Harquahala 2 (67474_BESS1)

Harquahala 2 is a 300.0 MW battery interconnection project in Maricopa, Arizona with a current status of operational.

300.0 MWCapacity
OperationalStatus
AZPSMarket
BatteryTechnology

Project facts

Canonical nameHarquahala 2
Queue ID67474_BESS1
Statusoperational
Source status(OP) Operating
MarketAZPS
TechnologyBattery
Capacity300.0 MW
StateArizona
CountyMaricopa
Point of interconnection—
Requested (queue) date—
Proposed in-service date—
Operational date2025-04-01
Withdrawn date—
Developer—
Utility / transmission ownerCopia Power

What changed

ObservedFieldOld valueNew valueMateriality
2026-08-02new_project—operationalhigh

Explore related data

Source last checked2026-10-02
Data last materially changed2026-10-02
Page data generated2026-10-12

Provenance: U.S. EIA — Form EIA-860M generator inventory (operating + planned). Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.

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