Summary of Electricity Activity in Pima County, AZ
Summary of Pima County, AZ Generation
Pima County, AZ is ranked #398 out of 2,193 U.S. counties nationwide and #6 out of 13 Arizona counties in terms of total annual net electricity generation.
| Annual Generation | 3.1 TWh |
|---|---|
| Annual Consumption | 26.8 M MMBtu |
| Last Update | May 2026 |
| Power Plants | 42 |
| Companies on File | 22 |
Map of Top Producing Plants in Pima County, AZ
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Annual Net Generation From natural gas power
2.0 TWh
National Rank in Terms of natural gas Net Electricity Generation
#247 /927 U.S. Counties
State Rank in Terms of natural gas Net Electricity Generation
#4 /8 Arizona Counties
Monthly Net Generation for Pima County, AZ
Monthly Plant Fuel Consumption for Pima County, AZ
Net Generation by Fuel Source
Net Generation by Fuel Source Breakdown
| State Rank | National Rank | Generation | Fuel Consumption | |
|---|---|---|---|---|
| All | #6 / 13 | #398 / 2193 | 3.09 TWh | 26.82 M MMBtu |
| Natural Gas | #4 / 8 | #247 / 927 | 1.99 TWh | 22.50 M MMBtu |
| Solar | #4 / 12 | #46 / 1317 | 1.17 TWh | 4.33 M MMBtu |
| Distillate Fuel Oil | #6 / 7 | #660 / 741 | 19.92 MWh | 371 MMBtu |
Power Plants in Pima County, AZ
| Plant | Utility Name | Generation | Consumption | Fuel Types |
|---|---|---|---|---|
| H Wilson Sundt Generating Station | Tucson Electric Power Co | 1.9 TWh | 21.2 M MMBtu | Natural Gas |
| Serrano | Serrano Solar, LLC | 422.1 GWh | 1.7 M MMBtu | Solar |
| Wilmot Energy Center LLC | Wilmot Energy Center LLC | 270.0 GWh | 1.0 M MMBtu | Solar |
| Avalon Solar | Arevon Energy, Inc. | 64.2 GWh | 232.1 k MMBtu | Solar |
| Avra Valley Solar | Solar Avra Valley LLC | 61.5 GWh | 221.5 k MMBtu | Solar |
| Cogeneration 1 | University of Arizona | 54.1 GWh | 708.7 k MMBtu | Natural Gas |
| Wilmot Energy Center II | Wilmot Energy Center II, LLC | 52.4 GWh | 190.1 k MMBtu | Solar |
| Picture Rocks Solar, LLC | MN8 Energy LLC | 49.6 GWh | 179.0 k MMBtu | Solar |
| Avalon Solar II | Avalon Solar Partners II, LLC | 42.9 GWh | 155.3 k MMBtu | Solar |
| Cogeneration 2 | University of Arizona | 39.2 GWh | 551.8 k MMBtu | Natural Gas |
| Raptor Ridge | Tucson Electric Power Co | 35.5 GWh | 128.4 k MMBtu | Solar |
| Davis Monthan AFB (AZ) West Airfield | MN8 Energy LLC | 29.5 GWh | 106.4 k MMBtu | Solar |
| Valencia Solar | RWE Clean Energy | 26.6 GWh | 93.7 k MMBtu | Solar |
| Tech Park Solar | RWE Clean Energy | 12.4 GWh | 43.7 k MMBtu | Solar |
| RE Ajo 1 LLC | Duke Energy Renewables Services | 9.0 GWh | 32.6 k MMBtu | Solar |
| Prairie Fire | Tucson Electric Power Co | 7.7 GWh | 28.5 k MMBtu | Solar |
| Gato Montes Solar, LLC | Duke Energy Renewables Services | 7.4 GWh | 27.2 k MMBtu | Solar |
