IP-639
150 MW storage in Ada, ID · In queue since February 2022 · Proposed COD June 2025
150 MW
Capacity
1
Components
Battery
4y 3m
In Queue
IA Executed
IA Status
Signed May 2023
Queue → IA
1y 3m
IA → COD
2y 1m
Total Duration
1y 3m
Schedule
11 months past proposed COD
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)
Project under construction
Typical: 6–18 months
Proposed COD: 2025-06-01
IP-639 is a proposed 150 MW battery storage project located in Ada County, Idaho. The project is being developed by Idaho Power Company_x0014_Power Supply and is interconnected with Idaho Power Company. It entered the utility's interconnection queue on February 7, 2022, with a proposed commercial operation date of June 1, 2025.
The project's Interconnection Agreement (IA) was executed on May 12, 2023. The point of interconnection is the Boise Bench Substation at 138kV. The project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
State
ID
County
Ada
Grid Region
Mountain West
Market
—
Developer
Idaho Power Company_x0014_Power Supply
Utility
Idaho Power Company
Entity
IP
Service Type
—
Point of Interconnection
Boise Bench Substation 138kV
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.
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