IP-573
300 MW hybrid in Power, ID · In queue since November 2019 · Proposed COD November 2022
300 MW
Capacity
1
Components
Solar
6y 6m
In Queue
IA Executed
IA Status
Signed Oct 2021
Queue → IA
1y 11m
IA → COD
1y 1m
Total Duration
1y 11m
Schedule
42 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: 2022-11-30
IP-573 is a proposed 300 MW solar and battery hybrid project located in Power County, Idaho. The developer is NextEra Energy Resources Interconnection Holdings, LLC, and the project is interconnected with Idaho Power Company. The project consists of 300 MW of solar capacity.
The project is listed in the IP interconnection queue with an entry date of November 2, 2019. Its proposed commercial operation date is November 30, 2022, and an Interconnection Agreement (IA) was executed on October 5, 2021. The point of interconnection is the BORA 345kV Substation. This project has been mentioned in recent industry news.
Generated from interconnection queue and public data sources
State
ID
County
Power
Grid Region
Mountain West
Market
—
Developer
NextEra Energy Resources Interconnection Holdings, LLC
Utility
Idaho Power Company
Entity
IP
Service Type
—
Point of Interconnection
BORA 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.
Last updated 2026-03-26
View all articles
