28 MW Batteries (14 MW) + Solar Photovoltaic (14 MW) operating in Yuma, AZ — Arizona Public Service Company
28 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2013
Operating Since
Coordinates
33.0270, -113.3489
County
Yuma, AZ
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Arizona Public Service Co | Arizona Public Service | — |
| Owner(s) | Arizona Public Service Co | Pinnacle West Capital | — |
| Status | Operating | operating | — |
The Hyder II Hybrid plant is a 28 MW hybrid facility located in Yuma County, Arizona. It began operating in 2013 and is owned by Pinnacle West Capital and operated by Arizona Public Service Co. The plant utilizes both solar photovoltaic and battery storage technologies. The battery energy storage system (BESS) has a capacity of 42 MWh, providing 3 hours of duration and using lithium-ion battery chemistry (LIB). The solar component uses single-axis tracking.
Hyder II Hybrid is interconnected to the Arizona Public Service Company balancing authority within the Western Electricity Coordinating Council (WECC) NERC region. In the most recent year of data, the plant generated 32,538 MWh, achieving a capacity factor of 13.2%. The installed cost of the plant was $3,700.85 per kW. The plant is ranked 63rd out of 68 plants in Arizona and 659th out of 1205 plants nationally.
Generated from EIA, GEM, and public data sources
NERC Region
WECC
Balancing Authority
Arizona Public Service Company
Grid Voltage
12.47 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
1.2K MWh
Net Discharge
32.5K MWh
Annual Net Energy
13.2%
Capacity Factor
Positive values indicate net discharge (generation exceeds station load). Negative values indicate net charging. Pure battery storage plants are typically net negative due to round-trip efficiency losses.
$3,703/kW
Installed Cost
Arizona Public Service Company
Reporting Utility
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 2026-03-14
View all articles