United States › Grid › Interconnection queues › Idaho
BATTERY STORAGE · WESTBattery storage project T2-074, Owyhee County
Battery storage project T2-074, Owyhee County is a 175 MW battery storage request in interconnection study in the West interconnection queue, in Owyhee County, Idaho, connecting to PacifiCorp.
Queue statusIn planning
- PlanningQueued Sep 2025 (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingTarget Dec 2027 (not yet reached)
- Closed (not yet reached)
Studies assess what grid upgrades the project would need and who pays for them. A signed interconnection agreement is the main step before construction.
Request details
- Queue ID
- T2-074
- Grid region
- West (non-ISO utilities)
- Utility / transmission owner
- PacifiCorp
- Connection point (POI)
- Hemingway substation
- Location
- Owyhee County, Idaho
- Technology
- Battery: 175 MW
- Total requested
- 175 MW
- Service type
- Network resource (NRIS)
- Queue status
- Active
- Entered queue
- 12 September 2025
- Proposed online date
- December 2027
Location
Marker shows the centre of Owyhee County; the queue data does not give exact sites.
Other requests in Owyhee County
- Battery storage project 696, Owyhee CountyBattery storage · 330 MW · agreement signed
- Battery storage project 632, Owyhee CountyBattery storage · 300 MW · agreement signed
- Battery storage project 634, Owyhee CountyBattery storage · 13.0 MW · agreement signed
- Battery storage project T2-073, Owyhee CountyBattery storage · 175 MW · in study
- Solar + storage project 660, Owyhee CountySolar + storage · 1,650 MW · suspended
- Battery storage project 629, Owyhee CountyBattery storage · 85.0 MW · built
- Battery storage project 619, Owyhee CountyBattery storage · 80.0 MW · built
- Solar project 426, Owyhee CountySolar · 20.0 MW · built
- Battery storage project C4-019, Owyhee CountyBattery storage · 540 MW · withdrawn
- Wind + storage project 726, Owyhee CountyWind + storage · 529 MW · withdrawn
- Wind + storage project 714, Owyhee CountyWind + storage · 330 MW · withdrawn
- Onshore wind project 314, Owyhee CountyOnshore wind · 300 MW · withdrawn
Source: Lawrence Berkeley National Laboratory, Queued Up, data through end of 2025, compiled from ISO/RTO and utility queues. Check the grid operator's own queue for the latest status. Report a problem