Atlas VIII — Plant Summary
- EIA Plant ID
- 68323
- Capacity
- 382.4 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries
- Status
- Under construction
- Location
- La Paz, AZ
- Operating Since
- —
- Generators
- 2
- Operator
- Atlas VIII LLC
- Parent Company
- —
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
Atlas VIII
Under constructionBESS
Ranked #19 of 55 BESS plants in AZ#73 of 837 nationally
382.4 MW BESS under construction in La Paz, AZ — California Independent System Operator
EIA
382.4 MW
Nameplate Capacity
2
Generators
units
Batteries
Technology
—
Operating Since
Location
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Atlas VIII LLC | — | — |
| Owner(s) | Atlas VIII LLC | — | — |
| Status | Under construction | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Atlas VIII is a 382.4 MW battery energy storage system located in La Paz County, Arizona. The plant, identified by the EIA plant code 68323, is owned and operated by Atlas VIII LLC. It consists of two generators utilizing batteries as the primary fuel source, categorized under the technology classification of "Batteries".
The plant operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Atlas VIII is ranked as the 23rd largest power plant in Arizona out of 47, and nationally it holds the 107th position among 514 plants. Recent news coverage includes one article related to deals involving the plant.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
500 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
No generation data available for this plant.
Financial Data
No financial data available for this plant.
Pricing & Market Data
UNKNOWN confidenceMarket Position
ISO/RTO Market
CAISO
LMP Node
—
Pricing Hub
TH_SP15_GEN-APND
Node Source
Plant coordinates only
News & Articles (1)Beta
Deals·project finance
TransGrid Energy secures US$1.4 billion for two Arizona BESS totalling 450MW/1,800MWh
TransGrid Energy has successfully secured over US$1.4 billion in financing for two battery energy storage (BESS) projects located in Arizona, US.
TransGrid Energy (developer)
Energy-Storage.News·1 years ago
Last updated 2026-03-26
View all articles