HARMONY STORAGE 2 (1892)
HARMONY STORAGE 2 is a 300.0 MW battery interconnection project in Contra Costa, California with a current status of active. It is proposed to connect at Contra Costa PP 230 kV .
300.0 MWCapacity
ActiveStatus
GBAMarket
BatteryTechnology
Project facts
| Canonical name | HARMONY STORAGE 2 |
|---|---|
| Queue ID | 1892 |
| Status | active |
| Source status | ACTIVE |
| Market | GBA |
| Technology | Battery |
| Capacity | 300.0 MW |
| State | California |
| County | Contra Costa |
| Point of interconnection | Contra Costa PP 230 kV |
| Requested (queue) date | 2021-04-15 |
| Proposed in-service date | — |
| Operational date | — |
| Withdrawn date | — |
| 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 | — | active | high |
Explore related data
Source last checked2026-08-28
Data last materially changed2026-08-28
Page data generated2026-08-28
Provenance: California ISO — public interconnection queue. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.
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