H Wilson Sundt Generating Station
3950 E Irvington Road, Tucson, AZ 85714Plant Summary Information
H Wilson Sundt Generating Station is ranked #19 out of 165 power plants in Arizona in terms of total annual net electricity generation.
H Wilson Sundt Generating Station is comprised of 14 generators and generated 314.3 GWh during the 3-month period between January 2025 to April 2025.
| Plant Name | H Wilson Sundt Generating Station |
|---|---|
| Utility Name | Tucson Electric Power Co |
| Location | Pima County, AZ |
| Initial Operation Date | December 1958 |
| Last Update | Apr 2025 |
| Annual Generation | 1.9 TWh |
| Annual Consumption | 21.4 M MMBtu |
| Ranked #531 out of 12,299 Power Plants Nationwide | |
| Ranked #331 out of 2,221 Natural Gas Power Plants Nationwide | |
| Ranked #19 out of 165 Arizona Power Plants | |
| Ranked #15 out of 35 Arizona Natural Gas Power Plants | |
| Fuel Types | Natural Gas |
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Monthly Net Generation for H Wilson Sundt Generating Station
H Wilson Sundt Generating Station Details
| Summary Information | |
|---|---|
| Plant Name | H Wilson Sundt Generating Station (126) |
| Plant Address | 3950 E Irvington Road, Tucson, AZ 85714 |
| Utility | Tucson Electric Power Co (24211) |
| Latitude, Longitude | 32.16, -110.9047 |
| Generation Dates on File | Jan 2001 to Apr 2025 |
| Initial Operation Date | December 1958 |
| Annual Generation | 1.9 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 | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Regulated |
| NERC Region | WECC |
| Balancing Authority | Tucson Electric Power Company (TEPC) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | Wells |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Tucson Electric Power Co (24211) AZ |
| Grid Voltage | 138.00 kV |
| Energy Storage | No |
| Natural Gas Information | |
| Pipeline Name | EL PASO NATURAL GAS COMPANY LLC |
| Natural Gas Storage | No |
Generator ST3 Details Operating June 1962
| Technology | Natural Gas Steam Turbine |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 113.6 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 104 MW |
| Winter Capacity | 104 MW |
| Minimum Load | 25 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | June 1962 |
| 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 | OVER |
| Subcritical Technology | Yes |
| Multiple Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator 4 Details Operating July 1967
| Technology | Natural Gas Steam Turbine |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 173.3 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 156 MW |
| Winter Capacity | 156 MW |
| Minimum Load | 26 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | July 1967 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
|---|---|
| Energy Source | Natural Gas / Landfill Gas |
| Startup Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | OVER |
| Pulverized Coal Technology | No |
| Subcritical Technology | Yes |
| Multiple Fuels | Yes |
| Cofire Fuels | Yes |
| Switch Between Oil And Natural Gas | No |
| Multifuel Details | |
| Cofire Energy Source | NG / LFG |
|---|---|
Generator GT1 Details Operating December 1972
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 27 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 24 MW |
| Winter Capacity | 26.8 MW |
| Minimum Load | 5 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | December 1972 |
| Combined Heat & Power | No |
|---|---|
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas / Distillate Fuel Oil |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 1H |
| Subcritical Technology | No |
| Multiple Fuels | Yes |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | Yes |
| Multifuel Details | |
| Switch When Operating | Yes |
|---|---|
| Net Summer Capacity With Natural Gas | 24 MW |
| Net Winter Capacity With Natural Gas | 26.8 MW |
| Net Summer Capacity With Oil | 24 MW |
| Net Winter Capacity With Oil | 26.8 MW |
| Time To Switch From Gas To Oil | 1H |
| Time To Switch From Oil To Gas | 1H |
| Factors That Limit Switching | No |
Generator GT2 Details Operating December 1972
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 27 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 24 MW |
| Winter Capacity | 26.8 MW |
| Minimum Load | 5 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | December 1972 |
| Combined Heat & Power | No |
|---|---|
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas / Distillate Fuel Oil |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Subcritical Technology | No |
| Multiple Fuels | Yes |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | Yes |
| Multifuel Details | |
| Switch When Operating | Yes |
|---|---|
| Net Summer Capacity With Natural Gas | 24 MW |
| Net Winter Capacity With Natural Gas | 26.8 MW |
| Net Summer Capacity With Oil | 24 MW |
| Net Winter Capacity With Oil | 26.8 MW |
| Time To Switch From Gas To Oil | 1H |
| Time To Switch From Oil To Gas | 1H |
| Factors That Limit Switching | No |
Generator RIC10 Details Operating December 2019
| Technology | Natural Gas Internal Combustion Engine |
|---|---|
| Prime Mover | Internal Combustion Engine |
| Ownership | Single Owner |
| Nameplate Capacity | 18.8 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 18.2 MW |
| Winter Capacity | 18.7 MW |
| Minimum Load | 4.7 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | December 2019 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator RIC6 Details Operating December 2019
| Technology | Natural Gas Internal Combustion Engine |
|---|---|
| Prime Mover | Internal Combustion Engine |
| Ownership | Single Owner |
| Nameplate Capacity | 18.8 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 18.2 MW |
| Winter Capacity | 18.7 MW |
| Minimum Load | 4.7 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | December 2019 |
|---|---|
| Combined Heat & Power | Yes |
| Sector Name | Electric Utility (1) |
| Topping Or Bottoming | T |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator RIC7 Details Operating December 2019
| Technology | Natural Gas Internal Combustion Engine |
|---|---|
| Prime Mover | Internal Combustion Engine |
| Ownership | Single Owner |
| Nameplate Capacity | 18.8 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 18.2 MW |
| Winter Capacity | 18.7 MW |
| Minimum Load | 4.7 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | December 2019 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator RIC8 Details Operating December 2019
| Technology | Natural Gas Internal Combustion Engine |
|---|---|
| Prime Mover | Internal Combustion Engine |
| Ownership | Single Owner |
| Nameplate Capacity | 18.8 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 18.2 MW |
| Winter Capacity | 18.7 MW |
| Minimum Load | 4.7 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | December 2019 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator RIC9 Details Operating December 2019
| Technology | Natural Gas Internal Combustion Engine |
|---|---|
| Prime Mover | Internal Combustion Engine |
| Ownership | Single Owner |
| Nameplate Capacity | 18.8 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 18.2 MW |
| Winter Capacity | 18.7 MW |
| Minimum Load | 4.7 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | December 2019 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator RIC1 Details Operating March 2020
| Technology | Natural Gas Internal Combustion Engine |
|---|---|
| Prime Mover | Internal Combustion Engine |
| Ownership | Single Owner |
| Nameplate Capacity | 18.8 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 18.2 MW |
| Winter Capacity | 18.7 MW |
| Minimum Load | 4.7 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | March 2020 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator RIC2 Details Operating March 2020
| Technology | Natural Gas Internal Combustion Engine |
|---|---|
| Prime Mover | Internal Combustion Engine |
| Ownership | Single Owner |
| Nameplate Capacity | 18.8 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 18.2 MW |
| Winter Capacity | 18.7 MW |
| Minimum Load | 4.7 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | March 2020 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator RIC3 Details Operating March 2020
| Technology | Natural Gas Internal Combustion Engine |
|---|---|
| Prime Mover | Internal Combustion Engine |
| Ownership | Single Owner |
| Nameplate Capacity | 18.8 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 18.2 MW |
| Winter Capacity | 18.7 MW |
| Minimum Load | 4.7 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | March 2020 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator RIC4 Details Operating March 2020
| Technology | Natural Gas Internal Combustion Engine |
|---|---|
| Prime Mover | Internal Combustion Engine |
| Ownership | Single Owner |
| Nameplate Capacity | 18.8 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 18.2 MW |
| Winter Capacity | 18.7 MW |
| Minimum Load | 4.7 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | March 2020 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator RIC5 Details Operating March 2020
| Technology | Natural Gas Internal Combustion Engine |
|---|---|
| Prime Mover | Internal Combustion Engine |
| Ownership | Single Owner |
| Nameplate Capacity | 18.8 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 18.2 MW |
| Winter Capacity | 18.7 MW |
| Minimum Load | 4.7 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | March 2020 |
|---|---|
| Combined Heat & Power | Yes |
| Sector Name | Electric Utility (1) |
| Topping Or Bottoming | T |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
| Switch Between Oil And Natural Gas | No |
H Wilson Sundt Generating Station Plant Owners
| Owner Name | Address | Generator | Ownership |
|---|---|---|---|
| We couldn't locate any owners for this plant | |||
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| #337 | Frederickson Power LP | Tacoma, WA | 1.8 TWh |
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| #341 | C D McIntosh Jr | Lakeland, FL | 1.8 TWh |
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