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600 MW Batteries (300 MW) + Solar Photovoltaic (300 MW) under construction in La Paz, AZ — Arizona Public Service Company
600 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
—
Operating Since
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | 174 Power Global Corp. | Hanwha Energy | — |
| Owner(s) | 174 Power Global Corp. | Hanwha | — |
| Status | Under construction | announced | — |
The Atlas power plant is a 600 MW hybrid facility located in La Paz County, Arizona. It combines solar photovoltaic generation with battery energy storage. The plant is owned by Hanwha, a South Korean company, and operated by its subsidiary, 174 Power Global Corp. The facility utilizes fixed-tilt solar tracking technology.
Atlas is interconnected to the Arizona Public Service Company balancing authority within the Western Electricity Coordinating Council (WECC) NERC region. It ranks as the 12th largest power plant in Arizona out of 47, and 40th nationally out of 514. The plant consists of 2 generators and its primary fuel source is listed as MWH.
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
No generation data available for this plant.
2023
$1,544/kW
Est. Construction Cost
Total estimated cost: $926.4M
This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
Last updated 2026-03-26
View all 10 articlesArizona Public Service Company (AZPS)
Grid Voltage
—
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP