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SOLAR · WESTSolar project 405, Rosebud County
Solar project 405, Rosebud County is a 300 MW solar request suspended in the West interconnection queue, in Rosebud County, Montana, connecting to NorthWestern Energy.
Queue statusPaused / redesign
- PlanningQueued Feb 2021 (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingTarget Dec 2024 (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
- 405
- Grid region
- West (non-ISO utilities)
- Utility / transmission owner
- NorthWestern Energy
- Connection point (POI)
- Colstrip 500kV Substation
- Location
- Rosebud County, Montana
- Technology
- Solar: 300 MW
- Total requested
- 300 MW
- Service type
- Energy only (ERIS)
- Study phase
- Feasiblity Study System Impact Study Facilities Study 1/18/2023 Facilities Study 10/25/2024
- Queue status
- Suspended
- Entered queue
- 2 February 2021
- Proposed online date
- December 2024
Location
Marker shows the centre of Rosebud County; the queue data does not give exact sites.
Other requests in Rosebud County
- Solar + storage project 435, Rosebud CountySolar + storage · 800 MW · in study
- 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
- 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- Coal project 20, Rosebud CountyCoal · 500 MW · withdrawn
- Wind + storage project 369, Rosebud CountyWind + storage · 500 MW · withdrawn
- Onshore wind project GEN-2022-097, Rosebud CountyOnshore wind · 400 MW · withdrawn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