology | No |
| Other Planned Modifications | No |
| Multiple Fuels | No |
| Cofire Fuels | No |
Harquahala Generating Project Plant Owners
| Owner Name | Address | Generator | Ownership |
|---|---|---|---|
| Capital Power Corporation | 1200-10423 101 Street NW, Edmonton, AB T5H 0E9 | Generator CTG1 | 50.00% |
| BlackRock Inc. | 40 East 52nd St., New York, NY 10022 | Generator CTG1 | 50.00% |
| Capital Power Corporation | 1200-10423 101 Street NW, Edmonton, AB T5H 0E9 | Generator CTG2 | 50.00% |
| BlackRock Inc. | 40 East 52nd St., New York, NY 10022 | Generator CTG2 | 50.00% |
| Capital Power Corporation | 1200-10423 101 Street NW, Edmonton, AB T5H 0E9 | Generator CTG3 | 50.00% |
| BlackRock Inc. | 40 East 52nd St., New York, NY 10022 | Generator CTG3 | 50.00% |
| Capital Power Corporation | 1200-10423 101 Street NW, Edmonton, AB T5H 0E9 | Generator STG1 | 50.00% |
| BlackRock Inc. | 40 East 52nd St., New York, NY 10022 | Generator STG1 | 50.00% |
| Capital Power Corporation | 1200-10423 101 Street NW, Edmonton, AB T5H 0E9 | Generator STG2 | 50.00% |
| BlackRock Inc. | 40 East 52nd St., New York, NY 10022 | Generator STG2 | 50.00% |
| Capital Power Corporation | 1200-10423 101 Street NW, Edmonton, AB T5H 0E9 | Generator STG3 | 50.00% |
| BlackRock Inc. | 40 East 52nd St., New York, NY 10022 | Generator STG3 | 50.00% |
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Natural Gas.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #175 | Fox Energy Center | Wrightstown, WI | 3.6 TWh |
| #176 | Mesquite Generating Station Block 1 | Arlington, AZ | 3.6 TWh |
| #177 | Magnet Cove | Malvern, AR | 3.6 TWh |
| #178 | Washington Energy Facility | Beverly, OH | 3.5 TWh |
| #179 | Woodbridge Energy Center | Keasbey, NJ | 3.5 TWh |
| #180 | Bethlehem Energy Center | Glenmont, NY | 3.5 TWh |
| #181 | Perryville Power Station | Sterlington, LA | 3.5 TWh |
| #182 | Cherokee | Denver, CO | 3.5 TWh |
| #183 | ANP Bellingham Energy Project | Bellingham, MA | 3.5 TWh |
| #184 | McWilliams | Gantt, AL | 3.5 TWh |
| #186 | High Desert Power Plant | Victorville, CA | 3.5 TWh |
| #187 | Bridgeport Station | Bridgeport, CT | 3.5 TWh |
| #188 | Arthur Von Rosenberg | Elmendorf, TX | 3.4 TWh |
| #189 | Arlington Valley Energy Facility | Arlington, AZ | 3.4 TWh |
| #190 | Dearborn Industrial Generation | Dearborn, MI | 4.0 TWh |
| #191 | Central Alabama Generating Station | Billingsley, AL | 3.4 TWh |
| #192 | Jasper | Hardeeville, SC | 3.4 TWh |
| #193 | Grays Harbor Energy Facility | Elma, WA | 3.4 TWh |
| #194 | Marshalltown Generating Station | Marshalltown, IA | 3.4 TWh |
| #195 | Athens Generating Plant | Athens, NY | 3.4 TWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Harquahala Generating Project.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Agave | Arlington, AZ | 333.8 GWh | 19 mi |
| Arlington Valley Energy Facility | Arlington, AZ | 3.4 TWh | 15.9 mi |
| Arlington Valley Solar Energy II | Arlington, AZ | 341.2 GWh | 20 mi |
| Badger 1 | Tonopah, AZ | 33.2 GWh | 17.4 mi |
| Harquahala 2 | Tonopah, AZ | 494.8 GWh | 1.1 mi |
| Harquahala Sun Solar Project | Tonopah, AZ | 228.0 GWh | 2.7 mi |
| Mesquite Generating Station Block 1 | Arlington, AZ | 3.6 TWh | 17 mi |
| Mesquite Generating Station Block 2 | Arlington, AZ | 4.1 TWh | 17 mi |
| Mesquite Solar 1 | Tonopah, AZ | 401.4 GWh | 15.2 mi |
| Mesquite Solar 2, LLC | Tonopah, AZ | 288.9 GWh | 15.3 mi |
| Mesquite Solar 3, LLC | Tonopah, AZ | 448.5 GWh | 13.5 mi |
| Mesquite Solar 4, LLC | Tonopah, AZ | 147.7 GWh | 15.2 mi |
| Mesquite Solar 5, LLC | Tonopah, AZ | 134.8 GWh | 15.3 mi |
| Palo Verde | Wintersburg, AZ | 32.0 TWh | 15.7 mi |
| Red Hawk | Arlington, AZ | 4.8 TWh | 18.5 mi |
| Saddle Mountain Solar I | Tonopah, AZ | 34.5 GWh | 7.8 mi |
| Sun Streams 2 | Hassayampa, AZ | 327.6 GWh | 20.2 mi |
| Sun Streams 3 | Arlington, AZ | 469.7 GWh | 20 mi |
| Sun Streams 4 | Tonopah, AZ | 513.7 GWh | 20.8 mi |
| Sun Streams, LLC | Arlington, AZ | 405.6 GWh | 18.3 mi |