IP-607
300 MW hybrid in Sweetwater, WY · In queue since June 2021 · Proposed COD June 2025
300 MW
Capacity
1
Components
Solar
4y 11m
In Queue
IA Executed
IA Status
Signed May 2023
Queue → IA
1y 11m
IA → COD
2y 1m
Total Duration
1y 11m
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: 18–30 months
Proposed COD: 2025-06-01
The proposed IP-607 development project is a 300 MW solar and battery hybrid project located in Sweetwater County, Wyoming. The project, being developed by NextEra Energy Resources Interconnection Holdings, LLC, is in the Idaho Power Company (IP) interconnection queue, having entered on June 28, 2021. The proposed commercial operation date is June 1, 2025.
The project's interconnection agreement (IA) was executed on May 9, 2023, and the project is currently listed as active in the queue. The point of interconnection (POI) is the JBRG 345kV Substation. The project consists of 300 MW of solar generation capacity. The technology detail also lists wind and battery, but no wind or battery capacity is specified.
Generated from interconnection queue and public data sources
State
WY
County
Sweetwater
Grid Region
Mountain West
Market
—
Developer
NextEra Energy Resources Interconnection Holdings, LLC
Utility
Idaho Power Company
Entity
IP
Service Type
—
Point of Interconnection
JBRG 345kV Substation
Data Source
LBNL
- ISO / RTO
- MOUNTAIN_WEST
- Trading Hub
- FOURCORNERS
- 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.