HARMONY STORAGE 1 (1891)
HARMONY STORAGE 1 is a 160.0 MW battery interconnection project in Contra Costa, California with a current status of withdrawn. It is proposed to connect at Fibreboard tap 115 kV.
160.0 MWCapacity
WithdrawnStatus
—Market
BatteryTechnology
Project facts
| Canonical name | HARMONY STORAGE 1 |
|---|---|
| Queue ID | 1891 |
| Status | withdrawn |
| Source status | WITHDRAWN |
| Market | — |
| Technology | Battery |
| Capacity | 160.0 MW |
| State | California |
| County | Contra Costa |
| Point of interconnection | Fibreboard tap 115 kV |
| Requested (queue) date | 2021-04-15 |
| Proposed in-service date | — |
| Operational date | — |
| Withdrawn date | 2022-12-14 |
| Developer | — |
| Utility / transmission owner | PGAE |
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
| Observed | Field | Old value | New value | Materiality |
|---|---|---|---|---|
| 2026-07-29 | new_project | — | withdrawn | high |
Explore related data
Source last checked2026-08-27
Data last materially changed2026-08-27
Page data generated2026-08-27
Provenance: California ISO — public interconnection queue. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.
Follow this project and get an alert when its status, capacity, developer, or schedule changes.
Start tracking with interXdata