| Tucson - CAVSARP | Onyx Asset Services Group | 5.9 GWh | 20.0 k MMBtu | Solar |
| Amazon TUS2 | SkyHigh 2 Solar | 5.5 GWh | 20.1 k MMBtu | Solar |
| Broadway 2 - Tucson Phase II | MN8 Energy LLC | 4.8 GWh | 17.9 k MMBtu | Solar |
| Iron Horse Battery Storage Hybrid | RWE Clean Energy | 4.2 GWh | 18.0 k MMBtu | Solar |
| Pima Community College NW | Onyx Asset Services Group | 3.0 GWh | 11.0 k MMBtu | Solar |
| Pima Community College - East Campus | Tesla Inc. | 2.8 GWh | 10.0 k MMBtu | Solar |
| Actus Lend Lease DMAFB | Tesla Inc. | 2.5 GWh | 9.1 k MMBtu | Solar |
| Canyon Del Oro High School Solar | Luminace Solar Arizona 2, LLC | 2.2 GWh | 8.1 k MMBtu | Solar |
| TJX Tucson | SoCore Energy LLC | 2.1 GWh | 7.8 k MMBtu | Solar |
| UASTP I | Tucson Electric Power Co | 2.1 GWh | 7.3 k MMBtu | Solar |
| Demoss Petrie | Tucson Electric Power Co | 2.1 GWh | 31.5 k MMBtu | Natural Gas |
| Amphitheater High School Solar | Luminace Solar Arizona 2, LLC | 1.9 GWh | 6.7 k MMBtu | Solar |
| Cogenra - TEP | Terraform Arcadia | 1.9 GWh | 6.7 k MMBtu | Solar |
| Pima Community College | Tesla Inc. | 1.3 GWh | 5.4 k MMBtu | Solar |
| Broadway 3 - Tucson Phase I | MN8 Energy LLC | 1.1 GWh | 4.1 k MMBtu | Solar |
| North Loop | Tucson Electric Power Co | 1.0 GWh | 30.4 k MMBtu | Natural Gas |
| Roger Road WWTP | SunE M5C Holdings LLC | 988.0 MWh | 3.4 k MMBtu | Solar |
| Pima Energy Storage System | Pima Energy Storage System | -572.0 MWh | 0 MMBtu | No Information Available |
| Roadrunner Reserve Phase 1 | Tucson Electric Power Co | -40.7 GWh | 0 MMBtu | No Information Available |
| FRB Solar Farm | FRB Solar LLC | 0.0 Wh | 0 MMBtu | No Information Available |
| Ina Road Water Pollution Control Fac | PIMA County Wastewater Manage | 0.0 Wh | 0 MMBtu | No Information Available |
| New Cornelia Branch Power Plant | Phelps Dodge Mining Co | 0.0 Wh | 0 MMBtu | No Information Available |
| Roadrunner Reserve Phase 2 | Tucson Electric Power Co | 0.0 Wh | 0 MMBtu | No Information Available |
| TAA Solar Facility | Tucson Electric Power Co | 0.0 Wh | 0 MMBtu | No Information Available |
| UASTP II | Tucson Electric Power Co | 0.0 Wh | 0 MMBtu | No Information Available |
Electricity Generation for Neighboring Counties
| National Rank | County | Net Generation | # Power Plants |
|---|---|---|---|
| #1663 | Gila County | 48.8 GWh | 2 |
| #1 | Maricopa County | 78.3 TWh | 94 |
| #221 | Pinal County | 6.4 TWh | 26 |
| #1924 | Santa Cruz County | 9.8 GWh | 2 |
Electricity Generation for Cities Located in Pima County, AZ
| State Rank | City | Net Generation | # Power Plants |
|---|---|---|---|
| #54 | Ajo, AZ | 9.0 GWh | 2 |
| #25 | Marana, AZ | 539.0 GWh | 4 |
| #59 | Oro Valley, AZ | 2.2 GWh | 1 |
| #39 | Sahuarita, AZ | 95.4 GWh | 2 |
| #14 | Tucson, AZ | 2.4 TWh | 32 |