United States › Grid › Interconnection queues › Montana
SOLAR + STORAGE · WESTSolar + storage project 435, Rosebud County
Solar + storage project 435, Rosebud County is a 800 MW solar + storage request in interconnection study in the West interconnection queue, in Rosebud County, Montana, connecting to NorthWestern Energy.
- PlanningQueued Nov 2022 (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingTarget Dec 2025 (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
- 435
- Grid region
- West (non-ISO utilities)
- Utility / transmission owner
- NorthWestern Energy
- Connection point (POI)
- Colstrip 500kV Substation
- Location
- Rosebud County, Montana
- Technology
- Solar: 800 MW · Battery
- Total requested
- 800 MW
- Service type
- NRIS and ERIS
- Study phase
- Feasibility Study 2/13/2023 System Impact Study 8/15/2023 Facilities Study 7/26/2024
- Queue status
- Active
- Entered queue
- 4 November 2022
- Proposed online date
- December 2025
Location
Marker shows the centre of Rosebud County; the queue data does not give exact sites.
Other requests in Rosebud County
- Onshore wind project 356, Rosebud CountyOnshore wind · 750 MW · in study
- Onshore wind project 357, Rosebud CountyOnshore wind · 750 MW · in study
- Onshore wind project 407, Rosebud CountyOnshore wind · 300 MW · in study
- Onshore wind project 406, Rosebud CountyOnshore wind · 300 MW · in study
- Onshore wind project 366, Rosebud CountyOnshore wind · 600 MW · suspended
- Onshore wind project 367, Rosebud CountyOnshore wind · 400 MW · suspended
- Solar project 405, Rosebud CountySolar · 300 MW · suspended
- Onshore wind project 234, Rosebud CountyOnshore wind · 750 MW · built
- Coal project 439, Rosebud CountyCoal · 40.5 MW · built
- Coal project 20, Rosebud CountyCoal · 500 MW · withdrawn
- Wind + storage project 369, Rosebud CountyWind + storage · 500 MW · withdrawn
- Onshore wind project GEN-2022-097, Rosebud CountyOnshore wind · 400 MW · withdrawn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