LADWP-Q44
450 MW hybrid in Millard, UT · In queue since September 2013 · Proposed COD December 2018
450 MW
Capacity
2
Components
Solar + Battery
12y 8m
In Queue
Operational
IA Status
COD target: 2018
Total Duration
5y 3m
Schedule
89 months past proposed COD
Interconnection request submitted to ISO/RTO
Project undergoes interconnection studies to assess grid impact.
Typical: 18–36 months
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2018-12-31
The LADWP-Q44 development project is a proposed 450 MW hybrid solar and battery energy storage project located in Millard County, Utah. The project, developed by Intermountain Power Agency, consists of a 300 MW solar array coupled with a 150 MW battery. Interconnecting to the Los Angeles Department of Water and Power (LADWP) grid at the IPP 345kV Switchyard, the project entered the LADWP interconnection queue on September 4, 2013, with a proposed commercial operation date of December 31, 2018. The project's interconnection agreement (IA) status is listed as Operational.
The LADWP-Q44 project has been featured in recent news coverage related to grid infrastructure.
Generated from interconnection queue and public data sources
State
UT
County
Millard
Grid Region
Mountain West
Market
—
Developer
Intermountain Power Agency
Utility
Los Angeles Department of Water and Power
Entity
LADWP
Service Type
—
Point of Interconnection
IPP 345kV Switchyard
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.
Last updated 2026-04-09
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