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300 MW Solar under construction in La Paz, AZ — California Independent System Operator
300 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
—
Operating Since
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | ATLAS SOLAR IV, LLC | — | — |
| Owner(s) | ATLAS SOLAR IV, LLC | — | — |
| Status | Under construction | — | — |
ATLAS SOLAR IV is a 300 MW solar photovoltaic power plant located in La Paz County, Arizona. The plant, owned and operated by ATLAS SOLAR IV, LLC, utilizes fixed-tilt solar tracking technology. It is interconnected to the California Independent System Operator (CAISO) balancing authority within the Western Electricity Coordinating Council (WECC) NERC region.
The facility is ranked as the third-largest solar plant in Arizona out of 23, and 85th nationally out of 639 solar plants. The plant consists of one generator and uses sunlight as its primary fuel source. The plant has been the subject of 9 news articles, with coverage focusing on industry trends, deals, and regulatory matters.
Generated from EIA, GEM, and public data sources
ISO/RTO
CAISO
Market
ISO/RTO Member
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: $463.2M
Market Position
ISO/RTO Market
CAISO
LMP Node
—
Pricing Hub
TH_SP15_GEN-APND
Node Source
Plant coordinates only
Last updated 2026-03-26
View all articlesCalifornia Independent System Operator (CISO)
Grid Voltage
500.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP