Hemmingway BESS (66325_3)
Hemmingway BESS is a 50.0 MW battery interconnection project in Owyhee, Idaho with a current status of operational.
50.0 MWCapacity
OperationalStatus
IPCOMarket
BatteryTechnology
Project facts
| Canonical name | Hemmingway BESS |
|---|---|
| Queue ID | 66325_3 |
| Status | operational |
| Source status | (OP) Operating |
| Market | IPCO |
| Technology | Battery |
| Capacity | 50.0 MW |
| State | Idaho |
| County | Owyhee |
| Point of interconnection | — |
| Requested (queue) date | — |
| Proposed in-service date | — |
| Operational date | 2026-06-01 |
| Withdrawn date | — |
| Developer | — |
| Utility / transmission owner | Idaho Power Company |
What changed
| Observed | Field | Old value | New value | Materiality |
|---|---|---|---|---|
| 2026-08-02 | new_project | — | operational | high |
Explore related data
Source last checked2026-08-03
Data last materially changed2026-08-03
Page data generated2026-08-27
Provenance: U.S. EIA — Form EIA-860M generator inventory (operating + planned). Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.
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