Apache Solar I
3800 N. Hwy 191, Cochise, AZ 85606Plant Summary Information
Apache Solar I is ranked #50 out of 121 solar farms in Arizona in terms of total annual net electricity generation.
Apache Solar I generated 10.2 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Apache Solar I |
|---|---|
| Utility Name | Arizona Electric Pwr Coop Inc |
| Location | Cochise County, AZ |
| Initial Operation Date | October 2017 |
| Last Update | Dec 2025 |
| Annual Generation | 55.4 GWh |
| Annual Consumption | 199.9 k MMBtu |
| Ranked #4,076 out of 13,081 Power Plants Nationwide | |
| Ranked #1,079 out of 7,015 Solar Power Plants Nationwide | |
| Ranked #89 out of 176 Arizona Power Plants | |
| Ranked #50 out of 121 Arizona Solar Power Plants | |
| Fuel Types | Solar |
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Monthly Net Generation for Apache Solar I
Monthly Plant Fuel Consumption for Apache Solar I
Apache Solar I Details
| Summary Information | |
|---|---|
| Plant Name | Apache Solar I (60964) |
| Plant Address | 3800 N. Hwy 191, Cochise, AZ 85606 |
| Utility | Arizona Electric Pwr Coop Inc (796) |
| Latitude, Longitude | 32.06814, -109.89038 |
| Generation Dates on File | Oct 2017 to Dec 2025 |
| Initial Operation Date | October 2017 |
| Annual Generation | 55.4 GWh |
| Fuel Types | Solar |
| 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 | Western Area Power Administration - Desert Southwest Region (WALC) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Arizona Electric Pwr Coop Inc (796) |
| Grid Voltage | 69.00 kV |
| Energy Storage | Yes |
Generator AEPS1 Details Operating October 2017
| Technology | Solar Photovoltaic |
|---|---|
| Prime Mover | Photovoltaic |
| Ownership | Wholly Owned by Other Entity |
| Nameplate Capacity | 20 MW |
| Summer Capacity | 20 MW |
| Winter Capacity | 20 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | October 2017 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Solar |
| Multiple Fuels | No |
| Solar Details | |
| Single Axis Tracking | Yes |
|---|---|
| Azimuth Angle | 90 |
| DC Net Capacity | 24.7 MW |
| Crystalline Silicon | Yes |
| Net Metering Agreement | No |
| Virtual Net Metering Agreement | No |
Generator AEPB1 Details Operating June 2024
| Technology | Batteries |
|---|---|
| Prime Mover | Battery |
| Ownership | Wholly Owned by Other Entity |
| Nameplate Capacity | 10 MW |
| Summer Capacity | 10 MW |
| Winter Capacity | 10 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | June 2024 |
| Sector Name | Electric Utility (1) |
| Energy Source | Electricity used for energy storage |
| Energy Storage Details | |
| Nameplate Energy Capacity MWH | 40 |
|---|---|
| Maximum Charge Rate | 10 MW |
| Maximum Discharge Rate | 10 MW |
| Storage Technology | LIB |
| Nameplate Reactive Power Rating | 2 |
| Storage Enclosure Type | CS |
| Arbitrage | Yes |
| Ramping Spinning Reserve | Yes |
| Voltage Or Reactive Power Support | Yes |
| Excess Wind And Solar Generation | Yes |
| Ac Coupled | Yes |
| Direct Support Of Another Unit | Yes |
| Direct Support Plant Id | 60964 |
| Direct Support Gen Id | AEPS1 |
| Support T D Asset | Yes |
Generator TRIB1 Details Operating June 2024
| Technology | Batteries |
|---|---|
| Prime Mover | Battery |
| Ownership | Wholly Owned by Other Entity |
| Nameplate Capacity | 10 MW |
| Summer Capacity | 10 MW |
| Winter Capacity | 10 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | June 2024 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Electricity used for energy storage |
| Energy Storage Details | |
| Nameplate Energy Capacity MWH | 40 |
|---|---|
| Maximum Charge Rate | 10 MW |
| Maximum Discharge Rate | 10 MW |
| Storage Technology | LIB |
| Nameplate Reactive Power Rating | 2 |
| Storage Enclosure Type | CS |
| Arbitrage | Yes |
| Ramping Spinning Reserve | Yes |
| Voltage Or Reactive Power Support | Yes |
| Excess Wind And Solar Generation | Yes |
| Ac Coupled | Yes |
| Direct Support Of Another Unit | Yes |
| Direct Support Plant Id | 60964 |
| Direct Support Gen Id | AEPS1 |
| Support T D Asset | Yes |
Apache Solar I Plant Owners
| Owner Name | Address | Generator | Ownership |
|---|---|---|---|
| Sierra Southwest Cooperative | 1000 S. Highway 80, Benson, AZ 85602 | Generator AEPB1 | 100.00% |
| Sierra Southwest Cooperative | 1000 S. Highway 80, Benson, AZ 85602 | Generator AEPS1 | 100.00% |
| Sierra Southwest Cooperative | 1000 S. Highway 80, Benson, AZ 85602 | Generator TRIB1 | 100.00% |
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Nearby Power Plants
Below are closest 20 power plants surrounding Apache Solar I.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Actus Lend Lease DMAFB | Tucson, AZ | 2.5 GWh | 57.5 mi |
| Amazon TUS2 | Tucson, AZ | 5.5 GWh | 55.7 mi |
| Apache Station | Cochise, AZ | 2.0 TWh | 0.6 mi |
| Babacomari Solar | Huachuca, AZ | 155.5 GWh | 41.8 mi |
| Cogenra - TEP | Tucson, AZ | 1.9 GWh | 54.1 mi |
| Douglas | Douglas, AZ | 218.0 MWh | 52.5 mi |
| Fort Huachuca Solar PV Project | Sierra Vista, AZ | 34.8 GWh | 44.5 mi |
| Gato Montes Solar, LLC | Tucson, AZ | 7.4 GWh | 54.5 mi |
| Iron Horse Battery Storage Hybrid | Tucson, AZ | 4.2 GWh | 54.4 mi |
| Pima Community College | Tucson, AZ | 1.3 GWh | 54.6 mi |
| Prairie Fire | Tucson, AZ | 7.7 GWh | 54.5 mi |
| Red Horse 2 | Willcox, AZ | 148.3 GWh | 19 mi |
| Red Horse III | Wilcox, AZ | 55.6 GWh | 10.5 mi |
| Roadrunner Solar and BESS | Cochise, AZ | 219.3 GWh | 2.9 mi |
| SR McNeal | McNeal, AZ | 53.8 GWh | 37.1 mi |
| Sulphur Springs | Cochise, AZ | 47.7 GWh | 1.7 mi |
| Tech Park Solar | Tucson, AZ | 12.4 GWh | 54.2 mi |
| UASTP I | Tucson, AZ | 2.1 GWh | 53.9 mi |
| Valencia Solar | Tucson, AZ | 26.6 GWh | 57.4 mi |
| Wilmot Energy Center II | Sahuarita, AZ | 52.4 GWh | 48.6 mi |