Cogeneration 2
Pima County, Arizona · EIA plant ID 59233 · Operator: University of Arizona
Nameplate6MWSummer 5 MW
Generators1in service
Net generation39GWh12 mo to Aug 2026
Capacity factor90%gas/coal/oil units, summer MW
Heat rate4,290Btu/kWhfossil units, electric fuel, HHV
First online2002Runs as baseload
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2013 | 33.3 | 63.4% | 11,373 |
| 2014 | 34 | 64.8% | 11,725 |
| 2015 | 34.4 | 78.5% | 10,242 |
| 2016 | 36.8 | 83.8% | 4,290 |
| 2017 | 36.5 | 83.3% | 4,290 |
| 2018 | 35.4 | 80.8% | 4,290 |
| 2019 | 41.4 | 94.5% | 4,290 |
| 2020 | 40.3 | 91.8% | 4,290 |
| 2021 | 35.7 | 81.4% | 4,290 |
| 2022 | 39.3 | 89.7% | 4,290 |
| 2023 | 35.7 | 81.5% | 4,290 |
| 2024 | 37 | 84.2% | 4,290 |
| 2025 | 39.9 | 91.0% | 4,290 |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| CT2 | Natural Gas Fired Combined Cycle | CS | 5.5 | 5 | Nov 2002 | Operating | — | coming soon |
Owner / operator
Operator: University of Arizona. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| University of Arizona | 100.0% | 6 MW |
Nearby plants
Within 80 km.
| Cogeneration 1 | 9 MW | 1.3 km |
| Amphitheater High School Solar | 1 MW | 4 km |
| Pima Energy Storage System | 10 MW | 4.2 km |
| Demoss Petrie | 85 MW | 4.3 km |
| Davis Monthan AFB (AZ) West Airfield | 13 MW | 8.8 km |
| Roger Road WWTP | 1 MW | 9.6 km |