Douglas — Plant Summary
- EIA Plant ID
- 114
- Capacity
- 26.1 MW
- Primary Fuel
- Oil
- Technology
- Petroleum Liquids
- Status
- Operating
- Location
- Cochise, AZ
- Operating Since
- 1972
- Generators
- 1
- Operator
- Arizona Public Service Co
- Parent Company
- Pinnacle West Capital
- Annual Generation
- 92.99 MWh
- Capacity Factor
- 0.0%
- Balancing Authority
- Arizona Public Service Company
- ISO/RTO
- —
- NERC Region
- WECC
Douglas
OperatingDistillate Oil
Ranked #1 of 1 Distillate Oil plants in AZ#119 of 827 nationally
26.1 MW Distillate Oil operating in Cochise, AZ — Arizona Public Service Company
EIAWD
26.1 MW
Nameplate Capacity
1
Generators
unit
Petroleum Liquids
Technology
1972
Operating Since
Location
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Arizona Public Service Co | Arizona Public Service | — |
| Owner(s) | Arizona Public Service Co | Pinnacle West Capital | — |
| Status | Operating | — | — |
Ownership Chain
About
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
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Arizona Public Service Company
Grid Voltage
69 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
7 MWh
Latest Month
93 MWh
Annual Generation
0.0%
Capacity Factor
Jan 2022 – Dec 2024
Financial DataBeta
Source: FERC Form 1HIGH
$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
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (10)Beta
Regulatory·permitting
APS seeks license extension for Palo Verde Nuclear Plant
Arizona Public Service (APS) plans to renew operating licenses for all three units at Palo Verde Generating Station, extending operations to the mid-2060s, ensuring continued energy supply.
APS (operator)
Power Engineering·1 weeks ago
General
Workshop hints at robust support for nuclear expansion in Arizona -- ANS / Nuclear Newswire
Palo Verde, with three reactors and a combined capacity of about 4,000 MWe, is the only nuclear power plant in Arizona.
American Nuclear Society -- ANS·3 weeks ago
General
DOE nixes $1.8B loan to Arizona Public Service for transmission, renewables and storage
Additional de-obligations are in process but cannot be publicly disclosed until finalized,” said Olivia Tinari, deputy press secretary for...
Utility Dive·4 weeks ago
General
Private Dancers – Mexico’s Planned Gas-Fired Plants, LNG Export Capacity Driving Pipeline Projects
Mexico's still-rising demand for U.S.-sourced natural gas — and new pipelines to deliver it — has been driven by the buildout of new power...
RBN Energy·2 months ago
Last updated 2026-03-25
View all 10 articles