IP-557
40 MW hybrid in Elmore, ID · In queue since April 2019 · Proposed COD December 2023
40 MW
Capacity
1
Components
Solar
7y 1m
In Queue
IA Executed
IA Status
Signed Aug 2021
Queue → IA
2y 4m
IA → COD
2y 4m
Total Duration
2y 4m
Schedule
29 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: 2023-12-01
IP-557 is a proposed 40 MW solar and battery hybrid project located in Elmore County, Idaho. The project, being developed by Black Mesa Interconnection, LLC, consists of 40 MW of solar generation. It is interconnected to the Idaho Power Company grid at the Black Mesa 138kV Substation.
The project is listed in the IP (Idaho Power) interconnection queue with an entry date of April 3, 2019, and a proposed commercial operation date of December 1, 2023. An Interconnection Agreement (IA) for the project was executed on August 27, 2021. The project's interconnection status is currently listed as active.
Generated from interconnection queue and public data sources
State
ID
County
Elmore
Grid Region
Mountain West
Market
—
Developer
Black Mesa Interconnection, LLC
Utility
Idaho Power Company
Entity
IP
Service Type
—
Point of Interconnection
Black Mesa 138kV 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.
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