IP-662
1,000 MW hybrid in Power, ID · In queue since June 2022 · Proposed COD December 2025
1,000 MW
Capacity
1
Components
Solar
3y 11m
In Queue
IA Executed
IA Status
Signed Feb 2024
Queue → IA
1y 8m
IA → COD
1y 10m
Total Duration
1y 8m
Interconnection request submitted to ISO/RTO
Project undergoes interconnection studies to assess grid impact.
Typical: 18–36 months
Interconnection agreement executed — binding commitment to build
Typical: 30–60 days (negotiation)
Construction pending
Typical: 18–30 months
Proposed COD: 2025-12-31
The proposed IP-662 project is a 1000 MW solar and battery hybrid development in Power County, Idaho. Developed by Sawtooth DevCo, LLC, the project consists of 1000 MW of solar generation paired with battery storage. Interconnection is with Idaho Power Company via the Borah 345kV Substation.
IP-662 entered the IP interconnection queue on June 16, 2022, with a proposed commercial operation date of December 31, 2025. The project's interconnection agreement was executed on February 1, 2024, and its current status is listed as suspended.
Generated from interconnection queue and public data sources
State
ID
County
Power
Grid Region
Mountain West
Market
—
Developer
Sawtooth DevCo, LLC
Utility
Idaho Power Company
Entity
IP
Service Type
—
Point of Interconnection
Borah 345kV Substation
Data Source
LBNL
- ISO / RTO
- MOUNTAIN_WEST
- Trading Hub
- MID-C
- Hub Confidence
- UNKNOWN
This project's market context is estimated from its Point of Interconnection. Hub and node assignments are approximate and based on geographic inference from the POI substation name.
