26.1 MW Distillate Oil operating in Cochise, AZ — Arizona Public Service Company
26.1 MW
Nameplate Capacity
1
Generators
unit
Petroleum Liquids
Technology
1972
Operating Since
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Arizona Public Service Co | Arizona Public Service | — |
| Owner(s) | Arizona Public Service Co | Pinnacle West Capital | — |
| Status | Operating | — | — |
The Douglas plant is a 26.1 MW petroleum liquid-fueled power plant located in Cochise County, Arizona. The plant began operating in 1972 and has one generator. It is owned by Pinnacle West Capital and operated by Arizona Public Service Company (APS). Douglas operates within the Arizona Public Service Company balancing authority and the Western Electricity Coordinating Council (WECC) NERC region.
In the most recent year with available data, the plant generated 93 MWh, resulting in a capacity factor of 0.0%. The installed cost per kilowatt was $206.21, according to FERC data. Douglas is ranked as the 1st of 2 petroleum liquid plants in Arizona, and 155th of 886 such plants nationally.
Generated from EIA, GEM, and public data sources
NERC Region
WECC
Balancing Authority
Arizona Public Service Company
Grid Voltage
69 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
7 MWh
Latest Month
93 MWh
Annual Generation
0.0%
Capacity Factor
$214/kW
Installed Cost
$2409.0/MWh
Operating Cost
Arizona Public Service Company
Reporting Utility
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
Last updated 2026-03-26
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