West Queue Project 99 — Battery in Pinal, Arizona
West Queue Project 99 — Battery in Pinal, Arizona is a 319.0 MW battery interconnection project in Pinal, Arizona with a current status of withdrawn. It is proposed to connect at West Wing 345kV Substation.
319.0 MWCapacity
WithdrawnStatus
WestMarket
BatteryTechnology
Project facts
| Canonical name | West Queue Project 99 — Battery in Pinal, Arizona |
|---|---|
| Queue ID | 99 |
| Status | withdrawn |
| Source status | withdrawn |
| Market | West |
| Technology | Battery |
| Capacity | 319.0 MW |
| State | Arizona |
| County | Pinal |
| Point of interconnection | West Wing 345kV Substation |
| Requested (queue) date | 2021-09-28 |
| Proposed in-service date | 2025-12-31 |
| Operational date | — |
| Withdrawn date | — |
| Developer | — |
| Utility / transmission owner | Tucson Electric Power Company |
What changed
No material field-level changes have been recorded for this project since the baseline snapshot. interXdata detects changes as new source snapshots are ingested and diffed against prior state.
Explore related data
Source last checked2026-07-31
Data last materially changed2026-07-31
Page data generated2026-08-27
Provenance: Lawrence Berkeley National Laboratory — Queued Up interconnection dataset. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.
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