Red Rock — Plant Summary
- EIA Plant ID
- 60467
- Capacity
- 84.9 MW
- Primary Fuel
- Solar
- Technology
- Batteries, Solar Photovoltaic
- Status
- Operating
- Location
- Maricopa, AZ
- Operating Since
- 2017
- Generators
- 2
- Operator
- Arizona Public Service Co
- Parent Company
- Pinnacle West Capital
- Annual Generation
- 85,866 MWh
- Capacity Factor
- 11.5%
- Balancing Authority
- Arizona Public Service Company
- ISO/RTO
- —
- NERC Region
- WECC
Red Rock
OperatingBESSSolarHybrid
Ranked #31 of 104 Solar plants in AZ#848 of 7447 nationally
84.9 MW Batteries (41 MW) + Solar Photovoltaic (44 MW) operating in Maricopa, AZ — Arizona Public Service Company
EIAGEMWD
84.9 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2017
Operating Since
Location
Coordinates
32.5510, -111.2892
County
Maricopa, AZ
Nearby Plants
- SaguaroNatural Gas184.5 MW · 1.0 km
- SerranoBESS383.8 MW · 5.6 km
- Davis Battery StorageBESS11.8 MW · 17.0 km
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 | operating | — |
Ownership Chain
About
Located in Maricopa County, Arizona, the Red Rock power plant is a hybrid solar and battery energy storage system (BESS) facility with a total capacity of 84.9 MW. The plant began operating in 2017 and is owned by Pinnacle West Capital, with Arizona Public Service Co. (APS) serving as the operator. The facility utilizes both solar photovoltaic technology with single-axis tracking and battery storage. The battery energy storage system has a capacity of 164 MWh and a duration of 4 hours, employing lithium-ion battery chemistry. Red Rock ranks as the 50th largest power plant in Arizona out of 68, and 532nd nationally out of 1205.
Red Rock operates within the Arizona Public Service Company balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. The plant's latest annual generation was 85,866 MWh, resulting in a capacity factor of 11.5%. Financial data indicates an installed cost of $2,288.8 per kW, based on FERC filings. The plant has been the subject of 10 news articles, with 9 focused on industry topics and 1 on grid-related matters. The plant's primary fuel is listed as MWH, reflecting its reliance on solar energy and battery storage.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Arizona Public Service Company
Grid Voltage
115 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
6.2K MWh
Latest Month
85.9K MWh
Annual Generation
11.5%
Capacity Factor
Jan 2023 – Dec 2025
Financial DataBeta
Source: FERC Form 1HIGH
$2,299/kW
Installed Cost
Arizona Public Service Company
Reporting Utility
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
General
Red Rock hydropower proposal ‘simply does not align’ with conservation goals, water officials say
A proposal to build a hydroelectric power plant near the Red Rock Canyon National Conservation Area won preliminary approval from federal...
News From The States·1 weeks ago
General
Red Rock hydropower proposal ‘simply does not align’ with conservation goals, water officials say
A proposal to build a hydroelectric power plant near the Red Rock Canyon National Conservation Area won preliminary approval from federal...
News From The States·1 weeks ago
General
Kel Fox closes for powerline
Powerline work has closed several trails south of the Village of Oak Creek. To accommodate construction of Arizona Public Service's Village...
Sedona Red Rock News·5 months ago
General
36 Hours in Sedona, Ariz.
Luxury experiences are on the rise, but the best things in this red rock landscape — hikes, stargazing and even energy vortexes — are free.
The New York Times·6 months ago
Last updated 2026-03-26
View all 10 articles