Owyhee Energy Storage, LLC (622)
Owyhee Energy Storage, LLC is a 600.0 MW battery interconnection project in Malheur, Oregon with a current status of active. It is proposed to connect at HMWY–SMLK 500kV Line.
600.0 MWCapacity
ActiveStatus
ORMarket
BatteryTechnology
Project facts
| Canonical name | Owyhee Energy Storage, LLC |
|---|---|
| Queue ID | 622 |
| Status | active |
| Source status | Construction |
| Market | OR |
| Technology | Battery |
| Capacity | 600.0 MW |
| State | Oregon |
| County | Malheur |
| Point of interconnection | HMWY–SMLK 500kV Line |
| Requested (queue) date | 2021-10-18 |
| Proposed in-service date | 2028-08-31 |
| Operational date | — |
| Withdrawn date | — |
| Developer | Owyhee Energy Storage, LLC |
| Utility / transmission owner | Idaho Power Company |
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 |
|---|---|---|---|---|
| 2026-08-03 | new_project | — | active | high |
Explore related data
Source last checked2026-08-24
Data last materially changed2026-08-24
Page data generated2026-08-27
Provenance: idahopower-oasis. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.
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