Arizona Public Service Queue Project Q299 — Battery in Maricopa Az, the U.S.

Arizona Public Service Queue Project Q299 — Battery in Maricopa Az, the U.S. is a 150.0 MW battery interconnection project with a current status of active. It is proposed to connect at LGP POI In Service.

150.0 MWCapacity
ActiveStatus
Market
BatteryTechnology

Project facts

Canonical nameArizona Public Service Queue Project Q299 — Battery in Maricopa Az, the U.S.
Queue IDQ299
Statusactive
Source statusAppendix E Interconnection Interconnection Status Type with APS Network
Market
TechnologyBattery
Capacity150.0 MW
State
CountyMaricopa Az
Point of interconnectionLGP POI In Service
Requested (queue) date2019-03-29
Proposed in-service date2023-10-31
Operational date
Withdrawn date
Developer
Utility / transmission ownerArizona Public Service

Cross-source records

This project is also observed in: Lawrence Berkeley National Laboratory — Queued Up interconnection dataset. interXdata links these source records without double-counting the project.

What changed

ObservedFieldOld valueNew valueMateriality
2026-08-10poi_nameSubstationLGP POI In Servicelow
2026-08-10phaseFacilities Studylow
2026-08-10operational_date2023-10-31medium
2026-08-10proposed_online_date2023-10-31medium
2026-08-10statusoperationalactivehigh
2026-08-03new_projectoperationalhigh

Explore related data

Source last checked2026-08-24
Data last materially changed2026-08-24
Page data generated2026-08-28

Provenance: aps-oasis. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.

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