United States › Grid › Interconnection queues › Washington
SOLAR + STORAGE · WESTSolar + storage project CS25-09, Adams County
Solar + storage project CS25-09, Adams County is a 375 MW solar + storage request in interconnection study in the West interconnection queue, in Adams County, Washington, connecting to Avista Utilities.
- PlanningQueued Apr 2025 (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingTarget May 2030 (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
- CS25-09
- Grid region
- West (non-ISO utilities)
- Utility / transmission owner
- Avista Utilities
- Connection point (POI)
- Saddle Mountain - Wanapum 230kV
- Location
- Adams County, Washington
- Technology
- Solar: 375 MW · Battery
- Total requested
- 375 MW
- Service type
- NRIS and ERIS
- Study phase
- Request Status: Phase One Restudy #2; Phase One Cluster Study: Complete; Phase One Re-Study: In Progress
- Queue status
- Active
- Entered queue
- 29 April 2025
- Proposed online date
- May 2030
Location
Marker shows the centre of Adams County; the queue data does not give exact sites.
Power plants in Washington · Transmission lines in Washington
Other requests in Adams County
- Solar + storage project 59, Adams CountySolar + storage · 60.0 MW · agreement signed
- Solar project CS24-07, Adams CountySolar · 2.0 MW · agreement signed
- Solar project CS24-01, Adams CountySolar · 1.0 MW · agreement signed
- Solar + storage project G0745, Adams CountySolar + storage · 200 MW · in study
- Solar project 73, Adams CountySolar · 100 MW · in study
- Solar project 81, Adams CountySolar · 94.0 MW · in study
- Solar project 67, Adams CountySolar · 80.0 MW · in study
- Solar project 85, Adams CountySolar · 5.0 MW · in study
- Solar project G1003, Adams CountySolar · 3.0 MW · in study
- Solar + storage project TCS-03, Adams CountySolar + storage · 80.0 MW · suspended
- Solar + storage project Q59, Adams CountySolar + storage · 60.0 MW · suspended
- Onshore wind project 49, Adams CountyOnshore wind · 144 MW · built
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