IP-633
200 MW storage in Jerome, ID · In queue since January 2022 · Proposed COD December 2025
200 MW
Capacity
1
Components
Battery
4y 4m
In Queue
IA Executed
IA Status
Signed Feb 2023
Queue → IA
1y 1m
IA → COD
2y 10m
Total Duration
1y 1m
Schedule
4 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: 2025-12-31
IP-633 is a proposed 200 MW battery storage project located in Jerome County, Idaho. The developer is NextEra Energy Resources Interconnection Holdings, LLC, and the interconnecting utility is Idaho Power Company. This project is listed in the IP interconnection queue with an entry date of January 14, 2022, and a proposed commercial operation date of December 31, 2025. The project's interconnection agreement was executed on February 6, 2023. The point of interconnection is the Hunt 230kV Substation.
The proposed project has been the subject of recent news coverage, with three articles categorized as industry, regulatory, and deals.
Generated from interconnection queue and public data sources
State
ID
County
Jerome
Grid Region
Mountain West
Market
—
Developer
NextEra Energy Resources Interconnection Holdings, LLC
Utility
Idaho Power Company
Entity
IP
Service Type
—
Point of Interconnection
Hunt 230kV 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.
Last updated 2026-03-26
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